/* ==========================================
   RESET E CONFIGURAÇÕES GERAIS
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

:root {
    color-scheme: light;
    --bg-principal: #faf7f7;
    /* Azul escuro profundo / Quase preto */
    --bg-secundario: #ffffff;
    /* Cinza azulado para cards e seções */
    --bg-input: #f5eded;
    /* Background para inputs e detalhes */
    --texto-principal: #24191b;
    /* Branco fosco, não agride os olhos */
    --texto-secundario: #766568;
    /* Cinza claro para descrições */
    --cor-accent: #b91c1c;
    /* Verde Neon Tecnológico */
    --cor-accent-hover: #991b1b;
    /* Tom mais escuro para hover */
    --borda: rgba(80, 30, 35, 0.14);
    --bg-header: rgba(255, 252, 252, 0.9);
    --bg-footer: #f5eded;
    --accent-rgb: 185, 28, 28;
}

/* Alternador de tema no cabeçalho */
.theme-toggle {
    appearance: none;
    -webkit-appearance: none;
    width: 40px;
    height: 40px;
    min-width: 40px;
    padding: 0;
    margin: 0 0 0 18px;
    display: inline-grid !important;
    place-items: center;
    flex: 0 0 auto;
    color: var(--texto-principal);
    background: var(--bg-input);
    border: 1px solid var(--borda);
    border-radius: 10px;
    cursor: pointer;
    transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease;
}

.theme-toggle:hover {
    color: var(--cor-accent);
    border-color: var(--cor-accent);
    transform: translateY(-1px);
}

.theme-toggle svg { width: 19px; height: 19px; grid-area: 1 / 1; }
.theme-toggle-sun { display: none !important; }
[data-theme="dark"] .theme-toggle-moon { display: none !important; }
[data-theme="dark"] .theme-toggle-sun { display: block !important; }

/* Componentes antigos com cores fixas adaptados ao novo tema claro. */
:root:not([data-theme="dark"]) .highlights { background-color: rgba(255, 255, 255, .72); }
:root:not([data-theme="dark"]) .mega-menu-dropdown,
:root:not([data-theme="dark"]) .profile-dropdown { box-shadow: 0 18px 45px rgba(60, 20, 25, .14); }
:root:not([data-theme="dark"]) .profile-menu-button,
:root:not([data-theme="dark"]) .profile-dropdown,
:root:not([data-theme="dark"]) .profile-summary-card,
:root:not([data-theme="dark"]) .profile-card,
:root:not([data-theme="dark"]) .admin-stats > div { background: #ffffff; border-color: var(--borda); }
:root:not([data-theme="dark"]) .profile-menu-button:hover,
:root:not([data-theme="dark"]) .profile-menu.is-open .profile-menu-button { background: var(--bg-input); }
:root:not([data-theme="dark"]) .profile-field input,
:root:not([data-theme="dark"]) .profile-field textarea,
:root:not([data-theme="dark"]) .admin-page select,
:root:not([data-theme="dark"]) .admin-selected-files > span,
:root:not([data-theme="dark"]) .admin-selected-user,
:root:not([data-theme="dark"]) .admin-lesson-comments article,
:root:not([data-theme="dark"]) .student-material-item,
:root:not([data-theme="dark"]) .lesson-comment,
:root:not([data-theme="dark"]) .comment-edit-form textarea { background: var(--bg-input); color: var(--texto-principal); border-color: var(--borda); }
:root:not([data-theme="dark"]) .profile-field label,
:root:not([data-theme="dark"]) .admin-comments-list p,
:root:not([data-theme="dark"]) .comment-text,
:root:not([data-theme="dark"]) .admin-lesson-comments p { color: var(--texto-principal); }
:root:not([data-theme="dark"]) .profile-card-title,
:root:not([data-theme="dark"]) .admin-lesson-item,
:root:not([data-theme="dark"]) .comment-footer { border-color: var(--borda); }
:root:not([data-theme="dark"]) .reaction-button { background: var(--bg-secundario); border-color: var(--borda); }

@media (max-width: 900px) {
    .theme-toggle { margin-left: 10px; }
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg-principal: #120d0e;
    --bg-secundario: #1c1517;
    --bg-input: #2a1d20;
    --texto-principal: #f8f2f3;
    --texto-secundario: #b9aaad;
    --cor-accent: #ff4d5a;
    --cor-accent-hover: #ff6b75;
    --borda: rgba(255, 220, 224, 0.1);
    --bg-header: rgba(28, 21, 23, 0.9);
    --bg-footer: #0c0809;
    --accent-rgb: 255, 77, 90;
}

body {
    background-color: var(--bg-principal);
    color: var(--texto-principal);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

main {
    flex: 1;
    padding-top: 40px;
    padding-bottom: 60px;
}

/* Link padrão */
a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* ==========================================
   HEADER / NAVEGAÇÃO
   ========================================== */
header {
    background-color: var(--bg-header);
    backdrop-filter: blur(12px);
    /* Efeito de vidro fosco */
    border-bottom: 1px solid var(--borda);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}

.logo img {
    display: block;
    width: auto;
    height: 48px;
    object-fit: contain;
}

nav a {
    margin-left: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--texto-secundario);
}

nav a:hover,
nav a.active {
    color: var(--cor-accent);
}

/* ==========================================
   HERO SECTION (INTRODUÇÃO)
   ========================================== */
.hero {
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--texto-secundario);
    max-width: 600px;
    margin: 0 auto 35px auto;
}

/* Botões */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--cor-accent);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--cor-accent-hover);
    box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--texto-principal);
    border: 1px solid var(--borda);
}

.btn-secondary:hover {
    background-color: var(--bg-secundario);
    border-color: var(--texto-secundario);
}

/* ==========================================
   SOBRE MIM & SKILLS
   ========================================== */
.about {
    background-color: var(--bg-secundario);
    border: 1px solid var(--borda);
    border-radius: 12px;
    padding: 40px;
    margin-top: 40px;
}

.about h2,
.about h3 {
    margin-bottom: 20px;
    position: relative;
}

.about h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--cor-accent);
    margin-top: 8px;
    border-radius: 2px;
}

.about p {
    color: var(--texto-secundario);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

/* Grid de Competências */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    list-style: none;
}

.skills-grid li {
    background-color: var(--bg-input);
    padding: 20px;
    border-radius: 8px;
    border-left: 3px solid var(--cor-accent);
    font-size: 0.95rem;
}

.skills-grid li strong {
    display: block;
    color: var(--texto-principal);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

/* ==========================================
   RODAPÉ
   ========================================== */
footer {
    background-color: var(--bg-footer);
    border-top: 1px solid var(--borda);
    padding: 25px 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--texto-secundario);
}

/* ==========================================
   RESPONSIVIDADE (MOBILE)
   ========================================== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }

    nav a {
        margin: 0 10px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .about {
        padding: 25px;
    }
}

/* ==========================================
   PÁGINA DE PROJETOS (GRID E CARDS)
   ========================================== */
.projects-section {
    padding: 40px 0;
}

.projects-section h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--texto-secundario);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

/* Grid que organiza os cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

/* O Card do Projeto */
.project-card {
    background-color: var(--bg-secundario);
    border: 1px solid var(--borda);
    border-radius: 10px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Efeito de hover "Cyber" nos cards */
.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(var(--accent-rgb), 0.4);
    box-shadow: 0 10px 30px rgba(var(--accent-rgb), 0.05);
}

.project-header {
    margin-bottom: 15px;
}

.project-category {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cor-accent);
    margin-bottom: 5px;
    font-weight: 600;
}

.project-card h3 {
    font-size: 1.3rem;
    color: var(--texto-principal);
}

.project-desc {
    color: var(--texto-secundario);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
    /* Garante que o texto ocupe o espaço e alinhe os botões embaixo */
}

/* Alinhamento das Tags do projeto */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    background-color: var(--bg-input);
    color: var(--texto-principal);
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Link/Botão do GitHub no rodapé do card */
.project-footer {
    border-top: 1px solid var(--borda);
    padding-top: 15px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--texto-secundario);
    font-weight: 500;
}

.project-link i {
    width: 18px;
    height: 18px;
}

.project-link:hover {
    color: var(--cor-accent);
}


/* Alinhamento do status do projeto de infra */
.project-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--cor-accent);
    font-weight: 500;
}

.project-status i {
    width: 18px;
    height: 18px;
}

/* ==========================================
   SEÇÃO DE HIGHLIGHTS (INDEX)
   ========================================== */
.highlights {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 50px;
    padding: 30px;
    background-color: rgba(22, 27, 38, 0.5);
    border-radius: 12px;
    border: 1px solid var(--borda);
}

.highlight-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--texto-secundario);
}

.highlight-item i {
    color: var(--cor-accent);
    width: 32px;
    height: 32px;
}

.highlight-item span {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .highlights {
        flex-direction: column;
        gap: 30px;
    }
}

/* ==========================================
   PÁGINA DE CONTATO (FORMULÁRIO E INFO)
   ========================================== */
.contact-section {
    padding: 40px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    margin-top: 30px;
}

.contact-info h3,
.contact-form-container h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--texto-principal);
}

.contact-info p {
    color: var(--texto-secundario);
    margin-bottom: 30px;
}

/* Links das Redes Sociais */
.info-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--bg-secundario);
    border: 1px solid var(--borda);
    padding: 20px;
    border-radius: 8px;
}

.info-item:hover {
    border-color: var(--cor-accent);
    transform: translateX(5px);
}

.info-item i {
    color: var(--cor-accent);
    width: 28px;
    height: 28px;
}

.info-item strong {
    display: block;
    color: var(--texto-principal);
    font-size: 1.05rem;
}

.info-item span {
    font-size: 0.85rem;
    color: var(--texto-secundario);
}

/* Formulário */
.tech-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--texto-secundario);
}

.form-group input,
.form-group textarea {
    background-color: var(--bg-input);
    border: 1px solid var(--borda);
    color: var(--texto-principal);
    padding: 12px 15px;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--cor-accent);
}

.btn-block {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

/* Caixas de Alerta PHP */
.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    font-weight: 500;
}

.alert-success {
    background-color: rgba(var(--accent-rgb), 0.1);
    border: 1px solid var(--cor-accent);
    color: var(--cor-accent);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

/* Ajuste Responsivo */
@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ==========================================
   ESTILIZAÇÃO DOS LOGOS SOCIAIS (CONTATO)
   ========================================== */
.social-icon {
    width: 28px;
    height: 28px;
    transition: transform 0.3s ease;
}

/* Efeito de rotação/escala leve no logo ao passar o mouse */
.info-item:hover .social-icon {
    transform: scale(1.1);
}

/* Hover customizado para o LinkedIn */
.item-linkedin:hover {
    border-color: #0077b5 !important;
    box-shadow: 0 5px 15px rgba(0, 119, 181, 0.1);
}

.item-linkedin:hover strong {
    color: #0077b5;
}

/* Hover customizado para o GitHub */
.item-github:hover {
    border-color: #ffffff !important;
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
}

/* O arquivo do GitHub é claro para o tema escuro; no tema claro vira grafite. */
:root:not([data-theme="dark"]) .item-github .social-icon {
    filter: brightness(0) saturate(100%) opacity(.82);
}

:root:not([data-theme="dark"]) .item-github:hover {
    border-color: #24292f !important;
    box-shadow: 0 5px 15px rgba(36, 41, 47, .12);
}

/* Hover customizado para o YouTube */
.item-youtube:hover {
    border-color: #ff0000 !important;
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.1);
}

.item-youtube:hover strong {
    color: #ff0000;
}

/* ==========================================
   SEÇÃO DE PARCEIROS (INDEX)
   ========================================== */
.partners-section {
    margin-top: 40px;
    background-color: var(--bg-secundario);
    border: 1px solid var(--borda);
    border-radius: 12px;
    padding: 40px;
}

.partners-section h2 {
    margin-bottom: 10px;
    position: relative;
}

.partners-section h2::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--cor-accent);
    margin-top: 8px;
    border-radius: 2px;
}

.partners-section p {
    color: var(--texto-secundario);
    margin-bottom: 35px;
    font-size: 1.05rem;
}

/* Grid ou Flexbox para os Logos */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.partner-item {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 160px;
    filter: grayscale(100%);
    opacity: 0.4;
    transition: all 0.3s ease;
}

/* Efeito ao passar o mouse: acende o logo e remove o preto e branco */
.partner-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

.partner-logo {
    max-width: 100%;
    height: auto;
    max-height: 45px;
    /* Mantém uma altura padrão para não quebrar o layout */
}

@media (max-width: 768px) {
    .partners-grid {
        gap: 25px;
    }

    .partner-item {
        max-width: 120px;
    }
}

/* ==========================================
   MEGA MENU DE SERVIÇOS (ESTILO HOSTINGER)
   ========================================== */

/* Classe base para o item do menu de navegação que segura o dropdown */
.nav-item-has-dropdown {
    position: relative;
    padding-bottom: 10px;
    /* Garante área de contato para o mouse */
    margin-left: 25px;
}

.nav-item-has-dropdown>a {
    margin-left: 0 !important;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* O Painel Flutuante do Mega Menu */
.mega-menu-dropdown {
    position: absolute;
    top: 100%;
    right: -150px;
    /* Ajusta o alinhamento em relação ao link */
    width: 680px;
    /* Largura ideal para acomodar as colunas */
    background-color: var(--bg-secundario);
    border: 1px solid var(--borda);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.02);

    /* Estado Escondido por Padrão */
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
}

/* Exibe o menu ao passar o mouse sobre o container */
.nav-item-has-dropdown:hover .mega-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Estrutura de Colunas em Grid (Idêntica à imagem da Hostinger) */
.mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    /* Duas colunas principais */
    gap: 30px;
}

/* Cabeçalhos de Categoria (Ex: "FÍSICO & ESTRUTURAL", "LÓGICO & SEGURANÇA") */
.mega-menu-category h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--texto-secundario);
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 5px;
}

.mega-menu-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Item de Serviço Individual (Estilo Link com Descrição) */
.mega-menu-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.mega-menu-item:hover {
    background-color: var(--bg-input);
}

/* Ícones dentro do menu */
.mega-menu-icon {
    color: var(--cor-accent);
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin-top: 2px;
}

.mega-menu-info strong {
    display: block;
    font-size: 0.95rem;
    color: var(--texto-principal);
    margin-bottom: 2px;
    transition: color 0.2s ease;
}

.mega-menu-item:hover .mega-menu-info strong {
    color: var(--cor-accent);
}

.mega-menu-info p {
    font-size: 0.8rem;
    color: var(--texto-secundario);
    line-height: 1.4;
}

/* Ajuste de responsividade para telas menores */
@media (max-width: 900px) {
    .mega-menu-dropdown {
        position: static;
        width: 100%;
        box-shadow: none;
        padding: 15px 0;
        border: none;
        background: transparent;
        display: none;
        /* Em mobile, pode virar uma lista simples */
    }

    .nav-item-has-dropdown:hover .mega-menu-dropdown {
        display: block;
    }

    .mega-menu-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}


/* ==========================================
   LINK DA PLATAFORMA EAD
   ========================================== */

.ead-link {
    color: var(--cor-accent) !important;
    font-weight: 700 !important;
}

/* ==========================================
   PAINEL ADMIN NO HEADER
   ========================================== */

.admin-panel-link {
    color: #dc2626 !important;
    font-weight: 700 !important;
    font-size: 0.9rem !important;
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    margin-left: 22px !important;
}

.admin-panel-link i {
    width: 16px;
    height: 16px;
}

/* ==========================================
   MENU DO USUÁRIO / AVATAR
   ========================================== */

.main-nav {
    display: flex;
    align-items: center;
}

.profile-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-left: 18px;
}

.profile-menu-button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(11, 15, 25, 0.7);
    color: var(--texto-principal);
    min-height: 44px;
    padding: 5px 10px 5px 6px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    transition:
        border-color 0.2s ease,
        background-color 0.2s ease,
        box-shadow 0.2s ease;
}

.profile-menu-button:hover,
.profile-menu.is-open .profile-menu-button {
    border-color: rgba(var(--accent-rgb), 0.45);
    background: rgba(31, 38, 53, 0.9);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.05);
}

.profile-avatar,
.profile-avatar-image {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    flex-shrink: 0;
}

.profile-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cor-accent), #dc2626);
    color: #24090d;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.profile-avatar-image {
    display: block;
    object-fit: cover;
    border: 1px solid rgba(var(--accent-rgb), 0.35);
}

.profile-user-data {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
    line-height: 1.15;
}

.profile-user-data strong {
    max-width: 135px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 0.86rem;
    color: var(--texto-principal);
}

.profile-user-data small {
    margin-top: 3px;
    font-size: 0.69rem;
    color: var(--texto-secundario);
}

.profile-chevron {
    width: 15px;
    height: 15px;
    color: var(--texto-secundario);
    transition: transform 0.2s ease;
}

.profile-menu.is-open .profile-chevron {
    transform: rotate(180deg);
}

/* ==========================================
   DROPDOWN DO PERFIL
   ========================================== */

.profile-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 250px;
    background: #1a1214;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px) scale(0.98);
    transform-origin: top right;
    transition:
        opacity 0.18s ease,
        transform 0.18s ease,
        visibility 0.18s ease;
    z-index: 1200;
}

.profile-menu.is-open .profile-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.profile-dropdown-header {
    display: flex;
    flex-direction: column;
    padding: 10px 11px 9px;
    overflow: hidden;
}

.profile-dropdown-name {
    color: var(--texto-principal);
    font-size: 0.9rem;
    font-weight: 700;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.profile-dropdown-email {
    margin-top: 3px;
    color: var(--texto-secundario);
    font-size: 0.74rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.profile-dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin: 5px 0;
}

.profile-dropdown-item {
    margin-left: 0 !important;
    padding: 10px 11px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--texto-secundario) !important;
    font-size: 0.85rem !important;
    font-weight: 500 !important;
}

.profile-dropdown-item:hover {
    background: var(--bg-input);
    color: var(--texto-principal) !important;
}

.profile-dropdown-item i {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
}

.profile-dropdown-admin {
    color: #dc2626 !important;
}

.profile-dropdown-admin:hover {
    color: #f87171 !important;
}

.profile-dropdown-logout {
    color: #ff6b6b !important;
}

.profile-dropdown-logout:hover {
    color: #ff8d8d !important;
    background: rgba(255, 74, 74, 0.08);
}

/* ==========================================
   RESPONSIVIDADE DO HEADER / PERFIL
   ========================================== */

@media (max-width: 900px) {
    .main-nav {
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px 0;
    }

    .profile-menu {
        margin-left: 10px;
    }

    .profile-dropdown {
        right: 0;
    }
}

@media (max-width: 600px) {
    .profile-user-data {
        display: none;
    }

    .profile-menu-button {
        padding-right: 7px;
    }

    .profile-dropdown {
        position: fixed;
        top: 76px;
        right: 15px;
        left: 15px;
        width: auto;
    }
}

/* ==========================================
   PÁGINA DE PERFIL
   ========================================== */
.profile-page { padding: 14px 0 30px; }
.profile-page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 30px; }
.profile-eyebrow { color: var(--cor-accent); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 1.4px; }
.profile-page-heading h1 { margin-top: 3px; font-size: 2.15rem; line-height: 1.2; }
.profile-page-heading p, .profile-card-title p { color: var(--texto-secundario); }
.profile-back { display: inline-flex; align-items: center; gap: 8px; color: var(--texto-secundario); font-size: .88rem; white-space: nowrap; }
.profile-back:hover { color: var(--cor-accent); }
.profile-back svg { width: 17px; }
.profile-alert { display: flex; align-items: center; gap: 10px; padding: 13px 15px; margin-bottom: 22px; border-radius: 8px; font-size: .9rem; }
.profile-alert svg { width: 19px; flex-shrink: 0; }
.profile-alert-success { color: var(--cor-accent); border: 1px solid rgba(var(--accent-rgb),.35); background: rgba(var(--accent-rgb),.07); }
.profile-alert-error { color: #ff7474; border: 1px solid rgba(255,74,74,.35); background: rgba(255,74,74,.07); }
.profile-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 24px; align-items: start; }
.profile-summary-card, .profile-card { background: linear-gradient(145deg, #211619, #1a1214); border: 1px solid rgba(255,255,255,.07); border-radius: 14px; box-shadow: 0 18px 45px rgba(0,0,0,.18); }
.profile-summary-card { padding: 30px 22px; position: sticky; top: 100px; }
.avatar-form { display: flex; flex-direction: column; align-items: center; text-align: center; }
.profile-large-avatar { position: relative; width: 112px; height: 112px; margin-bottom: 17px; border-radius: 50%; background: linear-gradient(135deg, var(--cor-accent), #dc2626); box-shadow: 0 0 0 5px rgba(var(--accent-rgb),.06); display: grid; place-items: center; }
.profile-large-avatar > span { color: #24090d; font-size: 2rem; font-weight: 800; }
.profile-large-avatar > img { width: 100%; height: 100%; border-radius: inherit; object-fit: cover; }
.avatar-edit-button { position: absolute; right: -3px; bottom: 2px; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: #24090d; background: var(--cor-accent); border: 3px solid #211619; cursor: pointer; transition: transform .2s, background .2s; }
.avatar-edit-button:hover { transform: scale(1.08); background: #ff7a84; }
.avatar-edit-button svg { width: 16px; }
.avatar-form > strong { font-size: 1.05rem; }
.avatar-form > span:not(.profile-role) { max-width: 100%; color: var(--texto-secundario); font-size: .8rem; overflow: hidden; text-overflow: ellipsis; }
.profile-role { display: inline-flex; align-items: center; gap: 6px; margin-top: 13px; padding: 5px 10px; border: 1px solid rgba(56,189,248,.22); border-radius: 20px; color: #f87171; background: rgba(56,189,248,.07); font-size: .72rem; font-weight: 700; }
.profile-role svg { width: 13px; }
.avatar-form small { margin: 18px 0 10px; color: #6b7280; font-size: .68rem; }
.profile-secondary-button, .profile-primary-button { border-radius: 7px; font-weight: 700; cursor: pointer; transition: .2s ease; }
.profile-secondary-button { width: 100%; padding: 9px 12px; color: var(--texto-principal); background: var(--bg-input); border: 1px solid rgba(255,255,255,.09); }
.profile-secondary-button:not(:disabled):hover { border-color: var(--cor-accent); color: var(--cor-accent); }
.profile-secondary-button:disabled { opacity: .45; cursor: not-allowed; }
.profile-forms { display: flex; flex-direction: column; gap: 24px; }
.profile-card { overflow: hidden; }
.profile-card-title { padding: 22px 25px; display: flex; gap: 14px; align-items: flex-start; border-bottom: 1px solid rgba(255,255,255,.06); }
.profile-card-title > svg { width: 21px; margin-top: 2px; color: var(--cor-accent); }
.profile-card-title h2 { font-size: 1.05rem; }
.profile-card-title p { font-size: .8rem; margin-top: 2px; }
.profile-form { padding: 24px 25px; }
.profile-field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.profile-field label { color: #c8cdd7; font-size: .78rem; font-weight: 700; }
.profile-field input { width: 100%; padding: 12px 13px; color: var(--texto-principal); background: #160f11; border: 1px solid rgba(255,255,255,.09); border-radius: 7px; outline: none; font-size: .9rem; transition: border-color .2s, box-shadow .2s; }
.profile-field input:focus { border-color: rgba(var(--accent-rgb),.6); box-shadow: 0 0 0 3px rgba(var(--accent-rgb),.06); }
.profile-password-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.profile-actions { display: flex; justify-content: flex-end; padding-top: 4px; }
.profile-primary-button { display: inline-flex; align-items: center; gap: 8px; padding: 10px 17px; color: #24090d; border: 1px solid var(--cor-accent); background: var(--cor-accent); }
.profile-primary-button:hover { background: #ff7a84; transform: translateY(-1px); }
.profile-primary-button svg { width: 16px; }

@media (max-width: 800px) {
    .profile-layout { grid-template-columns: 1fr; }
    .profile-summary-card { position: static; }
    .profile-page-heading { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 560px) {
    .profile-page-heading h1 { font-size: 1.8rem; }
    .profile-password-grid { grid-template-columns: 1fr; gap: 0; }
    .profile-card-title, .profile-form { padding-left: 18px; padding-right: 18px; }
    .profile-actions, .profile-primary-button { width: 100%; justify-content: center; }
}

/* ADMINISTRAÇÃO EAD */
.admin-page { padding: 14px 0 30px; }
.admin-stats { display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px; }
.admin-stats>div { display:flex;align-items:center;gap:14px;padding:18px;background:linear-gradient(145deg,#211619,#1a1214);border:1px solid rgba(255,255,255,.07);border-radius:12px; }
.admin-stats>div>svg { width:23px;color:var(--cor-accent); }
.admin-stats span { display:flex;flex-direction:column;color:var(--texto-secundario);font-size:.75rem; }
.admin-stats strong { color:var(--texto-principal);font-size:1.35rem;line-height:1.2; }
.admin-dashboard-grid { display:grid;grid-template-columns:minmax(0,1.65fr) minmax(300px,.8fr);gap:24px;align-items:start; }
.admin-course-grid { padding:10px 20px 20px; }
.admin-course-item { display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:13px;align-items:center;padding:14px 5px;border-bottom:1px solid rgba(255,255,255,.06); }
.admin-course-item:last-child { border-bottom:0; }
.admin-course-icon { width:40px;height:40px;display:grid;place-items:center;border-radius:9px;color:var(--cor-accent);background:rgba(var(--accent-rgb),.07); }
.admin-course-icon svg { width:19px; }
.admin-course-item span { color:var(--cor-accent);font-size:.66rem;font-weight:800;text-transform:uppercase; }
.admin-course-item h3 { font-size:.9rem;margin:1px 0; }
.admin-course-item p { color:var(--texto-secundario);font-size:.72rem; }
.admin-course-actions,.admin-row-actions { display:flex;align-items:center;gap:7px; }
.admin-button,.admin-icon-button { display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid rgba(255,255,255,.1);border-radius:7px;background:var(--bg-input);color:var(--texto-principal);cursor:pointer;font-size:.75rem;font-weight:700; }
.admin-button { padding:8px 11px; }.admin-button.primary { color:var(--cor-accent);border-color:rgba(var(--accent-rgb),.25);background:rgba(var(--accent-rgb),.06); }.admin-button.ghost { padding:10px 16px;background:transparent; }
.admin-icon-button { width:33px;height:33px;padding:0; }.admin-icon-button svg,.admin-button svg { width:15px; }.admin-icon-button:hover { color:var(--cor-accent);border-color:var(--cor-accent); }.admin-icon-button.danger { color:#ff7474; }.admin-icon-button.danger:hover { border-color:#ff7474; }
.profile-field textarea,.admin-page select { width:100%;padding:12px 13px;color:var(--texto-principal);background:#160f11;border:1px solid rgba(255,255,255,.09);border-radius:7px;outline:none;font-size:.9rem;resize:vertical; }
.profile-field textarea:focus,.admin-page select:focus { border-color:rgba(var(--accent-rgb),.6); }
.admin-students-section { margin-top:24px; }
.admin-grant-bar { padding:18px 24px;background:rgba(var(--accent-rgb),.025);border-bottom:1px solid rgba(255,255,255,.06); }
.admin-grant-bar form { display:grid;grid-template-columns:1fr 1fr auto;gap:10px; }.admin-grant-bar select { min-width:0; }
.admin-student-list { padding:5px 24px 20px; }
.admin-student-row { display:grid;grid-template-columns:38px 190px minmax(0,1fr) auto;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.06); }
.admin-student-avatar { width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--cor-accent),#dc2626);color:#24090d;font-size:.7rem;font-weight:800; }
.admin-student-info { display:flex;flex-direction:column;min-width:0; }.admin-student-info strong { font-size:.83rem; }.admin-student-info span { color:var(--texto-secundario);font-size:.7rem;overflow:hidden;text-overflow:ellipsis; }
.admin-enrollments { display:flex;flex-wrap:wrap;gap:6px; }.admin-enrollment-tag { display:inline-flex;align-items:center;gap:5px;padding:5px 7px;border-radius:6px;background:rgba(56,189,248,.07);color:#f87171;font-size:.67rem; }.admin-enrollment-tag form { display:inline-flex; }.admin-enrollment-tag button,.admin-material-list button { display:grid;place-items:center;padding:0;border:0;background:transparent;color:inherit;cursor:pointer; }.admin-enrollment-tag svg { width:12px;height:12px; }.admin-no-access { color:#6b7280;font-size:.72rem;font-style:italic; }.admin-course-count { color:var(--texto-secundario);font-size:.7rem;white-space:nowrap; }
.admin-content-grid { display:grid;grid-template-columns:1fr;gap:24px;align-items:start; }.admin-content-grid.editor-open { grid-template-columns:1fr; }.admin-editor-card { position:static; }.admin-editor-card[hidden],#lessonListCard[hidden] { display:none; }
.admin-list-heading { align-items:center; }.admin-list-heading>div { flex:1; }.admin-list-heading>.admin-button { margin-left:auto;white-space:nowrap; }
.admin-upload-zone { position:relative;display:flex;align-items:center;gap:12px;padding:16px;margin-bottom:18px;border:1px dashed rgba(var(--accent-rgb),.3);border-radius:9px;background:rgba(var(--accent-rgb),.035);cursor:pointer; }.admin-upload-zone>svg { color:var(--cor-accent); }.admin-upload-zone div { display:flex;flex-direction:column; }.admin-upload-zone strong { font-size:.82rem; }.admin-upload-zone span { color:var(--texto-secundario);font-size:.68rem; }.admin-upload-zone input { position:absolute;inset:0;opacity:0;cursor:pointer; }.admin-form-actions { gap:9px; }
.admin-upload-zone.has-files { border-style:solid;border-color:var(--cor-accent);background:rgba(var(--accent-rgb),.07); }.admin-course-context { display:flex;align-items:center;gap:11px;min-height:46px;padding:10px 13px;border:1px solid rgba(var(--accent-rgb),.18);border-radius:7px;background:rgba(var(--accent-rgb),.035); }.admin-course-context>svg { width:19px;color:var(--cor-accent); }.admin-course-context span { display:flex;flex-direction:column; }.admin-course-context strong { font-size:.82rem; }.admin-course-context small { color:var(--texto-secundario);font-size:.67rem; }
.admin-field-help.loaded { color:var(--cor-accent);font-weight:600; }
.admin-selected-files { display:flex;flex-direction:column;gap:6px;margin:-8px 0 18px; }.admin-selected-files[hidden] { display:none; }.admin-selected-files>span { display:grid;grid-template-columns:18px minmax(0,1fr) auto;align-items:center;gap:8px;padding:8px 10px;border-radius:6px;background:#160f11;color:#cfd5df;font-size:.7rem; }.admin-selected-files svg { width:15px;color:var(--cor-accent); }.admin-selected-files strong { overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }.admin-selected-files small { color:var(--texto-secundario); }.profile-primary-button:disabled { opacity:.65;cursor:wait;transform:none; }
.admin-lesson-list { padding:8px 22px 20px; }.admin-lesson-item { display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:12px;align-items:start;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.06); }.admin-order-badge { width:30px;height:30px;display:grid;place-items:center;border-radius:7px;background:rgba(var(--accent-rgb),.08);color:var(--cor-accent);font-size:.76rem;font-weight:800; }.admin-lesson-body h3 { font-size:.9rem;margin:3px 0 5px; }.admin-meta { display:flex;gap:14px;color:var(--texto-secundario);font-size:.67rem; }.admin-meta span { display:flex;align-items:center;gap:4px; }.admin-meta svg { width:13px; }.admin-material-list { margin-top:9px;display:flex;flex-direction:column;gap:5px; }.admin-material-list>div { display:flex;align-items:center;gap:5px; }.admin-material-list a { display:flex;align-items:center;gap:5px;color:#f87171;font-size:.68rem; }.admin-material-list a>svg { width:13px; }.admin-material-list small { color:#6b7280; }.admin-material-list button { color:#ff7474; }.admin-material-list button svg { width:13px; }
.admin-empty { grid-column:1/-1;padding:35px;text-align:center;color:var(--texto-secundario); }.admin-empty svg { width:30px;margin-bottom:8px;color:#596273; }
.student-materials { margin-top:25px; }.student-material-grid { display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;padding:20px; }.student-material-item { display:flex;align-items:center;gap:10px;padding:13px;border-radius:8px;background:var(--bg-input);border:1px solid var(--borda); }.student-material-item:hover { border-color:var(--cor-accent); }.student-material-item>svg { width:20px;color:var(--cor-accent); }.student-material-item>svg:last-child { width:14px;margin-left:auto;color:var(--texto-secundario); }.student-material-item span { display:flex;flex-direction:column;min-width:0; }.student-material-item strong { font-size:.76rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }.student-material-item small { color:var(--texto-secundario);font-size:.65rem; }
@media(max-width:900px){.admin-stats{grid-template-columns:1fr 1fr}.admin-dashboard-grid,.admin-content-grid,.admin-content-grid.editor-open{grid-template-columns:1fr}.admin-editor-card{position:static}.admin-student-row{grid-template-columns:38px 1fr auto}.admin-enrollments{grid-column:2/-1}.admin-grant-bar form{grid-template-columns:1fr 1fr}.admin-grant-bar button{grid-column:1/-1;justify-content:center}}
@media(max-width:560px){.admin-stats{grid-template-columns:1fr}.admin-course-item{grid-template-columns:38px 1fr}.admin-course-actions{grid-column:2}.admin-grant-bar form{grid-template-columns:1fr}.admin-grant-bar button{grid-column:auto}.admin-student-row{grid-template-columns:36px 1fr}.admin-course-count{display:none}.admin-enrollments{grid-column:1/-1}.admin-content-grid{display:block}.admin-content-grid>section+section{margin-top:20px}}

/* EDIÇÃO DE CURSO */
.admin-edit-layout { display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start; }
.admin-edit-main { display:flex;flex-direction:column;gap:24px; }
.admin-icon-input { position:relative; }.admin-icon-input>svg { position:absolute;left:13px;top:50%;width:17px;color:var(--cor-accent);transform:translateY(-50%);pointer-events:none; }.admin-icon-input input { padding-left:40px; }
.admin-field-help { color:#6b7280;font-size:.67rem; }
.admin-course-summary { position:sticky;top:100px;padding:26px;text-align:center; }
.admin-summary-icon { width:64px;height:64px;margin:0 auto 15px;display:grid;place-items:center;border-radius:15px;color:var(--cor-accent);background:rgba(var(--accent-rgb),.07);border:1px solid rgba(var(--accent-rgb),.13); }.admin-summary-icon svg { width:28px; }
.admin-course-summary>span { color:var(--cor-accent);font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.8px; }.admin-course-summary h2 { margin:3px 0 9px;font-size:1.12rem; }.admin-course-summary>p { color:var(--texto-secundario);font-size:.76rem;line-height:1.6; }
.admin-summary-stats { display:grid;grid-template-columns:repeat(3,1fr);margin:21px 0;padding:15px 0;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06); }.admin-summary-stats div { display:flex;flex-direction:column; }.admin-summary-stats div+div { border-left:1px solid rgba(255,255,255,.06); }.admin-summary-stats strong { font-size:1.05rem; }.admin-summary-stats span { color:var(--texto-secundario);font-size:.62rem; }
.admin-summary-link { width:100%;margin-top:8px;padding:10px; }.admin-danger-card { border-color:rgba(255,74,74,.16); }.admin-danger-card .profile-card-title>svg { color:#ff7474; }
.admin-delete-button { display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid rgba(255,74,74,.5);border-radius:7px;color:#ff7474;background:rgba(255,74,74,.07);font-weight:700;cursor:pointer;transition:.2s; }.admin-delete-button:hover { background:rgba(255,74,74,.14);border-color:#ff7474; }.admin-delete-button svg { width:16px; }
@media(max-width:850px){.admin-edit-layout{grid-template-columns:1fr}.admin-course-summary{position:static;grid-row:1}}
.professor-dashboard .admin-courses-card { grid-column:1/-1; }
.admin-users-management { margin-top:24px;grid-template-columns:minmax(0,1.2fr) minmax(380px,1fr); }
.admin-register-card .profile-field input,.admin-register-card .profile-field select { min-height:46px; }
.admin-role-form { display:flex;align-items:center;gap:7px; }.admin-role-form select { min-width:120px;padding:8px; }
.admin-user-actions { display:flex;align-items:center;gap:7px; }.admin-user-actions>form { display:flex; }
.admin-selection-placeholder { display:flex;align-items:center;justify-content:center;gap:10px;min-height:82px;padding:18px;color:var(--texto-secundario);font-size:.78rem; }.admin-selection-placeholder svg { width:20px;color:#596273; }
.admin-filtered-students:empty { display:none; }.admin-selected-user { display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:12px;padding:16px;border:1px solid rgba(255,255,255,.07);border-radius:9px;background:#160f11; }
.admin-student-row[hidden],.admin-selected-user[hidden],.admin-selection-placeholder[hidden] { display:none; }
.admin-student-create-form { display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:12px;align-items:end; }.admin-student-create-form .profile-field { margin-bottom:0; }.admin-student-create-form .profile-actions { padding:0; }
@media(max-width:850px){.admin-student-create-form{grid-template-columns:1fr 1fr}.admin-student-create-form .profile-actions{align-self:end}}
@media(max-width:900px){.admin-users-management{grid-template-columns:1fr}}
@media(max-width:560px){.admin-selected-user{grid-template-columns:36px 1fr}.admin-selected-user .admin-user-actions{grid-column:1/-1;justify-content:flex-end}.admin-student-create-form{grid-template-columns:1fr}}
.admin-comments-list { padding:5px 24px 20px; }.admin-comments-list article { display:flex;justify-content:space-between;align-items:flex-start;gap:15px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.06); }.admin-comments-list article>div { min-width:0; }.admin-comments-list strong { display:block;font-size:.82rem;color:var(--cor-accent); }.admin-comments-list span { color:var(--texto-secundario);font-size:.68rem; }.admin-comments-list p { margin-top:6px;color:#d5d9e1;font-size:.78rem;white-space:pre-wrap; }

/* REAÇÕES E EDIÇÃO DE COMENTÁRIOS */
.lesson-reactions { display:flex;justify-content:flex-end;align-items:center;gap:12px;margin:-13px 0 20px;color:var(--texto-secundario);font-size:.75rem; }.lesson-reactions form,.comment-reactions { display:flex;gap:6px; }
.lesson-view-count { display:inline-flex;align-items:center;gap:5px;margin-right:auto; }.lesson-view-count svg { width:15px; }
.reaction-button { display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border:1px solid rgba(255,255,255,.09);border-radius:7px;background:#1a1214;color:var(--texto-secundario);cursor:pointer;font-size:.72rem;transition:.2s; }.reaction-button svg { width:14px;height:14px; }.reaction-button:hover,.reaction-button.active.like { color:var(--cor-accent);border-color:rgba(var(--accent-rgb),.45);background:rgba(var(--accent-rgb),.06); }.reaction-button.active.dislike { color:#ff7474;border-color:rgba(255,74,74,.45);background:rgba(255,74,74,.06); }
.lesson-comment { background:var(--bg-input);border:1px solid var(--borda);border-radius:7px;padding:16px; }.comment-text { color:#e5e7eb;line-height:1.6;font-size:14px;white-space:pre-wrap; }.comment-footer { display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:14px;padding-top:11px;border-top:1px solid rgba(255,255,255,.05); }
.comment-owner-actions { display:flex;align-items:center;gap:10px; }.comment-owner-actions form { display:inline-flex; }.comment-owner-actions button,.comment-edit-form button { display:inline-flex;align-items:center;gap:5px;padding:4px;border:0;background:transparent;color:var(--texto-secundario);font-size:.7rem;cursor:pointer; }.comment-owner-actions button:hover { color:var(--cor-accent); }.comment-owner-actions form button:hover { color:#ff7474; }.comment-owner-actions svg { width:13px; }
.comment-edit-form { margin-top:12px; }.comment-edit-form textarea { width:100%;min-height:90px;padding:12px;border:1px solid rgba(var(--accent-rgb),.35);border-radius:7px;background:#1a1214;color:var(--texto-principal);resize:vertical; }.comment-edit-form>div { display:flex;justify-content:flex-end;gap:8px;margin-top:7px; }.comment-edit-form button { padding:7px 11px;border:1px solid rgba(255,255,255,.1);border-radius:6px; }.comment-edit-form button[type=submit] { color:var(--cor-accent);border-color:rgba(var(--accent-rgb),.35); }
@media(max-width:560px){.lesson-reactions{justify-content:space-between}.comment-footer{align-items:flex-start;flex-direction:column}.comment-owner-actions{align-self:flex-end}}

/* COMENTÁRIOS AGRUPADOS POR AULA */
.admin-lesson-comments { margin-top:10px;border-top:1px solid rgba(255,255,255,.05);padding-top:8px; }
.admin-lesson-comments summary { display:flex;align-items:center;gap:6px;width:max-content;color:var(--texto-secundario);font-size:.68rem;cursor:pointer;list-style:none; }
.admin-lesson-comments summary::-webkit-details-marker { display:none; }
.admin-lesson-comments summary:hover { color:var(--cor-accent); }
.admin-lesson-comments summary svg { width:14px; }
.admin-lesson-comments>div { display:flex;flex-direction:column;gap:7px;margin-top:9px; }
.admin-lesson-comments article { display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:10px;border:1px solid rgba(255,255,255,.06);border-radius:7px;background:#160f11; }
.admin-lesson-comments article>div { min-width:0; }
.admin-lesson-comments strong { display:block;color:var(--cor-accent);font-size:.7rem; }
.admin-lesson-comments span { color:#6b7280;font-size:.62rem; }
.admin-lesson-comments p { margin-top:4px;color:#d5d9e1;font-size:.72rem;white-space:pre-wrap; }
.admin-no-comments { color:var(--texto-secundario)!important;font-style:italic; }
.admin-editor-comments { border-top:1px solid rgba(255,255,255,.07);background:rgba(11,15,25,.25); }
.admin-editor-comments[hidden],.admin-editor-comments section[hidden] { display:none; }
.admin-editor-comments .admin-comments-list { padding-bottom:24px; }

/* Autenticação da Plataforma EAD */
.ead-auth-card {
    width: 100%;
    max-width: 420px;
    padding: 40px;
    box-sizing: border-box;
    color: var(--texto-principal);
    background: var(--bg-secundario);
    border: 1px solid var(--borda);
    border-radius: 12px;
    box-shadow: 0 12px 35px rgba(60, 20, 25, .12);
}

.ead-auth-card label,
.ead-auth-footer span { color: var(--texto-secundario) !important; }
.ead-auth-footer a { color: var(--cor-accent) !important; }

.ead-auth-input {
    width: 100%;
    padding: 14px;
    box-sizing: border-box;
    color: var(--texto-principal);
    background: var(--bg-input);
    border: 1px solid var(--borda);
    border-radius: 6px;
    outline: none;
    font-size: 15px;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.ead-auth-input:focus {
    border-color: var(--cor-accent);
    box-shadow: 0 0 0 3px rgba(0, 143, 96, .12);
}

.ead-auth-submit {
    width: 100%;
    display: block;
    padding: 14px;
    color: var(--cor-accent);
    background: transparent;
    border: 1px solid var(--cor-accent);
    border-radius: 6px;
    font-weight: 700;
    text-align: center;
}

.ead-auth-submit:hover {
    color: #fff;
    background: var(--cor-accent);
    box-shadow: none;
}

.ead-auth-footer {
    margin-top: 30px;
    padding-top: 20px;
    text-align: center;
    border-top: 1px solid var(--borda);
}

[data-theme="dark"] .ead-auth-card {
    box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
}

@media (max-width: 520px) {
    .ead-auth-card { padding: 28px 22px; }
}