/* Reset e Variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --cor-amarelo: #FFD700;
    /* Amarelo bem escuro (quase preto) para destaques no mobile */
    --cor-amarelo-escuro: #4A3A00;
    --cor-azul: #0066FF;
    --cor-azul-escuro: #0052CC;
    --cor-primaria: #0066FF;
    --cor-secundaria: #FFD700;
    --cor-destaque: #FFC107;
    --cor-fundo: #ffffff;
    --cor-fundo-card: #f8f9fa;
    --cor-texto: #1a1a1a;
    --cor-texto-secundario: #6c757d;
    --cor-borda: #dee2e6;
    --cor-sucesso: #10b981;
    --cor-erro: #ef4444;
    --cor-aviso: #f59e0b;
    
    --fonte-principal: 'Inter', sans-serif;
    --fonte-titulo: 'Poppins', sans-serif;
    
    --sombra-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --sombra-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    
    --raio-borda: 12px;
    --transicao: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --hero-carrossel-altura: clamp(160px, 18vw, 220px);
}

html {
    scroll-behavior: smooth;
    overscroll-behavior-y: auto;
    overscroll-behavior-x: none;
    background: #010d22;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: var(--fonte-principal);
    background: linear-gradient(180deg, #ffffff 0%, #ffffff calc(100% - 220px), #030b1c 100%);
    color: var(--cor-texto);
    min-height: 100vh;
    padding-bottom: env(safe-area-inset-bottom);
    overscroll-behavior-y: auto;
    overscroll-behavior-x: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

/* Navbar Superior */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cor-borda);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.navbar-logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0;
    font-family: var(--fonte-titulo);
    flex-shrink: 0;
    cursor: pointer;
    transition: var(--transicao);
}

.navbar-logo:hover {
    opacity: 1;
    transform: none;
}

.logo-text {
    display: none;
}

.btn-menu-hamburguer {
    display: none;
    background: none;
    border: none;
    color: var(--cor-texto);
    cursor: pointer;
    padding: 0;
    transition: var(--transicao);
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    flex-shrink: 0;
}

.btn-menu-hamburguer:hover {
    color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.1);
}

.btn-menu-hamburguer.ativo {
    color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid var(--cor-azul);
}

.btn-menu-hamburguer .menu-icon-svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    display: block;
    flex-shrink: 0;
}

.logo-img {
    height: 40px;
    width: auto;
    max-width: 200px;
    border-radius: 12px;
    object-fit: contain;
    display: block;
}

.navbar-busca {
    flex: 1;
    max-width: 500px;
    position: relative;
    display: flex;
    align-items: center;
}

.busca-icone {
    position: absolute;
    right: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 1rem;
    pointer-events: all;
    cursor: pointer;
    z-index: 2;
    transition: var(--transicao);
    background: var(--cor-azul);
    padding: 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
}

.busca-icone:hover {
    background: var(--cor-azul-escuro);
    transform: translateY(-50%) scale(1.05);
}

.busca-icone.buscando {
    pointer-events: none;
}

.busca-icone.buscando i {
    display: none;
}

.busca-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
}

.busca-icone.buscando .busca-spinner {
    display: block;
}

.input-busca {
    flex: 1;
    padding: 0.75rem 8rem 0.75rem 1rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    font-size: 0.95rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    transition: var(--transicao);
    width: 100%;
}

.input-busca::placeholder {
    font-family: 'Poppins', sans-serif;
}

.microfone-icone {
    position: absolute;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cor-texto-secundario);
    font-size: 1rem;
    pointer-events: all;
    cursor: pointer;
    z-index: 3;
    transition: var(--transicao);
    background: none;
    padding: 0;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
}

.microfone-icone:hover {
    color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.1);
}

.microfone-icone.ativo {
    color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.15);
}

.microfone-icone svg {
    width: 18px;
    height: 18px;
    transition: opacity 0.3s ease;
}

.microfone-icone.ativo svg {
    opacity: 0;
}

/* Ondas sonoras animadas */
.microfone-waves {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}

.microfone-waves .wave {
    width: 3px;
    height: 12px;
    background: var(--cor-azul);
    border-radius: 2px;
    animation: wave-animation 1.2s ease-in-out infinite;
    transform-origin: center;
}

.microfone-waves .wave:nth-child(1) {
    animation-delay: 0s;
    height: 8px;
}

.microfone-waves .wave:nth-child(2) {
    animation-delay: 0.2s;
    height: 14px;
}

.microfone-waves .wave:nth-child(3) {
    animation-delay: 0.4s;
    height: 10px;
}

.microfone-waves .wave:nth-child(4) {
    animation-delay: 0.6s;
    height: 16px;
}

.microfone-waves .wave:nth-child(5) {
    animation-delay: 0.8s;
    height: 12px;
}

@keyframes wave-animation {
    0%, 100% {
        transform: scaleY(0.5);
        opacity: 0.7;
    }
    50% {
        transform: scaleY(1.5);
        opacity: 1;
    }
}

.input-busca:focus {
    outline: none;
    border-color: var(--cor-azul);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
    border-radius: var(--raio-borda);
}

.input-busca:focus ~ .busca-icone {
    background: var(--cor-azul-escuro);
    color: white;
}

.navbar-perfil {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-perfil {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    color: var(--cor-texto);
    cursor: pointer;
    transition: var(--transicao);
    text-decoration: none;
}

.btn-perfil.oculto {
    display: none !important;
}

.btn-perfil:hover {
    transform: scale(1.05);
}

.btn-minha-conta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    cursor: pointer;
    transition: var(--transicao);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
}

.btn-minha-conta.oculto {
    display: none !important;
}

.btn-minha-conta:hover {
    background: var(--cor-azul);
    border-color: var(--cor-azul);
    color: white;
}

.btn-minha-conta svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.minha-conta-texto {
    white-space: nowrap;
}

.btn-sair {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    cursor: pointer;
    transition: var(--transicao);
    margin-left: 0.5rem;
}

.btn-sair.oculto {
    display: none !important;
}

.btn-sair:hover {
    background: #dc3545;
    border-color: #dc3545;
    color: white;
}

/* Botão Acessar (quando não autenticado) */
.btn-acessar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--cor-azul);
    border: 2px solid var(--cor-azul);
    border-radius: var(--raio-borda);
    color: white;
    font-family: var(--fonte-principal);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicao);
}

.btn-acessar.oculto {
    display: none !important;
}

.btn-acessar:hover {
    background: var(--cor-azul-escuro);
    border-color: var(--cor-azul-escuro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.btn-acessar .acessar-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-acessar .acessar-texto {
    white-space: nowrap;
}

/* Classes para controlar visibilidade baseado em autenticação */
.usuario-autenticado.oculto {
    display: none !important;
}

.usuario-nao-autenticado.oculto {
    display: none !important;
}

.sair-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.circulo-progresso {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progresso-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progresso-fundo {
    transition: stroke 0.3s ease;
}

.progresso-preenchimento {
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.progresso-porcentagem {
    position: absolute;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--cor-amarelo);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1;
}

.btn-perfil:hover .progresso-porcentagem {
    color: var(--cor-azul);
}

.perfil-icone {
    font-size: 1rem;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 0;
    margin-bottom: calc(var(--hero-carrossel-altura) * 0.6);
    text-align: center;
    overflow: visible;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    box-sizing: border-box;
}

.hero-background {
    position: relative;
    width: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.05) 0%, rgba(255, 215, 0, 0.05) 100%);
    z-index: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-container {
    display: none;
}

.hero-banner {
    position: relative;
    width: 100%;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    z-index: 0;
    display: block;
}

.hero-banner-pc {
    display: block;
}

.hero-banner-mobile {
    display: none;
}

.hero-particula {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
    animation: flutuar 20s infinite ease-in-out;
    pointer-events: none;
}

.hero-particula:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    width: 80px;
    height: 80px;
}

.hero-particula:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
    width: 120px;
    height: 120px;
}

.hero-particula:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
    width: 60px;
    height: 60px;
}

.hero-particula:nth-child(4) {
    top: 30%;
    right: 30%;
    animation-delay: 6s;
    width: 100px;
    height: 100px;
}

.hero-particula:nth-child(5) {
    bottom: 10%;
    right: 10%;
    animation-delay: 8s;
    width: 90px;
    height: 90px;
}

.hero-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-icone {
    font-size: 5rem;
    color: var(--cor-amarelo);
    margin-bottom: 1.5rem;
    animation: brilhar 3s ease-in-out infinite;
}

.hero-titulo {
    font-family: var(--fonte-titulo);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--cor-texto);
    line-height: 1.2;
}

.hero-titulo .destaque {
    background: linear-gradient(135deg, var(--cor-amarelo) 0%, var(--cor-azul) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitulo {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--cor-texto-secundario);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn-cta {
    padding: 1.2rem 3rem;
    background: var(--cor-azul);
    border: none;
    border-radius: var(--raio-borda);
    color: var(--cor-amarelo);
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--fonte-titulo);
    cursor: pointer;
    transition: var(--transicao);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.4);
}

.btn-cta i {
    font-size: 1.3rem;
}

/* Carrossel de Destaques */
.hero-carrossel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: calc(var(--hero-carrossel-altura) * -0.35);
    height: var(--hero-carrossel-altura);
    overflow: hidden;
    z-index: 2;
    width: 100%;
    box-sizing: border-box;
}

.carrossel-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.5) 60%, rgba(0, 0, 0, 0.2) 80%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

.carrossel-container {
    position: relative;
    display: flex;
    gap: 1rem;
    padding: 1.5rem 4rem 2.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    scroll-padding: 0 4rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    z-index: 2;
    height: 100%;
    align-items: flex-end;
    max-width: 100%;
    box-sizing: border-box;
    justify-content: center;
}

.carrossel-container::-webkit-scrollbar {
    display: none;
}

.carrossel-card {
    flex: 0 0 300px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 12px 12px 0 0;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    border-bottom: 3px solid transparent;
    min-height: 140px;
    max-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
    align-self: center;
    scroll-snap-align: start;
    transform: scale(1);
    position: relative;
}

.carrossel-card:hover:not(.ativo) {
    background: rgba(255, 255, 255, 0.25);
    border-bottom-color: rgba(255, 255, 255, 0.4);
}

.carrossel-card.ativo:hover {
    /* Mantém apenas os outros efeitos, sem movimento */
}

.carrossel-card.ativo {
    flex: 0 0 350px;
    background: rgba(255, 255, 255, 0.25);
    border-bottom: 3px solid var(--cor-amarelo);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
    transform: scale(1.05);
    min-height: 150px;
    max-height: 150px;
    padding: 1.5rem;
    z-index: 1;
    position: relative;
}

.carrossel-card-logo {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cor-amarelo);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.carrossel-card-titulo {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.carrossel-card-descricao {
    font-size: 0.875rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
    margin-bottom: 0.75rem;
    flex: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    min-height: 2.625rem; /* Garantir altura mínima para 2 linhas */
}

.carrossel-card-link {
    font-size: 0.85rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    opacity: 0.9;
    transition: var(--transicao);
    align-self: flex-start;
    margin-top: auto;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.carrossel-card-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--cor-amarelo);
    border-radius: 2px;
    transition: var(--transicao);
}

.carrossel-link-arrow {
    width: 16px;
    height: 16px;
    display: inline-block;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    vertical-align: middle;
    align-self: center;
}

.carrossel-card-link:hover {
    opacity: 1;
    color: var(--cor-amarelo);
}

.carrossel-card-link:hover::before {
    height: 5px;
    opacity: 1;
}

.carrossel-card-link:hover .carrossel-link-arrow,
.carrossel-card-link:active .carrossel-link-arrow {
    transform: translateY(-3px) rotate(-45deg);
}

.carrossel-card.ativo .carrossel-link-arrow {
    transform: translateY(-3px) rotate(-45deg);
}

.carrossel-arrow {
    position: absolute;
    top: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: var(--transicao);
    z-index: 3;
    flex-shrink: 0;
    padding: 0;
    transform: translateY(-50%);
}

.carrossel-arrow-icon {
    width: 24px;
    height: 24px;
    display: block;
    flex-shrink: 0;
}

.carrossel-arrow-left .carrossel-arrow-icon {
    transform: rotate(180deg);
}

.carrossel-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--cor-amarelo);
    color: var(--cor-amarelo);
}

.carrossel-prev {
    left: 1rem;
}

.carrossel-next {
    right: 1rem;
}

.carrossel-pagination {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 3;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.carrossel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transicao);
    border: none;
    padding: 0;
    flex-shrink: 0;
}

.carrossel-dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

.carrossel-dot.ativo {
    background: var(--cor-amarelo);
    width: 24px;
    border-radius: 4px;
}

/* Feed de Cards */
.main-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem 1.5rem 2rem;
    -webkit-overflow-scrolling: touch;
}

.feed-titulo-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    margin-top: 0;
}

.feed-titulo-container .feed-titulo {
    flex: 1;
}

.btn-filtro-feed {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--cor-azul);
    color: white;
    border: none;
    border-radius: var(--raio-borda);
    font-family: var(--fonte-titulo);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-filtro-feed:hover {
    background: var(--cor-azul-escuro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.btn-filtro-feed:active {
    transform: translateY(0);
}

.btn-filtro-feed svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.feed-titulo-barra {
    width: 10px;
    height: 2rem;
    border-radius: 5px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    background: var(--cor-azul);
    box-shadow: 0 2px 8px rgba(0, 102, 255, 0.2);
}

.feed-titulo-barra::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -1px;
    width: calc(100% + 2px);
    height: 42%;
    background: var(--cor-amarelo);
    border-radius: 0 0 5px 5px;
    clip-path: ellipse(180% 140% at 50% 0%);
}

.feed-titulo {
    font-family: var(--fonte-titulo);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--cor-texto);
    margin: 0;
    flex: 1;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .feed-titulo-container {
        gap: 0.5rem;
        margin-bottom: 1.25rem;
    }
    
    .feed-titulo-barra {
        width: 8px;
        height: 1.75rem;
        border-radius: 4px;
    }
    
    .feed-titulo-barra::after {
        height: 42%;
        clip-path: ellipse(180% 140% at 50% 0%);
    }
    
    .feed-titulo {
        font-size: 1.5rem;
        line-height: 1.2;
    }
}

/* Aumentar largura máxima no desktop para acomodar 3 colunas */
@media (min-width: 1025px) {
    .main-content {
        max-width: 1400px;
    }
}

.feed-container,
#feed-explorar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Grid para desktop - 3 colunas */
@media (min-width: 1025px) {
    .feed-container,
    #feed-explorar {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
        justify-items: stretch;
    }
    
    /* Garantir que mensagem vazia ocupe todas as colunas e fique centralizada */
    .feed-container .mensagem-vazia,
    #feed-explorar .mensagem-vazia {
        grid-column: 1 / -1;
        justify-self: center;
        align-self: center;
        width: 100%;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        position: relative;
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* Ajustes para cards no grid */
    .feed-container .card,
    #feed-explorar .card {
        display: flex;
        flex-direction: column;
        min-width: 0; /* Permite que o card encolha no grid */
        height: 100%; /* Garante que todos os cards tenham a mesma altura */
    }
    
    .feed-container .card-conteudo,
    #feed-explorar .card-conteudo {
        flex: 1; /* Permite que o conteúdo ocupe o espaço disponível */
    }
    
    .feed-container .card-botoes,
    #feed-explorar .card-botoes {
        flex-wrap: nowrap; /* Mantém os botões em uma linha */
        gap: 0.5rem;
        margin-top: 1rem; /* Espaçamento antes dos botões */
    }
    
    .feed-container .btn-card,
    #feed-explorar .btn-card {
        flex: 1 1 0; /* Distribui igualmente o espaço */
        min-width: 80px; /* Largura mínima para os botões */
        padding: 0.625rem 0.5rem;
        font-size: 0.8rem;
        white-space: nowrap; /* Evita quebra de texto nos botões */
    }
    
    .feed-container .btn-card i,
    #feed-explorar .btn-card i {
        font-size: 0.9rem;
    }
    
    .feed-container .card-titulo,
    #feed-explorar .card-titulo {
        font-size: 1.3rem;
        line-height: 1.3;
    }
    
    .feed-container .card-resumo,
    #feed-explorar .card-resumo {
        font-size: 0.9rem;
    }
    
    .feed-container .card-conteudo,
    #feed-explorar .card-conteudo {
        font-size: 0.875rem;
        padding: 0.875rem;
        line-height: 1.6;
    }
    
    .feed-container .card-bullets,
    #feed-explorar .card-bullets {
        margin-top: 1rem;
        padding-top: 1rem;
    }
    
    .feed-container .card-bullets h4,
    #feed-explorar .card-bullets h4 {
        font-size: 0.9rem;
        margin-bottom: 0.75rem;
    }
    
    .feed-container .card-bullets li,
    #feed-explorar .card-bullets li {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
        line-height: 1.5;
    }
    
    .feed-container .card-ilustracao,
    #feed-explorar .card-ilustracao {
        width: 70px;
        height: 70px;
    }
    
    .feed-container .card-ilustracao i,
    #feed-explorar .card-ilustracao i {
        font-size: 2rem;
    }
}

@media (min-width: 1025px) {
    #feed-explorar {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 1.75rem;
    }
}

/* Card */
.card {
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    padding: 1.5rem;
    transition: var(--transicao);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.card:hover {
    border-color: var(--cor-azul);
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 1rem;
    order: 1;
}

.card-emoji {
    font-size: 2.5rem;
    line-height: 1;
}

.card-ilustracao {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
    border-radius: var(--raio-borda);
    margin-bottom: 1rem;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.card-imagem {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--raio-borda);
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.card-icone-fallback {
    font-size: 2.5rem;
    color: var(--cor-amarelo);
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.card-ilustracao:has(.card-imagem[style*="display: none"]) .card-icone-fallback {
    display: flex;
}

/* Fallback para navegadores que não suportam :has() */
.card-imagem[style*="display: none"] ~ .card-icone-fallback {
    display: flex !important;
}

.card-ilustracao i:not(.card-icone-fallback) {
    font-size: 2.5rem;
    color: var(--cor-amarelo);
}

.card-titulo-container {
    flex: 1;
}

.card-titulo {
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--cor-texto);
}

.card-resumo {
    font-size: 0.95rem;
    color: var(--cor-texto-secundario);
    line-height: 1.5;
}

.card-conteudo {
    margin: 1.5rem 0;
    padding: 1rem;
    background: rgba(0, 102, 255, 0.05);
    border-radius: calc(var(--raio-borda) - 4px);
    border-left: 3px solid var(--cor-azul);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--cor-texto);
    order: 2;
}

.card-bullets {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cor-borda);
}

.card-bullets h4 {
    margin-bottom: 1rem;
    color: var(--cor-azul);
    font-size: 1rem;
    font-weight: 600;
}

.card-bullets ul {
    list-style: none;
    padding: 0;
}

.card-bullets li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
}

.card-bullets li i {
    position: absolute;
    left: 0;
    color: var(--cor-azul);
    font-size: 0.8rem;
    top: 0.3rem;
}

.card-botoes {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    order: 3;
}

.btn-card {
    flex: 1;
    min-width: 120px;
    padding: 0.75rem 1rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: calc(var(--raio-borda) - 4px);
    color: var(--cor-texto);
    font-family: var(--fonte-titulo);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-card:hover {
    background: var(--cor-azul);
    color: white;
    border-color: var(--cor-azul);
    transform: scale(1.05);
}

.btn-card.ativo {
    background: var(--cor-azul);
    border-color: var(--cor-azul);
}

.btn-card.ouvir.ativo {
    background: var(--cor-amarelo);
    border-color: var(--cor-amarelo);
    color: var(--cor-fundo);
}

.btn-card i {
    font-size: 1rem;
}

.btn-card svg {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.btn-card .icone-ouvir-img,
.btn-card .icone-ouvir-pause {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    display: inline-block;
}

.btn-card .icone-ouvir-img {
    object-fit: contain;
}

/* Barra Inferior (Mobile) */
.navbar-inferior {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--cor-borda);
    display: none;
    z-index: 1000;
    padding: 0.5rem 0;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.navbar-inferior.visivel {
    display: flex;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: var(--cor-texto-secundario);
    cursor: pointer;
    transition: var(--transicao);
    font-size: 0.75rem;
    text-decoration: none;
}

/* Navbar Lateral (Desktop) */
.navbar-lateral {
    position: fixed;
    left: -300px;
    top: 0;
    bottom: 0;
    width: 300px;
    background: var(--cor-fundo);
    border-right: 1px solid var(--cor-borda);
    z-index: 1500;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.navbar-lateral.ativo {
    left: 0;
}

.navbar-lateral-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--cor-borda);
}

.navbar-lateral-header h3 {
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cor-texto);
    margin: 0;
}

.btn-fechar-lateral {
    background: none;
    border: none;
    color: var(--cor-texto-secundario);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.btn-fechar-lateral:hover {
    background: var(--cor-fundo-card);
    color: var(--cor-texto);
}

.navbar-lateral-links {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-lateral-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--cor-texto-secundario);
    text-decoration: none;
    transition: var(--transicao);
    border-left: 3px solid transparent;
    border-radius: var(--raio-borda);
    margin: 0 0.5rem;
}

.nav-lateral-item:hover {
    background: var(--cor-fundo-card);
    color: var(--cor-azul);
    border-left-color: var(--cor-azul);
}

.nav-lateral-item.active {
    background: rgba(0, 102, 255, 0.1);
    color: var(--cor-azul);
    border-left-color: var(--cor-azul);
}

.nav-lateral-item i,
.nav-lateral-item svg {
    font-size: 1.25rem;
    width: 24px;
    height: 24px;
    text-align: center;
    flex-shrink: 0;
}

.nav-lateral-item span {
    font-size: 1rem;
    font-weight: 500;
}

.navbar-lateral-banner {
    padding: 1rem;
    border-top: 1px solid var(--cor-borda);
    margin-top: auto;
}

.navbar-lateral-banner-link {
    display: block;
    position: relative;
    border-radius: var(--raio-borda);
    overflow: hidden;
    transition: var(--transicao);
    max-height: 180px;
}

.navbar-lateral-banner-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navbar-lateral-banner-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--raio-borda);
    max-height: 180px;
    object-fit: cover;
}

.navbar-lateral-banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6));
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 1rem;
    border-radius: var(--raio-borda);
    transition: var(--transicao);
}

.navbar-lateral-banner-link:hover .navbar-lateral-banner-overlay {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.7));
}

.navbar-lateral-banner-text {
    color: white;
    font-weight: 600;
    font-size: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    padding: 0.75rem 1.25rem;
    background: rgba(0, 102, 255, 0.9);
    border-radius: calc(var(--raio-borda) - 2px);
    transition: var(--transicao);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.navbar-lateral-banner-text svg {
    flex-shrink: 0;
    transition: var(--transicao);
}

.navbar-lateral-banner-link:hover .navbar-lateral-banner-text {
    background: rgba(0, 102, 255, 1);
    transform: scale(1.05);
}

.navbar-lateral-banner-link:hover .navbar-lateral-banner-text svg {
    transform: translateX(4px);
}

.overlay-navbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1400;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.overlay-navbar.ativo {
    display: block;
    opacity: 1;
}

.nav-item:hover,
.nav-item.active {
    color: var(--cor-primaria);
}

.nav-icone {
    font-size: 1.5rem;
    display: block;
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.ativo {
    display: flex;
}

/* Animação específica para o modal do chat (entrada/saída suave, com leve zoom) */
@keyframes modal-chat-in {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
        filter: blur(3px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@keyframes modal-chat-out {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
    to {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
        filter: blur(3px);
    }
}

/* Overlay do chat com fade + leve blur de fundo */
#modal-chat {
    transition: opacity 0.28s ease;
    opacity: 0;
    backdrop-filter: blur(0);
}

#modal-chat.ativo {
    opacity: 1;
    backdrop-filter: blur(4px);
}

/* Quando o teclado está aberto em mobile, desloca apenas o bloco do modal para cima,
   mantendo a estrutura interna (mensagens + input) na mesma proporção */
@media (max-width: 768px) {
    #modal-chat.kb-open .modal-content {
        transform: translateY(calc(-1 * var(--kb-offset, 140px)));
    }
}

#modal-chat.ativo .modal-content {
    /* abre um pouco mais devagar para sensação de suavidade */
    animation: modal-chat-in 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#modal-chat.fechando .modal-content {
    /* fecha mais rápido que abre para ficar responsivo */
    animation: modal-chat-out 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Evitar clique em elementos atrás do modal durante a animação de saída */
#modal-chat.fechando {
    pointer-events: none;
}

/* Prevenir scroll quando modal está aberto */
body.modal-aberto {
    overflow: hidden;
}

.modal-content {
    background: #ffffff;
    border-radius: var(--raio-borda);
    width: 100%;
    max-width: 600px;
    min-width: 320px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2001;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--cor-borda);
}

#modal-quiz .modal-header {
    border-bottom: none;
}

/* Modal Filtro */
.modal-filtro {
    max-width: 500px;
}

.modal-filtro-body {
    padding: 1.5rem;
}

.filtro-grupo {
    margin-bottom: 2rem;
}

.filtro-grupo h3 {
    font-family: var(--fonte-titulo);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--cor-texto);
}

.filtro-opcoes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.filtro-opcao {
    padding: 0.875rem 1rem;
    background: var(--cor-fundo-card);
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--cor-texto);
    cursor: pointer;
    transition: var(--transicao);
    text-align: left;
    width: 100%;
}

.filtro-opcao:hover {
    border-color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.05);
}

.filtro-opcao.ativo {
    background: var(--cor-azul);
    color: white;
    border-color: var(--cor-azul);
}

.filtro-acoes {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cor-borda);
}

.btn-filtro-limpar {
    flex: 1;
    padding: 0.875rem 1.5rem;
    background: transparent;
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
    font-size: 0.95rem;
}

.btn-filtro-limpar:hover {
    border-color: var(--cor-azul);
    color: var(--cor-azul);
}

.btn-filtro-aplicar {
    flex: 1;
    padding: 0.875rem 1.5rem;
    background: var(--cor-azul);
    border: none;
    border-radius: var(--raio-borda);
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
    font-size: 0.95rem;
}

.btn-filtro-aplicar:hover {
    background: var(--cor-azul-escuro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

/* Responsivo - Tablet */
@media (max-width: 1024px) and (min-width: 769px) {
    .btn-filtro-feed {
        padding: 0.625rem 0.875rem;
        font-size: 0.8rem;
    }
    
    .modal-filtro {
        max-width: 450px;
    }
}

/* Responsivo - Mobile */
@media (max-width: 768px) {
    .feed-titulo-container {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .btn-filtro-feed span {
        display: none;
    }
    
    .btn-filtro-feed {
        padding: 0.625rem;
        min-width: 44px;
        width: 44px;
        height: 44px;
        justify-content: center;
    }
    
    .btn-filtro-feed svg {
        width: 20px;
        height: 20px;
    }
    
    .modal-filtro {
        max-width: 95vw;
        margin: 1rem;
    }
    
    .modal-filtro-body {
        padding: 1.25rem;
    }
    
    .filtro-grupo {
        margin-bottom: 1.5rem;
    }
    
    .filtro-grupo h3 {
        font-size: 1rem;
        margin-bottom: 0.875rem;
    }
    
    .filtro-opcoes {
        gap: 0.625rem;
    }
    
    .filtro-opcao {
        padding: 0.75rem 0.875rem;
        font-size: 0.9rem;
    }
    
    .filtro-acoes {
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 1.5rem;
        padding-top: 1.25rem;
    }
    
    .btn-filtro-limpar,
    .btn-filtro-aplicar {
        width: 100%;
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
    }
    
    #modal-filtro-feed .modal-header {
        padding: 1rem 1.25rem;
    }
    
    #modal-filtro-feed .modal-header h2 {
        font-size: 1.2rem;
    }
}

.modal-header h2 {
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    font-weight: 600;
}

#modal-chat .modal-header h2 {
    font-size: 1.2rem;
}

.btn-fechar {
    background: none;
    border: none;
    color: var(--cor-texto-secundario);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transicao);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-fechar:hover {
    color: var(--cor-texto);
    transform: rotate(90deg);
}

/* Chat */
.chat-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: visible;
    padding: 1.5rem;
    padding-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-height: 400px;
    max-height: 500px;
}

.mensagem {
    padding: 1rem;
    border-radius: 18px;
    max-width: 85%;
    min-width: 120px;
    line-height: 1.6;
    position: relative;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    box-sizing: border-box;
    margin-bottom: 2.5rem;
    overflow: visible;
}

.mensagem.usuario {
    align-self: flex-end;
    background: var(--cor-primaria);
    color: white;
    border-bottom-right-radius: 6px;
    overflow: visible;
}

.mensagem.usuario .mensagem-texto {
    align-self: flex-end;
}

/* Referência à mensagem respondida (estilo WhatsApp) */
.mensagem-referencia {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.15);
    border-left: 3px solid rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    font-size: 0.8rem;
    max-width: 100%;
    overflow: hidden;
}

.mensagem-referencia-linha {
    width: 3px;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    flex-shrink: 0;
}

.mensagem-referencia-texto {
    flex: 1;
    color: rgba(255, 255, 255, 0.9);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
    font-weight: 500;
}

/* Ajustes para mobile */
@media (max-width: 768px) {
    .mensagem-referencia {
        padding: 0.4rem;
        font-size: 0.75rem;
        margin-bottom: 0.4rem;
    }
    
    .mensagem-referencia-linha {
        width: 2.5px;
    }
    
    .mensagem-referencia-texto {
        font-size: 0.75rem;
    }
}

.mensagem.usuario::after {
    content: '';
    position: absolute;
    bottom: 12px;
    right: -8px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 0 8px 8px;
    border-color: transparent transparent transparent var(--cor-primaria);
}

.mensagem.ia {
    align-self: flex-start;
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-bottom-left-radius: 6px;
    flex-direction: row;
    overflow: visible;
}

.mensagem.ia .mensagem-conteudo {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.5rem;
    position: relative;
}

.mensagem.ia .mensagem-texto {
    position: relative;
    z-index: 1;
}

/* Shimmer effect durante digitação */
.mensagem.ia.digitando .mensagem-texto {
    position: relative;
}

/* Efeito shimmer sutil no fundo durante digitação */
.mensagem.ia.digitando .mensagem-conteudo {
    position: relative;
    overflow: hidden;
}

.mensagem.ia.digitando .mensagem-conteudo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 102, 255, 0.08),
        transparent
    );
    animation: shimmer 2s infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Skeleton loader completo (enquanto carrega) */
.mensagem-skeleton {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 18px;
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-bottom-left-radius: 6px;
    max-width: 85%;
    min-width: 120px;
    margin-bottom: 0.5rem;
}

.mensagem-skeleton .skeleton-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(
        90deg,
        var(--cor-borda) 25%,
        rgba(0, 0, 0, 0.05) 50%,
        var(--cor-borda) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

.mensagem-skeleton .skeleton-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mensagem-skeleton .skeleton-line {
    height: 1rem;
    border-radius: 4px;
    background: linear-gradient(
        90deg,
        var(--cor-borda) 25%,
        rgba(0, 0, 0, 0.05) 50%,
        var(--cor-borda) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

.mensagem-skeleton .skeleton-line:nth-child(1) {
    width: 100%;
}

.mensagem-skeleton .skeleton-line:nth-child(2) {
    width: 85%;
}

.mensagem-skeleton .skeleton-line:nth-child(3) {
    width: 70%;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Animação de typing - palavras aparecendo gradualmente */
.mensagem.ia .mensagem-texto .palavra {
    opacity: 0;
    animation: fadeInWord 0.3s ease-in forwards;
}

@keyframes fadeInWord {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Spinner estilo Hero UI para mensagens da IA */
.mensagem.ia.digitando .mensagem-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-left: 0.5rem;
    vertical-align: middle;
    animation: spin 1s linear infinite;
    flex-shrink: 0;
}

.mensagem.ia:not(.digitando) .mensagem-spinner {
    display: none;
}

.mensagem.ia.digitando .mensagem-spinner svg {
    width: 24px;
    height: 24px;
    display: block;
}

/* Garantir que o gradiente seja aplicado */
.mensagem.ia.digitando .mensagem-spinner svg path[fill="url(#gradiente-spinner)"] {
    fill: url(#gradiente-spinner);
}

/* Fallback caso o gradiente não funcione */
.mensagem.ia.digitando .mensagem-spinner svg path {
    fill: var(--cor-azul);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.mensagem.ia::before {
    content: '';
    position: absolute;
    bottom: 12px;
    left: -8px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 8px 8px 0;
    border-color: transparent var(--cor-fundo-card) transparent transparent;
}

.mensagem.ia::after {
    content: '';
    position: absolute;
    bottom: 12px;
    left: -9px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 8px 8px 0;
    border-color: transparent var(--cor-borda) transparent transparent;
    z-index: -1;
}

/* Avatar da IA */
.mensagem-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cor-azul) 0%, var(--cor-amarelo) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 4px;
}

.mensagem-avatar svg {
    width: 20px;
    height: 20px;
    color: white;
}

.mensagem-texto {
    flex: 1;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    min-width: 0;
    overflow: hidden;
    white-space: pre-wrap;
    line-height: 1.6;
}

/* Botões de ação das mensagens */
.mensagem-botoes {
    display: flex !important;
    gap: 0.5rem;
    align-items: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
    position: absolute;
    bottom: -36px;
    z-index: 10;
    margin-top: 0.5rem;
    background: transparent;
    visibility: visible;
}

.mensagem:hover .mensagem-botoes,
.mensagem.usuario:hover .mensagem-botoes,
.mensagem.ia:hover .mensagem-botoes {
    opacity: 1 !important;
    pointer-events: auto !important;
    visibility: visible !important;
    display: flex !important;
}

/* Garantir que botões apareçam no hover mesmo em dispositivos touch */
@media (hover: hover) and (pointer: fine) {
    .mensagem:hover .mensagem-botoes {
        opacity: 1 !important;
        pointer-events: auto !important;
        visibility: visible !important;
    }
}

.mensagem.ia .mensagem-botoes {
    left: 0;
    justify-content: flex-start;
}

.mensagem.usuario .mensagem-botoes {
    right: 0;
    justify-content: flex-end;
}

/* No mobile, botões sempre visíveis e fora do balão */
@media (max-width: 768px) {
    /* Reduzir tamanhos do modal do chat no mobile */
    #modal-chat .modal-content {
        max-width: 100%;
        margin: 0.5rem;
        max-height: 95vh;
    }

    #modal-chat .modal-header {
        padding: 1rem;
    }

    #modal-chat .modal-header h2 {
        font-size: 1rem;
    }

    #modal-chat .modal-header h2 svg {
        width: 18px;
        height: 18px;
    }

    #modal-chat .btn-fechar {
        width: 28px;
        height: 28px;
        font-size: 1.5rem;
    }

    #modal-chat .chat-container {
        padding: 1rem;
        padding-bottom: 2rem;
        min-height: 250px;
        max-height: 350px;
    }

    #modal-chat .mensagem {
        padding: 0.75rem;
        font-size: 0.85rem;
        max-width: 90%;
        min-width: 100px;
        line-height: 1.5;
    }

    #modal-chat .mensagem-texto {
        font-size: 0.85rem;
    }

    #modal-chat .chat-input-container {
        padding: 1rem;
        gap: 0.375rem;
    }

    #modal-chat .chat-input {
        padding: 0.625rem 0.875rem;
        font-size: 0.85rem;
    }

    #modal-chat .btn-enviar,
    #modal-chat .btn-emoji,
    #modal-chat .btn-upload {
        width: 40px;
        height: 40px;
        padding: 0.5rem;
        min-width: 40px;
    }

    #modal-chat .btn-enviar svg,
    #modal-chat .btn-emoji svg,
    #modal-chat .btn-upload svg {
        width: 18px;
        height: 18px;
    }

    #modal-chat .upload-dropdown {
        min-width: 180px;
        bottom: calc(100% + 0.375rem);
    }

    #modal-chat .upload-option {
        padding: 0.75rem 0.875rem;
        font-size: 0.875rem;
        gap: 0.625rem;
    }

    #modal-chat .upload-option svg {
        width: 20px;
        height: 20px;
    }

    #modal-chat .mensagem-avatar {
        width: 28px;
        height: 28px;
    }

    #modal-chat .mensagem-avatar svg {
        width: 16px;
        height: 16px;
    }

    #modal-chat .btn-mensagem {
        width: 24px;
        height: 24px;
        padding: 0.25rem;
    }

    #modal-chat .btn-responder {
        min-width: 50px !important;
        padding: 0.4rem 0.6rem !important;
    }

    #modal-chat .btn-mensagem svg {
        width: 12px;
        height: 12px;
    }

    #modal-chat .btn-responder svg {
        width: 12px !important;
        height: 12px !important;
    }

    .mensagem-botoes {
        opacity: 1 !important;
        pointer-events: auto !important;
        position: absolute !important;
        bottom: -36px !important;
        margin-top: 0 !important;
        visibility: visible !important;
        display: flex !important;
    }
    
    .mensagem {
        margin-bottom: 2.5rem !important;
        overflow: visible !important;
    }
    
    .mensagem.usuario {
        overflow: visible !important;
    }
    
    .mensagem.ia {
        overflow: visible !important;
    }
    
    .chat-container {
        overflow-y: auto;
        overflow-x: visible;
        padding-bottom: 3rem;
    }
}

/* Ajustes para laptops e PCs pequenos (telas médias) */
@media (min-width: 769px) and (max-width: 1024px) {
    #modal-chat .chat-input-container {
        padding: 1rem 1.25rem;
        gap: 0.4rem;
    }

    #modal-chat .chat-input {
        padding: 0.7rem 0.875rem;
        font-size: 0.9rem;
        min-width: 120px;
    }

    #modal-chat .btn-enviar,
    #modal-chat .btn-emoji,
    #modal-chat .btn-upload {
        width: 44px;
        height: 44px;
        padding: 0.625rem;
        min-width: 44px;
    }

    #modal-chat .btn-enviar svg,
    #modal-chat .btn-emoji svg,
    #modal-chat .btn-upload svg {
        width: 20px;
        height: 20px;
    }

    #modal-chat .modal-content {
        max-width: 550px;
    }

    #modal-chat .chat-container {
        padding: 1.25rem;
    }
}

/* Ajustes adicionais para telas muito pequenas de laptops (769px - 900px) */
@media (min-width: 769px) and (max-width: 900px) {
    #modal-chat .chat-input-container {
        padding: 1rem;
        gap: 0.375rem;
    }

    #modal-chat .chat-input {
        padding: 0.65rem 0.75rem;
        font-size: 0.875rem;
    }

    #modal-chat .btn-enviar,
    #modal-chat .btn-emoji,
    #modal-chat .btn-upload {
        width: 42px;
        height: 42px;
        padding: 0.5rem;
        min-width: 42px;
    }

    #modal-chat .btn-enviar svg,
    #modal-chat .btn-emoji svg,
    #modal-chat .btn-upload svg {
        width: 19px;
        height: 19px;
    }

    #modal-chat .modal-content {
        max-width: 500px;
    }
}

.btn-mensagem {
    background: transparent;
    border: 1px solid var(--cor-borda);
    border-radius: 6px;
    padding: 0.375rem;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--cor-texto-secundario);
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
}

.btn-mensagem:hover {
    background: var(--cor-fundo-card);
    border-color: var(--cor-azul);
    color: var(--cor-azul);
    transform: translateY(-1px);
}

.btn-mensagem svg {
    width: 14px;
    height: 14px;
}

.btn-mensagem.copiado {
    background: var(--cor-sucesso);
    border-color: var(--cor-sucesso);
    color: white;
}

/* Botão Responder - Estilo da imagem de referência (dark input) */
.btn-responder {
    background: #2a2a2a !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 8px !important;
    color: rgba(255, 255, 255, 0.9) !important;
    width: auto !important;
    min-width: 60px !important;
    padding: 0.5rem 0.75rem !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.btn-responder:hover {
    background: #333333 !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
    color: white !important;
    transform: none !important;
}

.btn-responder:active {
    background: #3a3a3a !important;
}

.btn-responder svg {
    width: 14px !important;
    height: 14px !important;
    margin: 0 !important;
}

.mensagem.usuario .btn-mensagem {
    border-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
}

.mensagem.usuario .btn-mensagem:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
}

/* Input de edição de mensagem */
.mensagem-editar-input {
    flex: 1;
    padding: 0.5rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-azul);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    font-size: 0.95rem;
    font-family: var(--fonte-principal);
}

.mensagem.usuario .mensagem-editar-input {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

/* Ajustes responsivos para botões */
@media (max-width: 768px) {
    .btn-mensagem {
        width: 32px;
        height: 32px;
    }
    
    .btn-mensagem svg {
        width: 16px;
        height: 16px;
    }

    .btn-emoji {
        width: 40px;
        height: 40px;
        padding: 0.5rem;
    }

    .btn-emoji svg {
        width: 20px;
        height: 20px;
    }

    .emoji-picker {
        max-width: calc(100vw - 2rem);
        max-height: 250px;
        left: 0;
        right: 0;
        margin: 0 auto;
    }

    .emoji-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 0.25rem;
    }

    .emoji-item {
        font-size: 1.25rem;
        padding: 0.25rem;
    }
}

/* Ajustar posição do triângulo considerando o avatar */
.mensagem.ia::before {
    bottom: 8px;
}

.mensagem.ia::after {
    bottom: 8px;
}

.chat-input-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--cor-borda);
    position: relative;
    min-width: 0;
}

.chat-input-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: nowrap;
    min-width: 0;
}

/* Preview de arquivo antes de enviar */
.chat-preview-container {
    width: 100%;
    padding: 0.5rem;
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    margin-bottom: 0.5rem;
}

.chat-preview-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-preview-imagem {
    position: relative;
    width: 60px;
    height: 60px;
    min-width: 60px;
    min-height: 60px;
    border-radius: 6px;
    overflow: visible;
    flex-shrink: 0;
}

.chat-preview-imagem img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 6px;
}

.chat-preview-remover {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    border: 1.5px solid rgba(255, 255, 255, 0.9);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    padding: 0;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.chat-preview-remover:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.15);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.chat-preview-remover svg {
    width: 10px;
    height: 10px;
    stroke-width: 2.5;
}

.chat-preview-documento {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    background: transparent;
    border-radius: 0;
    position: relative;
    overflow: visible;
}

.chat-preview-doc-icon {
    position: relative;
    width: 50px;
    height: 50px;
    min-width: 50px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cor-primaria);
    border-radius: 6px;
    color: white;
    flex-shrink: 0;
    overflow: visible;
}

.chat-preview-documento .chat-preview-remover {
    position: absolute;
    top: -6px;
    right: -6px;
}

.chat-preview-doc-icon svg {
    width: 20px;
    height: 20px;
}

.chat-preview-doc-info {
    flex: 1;
    min-width: 0;
}

.chat-preview-doc-nome {
    color: var(--cor-texto);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-preview-doc-tamanho {
    color: var(--cor-texto-secundario);
    font-size: 0.75rem;
}

.chat-input {
    flex: 1;
    min-width: 0;
    padding: 0.75rem 1rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    font-size: 0.95rem;
}

.chat-input:focus {
    outline: none;
    border-color: var(--cor-azul);
}

.chat-input:focus {
    outline: none;
    border-color: var(--cor-primaria);
}

.chat-input:disabled {
    background: var(--cor-fundo-card);
    color: var(--cor-texto-secundario);
    cursor: not-allowed;
    opacity: 0.6;
}

.chat-input:disabled::placeholder {
    color: var(--cor-texto-secundario);
    opacity: 0.7;
}

.btn-enviar {
    padding: 0.75rem;
    background: #e0e0e0;
    border: none;
    border-radius: var(--raio-borda);
    color: #9e9e9e;
    cursor: not-allowed;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-width: 48px;
    flex-shrink: 0;
}

.btn-enviar svg {
    width: 24px;
    height: 24px;
}

/* Botão de microfone no chat */
.btn-emoji {
    padding: 0.75rem;
    background: transparent;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto-secundario);
    cursor: pointer;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-width: 48px;
    flex-shrink: 0;
    position: relative;
}

.btn-emoji:hover {
    background: var(--cor-fundo-card);
    border-color: var(--cor-azul);
    color: var(--cor-azul);
}

.btn-emoji.ativo {
    color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.15);
    border-color: var(--cor-azul);
}

.btn-emoji svg {
    width: 18px;
    height: 18px;
    transition: opacity 0.3s ease;
}

.btn-emoji.ativo svg {
    opacity: 0;
}

/* Botão de upload e dropdown */
.chat-upload-wrapper {
    position: relative;
    flex-shrink: 0;
}

.btn-upload {
    padding: 0.75rem;
    background: transparent;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto-secundario);
    cursor: pointer;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-width: 48px;
    flex-shrink: 0;
}

.btn-upload:hover {
    background: var(--cor-fundo-card);
    border-color: var(--cor-azul);
    color: var(--cor-azul);
}

.btn-upload svg {
    width: 24px;
    height: 24px;
}

.upload-dropdown {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 0;
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 1000;
    overflow: hidden;
}

.upload-dropdown.ativo {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.upload-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1rem;
    background: transparent;
    border: none;
    color: var(--cor-texto);
    cursor: pointer;
    transition: var(--transicao);
    text-align: left;
    font-size: 0.95rem;
    font-family: var(--fonte-titulo);
}

.upload-option:hover {
    background: var(--cor-fundo);
}

.upload-option:active {
    background: var(--cor-fundo-card);
}

.upload-option svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--cor-texto-secundario);
}

.upload-option#upload-qrcode svg {
    width: 24px;
    height: 24px;
}

.upload-option:hover svg {
    color: var(--cor-azul);
}

/* Modal Câmera */
.modal-camera {
    max-width: 600px;
}

.modal-camera .modal-content {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-camera .modal-body {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.camera-container {
    position: relative;
    width: 100%;
    background: #000;
    border-radius: var(--raio-borda);
    overflow: hidden;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-height: 0;
}

.camera-container.preview-ativo {
    overflow: visible;
    aspect-ratio: auto;
    min-height: 300px;
    max-height: 70vh;
}

#camera-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    position: relative;
}

#camera-preview-img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
}

.camera-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    gap: 1rem;
}

.btn-camera-cancelar {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    cursor: pointer;
    font-family: var(--fonte-titulo);
    font-weight: 500;
    transition: var(--transicao);
}

.btn-camera-cancelar:hover {
    background: var(--cor-fundo-card);
    border-color: var(--cor-azul);
}

.btn-camera-capturar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--cor-primaria);
    border: 4px solid white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: var(--transicao);
    flex-shrink: 0;
}

.btn-camera-capturar:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.btn-camera-capturar svg {
    width: 32px;
    height: 32px;
}

.btn-camera-enviar {
    padding: 0.75rem 1.5rem;
    background: var(--cor-primaria);
    border: none;
    border-radius: var(--raio-borda);
    color: white;
    cursor: pointer;
    font-family: var(--fonte-titulo);
    font-weight: 600;
    transition: var(--transicao);
}

.btn-camera-enviar:hover {
    background: var(--cor-azul);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

/* Modal QR Code */
.modal-qrcode {
    max-width: 500px;
}

.qrcode-container {
    padding: 1.5rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

#qrcode-canvas {
    background: white;
    padding: 0.75rem;
    border-radius: var(--raio-borda);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.qrcode-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
    max-width: 200px;
}

.qrcode-instructions {
    text-align: left;
    color: var(--cor-texto-secundario);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.btn-copiar-link {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    padding: 0.75rem 1rem !important;
    background: var(--cor-primaria) !important;
    border: none !important;
    border-radius: var(--raio-borda) !important;
    color: white !important;
    cursor: pointer !important;
    font-family: var(--fonte-titulo) !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    transition: var(--transicao) !important;
    width: 100% !important;
}

.btn-copiar-link:hover {
    background: var(--cor-azul) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3) !important;
}

.btn-copiar-link.copiado {
    background: #4caf50 !important;
}

.btn-copiar-link svg {
    width: 16px !important;
    height: 16px !important;
    flex-shrink: 0 !important;
}

/* Mensagens com arquivos */
.mensagem-conteudo-arquivo {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mensagem-conteudo-arquivo .mensagem-texto {
    margin-top: 0.25rem;
    color: white;
    font-size: 0.95rem;
    line-height: 1.5;
}

.mensagem-imagem-container {
    width: 80px;
    height: 80px;
    min-width: 80px;
    min-height: 80px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.mensagem-imagem {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: transform 0.2s;
}

.mensagem-imagem:hover {
    transform: scale(1.05);
}

.mensagem-documento-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mensagem-documento-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    flex-shrink: 0;
    color: white;
}

.mensagem-documento-icon svg {
    width: 24px;
    height: 24px;
}

.mensagem-documento-info {
    flex: 1;
    min-width: 0;
}

.mensagem-documento-nome {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mensagem-documento-tamanho {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
}

/* Interface de recepção QR Code */
.qrcode-recepcao-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--cor-fundo);
}

.qrcode-recepcao-content {
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.qrcode-recepcao-content h2 {
    margin: 0 0 1rem 0;
    color: var(--cor-texto);
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
}

.qrcode-recepcao-content > p {
    color: var(--cor-texto-secundario);
    margin-bottom: 2rem;
}

.qrcode-recepcao-botoes {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-recepcao-camera,
.btn-recepcao-importar {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.75rem !important;
    padding: 1rem 1.5rem !important;
    background: var(--cor-primaria) !important;
    border: none !important;
    border-radius: var(--raio-borda) !important;
    color: white !important;
    cursor: pointer !important;
    font-family: var(--fonte-titulo) !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    transition: var(--transicao) !important;
}

.btn-recepcao-camera:hover,
.btn-recepcao-importar:hover {
    background: var(--cor-azul) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3) !important;
}

.btn-recepcao-camera svg,
.btn-recepcao-importar svg {
    width: 24px !important;
    height: 24px !important;
    flex-shrink: 0 !important;
}

#camera-recepcao-container {
    margin-bottom: 1.5rem;
    border-radius: var(--raio-borda);
    overflow: hidden;
    background: #000;
}

.qrcode-recepcao-sucesso {
    text-align: center;
    padding: 2rem 0;
}

.qrcode-recepcao-sucesso svg {
    color: #4caf50;
    margin-bottom: 1rem;
}

.qrcode-recepcao-sucesso h2 {
    color: var(--cor-texto);
    margin-bottom: 0.5rem;
}

.qrcode-recepcao-sucesso p {
    color: var(--cor-texto-secundario);
    margin: 0;
}

/* Responsivo para câmera e QR code */
@media (max-width: 768px) {
    .modal-camera {
        max-width: calc(100% - 2rem);
        margin: 1rem;
    }
    
    .modal-camera .modal-content {
        border-radius: var(--raio-borda);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        max-height: calc(100vh - 2rem);
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .modal-camera .modal-header {
        flex-shrink: 0;
        border-radius: var(--raio-borda) var(--raio-borda) 0 0;
        padding: 1rem;
    }
    
    .modal-qrcode {
        max-width: calc(100% - 2rem);
        margin: 1rem;
    }
    
    .modal-qrcode .modal-content {
        border-radius: var(--raio-borda);
    }

    .camera-container {
        border-radius: 0;
        aspect-ratio: 4/3;
        width: 100%;
        max-width: 100%;
        min-height: 0;
        flex-shrink: 0;
        flex-grow: 0;
    }

    .camera-controls {
        padding: 1rem;
        flex-shrink: 0;
        border-radius: 0 0 var(--raio-borda) var(--raio-borda);
    }

    .btn-camera-capturar {
        width: 56px;
        height: 56px;
    }

    .qrcode-container {
        padding: 1.5rem;
        flex-direction: column;
        gap: 1rem;
    }

    #qrcode-canvas {
        padding: 0.75rem;
    }
    
    .qrcode-info {
        max-width: 100%;
        align-items: center;
    }
    
    .qrcode-instructions {
        text-align: center;
        max-width: 100%;
    }
    
    .btn-copiar-link {
        width: 100%;
        max-width: 250px;
    }

    .mensagem-imagem-container {
        width: 70px;
        height: 70px;
        min-width: 70px;
        min-height: 70px;
    }
    
    .chat-preview-imagem {
        width: 50px;
        height: 50px;
        min-width: 50px;
        min-height: 50px;
    }
    
    .chat-preview-doc-icon {
        width: 45px;
        height: 45px;
        min-width: 45px;
        min-height: 45px;
    }
}

.upload-option span {
    flex: 1;
}

/* Ondas sonoras animadas para microfone do chat */
.btn-emoji .microfone-waves {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}

.btn-emoji .microfone-waves .wave {
    width: 3px;
    height: 12px;
    background: var(--cor-azul);
    border-radius: 2px;
    animation: wave-animation 1.2s ease-in-out infinite;
}

.btn-emoji .microfone-waves .wave:nth-child(1) { animation-delay: 0s; }
.btn-emoji .microfone-waves .wave:nth-child(2) { animation-delay: 0.1s; }
.btn-emoji .microfone-waves .wave:nth-child(3) { animation-delay: 0.2s; }
.btn-emoji .microfone-waves .wave:nth-child(4) { animation-delay: 0.3s; }
.btn-emoji .microfone-waves .wave:nth-child(5) { animation-delay: 0.4s; }

/* Seletor de emojis */
.emoji-picker {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 0;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    z-index: 1000;
    max-width: 300px;
    max-height: 300px;
    overflow-y: auto;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.5rem;
}

.emoji-item {
    background: transparent;
    border: none;
    border-radius: var(--raio-borda);
    padding: 0.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
}

.emoji-item:hover {
    background: var(--cor-fundo-card);
    transform: scale(1.2);
}

.btn-enviar:not(:disabled) {
    background: var(--cor-primaria);
    color: white;
    cursor: pointer;
}

.btn-enviar:not(:disabled):hover {
    background: var(--cor-secundaria);
}

.btn-enviar:disabled {
    opacity: 0.6;
}

/* Botão de parar (substitui o botão de enviar quando IA está respondendo) */
.btn-enviar.btn-parar {
    background: #9ca3af !important;
    color: white !important;
    cursor: pointer !important;
    opacity: 1 !important;
    border: 1px solid rgba(0, 102, 255, 0.2) !important;
}

.btn-enviar.btn-parar:hover {
    background: #6b7280 !important;
    border-color: rgba(0, 102, 255, 0.3) !important;
    color: white !important;
    transform: scale(1.05);
}

.btn-enviar.btn-parar:active {
    transform: scale(0.95);
    background: #d1d5db !important;
}

/* Quiz */
.quiz-container {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: 60vh;
}

.pergunta-quiz {
    margin-bottom: 2rem;
}

.pergunta-titulo {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--cor-texto);
}

.opcoes-quiz {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.opcao-quiz {
    padding: 1rem;
    background: var(--cor-fundo-card);
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    cursor: pointer;
    transition: var(--transicao);
    text-align: left;
    font-size: 0.95rem;
    color: var(--cor-texto);
}

.opcao-quiz:hover {
    border-color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.1);
}

.opcao-quiz.selecionada {
    border-color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.2);
}

.opcao-quiz.correta {
    border-color: var(--cor-sucesso);
    background: rgba(16, 185, 129, 0.2);
}

.opcao-quiz.incorreta {
    border-color: var(--cor-erro);
    background: rgba(239, 68, 68, 0.2);
}

.resultado-quiz {
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--cor-borda);
}

.quiz-ilustracao {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
    width: 100%;
}

.quiz-ilustracao img {
    max-width: 250px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.pontuacao-quiz {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Modal Editar Campo */
.modal-editar-campo {
    max-width: 500px;
    width: 100%;
}

.modal-editar-body {
    padding: 1.5rem;
}

.modal-editar-botoes {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-direction: column;
}

.btn-cancelar-editar {
    width: 100%;
    padding: 0.875rem 1rem;
    background: transparent;
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    font-family: var(--fonte-principal);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-cancelar-editar:hover {
    background: var(--cor-fundo-card);
    border-color: var(--cor-texto-secundario);
}

#modal-editar-campo .auth-btn-submit {
    margin-bottom: 0;
}

#modal-editar-campo .auth-form-group {
    margin-bottom: 0;
}

#modal-editar-campo .auth-input-wrapper {
    position: relative;
}

#modal-editar-campo .auth-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cor-texto);
    font-size: 0.95rem;
    z-index: 1;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

#modal-editar-campo .auth-input-wrapper:has(.auth-input-icon) .auth-input {
    padding-left: 2.75rem;
}

/* Ajustes para mobile */
@media (max-width: 768px) {
    .modal-editar-campo {
        max-width: 90%;
        margin: 1rem;
    }
    
    .modal-editar-body {
        padding: 1.25rem;
    }
    
    .modal-editar-botoes {
        gap: 0.5rem;
        margin-top: 1.25rem;
    }
}

/* Página Trilha */
.pagina-trilha {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.titulo-pagina {
    font-family: var(--fonte-titulo);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.modulos-lista {
    display: grid;
    gap: 1.5rem;
}

/* Garantir que os cards dentro de #topicos-lista exibam imagens corretamente */
#topicos-lista .card {
    display: flex;
    flex-direction: column;
}

#topicos-lista .card-ilustracao {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
    border-radius: var(--raio-borda);
    margin-bottom: 1rem;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

#topicos-lista .card-imagem {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--raio-borda);
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

#topicos-lista .card-icone-fallback {
    font-size: 2.5rem;
    color: var(--cor-amarelo);
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

#topicos-lista .card-ilustracao:has(.card-imagem[style*="display: none"]) .card-icone-fallback {
    display: flex;
}

#topicos-lista .card-imagem[style*="display: none"] ~ .card-icone-fallback {
    display: flex !important;
}

.modulo-card {
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    padding: 2rem;
    cursor: pointer;
    transition: var(--transicao);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.modulo-card:hover {
    border-color: var(--cor-azul);
}

.modulo-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.modulo-ilustracao {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
    border-radius: var(--raio-borda);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.modulo-imagem {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--raio-borda);
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

.modulo-icone-fallback {
    font-size: 3rem;
    color: var(--cor-amarelo);
    display: none;
    z-index: 1;
}

.modulo-icone {
    font-size: 3rem;
    color: var(--cor-amarelo);
    display: none;
}

.modulo-header-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.modulo-titulo {
    font-family: var(--fonte-titulo);
    font-size: 1.75rem;
    font-weight: 600;
}

.modulo-descricao {
    color: var(--cor-texto-secundario);
    line-height: 1.6;
    margin: 0;
}

.modulo-progresso {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.barra-progresso {
    flex: 1;
    height: 8px;
    background: var(--cor-borda);
    border-radius: 4px;
    overflow: hidden;
}

.barra-progresso-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cor-primaria) 0%, var(--cor-destaque) 100%);
    transition: width 0.3s ease;
}

/* Página Perfil */
.pagina-perfil {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.perfil-header {
    text-align: center;
    margin-bottom: 2rem;
}

.perfil-avatar-container {
    position: relative;
    display: inline-block;
    margin: 0 auto 1rem;
}

.perfil-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cor-azul) 0%, var(--cor-amarelo) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    overflow: hidden;
    position: relative;
}

.perfil-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.perfil-avatar svg {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.perfil-avatar-editar {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--cor-azul);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transicao);
    border: 3px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

.perfil-avatar-editar:hover {
    background: var(--cor-azul-escuro);
    transform: scale(1.1);
}

.perfil-avatar-editar svg {
    width: 18px;
    height: 18px;
}

.perfil-avatar-remover {
    position: absolute;
    top: 0;
    right: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--cor-erro);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transicao);
    border: 3px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 2;
    border: none;
    padding: 0;
}

.perfil-avatar-remover:hover {
    background: #dc2626;
    transform: scale(1.1);
}

.perfil-avatar-remover svg {
    width: 18px;
    height: 18px;
}

/* Mostrar botão de remover ao hover do container ou quando há foto */
.perfil-avatar-container:hover .perfil-avatar-remover,
.perfil-avatar-container.tem-foto .perfil-avatar-remover {
    display: flex;
}

.perfil-nome-container,
.perfil-email-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.perfil-nome-container {
    margin-bottom: 0.5rem;
}

.perfil-email-container {
    margin-bottom: 0;
}

.perfil-nome {
    font-family: var(--fonte-titulo);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.perfil-email {
    color: var(--cor-texto-secundario);
    margin: 0;
}

.perfil-btn-editar {
    background: transparent;
    border: 1px solid var(--cor-borda);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-texto-secundario);
    transition: var(--transicao);
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.perfil-btn-editar:hover {
    background: var(--cor-fundo-card);
    border-color: var(--cor-azul);
    color: var(--cor-azul);
    transform: translateY(-1px);
}

.perfil-btn-editar svg {
    width: 18px;
    height: 18px;
}

/* Ajustes para mobile */
@media (max-width: 768px) {
    .perfil-nome-container,
    .perfil-email-container {
        gap: 0.4rem;
    }
    
    .perfil-nome {
        font-size: 1.5rem;
    }
    
    .perfil-email {
        font-size: 0.9rem;
    }
    
    .perfil-btn-editar {
        width: 32px;
        height: 32px;
        padding: 0.4rem;
    }
    
    .perfil-btn-editar svg {
        width: 16px;
        height: 16px;
    }
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    justify-items: center;
    position: relative;
    z-index: 1;
}

/* Ajustes para mobile */
@media (max-width: 768px) {
    .pagina-perfil {
        padding: 1.5rem 0.5rem !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
        padding: 0;
        margin: 0 auto 1rem;
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .stat-card {
        max-width: 100% !important;
        min-width: 0 !important;
        width: 100% !important;
        padding: 0.5rem 0.3rem !important;
        box-sizing: border-box;
        margin: 0;
    }
    
    .stat-circulo-progresso {
        width: 32px !important;
        height: 32px !important;
    }
    
    .stat-progresso-porcentagem {
        font-size: 0.45rem !important;
    }
    
    .stat-valor {
        font-size: 1rem !important;
        margin: 0.1rem 0 !important;
    }
    
    .stat-label {
        font-size: 0.6rem !important;
        line-height: 1.1 !important;
    }
    
    .stat-progresso-container {
        margin-bottom: 0.1rem !important;
    }
    
    .stat-card {
        gap: 0.25rem !important;
    }
    
    .stat-progresso-svg {
        width: 32px !important;
        height: 32px !important;
    }
}

/* No PC, manter todos os cards na mesma linha */
@media (min-width: 769px) {
    .stats-container {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
        justify-items: stretch;
        align-items: stretch;
    }
    
    .stat-card {
        max-width: none;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
    }
}

.stat-card {
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 220px;
    min-width: 180px;
}

.stat-progresso-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.stat-circulo-progresso {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-progresso-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.stat-progresso-fundo {
    transition: stroke 0.3s ease;
}

.stat-progresso-preenchimento {
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-progresso-porcentagem {
    position: absolute;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--cor-amarelo);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1;
    z-index: 2;
    pointer-events: none;
    text-align: center;
    white-space: nowrap;
}

/* Cores dinâmicas para porcentagem baseadas na cor do círculo */
.stat-card:nth-child(1) .stat-progresso-porcentagem {
    color: #ffc107; /* Amarelo para Progresso */
}

.stat-card:nth-child(2) .stat-progresso-porcentagem {
    color: #0066ff; /* Azul para Dias Consecutivos */
}

.stat-card:nth-child(3) .stat-progresso-porcentagem {
    color: #10b981; /* Verde para Tópicos Completos */
}

.stat-card:nth-child(4) .stat-progresso-porcentagem {
    color: #8b5cf6; /* Roxo para Módulos Completos */
}

.stat-valor {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cor-azul);
    margin: 0;
}

.stat-label {
    color: var(--cor-texto-secundario);
    font-size: 0.9rem;
    margin: 0;
}

/* Seção de Segurança */
.seguranca-container {
    margin-top: 2rem;
    position: relative;
    z-index: 10;
}

.seguranca-titulo {
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    z-index: 10;
}

.seguranca-lista {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.seguranca-item {
    background: var(--cor-fundo-card);
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transicao);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.seguranca-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.seguranca-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.seguranca-icone {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cor-fundo);
    border-radius: var(--raio-borda);
    flex-shrink: 0;
}

.seguranca-icone svg {
    width: 24px;
    height: 24px;
    color: var(--cor-texto);
}

.seguranca-detalhes {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.seguranca-nome {
    font-weight: 600;
    font-size: 1rem;
    color: var(--cor-texto);
}

.seguranca-status {
    font-size: 0.875rem;
    color: var(--cor-texto-secundario);
}

.seguranca-status.vinculado {
    color: var(--cor-sucesso);
    font-weight: 500;
}

.seguranca-acao {
    display: flex;
    align-items: center;
}

.btn-alterar-senha {
    padding: 0.5rem 1rem;
    background: var(--cor-azul);
    color: white;
    border: none;
    border-radius: var(--raio-borda);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
}

.btn-alterar-senha:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 102, 255, 0.3);
}

/* Modal de Alterar Senha */
.modal-alterar-senha {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10001;
}

.modal-alterar-senha-content {
    max-width: 500px;
    width: 90%;
    background: var(--cor-fundo-card);
    border-radius: var(--raio-borda);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    transform: scale(0.9);
    opacity: 0;
    transition: all 0.3s ease-out;
}

.modal-alterar-senha.ativo .modal-alterar-senha-content {
    transform: scale(1);
    opacity: 1;
}

.modal-alterar-senha-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--cor-borda);
}

.modal-alterar-senha-header h3 {
    margin: 0;
    font-family: var(--fonte-titulo);
    font-size: 1.25rem;
    color: var(--cor-texto);
}

.btn-fechar-modal {
    background: none;
    border: none;
    color: var(--cor-texto-secundario);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: var(--transicao);
    width: 32px;
    height: 32px;
}

.btn-fechar-modal:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--cor-texto);
}

.form-alterar-senha {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--cor-texto);
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    font-size: 0.9375rem;
    color: var(--cor-texto);
    background: var(--cor-fundo);
    transition: var(--transicao);
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--cor-azul);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.erro-mensagem {
    display: block;
    color: #ef4444;
    font-size: 0.8125rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}

.btn-cancelar,
.btn-salvar {
    padding: 0.625rem 1.25rem;
    border-radius: var(--raio-borda);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
    border: none;
}

.btn-cancelar {
    background: transparent;
    color: var(--cor-texto-secundario);
    border: 1px solid var(--cor-borda);
}

.btn-cancelar:hover {
    background: var(--cor-fundo-card);
    color: var(--cor-texto);
    border-color: var(--cor-texto-secundario);
}

.btn-salvar {
    background: var(--cor-azul);
    color: white;
}

.btn-salvar:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 102, 255, 0.3);
}

.btn-salvar:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Mobile */
@media (max-width: 768px) {
    .seguranca-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .seguranca-info {
        width: 100%;
    }

    .seguranca-acao {
        width: 100%;
    }

    .btn-alterar-senha {
        width: 100%;
        justify-content: center;
    }

    .modal-alterar-senha-content {
        width: 95%;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .btn-cancelar,
    .btn-salvar {
        width: 100%;
    }
}

/* Seção de Conexões */
.conexoes-container {
    margin-top: 2rem;
    position: relative;
    z-index: 10;
}

.conexoes-titulo {
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    z-index: 10;
}

.conexoes-lista {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.conexao-item {
    background: var(--cor-fundo-card);
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transicao);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.conexao-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.conexao-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.conexao-icone {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cor-fundo);
    border-radius: var(--raio-borda);
    flex-shrink: 0;
}

.conexao-icone svg {
    width: 24px;
    height: 24px;
    color: var(--cor-texto);
}

.conexao-detalhes {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.conexao-nome {
    font-weight: 600;
    font-size: 1rem;
    color: var(--cor-texto);
}

.conexao-status {
    font-size: 0.875rem;
    color: var(--cor-texto-secundario);
}

.conexao-status.vinculado {
    color: var(--cor-sucesso);
    font-weight: 500;
}

.conexao-acao {
    display: flex;
    align-items: center;
}

.btn-conectar-google {
    padding: 0.5rem 1rem;
    background: var(--cor-azul);
    color: white;
    border: none;
    border-radius: var(--raio-borda);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
}

.btn-conectar-google:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 102, 255, 0.3);
}

.btn-desvincular-google {
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--cor-texto-secundario);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
}

.btn-desvincular-google:hover {
    background: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
    color: #dc3545;
    transform: translateY(-1px);
}

.btn-desvincular-google:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Ajustes para mobile */
@media (max-width: 768px) {
    .conexao-item {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .conexao-info {
        width: 100%;
    }

    .conexao-acao {
        width: 100%;
    }

    .btn-conectar-google,
    .btn-desvincular-google {
        width: 100%;
        justify-content: center;
    }
}

.badges-container {
    margin-top: 2rem;
    position: relative;
    z-index: 10;
}

.badges-titulo {
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    z-index: 10;
}

.badges-lista {
    display: flex;
    flex-wrap: nowrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    overflow-x: auto;
    padding: 0.5rem 0;
    -webkit-overflow-scrolling: touch;
    position: relative;
    z-index: 10;
    min-height: 150px;
}

/* Estado vazio de badges */
.badges-empty-state {
    width: 100% !important;
    max-width: 500px;
    margin: 0 auto;
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Quando a lista contém apenas o estado vazio */
.badges-lista:empty,
.badges-lista .badges-empty-state {
    justify-content: center;
    align-items: center;
}

.badges-lista::-webkit-scrollbar {
    height: 6px;
}

.badges-lista::-webkit-scrollbar-track {
    background: var(--cor-fundo-card);
    border-radius: 3px;
}

.badges-lista::-webkit-scrollbar-thumb {
    background: var(--cor-borda);
    border-radius: 3px;
}

.badges-lista::-webkit-scrollbar-thumb:hover {
    background: var(--cor-azul);
}

.badge {
    background: var(--cor-fundo-card);
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    padding: 1.25rem 1.75rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transicao);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
    min-width: fit-content;
    position: relative;
    z-index: 10;
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    z-index: 15;
}

.badge.conquistada {
    border-color: var(--cor-sucesso);
    background: rgba(16, 185, 129, 0.1);
}

.badge-ilustracao {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(255, 215, 0, 0.1) 100%);
    border-radius: var(--raio-borda);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.badge-imagem {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--raio-borda);
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.badge-icone-fallback {
    font-size: 2.5rem;
    color: var(--cor-amarelo);
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.badge-icone {
    display: none;
}

.badge-ilustracao:has(.badge-imagem[style*="display: none"]) .badge-icone-fallback {
    display: flex;
}

/* Fallback para navegadores que não suportam :has() */
.badge-imagem[style*="display: none"] ~ .badge-icone-fallback {
    display: flex !important;
}

.badge-texto {
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
}

/* Ajustes para mobile */
@media (max-width: 768px) {
    .badges-lista {
        gap: 0.75rem;
        justify-content: flex-start;
        padding: 0.5rem 0;
    }
    
    .badge {
        padding: 1rem 1.25rem;
        gap: 0.75rem;
    }
    
    .badge-ilustracao {
        width: 50px;
        height: 50px;
    }
    
    .badge-icone-fallback {
        font-size: 2rem;
    }
    
    .badge-texto {
        font-size: 0.9rem;
    }
}

/* Container de ações do perfil */
.perfil-acoes-container {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--cor-borda);
    text-align: center;
}

.btn-deletar-conta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    background: transparent;
    border: 2px solid var(--cor-erro);
    border-radius: var(--raio-borda);
    color: var(--cor-erro);
    font-family: var(--fonte-principal);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicao);
}

.btn-deletar-conta:hover {
    background: var(--cor-erro);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-deletar-conta:active {
    transform: translateY(0);
}

.btn-deletar-conta svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Ajustes para mobile */
@media (max-width: 768px) {
    .perfil-acoes-container {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }
    
    .btn-deletar-conta {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        gap: 0.5rem;
    }
    
    .btn-deletar-conta svg {
        width: 18px;
        height: 18px;
    }
}

/* Página Explorar */
.pagina-explorar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.filtros-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filtro-btn {
    padding: 0.75rem 1.5rem;
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    color: var(--cor-texto);
    cursor: pointer;
    transition: var(--transicao);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.filtro-btn svg {
    flex-shrink: 0;
}

.filtro-btn:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--cor-azul);
}

.filtro-btn.ativo {
    background: var(--cor-azul);
    border-color: var(--cor-azul);
    color: white;
}

/* Loading */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 1rem;
    min-height: 300px;
    color: var(--cor-texto-secundario);
    width: 100%;
}

.loading p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.loading svg {
    color: var(--cor-texto-secundario);
    animation: pulse-icon 2s ease-in-out infinite;
}

/* Mensagem vazia - estilo para quando não há resultados */
.mensagem-vazia {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 1rem;
    min-height: 400px;
    width: 100%;
    margin: 0 auto;
    justify-self: center;
    align-self: center;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.mensagem-vazia-icone {
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
    opacity: 0.6;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mensagem-vazia-icone svg {
    width: 100%;
    height: 100%;
    color: var(--cor-texto-secundario);
    animation: pulse-icon 2s ease-in-out infinite;
}

.mensagem-vazia-titulo {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    margin-top: 0;
    font-weight: 600;
    color: var(--cor-texto);
}

.mensagem-vazia-subtitulo {
    font-size: 0.95rem;
    max-width: 400px;
    margin: 0;
    color: var(--cor-texto-secundario);
    line-height: 1.5;
}

@keyframes pulse-icon {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* Rodapé */
.site-footer {
    background: linear-gradient(135deg, #050505 0%, #0c1b3a 60%, #001f4d 100%);
    color: #f8f9fa;
    margin-top: 4rem;
    padding: 3rem 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.site-footer::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60px;
    background: linear-gradient(135deg, #050505 0%, #0c1b3a 60%, #001f4d 100%);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    align-items: flex-start;
}

.footer-logo {
    display: flex;
    gap: 0.85rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-bottom: 1rem;
}

.footer-logo img {
    display: block;
    max-width: 100%;
    height: auto;
}

@media (min-width: 1025px) {
    .footer-container {
        grid-template-columns: 1.25fr 1fr 1fr 1fr;
        align-items: start;
        column-gap: 2.5rem;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        text-align: left;
        margin-top: -0.9rem;
    }

    .footer-links,
    .footer-modulos,
    .footer-newsletter {
        margin-top: -0.5rem;
    }
}

.footer-logo img {
    height: 48px;
    width: auto;
    max-width: 200px;
    min-width: 120px;
    border-radius: 0;
    object-fit: contain;
    object-position: left;
    background: none;
    padding: 0;
    display: block;
}

.footer-legenda {
    margin-top: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-align: left;
}

.footer-descricao {
    margin-top: 0.35rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    text-align: left;
    max-width: 360px;
    line-height: 1.6;
    text-transform: none;
}

.site-footer h4 {
    font-family: var(--fonte-titulo);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--cor-secundaria);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    position: relative;
    padding-bottom: 0.15rem;
    padding-right: 1.25rem;
}

.footer-link::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--cor-secundaria);
    border-radius: 999px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.footer-link:hover {
    color: var(--cor-secundaria);
}

.footer-link:hover::before {
    transform: scaleX(1);
}

.footer-link.sem-barra::before,
.footer-link.sem-barra:hover::before {
    display: none;
}

.footer-newsletter p,
.footer-modulos p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0.75rem;
}

.footer-modulos ul {
    list-style: none;
    padding: 0;
    margin: 0 0 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.footer-contatos {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.footer-contatos .contato {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-contatos .contato i {
    font-size: 0.95rem;
}

.link-seta::after {
    content: '';
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cg fill='none'%3E%3Cpath fill='white' d='M4 11.25a.75.75 0 0 0 0 1.5zm0 1.5h16v-1.5H4z' opacity='0.5'/%3E%3Cpath stroke='white' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m14 6l6 6l-6 6'/%3E%3C/g%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    display: inline-block;
    transform: rotate(-45deg);
    transition: transform 0.2s ease;
    position: absolute;
    top: 2px;
    right: 0.2rem;
}

.link-seta:hover::after {
    transform: translateX(2px) rotate(-45deg);
}

.footer-modulos .footer-link {
    font-size: 0.87rem;
    line-height: 1.35;
}

.footer-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-form input {
    flex: 1;
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
    border: none;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.footer-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Poppins', sans-serif;
}

.footer-form button {
    padding: 0.7rem 1.2rem;
    border: none;
    border-radius: 10px;
    background: var(--cor-secundaria);
    color: #1a1a1a;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: background 0.2s ease;
    white-space: nowrap;
}

.footer-form button:hover {
    background: var(--cor-secundaria);
}

.footer-feedback {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 0.5rem;
    min-height: 1rem;
}

.footer-feedback.sucesso {
    color: var(--cor-secundaria);
}

.footer-feedback.erro {
    color: var(--cor-erro);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: background 0.2s ease, transform 0.2s ease;
    text-decoration: none;
}

.footer-social a:hover {
    background: var(--cor-secundaria);
    color: #1a1a1a;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 1rem 0 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    position: relative;
    z-index: 1;
}

.footer-metadados {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.footer-metadados a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-metadados a:hover {
    color: var(--cor-secundaria);
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--cor-fundo-card);
}

::-webkit-scrollbar-thumb {
    background: var(--cor-borda);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cor-azul);
}

/* ============================================
   PÁGINA DE AUTENTICAÇÃO (LOGIN/REGISTRO)
   ============================================ */

.pagina-autenticacao {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.03) 0%, rgba(255, 215, 0, 0.03) 100%);
}

.auth-container {
    width: 100%;
    max-width: 450px;
    background: var(--cor-fundo);
    border-radius: var(--raio-borda);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
    animation: fadeInUp 0.4s ease-out;
}

/* Container mais expandido para formulário de esqueci senha */
.auth-container.esqueci-senha-expandido {
    max-width: 550px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.auth-logo-img {
    height: 50px;
    width: auto;
}

.auth-titulo {
    font-family: var(--fonte-titulo);
    font-size: 2rem;
    font-weight: 700;
    color: var(--cor-texto);
    margin-bottom: 0.5rem;
}

.auth-subtitulo {
    color: var(--cor-texto-secundario);
    font-size: 0.95rem;
}

.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--cor-fundo-card);
    padding: 0.25rem;
    border-radius: var(--raio-borda);
}

.auth-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: calc(var(--raio-borda) - 2px);
    color: var(--cor-texto-secundario);
    font-family: var(--fonte-principal);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transicao);
}

.auth-tab:hover {
    color: var(--cor-texto);
    background: rgba(0, 102, 255, 0.05);
}

.auth-tab.ativo {
    background: var(--cor-fundo);
    color: var(--cor-azul);
    box-shadow: 0 2px 8px rgba(0, 0, 102, 0.1);
}

.auth-tab-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: block;
}

.auth-tab svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: block;
}

.auth-tab i {
    font-size: 0.9rem;
}

.auth-form {
    display: none;
}

.auth-form.ativo {
    display: block;
}

.auth-form-group {
    margin-bottom: 1.25rem;
}

.auth-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--cor-texto);
    margin-bottom: 0.5rem;
}

.auth-label i {
    color: var(--cor-azul);
    font-size: 0.85rem;
}

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cor-texto);
    font-size: 0.95rem;
    z-index: 1;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.auth-input {
    width: 100%;
    padding: 0.875rem 1rem;
    padding-left: 2.75rem;
    padding-right: 2.75rem;
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    font-family: var(--fonte-principal);
    font-size: 0.95rem;
    color: var(--cor-texto);
    background: var(--cor-fundo);
    transition: var(--transicao);
}

.auth-input:focus {
    outline: none;
    border-color: var(--cor-azul);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.auth-input::placeholder {
    color: var(--cor-texto-secundario);
}

.auth-toggle-password {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--cor-texto-secundario);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transicao);
}

.auth-toggle-password:hover {
    color: var(--cor-azul);
}

.eye-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: block;
}

.eye-open {
    display: block;
}

.eye-closed {
    display: none;
}

.auth-help {
    display: block;
    font-size: 0.8rem;
    color: var(--cor-texto-secundario);
    margin-top: 0.25rem;
}

.auth-error {
    display: block;
    font-size: 0.8rem;
    color: var(--cor-erro);
    margin-top: 0.25rem;
    min-height: 1.2rem;
}

.auth-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.auth-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--cor-texto);
    cursor: pointer;
    user-select: none;
    position: relative;
}

.auth-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Checkbox customizada */
.auth-checkbox input[type="checkbox"] + span {
    position: relative;
    display: inline-block;
    line-height: 1.5;
    flex: 1;
    padding-left: 28px;
    min-height: 20px;
}

.auth-checkbox input[type="checkbox"] + span::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--cor-borda);
    border-radius: 6px;
    background: var(--cor-fundo);
    transition: var(--transicao);
    cursor: pointer;
    flex-shrink: 0;
    box-sizing: border-box;
}

.auth-checkbox:hover input[type="checkbox"] + span::before {
    border-color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.05);
}

.auth-checkbox input[type="checkbox"]:checked + span::before {
    background: var(--cor-azul);
    border-color: var(--cor-azul);
}

/* Ícone de check */
.auth-checkbox input[type="checkbox"]:checked + span::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    display: block;
    z-index: 1;
}

/* Foco acessibilidade */
.auth-checkbox input[type="checkbox"]:focus + span::before {
    outline: 2px solid var(--cor-azul);
    outline-offset: 2px;
}

.auth-link {
    color: var(--cor-azul);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transicao);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.auth-link:hover {
    color: var(--cor-azul-escuro);
    text-decoration: underline;
}

.auth-link-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: block;
}

.auth-link-inline {
    color: var(--cor-azul);
    text-decoration: none;
    font-weight: 500;
}

.auth-link-inline:hover {
    text-decoration: underline;
}

.auth-btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--cor-azul);
    color: white;
    border: none;
    border-radius: var(--raio-borda);
    font-family: var(--fonte-principal);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

/* Reduzir espaçamento do botão de esqueci senha */
#form-esqueci-senha .auth-form-group {
    margin-bottom: 0.25rem;
}

#btn-esqueci-submit {
    margin-top: -0.25rem;
}

.auth-btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.auth-btn-submit svg {
    display: block !important;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    visibility: visible !important;
    opacity: 1 !important;
}

.auth-btn-submit svg g,
.auth-btn-submit svg path {
    stroke: white !important;
    fill: none;
}

.auth-btn-submit:hover:not(:disabled) {
    background: var(--cor-azul-escuro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.auth-btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.auth-btn-submit:disabled {
    opacity: 1;
    cursor: not-allowed;
    background: var(--cor-borda) !important;
    transform: none !important;
    box-shadow: none !important;
    color: var(--cor-texto-secundario) !important;
}

.auth-btn-submit:disabled .auth-btn-text {
    opacity: 1;
    color: var(--cor-texto-secundario) !important;
}

.auth-btn-submit:disabled:hover {
    background: var(--cor-borda) !important;
    transform: none !important;
    box-shadow: none !important;
    color: var(--cor-texto-secundario) !important;
}

.auth-btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -9px;
    margin-left: -9px;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.auth-btn-submit.carregando .auth-btn-text {
    opacity: 0;
}

.auth-btn-submit.carregando .auth-btn-icon {
    opacity: 0;
}

/* Garantir que o ícone apareça quando não estiver carregando */
.auth-btn-submit:not(.carregando) .auth-btn-icon {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
}

.auth-btn-submit.carregando .auth-btn-spinner {
    display: block;
}

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--cor-texto-secundario);
    font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--cor-borda);
}

.auth-divider span {
    padding: 0 1rem;
}

.auth-btn-social {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--cor-fundo);
    color: var(--cor-texto);
    border: 2px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    font-family: var(--fonte-principal);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.auth-btn-social:hover {
    border-color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.05);
    transform: translateY(-2px);
}

.auth-btn-social i {
    font-size: 1.1rem;
    color: #4285F4;
}

.google-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: block;
}

.auth-btn-social svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: block;
}

.auth-footer {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--cor-borda);
    color: var(--cor-texto-secundario);
    font-size: 0.9rem;
}

.auth-copyright {
    text-align: center;
    padding-top: 1.5rem;
    margin-top: 1rem;
    border: none;
    border-top: none;
    border-bottom: none;
    color: var(--cor-texto-secundario);
    font-size: 0.8rem;
}

.auth-copyright p {
    margin: 0;
    color: var(--cor-texto-secundario);
}

/* Remover linha do link voltar para login */
#link-voltar-login {
    text-decoration: none !important;
    border: none !important;
    border-top: none !important;
    border-bottom: none !important;
    box-shadow: none !important;
}

#link-voltar-login:hover {
    text-decoration: none !important;
    border-bottom: none !important;
}

#link-voltar-login::after,
#link-voltar-login::before {
    display: none !important;
    content: none !important;
}

/* Remover linha do container do link voltar para login */
.link-voltar-container {
    border: none !important;
    border-top: none !important;
    border-bottom: none !important;
    box-shadow: none !important;
    position: relative;
}

.link-voltar-container::before,
.link-voltar-container::after {
    display: none !important;
    content: none !important;
}

/* Remover qualquer linha após o link voltar */
#form-esqueci-senha > div:has(#link-voltar-login),
#form-esqueci-senha div[style*="margin-top: 1.5rem"] {
    border: none !important;
    border-top: none !important;
    border-bottom: none !important;
}

/* Remover linha de qualquer elemento filho */
#link-voltar-login * {
    border: none !important;
    border-bottom: none !important;
}

#link-voltar-login svg,
#link-voltar-login svg path {
    border: none !important;
    border-bottom: none !important;
}

/* Garantir que não haja linha entre o link e o copyright */
.link-voltar-container + * {
    border-top: none !important;
}

/* Remover linha do auth-footer quando está após o link voltar */
#form-esqueci-senha ~ .auth-footer {
    border-top: none !important;
}

/* Remover linha do auth-footer no formulário de esqueci senha */
#form-esqueci-senha.ativo ~ .auth-footer {
    border-top: none !important;
}

/* Remover qualquer linha antes do copyright quando vem após o link voltar */
.link-voltar-container ~ .auth-copyright {
    border-top: none !important;
}

/* Responsivo - Autenticação */
@media (max-width: 768px) {
    .auth-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }

    /* Reduzir tamanhos de textos, campos e botões no mobile */
    .auth-titulo {
        font-size: 1.5rem;
    }

    .auth-subtitulo {
        font-size: 0.85rem;
    }

    .auth-tab {
        font-size: 0.8rem;
        padding: 0.625rem 0.75rem;
    }

    .auth-tab span {
        display: none;
    }

    .auth-label {
        font-size: 0.85rem;
    }

    .auth-options {
        flex-direction: column;
        align-items: flex-start;
    }

    .auth-input-icon {
        left: 0.875rem;
        font-size: 0.85rem;
        width: 18px;
        height: 18px;
    }

    .auth-input {
        padding: 0.75rem 1rem;
        padding-left: 2.5rem;
        padding-right: 2.5rem;
        font-size: 0.85rem;
    }

    .auth-btn-submit {
        padding: 0.875rem 1rem;
        font-size: 0.9rem;
    }

    .auth-btn-submit .auth-btn-text {
        font-size: 0.9rem;
    }

    .auth-link {
        font-size: 0.85rem;
    }

    .auth-help {
        font-size: 0.75rem;
    }

    .auth-error {
        font-size: 0.8rem;
    }

    .auth-info-text {
        font-size: 0.8rem;
    }

    .auth-logo-img {
        height: 40px;
    }

    .auth-footer {
        font-size: 0.85rem;
    }

    .auth-checkbox {
        font-size: 0.85rem;
    }

    .auth-checkbox input[type="checkbox"] + span {
        font-size: 0.85rem;
    }

    .auth-copyright {
        font-size: 0.75rem;
        padding-top: 1rem;
        margin-top: 0.75rem;
    }
}

/* Banner de Cookies */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-top: 1px solid #e0e0e0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    padding: 1.25rem;
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cookie-banner-text {
    flex: 1;
    min-width: 250px;
}

.cookie-banner-text p {
    margin: 0;
    color: #333333;
    font-size: 0.9rem;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cookie-banner-text i {
    color: var(--cor-azul);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.cookie-link {
    color: var(--cor-azul);
    text-decoration: underline;
    transition: var(--transicao);
}

.cookie-link:hover {
    color: var(--cor-azul-escuro);
}

.cookie-banner-actions {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--raio-borda);
    font-family: var(--fonte-principal);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicao);
    white-space: nowrap;
}

.cookie-btn-accept {
    background: var(--cor-azul);
    color: white;
}

.cookie-btn-accept:hover {
    background: var(--cor-azul-escuro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.cookie-btn-reject {
    background: transparent;
    color: #333333;
    border: 1px solid #e0e0e0;
}

.cookie-btn-reject:hover {
    background: #f5f5f5;
    border-color: var(--cor-azul);
    color: var(--cor-azul);
}

@media (max-width: 768px) {
    .cookie-banner {
        padding: 1rem;
    }

    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .cookie-banner-text {
        min-width: auto;
    }

    .cookie-banner-actions {
        width: 100%;
        flex-direction: column;
    }

    .cookie-btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
    }
}

/* Botão Voltar ao Topo */
.btn-voltar-topo {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--cor-azul);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
    transition: var(--transicao);
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.btn-voltar-topo.visivel {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.btn-voltar-topo:hover {
    background: var(--cor-azul-escuro);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 102, 255, 0.4);
}

.btn-voltar-topo:active {
    transform: translateY(-1px);
}

.btn-voltar-topo svg {
    width: 32px;
    height: 32px;
}

.btn-voltar-topo-tooltip {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--cor-texto);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(-50%) translateX(-10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-voltar-topo-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--cor-texto);
}

.btn-voltar-topo-tooltip.mostrar {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

@media (max-width: 768px) {
    .btn-voltar-topo {
        bottom: 5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }
    
    .btn-voltar-topo svg {
        width: 28px;
        height: 28px;
    }
}

/* ==================== PÁGINA BIBLIOTECA ==================== */
.pagina-biblioteca {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

.biblioteca-header {
    text-align: center;
    margin-bottom: 3rem;
}

.biblioteca-header .titulo-pagina {
    font-family: var(--fonte-titulo);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--cor-texto);
    margin-bottom: 0.75rem;
}


/* Toolbar da Biblioteca */
.biblioteca-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding: 1.25rem;
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio-borda);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.biblioteca-busca {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    min-width: 200px;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: 10px;
    padding: 0.625rem 1rem;
    transition: var(--transicao);
}

.biblioteca-busca:focus-within {
    border-color: var(--cor-azul);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.biblioteca-busca svg {
    color: var(--cor-texto-secundario);
    flex-shrink: 0;
}

.biblioteca-busca-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--fonte-principal);
    font-size: 0.95rem;
    color: var(--cor-texto);
}

.biblioteca-busca-input::placeholder {
    color: var(--cor-texto-secundario);
}

.biblioteca-filtros {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.biblioteca-filtro-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: 25px;
    color: var(--cor-texto-secundario);
    font-family: var(--fonte-principal);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transicao);
}

.biblioteca-filtro-btn:hover {
    border-color: var(--cor-azul);
    color: var(--cor-azul);
    background: rgba(0, 102, 255, 0.05);
}

.biblioteca-filtro-btn.ativo {
    background: var(--cor-azul);
    border-color: var(--cor-azul);
    color: white;
}

.biblioteca-filtro-btn svg {
    width: 16px;
    height: 16px;
}

.biblioteca-visualizacao {
    display: flex;
    gap: 0.25rem;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: 10px;
    padding: 0.25rem;
}

.biblioteca-view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--cor-texto-secundario);
    cursor: pointer;
    transition: var(--transicao);
}

.biblioteca-view-btn:hover {
    background: var(--cor-borda);
    color: var(--cor-texto);
}

.biblioteca-view-btn.ativo {
    background: var(--cor-azul);
    color: white;
}

/* Barra de informações */
.biblioteca-info-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding: 0 0.25rem;
}

.biblioteca-contador {
    font-family: var(--fonte-principal);
    font-size: 0.9rem;
    color: var(--cor-texto-secundario);
}

.biblioteca-contador span {
    font-weight: 600;
    color: var(--cor-azul);
}

.biblioteca-ordenar {
    padding: 0.5rem 1rem;
    background: var(--cor-fundo-card);
    border: 1px solid var(--cor-borda);
    border-radius: 10px;
    font-family: var(--fonte-principal);
    font-size: 0.9rem;
    color: var(--cor-texto);
    cursor: pointer;
    transition: var(--transicao);
}

.biblioteca-ordenar:hover {
    border-color: var(--cor-azul);
}

.biblioteca-ordenar:focus {
    outline: none;
    border-color: var(--cor-azul);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

/* Visualização em lista */
.livros-grid.livros-lista {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.livros-grid.livros-lista .livro-card {
    flex-direction: row;
    align-items: center;
}

.livros-grid.livros-lista .livro-capa {
    width: 100px;
    min-height: 130px;
    flex-shrink: 0;
    border-radius: var(--raio-borda) 0 0 var(--raio-borda);
}

.livros-grid.livros-lista .livro-loading-spinner {
    width: 20px;
    height: 20px;
}

.livros-grid.livros-lista .livro-info {
    flex: 1;
}

.livros-grid.livros-lista .livro-abrir {
    top: 50%;
    transform: translateY(-50%);
    right: 1rem;
}

/* Grid de Livros */
.livros-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
}

/* Card do Livro */
.livro-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--cor-fundo-card);
    border-radius: var(--raio-borda);
    border: 1px solid var(--cor-borda);
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

/* Capa do Livro */
.livro-capa {
    position: relative;
    background: linear-gradient(145deg, var(--cor-azul) 0%, var(--cor-azul-escuro) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    overflow: hidden;
}

.livro-capa-canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.livro-capa-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.livro-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.livro-lombada {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 10px;
    background: linear-gradient(90deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
    z-index: 2;
}

/* Info do Livro */
.livro-info {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.livro-titulo {
    font-family: var(--fonte-titulo);
    font-size: 1rem;
    font-weight: 600;
    color: var(--cor-texto);
    line-height: 1.4;
    margin: 0;
}

.livro-formato {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--cor-azul);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: fit-content;
}

/* Botão Abrir Livro */
.livro-abrir {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-azul);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.livro-abrir svg {
    width: 18px;
    height: 18px;
}

/* Responsivo Biblioteca */
@media (max-width: 768px) {
    .pagina-biblioteca {
        padding: 1.5rem 1rem 6rem;
    }

    .biblioteca-header .titulo-pagina {
        font-size: 1.75rem;
    }


    .biblioteca-toolbar {
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .biblioteca-busca {
        min-width: 100%;
        order: -1;
    }

    .biblioteca-filtros {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.25rem;
        -webkit-overflow-scrolling: touch;
    }

    .biblioteca-filtro-btn {
        flex-shrink: 0;
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    .biblioteca-visualizacao {
        margin-left: auto;
    }

    .biblioteca-info-bar {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .livros-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .livro-capa {
        min-height: 180px;
    }

    .livro-loading-spinner {
        width: 24px;
        height: 24px;
    }

    .livro-info {
        padding: 1rem;
    }

    .livro-titulo {
        font-size: 0.9rem;
    }

    /* Lista em mobile */
    .livros-grid.livros-lista .livro-capa {
        width: 80px;
        min-height: 100px;
    }

    .livros-grid.livros-lista .livro-loading-spinner {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .livros-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .livro-capa {
        min-height: 150px;
    }

    .livro-loading-spinner {
        width: 20px;
        height: 20px;
    }

    .livro-abrir {
        width: 28px;
        height: 28px;
        top: 0.5rem;
        right: 0.5rem;
    }

    .livro-abrir svg {
        width: 14px;
        height: 14px;
    }

    .livro-info {
        padding: 0.75rem;
    }

    .livro-titulo {
        font-size: 0.85rem;
    }

    .biblioteca-filtro-btn span {
        display: none;
    }

    .biblioteca-filtro-btn svg {
        margin: 0;
    }
}