/* =====================================================
   VARIÁVEIS & RESET
   ===================================================== */
:root {
    --cor-primaria: #1e3d59;
    --cor-secundaria: #f5f0e1;
    --cor-destaque: #ff6e40;
    --cor-sucesso: #2ecc71;
    --cor-erro: #e74c3c;
    --cor-branco: #ffffff;
    --cor-cinza-claro: #f8f9fa;
    --cor-cinza: #6c757d;
    --cor-texto: #2d3436;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--cor-texto);
    background: var(--cor-branco);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--cor-primaria);
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}
/* =====================================================
   IMAGENS GERAIS
   ===================================================== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* =====================================================
   APP BRAND ICONS
   ===================================================== */
.app-brand-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.12));
}

.app-brand-icon-header {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    margin-right: 4px;
    object-fit: contain;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.1));
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.12));
    flex-shrink: 0;
}

/* =====================================================
   SIDEBAR LOGO
   ===================================================== */
.sidebar-mobile .sidebar-logo .app-brand-icon {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* =====================================================
   FOTO PERFIL
   ===================================================== */
.foto-perfil {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--cor-primaria);
}

/* =====================================================
   GALERIA THUMB
   ===================================================== */
.galeria-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =====================================================
   THUMB PEQUENO (GALERIA LISTA)
   ===================================================== */
.galeria-thumb-small .thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =====================================================
   AVATAR IMAGEM
   ===================================================== */
.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* =====================================================
   VIDEO NATIVO
   ===================================================== */
.video-native-element {
    width: 100%;
    height: 100%;
    background: #000;
    display: block;
}

/* =====================================================
   AUDIO
   ===================================================== */
audio {
    width: 100%;
}
/* =====================================================
   BOTÕES (UNIFICADOS)
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-align: center;
    line-height: 1.4;
    text-decoration: none;
}
.btn-primary { background: var(--cor-destaque); color: #ffffff; box-shadow: 0 2px 8px rgba(255,110,64,0.25); }
.btn-primary:hover { background: #e55a2b; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(255,110,64,0.35); color: #ffffff; }
.btn-outline { background: #ffffff; color: #1e3d59; border: 1px solid #e2e8f0; box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
.btn-outline:hover { background: #1e3d59; color: #ffffff; border-color: #1e3d59; transform: translateY(-1px); }
.btn-outline-light { background: rgba(255,255,255,0.08); color: #ffffff; border: 1px solid rgba(255,255,255,0.22); }
.btn-outline-light:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.4); color: #ffffff; transform: translateY(-1px); }
.btn-success { background: #10b981; color: #ffffff; box-shadow: 0 2px 6px rgba(16,185,129,0.25); }
.btn-success:hover { background: #059669; color: #ffffff; transform: translateY(-1px); }
.btn-danger { background: #ef4444; color: #ffffff; box-shadow: 0 2px 6px rgba(239,68,68,0.25); }
.btn-danger:hover { background: #dc2626; color: #ffffff; transform: translateY(-1px); }
.btn-lg { padding: 12px 28px; font-size: 15px; border-radius: 10px; }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 6px; }
.btn-block { width: 100%; padding: 14px; font-size: 16px; margin-top: 5px; }

/* =====================================================
   HEADERS & LAYOUTS (COMPARTILHADO)
   ===================================================== */
.header, .header-landing {
    background: var(--cor-branco);
    border-bottom: 1px solid #e2e8f0;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header { border-bottom: 2px solid var(--cor-secundaria); box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.header-landing { background: rgba(255,255,255,0.96); backdrop-filter: blur(12px); padding: 14px 0; box-shadow: 0 1px 3px rgba(0,0,0,0.02); }
.header-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo h1 { color: var(--cor-primaria); font-size: 24px; font-weight: 700; margin: 0; }
.logo span { font-size: 12px; color: var(--cor-cinza); display: none; }
@media (min-width: 769px) { .logo span { display: inline; } }

.nav { display: flex; align-items: center; gap: 15px; flex-wrap: wrap; }
.nav-link { color: var(--cor-texto); font-weight: 500; padding: 5px 10px; transition: color 0.3s; }
.nav-link:hover { color: var(--cor-destaque); }

/* Landing específicos */
.landing-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.landing-logo-icon { width: 38px; height: 38px; object-fit: contain; filter: drop-shadow(0 2px 6px rgba(30,61,89,0.18)); flex-shrink: 0; }
.landing-logo-text .logo-title { font-size: 19px; font-weight: 800; color: #0f172a; letter-spacing: -0.02em; }
.header-landing .desktop-nav { display: flex; align-items: center; gap: 20px; }
.header-landing .desktop-nav .nav-link { color: #475569; font-weight: 600; font-size: 14px; padding: 6px 12px; border-radius: 8px; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.header-landing .desktop-nav .nav-link:hover,
.header-landing .desktop-nav .nav-link.active { color: #1e3d59; background: #f1f5f9; }
.header-landing-actions { display: flex; align-items: center; gap: 10px; }
.btn-outline-landing { padding: 8px 18px; border-radius: 10px; border: 1px solid #cbd5e1; color: #334155; font-size: 13.5px; font-weight: 600; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.btn-outline-landing:hover { background: #f1f5f9; border-color: #94a3b8; color: #0f172a; }
.btn-primary-landing { padding: 8px 20px; border-radius: 10px; background: #ff6e40; color: #ffffff; font-size: 13.5px; font-weight: 700; transition: all 0.2s; box-shadow: 0 2px 8px rgba(255,110,64,0.35); display: inline-flex; align-items: center; gap: 6px; }
.btn-primary-landing:hover { background: #f45b29; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(255,110,64,0.45); color: #ffffff; }

/* =====================================================
   ADMIN, PROFESSOR, ALUNO (LAYOUTS INTERNOS)
   ===================================================== */
.admin-page, .professor-page, .aluno-page {
    background: #f8fafc;
    min-height: 100vh;
    color: #1e293b;
}

.admin-header, .professor-header, .aluno-header {
    background: #ffffff;
    color: #0f172a;
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}
.admin-header-content, .professor-header-content, .aluno-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.admin-logo, .professor-logo, .aluno-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-logo h1, .professor-logo h1, .aluno-logo h1 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #0f172a;
    margin: 0;
}

.admin-nav, .professor-nav, .aluno-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(0,0,0,0.15);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.05);
}
.admin-nav .nav-link, .professor-nav .nav-link, .aluno-nav .nav-link {
    color: rgba(255,255,255,0.75);
    padding: 7px 14px;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 13px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.admin-nav .nav-link:hover, .professor-nav .nav-link:hover, .aluno-nav .nav-link:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.1);
}
.admin-nav .nav-link.active, .professor-nav .nav-link.active, .aluno-nav .nav-link.active {
    color: #ffffff;
    background: rgba(255,255,255,0.18);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.admin-user, .professor-user, .aluno-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
}
.admin-user span, .professor-user span, .aluno-user span {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

.admin-main, .professor-main, .aluno-main { padding: 35px 0 60px; }
.admin-footer, .professor-footer, .aluno-footer {
    background: #1e3d59;
    color: rgba(255,255,255,0.6);
    padding: 18px 0;
    text-align: center;
    font-size: 13px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* Badges */
.badge-admin, .badge-professor, .badge-aluno {
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border: 1px solid transparent;
}
.badge-admin { background: #fff7ed; color: #ea580c; border-color: #ffedd5; }
.badge-professor { background: #f5f3ff; color: #7c3aed; border-color: #ede9fe; }
.badge-aluno { background: #eff6ff; color: #2563eb; border-color: #dbeafe; }

.page-header, .admin-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 15px;
}
.page-header h2, .admin-page-header h2 {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}
.page-header h2 i, .admin-page-header h2 i {
    width: 38px; height: 38px; border-radius: 10px; background: #eff6ff; color: #2563eb; border: 1px solid #dbeafe;
    display: inline-flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0;
}
.page-header p, .admin-page-header p { font-size: 14px; color: #64748b; margin-top: 4px; }
.header-actions { display: flex; gap: 10px; }

/* =====================================================
   AUTENTICAÇÃO
   ===================================================== */
.auth-page {
    background: linear-gradient(135deg, var(--cor-primaria), #2c5a7a);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-container { max-width: 440px; width: 100%; }
.auth-box { background: var(--cor-branco); border-radius: 16px; padding: 40px 35px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.auth-header { text-align: center; margin-bottom: 30px; }
.auth-header h1 { color: var(--cor-primaria); font-size: 28px; font-weight: 700; }
.auth-header p { color: var(--cor-cinza); font-size: 14px; margin-top: 5px; }
.auth-footer { text-align: center; margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--cor-secundaria); font-size: 12px; color: var(--cor-cinza); }
.auth-links { text-align: center; margin-top: 20px; font-size: 14px; color: var(--cor-cinza); }
.auth-links a { color: var(--cor-destaque); font-weight: 600; }
.auth-links a:hover { text-decoration: underline; }

.alert-blocked { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; display: flex; align-items: center; gap: 10px; padding: 15px; border-radius: 8px; margin-bottom: 15px; }

/* =====================================================
   FORMULÁRIOS, ALERTAS E MODAIS
   ===================================================== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--cor-texto); }
.form-control {
    width: 100%; padding: 10px 14px; border: 1px solid #cbd5e1; border-radius: 10px; font-size: 14px;
    transition: all 0.2s ease; background: #ffffff; color: #0f172a;
}
.form-control:focus { outline: none; border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.12); }
.form-control.is-invalid { border-color: var(--cor-erro); }
.form-help { display: block; font-size: 12px; color: var(--cor-cinza); margin-top: 4px; }
.required { color: var(--cor-erro); font-weight: bold; }
.form-options { display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--cor-cinza); }
.forgot-link { color: var(--cor-destaque); font-weight: 500; }
.forgot-link:hover { text-decoration: underline; }

.form-card { background: var(--cor-branco); padding: 30px; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 24px; }
.form-grid .full-width { grid-column: 1 / -1; }
.form-actions { margin-top: 20px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.alert {
    padding: 12px 16px; border-radius: 8px; margin-bottom: 15px; display: none; align-items: center; gap: 10px; font-size: 14px; opacity: 0; transition: opacity 0.3s;
}
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; display: flex; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; display: flex; }

.modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal-content { background: var(--cor-branco); padding: 30px; border-radius: 12px; max-width: 500px; width: 90%; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.modal-content h3 { margin-top: 0; color: var(--cor-primaria); }
.modal-actions { display: flex; gap: 15px; margin-top: 20px; justify-content: flex-end; }

/* =====================================================
   STATS, DASHBOARD E TABELAS
   ===================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}
.stat-card {
    background: #ffffff; border-radius: 16px; padding: 22px 24px; display: flex; align-items: center; gap: 18px;
    border: 1px solid #e2e8f0; box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    transition: all 0.25s;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 12px 24px -4px rgba(30,61,89,0.1); border-color: #cbd5e1; }
.stat-icon {
    width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0; transition: transform 0.2s;
}
.stat-card:hover .stat-icon { transform: scale(1.05); }
.stat-alunos .stat-icon { background: #eff6ff; color: #2563eb; }
.stat-professores .stat-icon { background: #f5f3ff; color: #7c3aed; }
.stat-cursos .stat-icon { background: #ecfdf5; color: #059669; }
.stat-matriculas .stat-icon { background: #fffbeb; color: #d97706; }
.stat-certificados .stat-icon { background: #fef2f2; color: #e11d48; }
.stat-progresso .stat-icon { background: #fff7ed; color: #ea580c; }

.stat-info { display: flex; flex-direction: column; flex: 1; }
.stat-number { font-size: 28px !important; font-weight: 800 !important; color: #0f172a !important; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 4px; display: block; }
.stat-label { font-size: 12px; font-weight: 600; color: #64748b; text-transform: uppercase; letter-spacing: 0.05em; display: block; }
.stat-sub { font-size: 11.5px; color: #94a3b8; font-weight: 500; margin-top: 3px; display: block; }

.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); gap: 24px; margin-bottom: 28px; }
.dashboard-card {
    background: #ffffff; border-radius: 16px; border: 1px solid #e2e8f0; box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    overflow: hidden; display: flex; flex-direction: column;
}
.dashboard-card.full-width { grid-column: 1 / -1; }
.card-header {
    display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid #f1f5f9; background: #ffffff;
}
.card-header h3 { font-size: 15px; font-weight: 700; color: #0f172a; margin: 0; display: flex; align-items: center; gap: 9px; }
.card-header .btn { padding: 6px 14px; font-size: 12px; font-weight: 600; border-radius: 8px; background: #f8fafc; border: 1px solid #e2e8f0; color: #475569; }
.card-header .btn:hover { background: #1e3d59; border-color: #1e3d59; color: #ffffff; }
.card-body { padding: 0; overflow-x: auto; display: block; flex: 1; }

/* Tabelas */
.table {
    width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13.5px;
}
.table thead th {
    background: #f8fafc; color: #64748b; font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
    padding: 14px 20px; border-bottom: 1px solid #e2e8f0; text-align: left;
}
.table tbody td { padding: 16px 20px; border-bottom: 1px solid #f1f5f9; color: #334155; font-size: 13.5px; font-weight: 500; vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background-color: #f8fafc; }
.table-responsive {
    overflow-x: auto; background: #ffffff; border-radius: 16px; border: 1px solid #e2e8f0; box-shadow: 0 1px 3px rgba(0,0,0,0.03); margin-bottom: 24px;
}
.table td a.btn-sm, .table td button.btn-sm { width: 32px; height: 32px; padding: 0 !important; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; transition: all 0.15s; vertical-align: middle; margin: 0 2px; }
.table td .btn-outline { background: #f8fafc; color: #1e3d59; border: 1px solid #e2e8f0; }
.table td .btn-outline:hover { background: #1e3d59; color: #ffffff; border-color: #1e3d59; transform: translateY(-1px); }
.table td .btn-danger { background: #fef2f2; color: #ef4444; border: 1px solid #fecaca; }
.table td .btn-danger:hover { background: #ef4444; color: #ffffff; border-color: #ef4444; transform: translateY(-1px); }

.btn-status { background: #e3f2fd; color: #1565c0; border: none; cursor: pointer; padding: 4px 10px; border-radius: 4px; font-size: 14px; }
.btn-status:hover { background: #bbdefb; }

/* Status Badges */
.status-badge {
    display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 9999px; font-size: 11.5px; font-weight: 600; line-height: 1; text-transform: capitalize;
}
.status-publicado, .status-ativo, .status-disponivel { background: #ecfdf5 !important; color: #059669 !important; border: 1px solid #a7f3d0 !important; }
.status-rascunho, .status-pendente { background: #fffbeb !important; color: #d97706 !important; border: 1px solid #fde68a !important; }
.status-inativo, .status-expirado, .status-cancelado { background: #fef2f2 !important; color: #dc2626 !important; border: 1px solid #fecaca !important; }
.status-usado { background: #eff6ff !important; color: #2563eb !important; border: 1px solid #bfdbfe !important; }

/* Filtros */
.filters-bar {
    background: #ffffff; padding: 18px 24px; border-radius: 16px; margin-bottom: 22px; border: 1px solid #e2e8f0;
}
.filters-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.filter-group { flex: 1; min-width: 200px; }
.filter-group .form-control { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 10px; padding: 10px 16px; font-size: 13.5px; color: #1e293b; }
.filter-group .form-control:focus { border-color: #1e3d59; box-shadow: 0 0 0 3px rgba(30,61,89,0.1); }

.stats-mini {
    display: flex; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; align-items: center;
}
.stats-mini span {
    background: #ffffff; padding: 7px 16px; border-radius: 9999px; border: 1px solid #e2e8f0; font-size: 12.5px; font-weight: 500; color: #475569; display: inline-flex; align-items: center; gap: 6px;
}
.stats-mini span strong { color: #0f172a; font-weight: 700; }
.stats-mini span.status-ativo { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.stats-mini span.status-inativo { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.stats-mini span.status-pendente, .stats-mini span.status-rascunho { background: #fffbeb; border-color: #fde68a; color: #92400e; }

/* =====================================================
   CURSOS E AULAS
   ===================================================== */
.cursos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
    margin-top: 20px;
}
.curso-card {
    background: #ffffff; border-radius: 16px; overflow: hidden; border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04); transition: all 0.25s; display: flex; flex-direction: column;
}
.curso-card:hover { transform: translateY(-3px); box-shadow: 0 12px 24px -4px rgba(30,61,89,0.1); border-color: #cbd5e1; }
.curso-card-header { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; background: #f8fafc; border-bottom: 1px solid #edf2f7; }
.curso-card-body { padding: 20px; flex: 1; }
.curso-card-body h3 { margin: 0 0 8px; color: #0f172a; font-size: 16px; font-weight: 700; }
.curso-card-body p { color: #64748b; font-size: 13.5px; margin: 0 0 16px; }
.curso-meta { display: flex; align-items: center; gap: 16px; font-size: 12.5px; color: #64748b; flex-wrap: wrap; }
.curso-meta span { display: inline-flex; align-items: center; gap: 5px; }
.curso-card-footer { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; background: #f8fafc; border-top: 1px solid #edf2f7; font-size: 12.5px; font-weight: 600; color: #475569; }
.curso-nivel { font-size: 11.5px; font-weight: 600; padding: 3px 10px; background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 6px; color: #475569; }
.curso-actions { display: flex; gap: 5px; }
.curso-actions .btn { padding: 4px 10px; font-size: 14px; }

.curso-item {
    display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; border-bottom: 1px solid #f1f5f9; gap: 18px;
}
.curso-item:last-child { border-bottom: none; }
.curso-item:hover { background-color: #f8fafc; }
.curso-item.concluido { background: #f8fafc; opacity: 0.9; }
.curso-info { flex: 1; }
.curso-titulo { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.curso-titulo strong { font-size: 14.5px; color: #0f172a; font-weight: 600; }
.curso-progresso { display: flex; align-items: center; gap: 12px; min-width: 150px; }
.curso-progresso .progress-bar { flex: 1; height: 8px; background: #e2e8f0; border-radius: 9999px; overflow: hidden; }
.curso-progresso .progress-fill { height: 100%; background: linear-gradient(90deg, #ff6e40, #ff8c66); border-radius: 9999px; transition: width 0.5s; }
.curso-progresso .progress-text { font-size: 12.5px; font-weight: 700; color: #1e3d59; min-width: 38px; text-align: right; }
.curso-item .curso-action { min-width: 100px; text-align: right; }

.progress-bar { height: 8px; background: #f1f5f9; border-radius: 9999px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 9999px; transition: width 0.4s ease; }
.progress-fill { background: linear-gradient(90deg, #10b981, #059669); }

/* Aulas */
.aulas-lista { background: var(--cor-branco); border-radius: 12px; padding: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-top: 25px; }
.aulas-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid #e9ecef; }
.aulas-header h4 { margin: 0; color: var(--cor-primaria); }
.aulas-grid { display: flex; flex-direction: column; gap: 10px; }
.aula-item {
    display: flex; align-items: center; gap: 15px; padding: 12px 16px; background: #f8f9fa; border-radius: 8px; transition: background 0.3s;
}
.aula-item:hover { background: #e9ecef; }
.aula-item.concluida { background: #e8f5e9; border-left: 3px solid #2ecc71; }
.aula-item.concluida:hover { background: #c8e6c9; }
.aula-ordem { font-weight: 700; color: var(--cor-cinza); min-width: 35px; font-size: 14px; }
.aula-info { flex: 1; }
.aula-titulo { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.aula-titulo strong { font-size: 15px; color: var(--cor-texto); }
.aula-tipo { font-size: 11px; font-weight: 600; padding: 2px 10px; border-radius: 12px; text-transform: uppercase; }
.aula-tipo.tipo-video { background: #e3f2fd; color: #1565c0; }
.aula-tipo.tipo-audio { background: #fce4ec; color: #c62828; }
.aula-tipo.tipo-pdf { background: #fff3e0; color: #e65100; }
.aula-tipo.tipo-html { background: #e8f5e9; color: #2e7d32; }
.aula-meta { display: flex; gap: 15px; font-size: 12px; color: var(--cor-cinza); margin-top: 3px; }
.aula-actions { display: flex; gap: 5px; }

.badge-free { font-size: 10px; font-weight: 700; padding: 2px 10px; border-radius: 12px; background: #d4edda; color: #155724; text-transform: uppercase; }
.badge-concluido { background: #d4edda; color: #155724; padding: 2px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-pendente { background: #fff3cd; color: #856404; padding: 2px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-bloqueado { background: #f8d7da; color: #721c24; padding: 2px 12px; border-radius: 12px; font-size: 12px; font-weight: 600; }

/* =====================================================
   PLAYER
   ===================================================== */
.aluno-player { padding: 10px 0; max-width: 1400px; margin: 0 auto; }
.player-header {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 24px;
    padding: 18px 24px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 16px;
}
.player-header-info h2 { margin: 0 0 8px; color: #0f172a; font-size: 20px; font-weight: 700; }
.player-progresso { display: flex; align-items: center; gap: 12px; font-size: 13px; color: #64748b; flex-wrap: wrap; }
.player-progresso .progress-bar { width: 180px; }
.player-header-actions { display: flex; gap: 10px; align-items: center; }

.player-container {
    background: #ffffff; border-radius: 18px; border: 1px solid #e2e8f0; box-shadow: 0 1px 4px rgba(0,0,0,0.03); overflow: hidden; min-height: 600px;
}
.player-sidebar {
    background: #f8fafc; padding: 20px 16px; border-right: 1px solid #e2e8f0; display: flex; flex-direction: column;
}
.player-sidebar h4 { margin: 0 0 16px; color: #0f172a; font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.aulas-lista-sidebar { display: flex; flex-direction: column; gap: 6px; max-height: 700px; overflow-y: auto; }
.aula-sidebar-item {
    display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; text-decoration: none; color: #334155; transition: all 0.2s; font-size: 13.5px; font-weight: 500; border: 1px solid transparent;
}
.aula-sidebar-item:hover { background: #f1f5f9; color: #0f172a; }
.aula-sidebar-item.active { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; font-weight: 700; box-shadow: 0 2px 6px rgba(37,99,235,0.08); }
.aula-sidebar-item.active .aula-sidebar-numero { background: #2563eb; color: #ffffff; }
.aula-sidebar-item.concluida .aula-sidebar-numero { background: #dcfce7; color: #16a34a; }
.aula-sidebar-item.bloqueado { opacity: 0.45; cursor: not-allowed; }
.aula-sidebar-numero {
    display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%;
    background: #e2e8f0; color: #475569; font-size: 11.5px; font-weight: 700; flex-shrink: 0;
}
.aula-sidebar-titulo { flex: 1; line-height: 1.35; }
.aula-sidebar-status { font-size: 14px; }

.player-content { padding: 32px; display: flex; flex-direction: column; }
.player-aula-header { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid #f1f5f9; }
.player-aula-header h3 { margin: 0 0 10px; color: #0f172a; font-size: 24px; font-weight: 800; }
.aula-header-meta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; font-size: 13px; color: #64748b; }
.player-aula-conteudo { min-height: 350px; margin-bottom: 30px; flex: 1; }
.player-actions { padding-top: 24px; border-top: 1px solid #f1f5f9; }
.player-nav { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.player-nav .btn.disabled { opacity: 0.5; cursor: not-allowed; }

.video-frame-wrapper {
    position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 14px; background: #000000; box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.video-frame-wrapper iframe, .video-frame-wrapper video {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;
}

/* Modo Tela Cheia */
.video-frame-wrapper:fullscreen,
.video-frame-wrapper:-webkit-full-screen,
.video-frame-wrapper:-moz-full-screen,
.video-frame-wrapper:-ms-fullscreen,
.video-frame-wrapper.is-fullscreen {
    padding-bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    border-radius: 0 !important;
    background: #000000 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: none !important;
}
.video-frame-wrapper:fullscreen iframe,
.video-frame-wrapper:fullscreen video,
.video-frame-wrapper:-webkit-full-screen iframe,
.video-frame-wrapper:-webkit-full-screen video,
.video-frame-wrapper.is-fullscreen iframe,
.video-frame-wrapper.is-fullscreen video {
    width: 100% !important;
    height: 100% !important;
    max-height: 100vh !important;
}

/* Badge de Origem do Vídeo (Drive / YouTube / Nativo) */
.video-source-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 25;
    pointer-events: none;
}
.badge-source {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
    transition: all 0.3s ease;
}
.badge-source-drive {
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid rgba(66, 133, 244, 0.5);
    color: #93c5fd;
}
.badge-source-drive i { color: #3b82f6; font-size: 13px; }
.badge-source-youtube {
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #fca5a5;
}
.badge-source-youtube i { color: #ef4444; font-size: 13px; }
.badge-source-native {
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid rgba(16, 185, 129, 0.5);
    color: #6ee7b7;
}
.badge-source-native i { color: #10b981; font-size: 13px; }

/* Botão de Tela Cheia */
.video-fullscreen-btn {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 30;
    background: rgba(15, 23, 42, 0.85);
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 7px 13px;
    cursor: pointer;
    font-size: 12.5px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0.85;
}
.video-frame-wrapper:hover .video-fullscreen-btn {
    opacity: 1;
    background: rgba(15, 23, 42, 0.95);
    border-color: rgba(255, 255, 255, 0.35);
}
.video-fullscreen-btn:hover {
    background: #2563eb !important;
    border-color: #3b82f6 !important;
    color: #ffffff !important;
    transform: scale(1.04);
}
.video-fullscreen-btn i { font-size: 13px; }

@media (max-width: 576px) {
    .video-source-tag { top: 10px; left: 10px; }
    .badge-source { font-size: 10px; padding: 3px 8px; }
    .video-fullscreen-btn { top: 10px; right: 10px; padding: 6px 10px; font-size: 11.5px; }
    .video-fullscreen-btn .fullscreen-label { display: none; }
}

.video-play-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.3); cursor: pointer; z-index: 10; transition: background 0.3s;
}
.video-play-overlay:hover { background: rgba(0,0,0,0.2); }
.video-play-btn {
    width: 80px; height: 80px; border-radius: 50%; background: rgba(255,255,255,0.9); border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 32px; color: var(--cor-primaria); transition: all 0.3s; box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.video-play-btn:hover { transform: scale(1.08); background: #ffffff; box-shadow: 0 8px 30px rgba(0,0,0,0.4); }
.video-play-btn i { margin-left: 4px; }

.player-descricao-card { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 14px; padding: 20px 24px; }
.descricao-card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.descricao-card-header i { color: #2563eb; font-size: 16px; }
.descricao-card-header h4 { margin: 0; color: #0f172a; font-size: 15px; font-weight: 700; }
.descricao-card-body p { margin: 0; color: #475569; line-height: 1.65; font-size: 14px; }

/* =====================================================
   CERTIFICADOS, GALERIA, PERFIL
   ===================================================== */
.certificados-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px;
}
.certificado-card {
    background: var(--cor-branco); border-radius: 12px; padding: 30px 20px; text-align: center; border: 1px solid #e9ecef; transition: transform 0.3s; box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.certificado-card:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.certificado-icon { font-size: 48px; display: block; margin-bottom: 15px; }
.certificado-card h3 { color: var(--cor-primaria); margin: 0 0 8px; }
.certificado-card p { color: var(--cor-cinza); margin: 5px 0; font-size: 14px; }
.certificado-card .btn { margin-top: 15px; }

.certificado-preview { max-width: 900px; margin: 0 auto; }
.certificado-box {
    background: var(--cor-branco); border: 15px solid var(--cor-primaria); border-radius: 16px; padding: 50px 60px; text-align: center; box-shadow: 0 4px 30px rgba(0,0,0,0.1); position: relative;
}
.certificado-box::before { content: ''; position: absolute; top: 20px; left: 20px; right: 20px; bottom: 20px; border: 3px solid var(--cor-destaque); border-radius: 8px; pointer-events: none; }
.certificado-header h1 { color: var(--cor-primaria); font-size: 36px; margin: 0; letter-spacing: 6px; }
.certificado-header h2 { color: var(--cor-destaque); font-size: 22px; margin: 5px 0 20px; letter-spacing: 10px; text-transform: uppercase; border-top: 2px solid var(--cor-secundaria); padding-top: 15px; }
.certificado-body { padding: 20px 0; }
.certificado-body p { font-size: 18px; color: var(--cor-cinza); margin: 8px 0; }
.certificado-body h3 { font-size: 36px; color: var(--cor-primaria); margin: 15px 0; border-bottom: 2px solid var(--cor-destaque); display: inline-block; padding-bottom: 10px; }
.certificado-body h4 { font-size: 28px; color: var(--cor-destaque); margin: 15px 0; }
.certificado-footer { display: flex; justify-content: space-between; align-items: flex-end; border-top: 2px solid var(--cor-primaria); padding-top: 20px; margin-top: 10px; }
.certificado-assinatura { text-align: center; }
.certificado-assinatura .linha { width: 150px; height: 2px; background: var(--cor-primaria); margin: 5px auto; }
.certificado-assinatura p { margin: 3px 0; font-size: 13px; color: var(--cor-cinza); }
.certificado-codigo { text-align: right; font-size: 13px; color: var(--cor-cinza); }
.certificado-codigo strong { color: var(--cor-primaria); }
.certificado-actions { display: flex; gap: 15px; justify-content: center; margin-top: 25px; flex-wrap: wrap; }

/* Galeria */
.galeria-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 15px;
}
.galeria-item {
    background: var(--cor-branco); border-radius: 12px; overflow: hidden; border: 1px solid #e9ecef; box-shadow: 0 2px 10px rgba(0,0,0,0.05); transition: transform 0.3s, box-shadow 0.3s;
}
.galeria-item:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.galeria-thumb { height: 160px; background: #f8f9fa; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.galeria-thumb img { width: 100%; height: 100%; object-fit: cover; }
.galeria-thumb .thumb-icon { font-size: 56px; }
.galeria-info { padding: 15px; }
.galeria-titulo { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 5px; }
.galeria-titulo strong { font-size: 15px; color: var(--cor-primaria); }
.tipo-badge { font-size: 10px; font-weight: 600; padding: 2px 10px; border-radius: 12px; text-transform: uppercase; }
.tipo-badge.tipo-image { background: #e3f2fd; color: #1565c0; }
.tipo-badge.tipo-pdf { background: #fce4ec; color: #c62828; }
.tipo-badge.tipo-video { background: #fff3e0; color: #e65100; }
.tipo-badge.tipo-audio { background: #e8f5e9; color: #2e7d32; }
.tipo-badge.tipo-documento { background: #f3e5f5; color: #6a1b9a; }
.galeria-descricao { font-size: 13px; color: var(--cor-cinza); margin: 5px 0 8px; }
.galeria-meta { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--cor-cinza); }
.galeria-actions { display: flex; gap: 5px; padding: 10px 15px; border-top: 1px solid #e9ecef; background: #f8f9fa; justify-content: flex-end; }
.galeria-actions .btn { padding: 4px 10px; font-size: 13px; }

/* Perfil */
.perfil-grid {
    display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 24px; align-items: start;
}
.perfil-card { background: #ffffff; border-radius: 16px; border: 1px solid #e2e8f0; overflow: hidden; }
.perfil-card-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; border-bottom: 1px solid #f1f5f9; }
.perfil-card-header h3 { margin: 0; color: #0f172a; font-size: 15.5px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.perfil-card-body { padding: 24px; }
.perfil-foto { display: flex; justify-content: center; margin-bottom: 24px; }
.foto-container { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.foto-perfil-wrapper { width: 104px; height: 104px; border-radius: 50%; overflow: hidden; background: #eff6ff; border: 3px solid #dbeafe; box-shadow: 0 4px 14px rgba(30,61,89,0.1); display: flex; align-items: center; justify-content: center; }
.foto-perfil { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; border: 4px solid var(--cor-primaria); }
.foto-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #1e3d59, #2563eb); color: #ffffff; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 800; }

/* Info Card */
.info-card { background: var(--cor-branco); border-radius: 12px; padding: 20px 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.info-row { display: flex; padding: 8px 0; border-bottom: 1px solid #f0f0f0; }
.info-row:last-child { border-bottom: none; }
.info-label { width: 150px; font-weight: 600; color: var(--cor-cinza); font-size: 14px; }
.info-value { flex: 1; font-size: 14px; color: var(--cor-texto); }

/* =====================================================
   EMPTY STATE, QUICK ACTIONS, MATRÍCULA
   ===================================================== */
.empty-state {
    text-align: center; padding: 60px 20px; background: var(--cor-branco); border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.empty-state .empty-icon { font-size: 64px; display: block; margin-bottom: 20px; }
.empty-state h3 { color: var(--cor-primaria); margin-bottom: 10px; }
.empty-state p { color: var(--cor-cinza); margin-bottom: 20px; }
.empty-state.small { padding: 30px 20px; }

.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 20px; margin-top: 25px; }
.quick-card { background: var(--cor-branco); padding: 25px 20px; border-radius: 12px; text-align: center; box-shadow: 0 2px 10px rgba(0,0,0,0.05); transition: transform 0.3s; }
.quick-card:hover { transform: translateY(-3px); }
.quick-card span { font-size: 32px; display: block; margin-bottom: 10px; }
.quick-card h4 { color: var(--cor-primaria); margin: 0 0 5px; }
.quick-card p { font-size: 13px; color: var(--cor-cinza); margin-bottom: 15px; }

.input-group { display: flex; gap: 10px; }
.input-group .form-control { flex: 1; }
.curso-preview { margin-bottom: 25px; }
.curso-preview-card { background: #e8f5e9; border: 2px solid #2ecc71; border-radius: 12px; padding: 20px; }
.curso-preview-card h3 { color: var(--cor-primaria); margin: 0 0 8px; }
.curso-preview-card p { color: var(--cor-cinza); margin: 0 0 12px; }
.curso-preview-meta { display: flex; gap: 20px; font-size: 14px; color: var(--cor-cinza); }

.success-box { text-align: center; padding: 50px 20px; background: var(--cor-branco); border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.success-icon { font-size: 64px; display: block; margin-bottom: 20px; }
.success-box h2 { color: var(--cor-primaria); margin-bottom: 10px; }
.success-box p { color: var(--cor-cinza); margin-bottom: 25px; }
.success-actions { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }

/* =====================================================
   RELATÓRIOS
   ===================================================== */
.chart-bars { padding: 15px 20px; }
.chart-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.chart-bar-label { min-width: 120px; font-size: 13px; color: var(--cor-cinza); font-weight: 500; }
.chart-bar-track { flex: 1; height: 28px; background: #f0f0f0; border-radius: 6px; overflow: hidden; position: relative; }
.chart-bar-fill { height: 100%; background: linear-gradient(90deg, var(--cor-destaque), #ff8a65); border-radius: 6px; display: flex; align-items: center; justify-content: flex-end; padding-right: 8px; transition: width 1s; min-width: 30px; }
.chart-bar-fill .chart-bar-value { font-size: 12px; font-weight: 700; color: var(--cor-branco); }

.rank-list { padding: 5px 0; }
.rank-item { display: flex; align-items: center; gap: 15px; padding: 10px 20px; border-bottom: 1px solid #f0f0f0; }
.rank-item:last-child { border-bottom: none; }
.rank-number { font-size: 14px; font-weight: 700; color: var(--cor-cinza); min-width: 35px; }
.rank-item:nth-child(1) .rank-number { color: #f1c40f; }
.rank-item:nth-child(2) .rank-number { color: #bdc3c7; }
.rank-item:nth-child(3) .rank-number { color: #e67e22; }
.rank-name { flex: 1; font-size: 14px; color: var(--cor-texto); }
.rank-value { font-size: 13px; color: var(--cor-cinza); font-weight: 500; }

.btn-group { position: relative; display: inline-block; }
.dropdown-toggle { cursor: pointer; }
.dropdown-menu { display: none; position: absolute; top: 100%; right: 0; background: var(--cor-branco); min-width: 180px; border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,0.15); padding: 8px 0; z-index: 100; margin-top: 5px; }
.dropdown-menu.show { display: block; }
.dropdown-item { display: block; padding: 8px 20px; color: var(--cor-texto); text-decoration: none; font-size: 14px; transition: background 0.3s; }
.dropdown-item:hover { background: #f8f9fa; color: var(--cor-primaria); }

/* Reports */
.reports-page-container { max-width: 1300px; margin: 0 auto; }
.reports-header-wrapper { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 16px; }
.reports-title-box { display: flex; align-items: center; gap: 14px; }
.reports-icon-badge { width: 44px; height: 44px; border-radius: 12px; background: #eff6ff; color: #2563eb; border: 1px solid #dbeafe; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.reports-title-box h2 { font-size: 20px; font-weight: 700; color: #0f172a; margin: 0; }
.reports-title-box p { font-size: 13px; color: #64748b; margin: 2px 0 0; }
.reports-header-actions { display: flex; align-items: center; gap: 12px; }

.analytics-metrics-row {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px;
}
.analytics-mini-card {
    background: #ffffff; border: 1px solid #e2e8f0; border-radius: 14px; padding: 14px 16px; display: flex; flex-direction: column; justify-content: space-between; transition: transform 0.2s, box-shadow 0.2s;
}
.analytics-mini-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.mini-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.mini-card-head span { font-size: 12.5px; font-weight: 600; color: #64748b; }
.mini-icon-box { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 12px; }
.mini-card-num { font-size: 22px; font-weight: 800; color: #0f172a; letter-spacing: -0.02em; line-height: 1.1; }

.analytics-charts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 24px; }
.analytics-chart-card { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 20px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.chart-card-title { font-size: 14.5px; font-weight: 700; color: #0f172a; align-self: flex-start; margin-bottom: 16px; }

.donut-chart-container { position: relative; width: 140px; height: 140px; margin: 8px auto 16px; display: flex; align-items: center; justify-content: center; }
.donut-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.donut-bg { fill: none; stroke: #f1f5f9; stroke-width: 9; }
.donut-segment { fill: none; stroke-width: 9; stroke-linecap: round; transition: stroke-dasharray 0.8s; }
.donut-segment.color-blue { stroke: #3b82f6; }
.donut-segment.color-emerald { stroke: #10b981; }
.donut-segment.color-purple { stroke: #8b5cf6; }
.donut-center-text { position: absolute; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.donut-number { font-size: 22px; font-weight: 800; color: #0f172a; line-height: 1; }
.donut-label { font-size: 11px; color: #94a3b8; font-weight: 600; margin-top: 2px; text-transform: lowercase; }

.donut-stats-legend { width: 100%; display: flex; flex-direction: column; gap: 8px; margin-top: 8px; padding-top: 12px; border-top: 1px solid #f1f5f9; }
.legend-row { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.legend-text { color: #64748b; flex: 1; text-align: left; }
.legend-val { color: #0f172a; font-weight: 700; }

.chart-metric-stats-row { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; padding-top: 12px; border-top: 1px solid #f1f5f9; }
.chart-metric-item { display: flex; flex-direction: column; align-items: center; }
.metric-val { font-size: 16px; font-weight: 800; line-height: 1.1; }
.metric-lbl { font-size: 11px; color: #64748b; margin-top: 2px; font-weight: 500; }

.analytics-bottom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.popular-courses-bars { display: flex; flex-direction: column; gap: 16px; }
.popular-course-item { display: flex; flex-direction: column; gap: 6px; }
.course-rank-info { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; }
.course-rank-badge { font-size: 11px; font-weight: 800; color: #2563eb; background: #eff6ff; padding: 2px 6px; border-radius: 6px; }
.course-rank-title { color: #0f172a; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-rank-count { color: #64748b; font-weight: 600; font-size: 12px; }
.course-rank-track { width: 100%; height: 8px; background: #f1f5f9; border-radius: 9999px; overflow: hidden; }
.course-rank-fill { height: 100%; border-radius: 9999px; background: linear-gradient(90deg, #3b82f6, #60a5fa); transition: width 0.6s; }

.activity-list { display: flex; flex-direction: column; width: 100%; }
.activity-item {
    display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid #f1f5f9; transition: background-color 0.15s;
}
.activity-item:last-child { border-bottom: none; }
.activity-item:hover { background-color: #f8fafc; }
.activity-content { display: flex; flex-direction: column; gap: 2px; }
.activity-content strong { font-size: 14px; color: #1e293b; font-weight: 600; }
.activity-content span { font-size: 13px; color: #64748b; }
.activity-time { font-size: 12px; color: #94a3b8; font-weight: 500; white-space: nowrap; }

/* Color Tokens */
.bg-blue { background: #eff6ff !important; color: #2563eb !important; }
.bg-purple { background: #f5f3ff !important; color: #7c3aed !important; }
.bg-green { background: #ecfdf5 !important; color: #059669 !important; }
.bg-amber { background: #fffbeb !important; color: #d97706 !important; }
.bg-pink { background: #fdf2f8 !important; color: #db2777 !important; }
.bg-emerald { background: #ecfdf5 !important; color: #10b981 !important; }
.bg-slate { background: #f1f5f9 !important; color: #64748b !important; }
.text-blue { color: #2563eb !important; }
.text-purple { color: #7c3aed !important; }
.text-emerald { color: #10b981 !important; }
.text-amber { color: #d97706 !important; }
.text-slate { color: #64748b !important; }
.text-dark { color: #0f172a !important; }

/* =====================================================
   FÓRUM
   ===================================================== */
.forum-topics-list { display: flex; flex-direction: column; gap: 12px; margin-top: 15px; }
.forum-topic-item {
    display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; transition: all 0.2s; cursor: pointer;
}
.forum-topic-item:hover { border-color: #cbd5e1; box-shadow: 0 4px 12px rgba(0,0,0,0.04); }
.topic-status-icon { font-size: 24px; flex-shrink: 0; }
.topic-info { flex: 1; }
.topic-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.topic-title a { color: #0f172a; }
.topic-title a:hover { color: var(--cor-destaque); }
.topic-title strong { font-size: 15px; }
.topic-meta { display: flex; gap: 16px; font-size: 12px; color: #94a3b8; }
.topic-meta span { display: inline-flex; align-items: center; gap: 4px; }
.topic-last-activity { font-size: 12px; color: #94a3b8; text-align: right; flex-shrink: 0; }

.badge-fixado { background: #fef3c7; color: #d97706; padding: 2px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-fechado { background: #f1f5f9; color: #64748b; padding: 2px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }

.forum-topico-principal { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; margin-bottom: 24px; }
.topico-autor { display: flex; align-items: center; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid #f1f5f9; margin-bottom: 16px; }
.autor-avatar { width: 44px; height: 44px; flex-shrink: 0; }
.avatar-img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.avatar-placeholder {
    width: 44px; height: 44px; border-radius: 50%; background: var(--cor-primaria); color: #ffffff;
    display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700;
}
.autor-info { flex: 1; }
.autor-info strong { display: block; font-size: 14px; color: #0f172a; }
.autor-info small { font-size: 12px; color: #94a3b8; display: inline-block; margin-right: 8px; }
.autor-badge { display: inline-block; padding: 1px 10px; border-radius: 12px; font-size: 10px; font-weight: 600; text-transform: uppercase; }
.autor-badge.admin { background: #fef2f2; color: #dc2626; }
.autor-badge.professor { background: #f5f3ff; color: #7c3aed; }
.autor-badge.aluno { background: #eff6ff; color: #2563eb; }
.topico-conteudo { font-size: 15px; line-height: 1.8; color: #1e293b; white-space: pre-wrap; }
.topico-actions { display: flex; gap: 8px; flex-shrink: 0; }

.forum-respostas { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; margin-bottom: 24px; }
.forum-respostas h4 { margin: 0 0 16px; font-size: 16px; color: #0f172a; }
.forum-resposta-item { padding: 16px 0; border-bottom: 1px solid #f1f5f9; }
.forum-resposta-item:last-child { border-bottom: none; }
.resposta-autor { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.resposta-conteudo { font-size: 14px; line-height: 1.7; color: #1e293b; margin-left: 56px; white-space: pre-wrap; }
.forum-responder { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; }
.forum-responder h4 { margin: 0 0 16px; font-size: 16px; color: #0f172a; }
.forum-fechado-msg { background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; text-align: center; color: #64748b; }

/* =====================================================
   SIDEBAR E MENU MOBILE
   ===================================================== */
.menu-toggle {
    display: none;
    flex-direction: column; justify-content: center; align-items: center; gap: 4px;
    width: 38px; height: 38px; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px;
    cursor: pointer; padding: 0; z-index: 1001; transition: all 0.2s; box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.menu-toggle:hover { background: #f1f5f9; border-color: #cbd5e1; }
.menu-toggle span {
    display: block; width: 18px; height: 2px; background: #334155; border-radius: 2px; transition: all 0.25s; transform-origin: center;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.overlay-mobile {
    display: none; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(15,23,42,0.6); backdrop-filter: blur(4px); z-index: 99998; opacity: 0; transition: opacity 0.3s;
}
.overlay-mobile.active { display: block; opacity: 1; }

.sidebar-mobile {
    position: fixed; top: 0; left: -320px; width: 280px; height: 100vh; background: #1e3d59; color: #ffffff;
    z-index: 99999; transition: left 0.35s; display: flex; flex-direction: column; box-shadow: 10px 0 35px rgba(0,0,0,0.3);
    overflow-y: auto; border-radius: 0 24px 24px 0;
}
.sidebar-mobile.active { left: 0; }
.sidebar-mobile .sidebar-header { display: flex; justify-content: space-between; align-items: center; padding: 22px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-mobile .sidebar-logo { display: flex; align-items: center; gap: 10px; }
.sidebar-mobile .sidebar-logo h2 { font-size: 18px; font-weight: 800; margin: 0; color: #ffffff; letter-spacing: -0.02em; }
.sidebar-mobile .sidebar-close {
    background: rgba(255,255,255,0.1); border: none; color: #ffffff; width: 32px; height: 32px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center; font-size: 20px; cursor: pointer; transition: all 0.2s; line-height: 1;
}
.sidebar-mobile .sidebar-close:hover { background: rgba(255,255,255,0.25); transform: scale(1.05); }
.sidebar-mobile .sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.sidebar-mobile .sidebar-nav a {
    display: flex; align-items: center; gap: 12px; padding: 11px 14px; color: rgba(255,255,255,0.7);
    text-decoration: none; border-radius: 12px; transition: all 0.2s; font-size: 13.5px; font-weight: 600;
}
.sidebar-mobile .sidebar-nav a:hover { background: rgba(255,255,255,0.08); color: #ffffff; transform: translateX(3px); }
.sidebar-mobile .sidebar-nav a.active { background: rgba(255,255,255,0.16) !important; color: #ffffff !important; font-weight: 700 !important; box-shadow: 0 4px 14px rgba(0,0,0,0.16) !important; }
.sidebar-mobile .sidebar-nav .nav-icon { font-size: 16px; width: 22px; display: inline-flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.85); }

.sidebar-home { background: var(--cor-branco) !important; color: var(--cor-texto) !important; }
.sidebar-home .sidebar-header .sidebar-logo h2 { color: var(--cor-primaria); }
.sidebar-home .sidebar-close { color: var(--cor-texto) !important; }
.sidebar-home .sidebar-nav a { color: var(--cor-texto) !important; }
.sidebar-home .sidebar-nav a:hover { background: var(--cor-secundaria) !important; color: var(--cor-primaria) !important; }
.sidebar-home .sidebar-nav a.active { background: var(--cor-secundaria) !important; color: var(--cor-primaria) !important; border-left-color: var(--cor-destaque) !important; }
.sidebar-home .sidebar-nav a .nav-icon { color: var(--cor-primaria); }
.sidebar-home .sidebar-footer { border-top: 2px solid var(--cor-secundaria); color: var(--cor-cinza); }

.menu-toggle-home {
    display: none; flex-direction: column; justify-content: space-between; width: 28px; height: 20px;
    background: transparent; border: none; cursor: pointer; padding: 0; z-index: 1001; margin-right: 10px;
}
.menu-toggle-home span {
    display: block; width: 100%; height: 3px; background: var(--cor-primaria); border-radius: 3px; transition: all 0.3s; transform-origin: center;
}
.menu-toggle-home.active span { background: var(--cor-branco) !important; }
.menu-toggle-home.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle-home.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle-home.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 768px) {
    .menu-toggle-home { display: flex !important; }
    .header { background: var(--cor-branco); box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
    .desktop-nav { display: none !important; }
    .logo { width: 100%; display: flex; align-items: center; gap: 10px; flex: 1; }
    .logo h1 { font-size: 18px; margin: 0; }
    .header-content { flex-wrap: nowrap; gap: 10px; }
}

/* =====================================================
   HERO, CTA, FOOTER (LANDING)
   ===================================================== */
.hero {
    background: linear-gradient(135deg, var(--cor-primaria), #2c5a7a);
    color: var(--cor-branco); padding: 80px 0; text-align: center;
}
.hero-content h2 { font-size: 48px; margin-bottom: 20px; font-weight: 700; }
.hero-content p { font-size: 20px; max-width: 600px; margin: 0 auto 30px; opacity: 0.9; }
.hero-buttons { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }

.hero-landing {
    position: relative; background: linear-gradient(135deg, #080f1e 0%, #102a45 50%, #0c1a30 100%); color: #ffffff;
    padding: 80px 0 130px; overflow: hidden;
}
.hero-ambient-glow { position: absolute; border-radius: 50%; filter: blur(120px); pointer-events: none; opacity: 0.25; }
.glow-top { top: -120px; left: 10%; width: 450px; height: 450px; background: #ff6e40; }
.glow-bottom { bottom: -100px; right: 5%; width: 550px; height: 550px; background: #2563eb; }
.hero-grid-2col { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; position: relative; z-index: 2; }
.hero-pill {
    display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
    border-radius: 9999px; padding: 6px 16px; font-size: 13px; font-weight: 600; color: #e2e8f0; margin-bottom: 24px; backdrop-filter: blur(10px);
}
.hero-pill .pill-badge { background: #ff6e40; color: #ffffff; font-size: 10px; font-weight: 800; padding: 2px 8px; border-radius: 9999px; letter-spacing: 0.04em; }
.hero-headline { font-size: 46px; font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; margin: 0 0 20px; color: #ffffff; }
.hero-subhead { font-size: 17px; line-height: 1.65; color: #cbd5e1; margin: 0 0 32px; }
.hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.btn-hero-primary { padding: 14px 28px; border-radius: 12px; background: #ff6e40; color: #ffffff; font-size: 15px; font-weight: 700; box-shadow: 0 8px 24px rgba(255,110,64,0.4); transition: all 0.25s; display: inline-flex; align-items: center; gap: 8px; }
.btn-hero-primary:hover { background: #f45b29; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255,110,64,0.5); color: #ffffff; }
.btn-hero-outline { padding: 14px 28px; border-radius: 12px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.22); color: #ffffff; font-size: 15px; font-weight: 600; backdrop-filter: blur(8px); transition: all 0.25s; display: inline-flex; align-items: center; gap: 8px; }
.btn-hero-outline:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.4); color: #ffffff; transform: translateY(-2px); }

.hero-social-proof { display: flex; align-items: center; gap: 16px; }
.social-avatars { display: flex; align-items: center; }
.avatar-circle {
    width: 34px; height: 34px; border-radius: 50%; border: 2px solid #0b192c; margin-left: -8px;
    display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #ffffff;
}
.avatar-circle:first-child { margin-left: 0; }
.avatar-circle.a1 { background: #3b82f6; }
.avatar-circle.a2 { background: #10b981; }
.avatar-circle.a3 { background: #8b5cf6; }
.avatar-circle.a4 { background: #ff6e40; }

.social-stars-info { display: flex; flex-direction: column; }
.stars-row { color: #fbbf24; font-size: 13px; display: flex; align-items: center; gap: 3px; }
.stars-row strong { color: #ffffff; margin-left: 4px; font-size: 13px; }
.social-stars-info span { font-size: 12px; color: #94a3b8; }

.hero-visual-col { position: relative; padding: 20px 20px 25px; display: flex; justify-content: center; }
.hero-mockup-card {
    background: rgba(15,23,42,0.85); border: 1px solid rgba(255,255,255,0.15); border-radius: 20px; padding: 20px;
    backdrop-filter: blur(16px); box-shadow: 0 20px 50px rgba(0,0,0,0.4), 0 0 25px rgba(37,99,235,0.18);
    position: relative; width: 100%; max-width: 480px; transform: none !important;
}
.mockup-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 16px; }
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots .dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dots .red { background: #ef4444; }
.mockup-dots .yellow { background: #f59e0b; }
.mockup-dots .green { background: #10b981; }
.mockup-tag { font-size: 11.5px; color: #94a3b8; font-weight: 600; }
.mockup-video-preview {
    height: 180px; border-radius: 12px; background: linear-gradient(135deg, #1e3d59, #0f172a);
    position: relative; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; border: 1px solid rgba(255,255,255,0.1);
}
.mockup-play-btn { width: 50px; height: 50px; border-radius: 50%; background: #ff6e40; color: #ffffff; display: flex; align-items: center; justify-content: center; font-size: 18px; box-shadow: 0 4px 16px rgba(255,110,64,0.5); cursor: pointer; transition: transform 0.2s; }
.mockup-play-btn:hover { transform: scale(1.1); }
.mockup-live-badge { position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,0.6); color: #ef4444; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 6px; display: flex; align-items: center; gap: 5px; }
.mockup-course-details h4 { font-size: 16px; font-weight: 700; color: #ffffff; margin: 0 0 10px; }
.mockup-progress-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.mockup-bar { flex: 1; height: 6px; background: rgba(255,255,255,0.15); border-radius: 9999px; overflow: hidden; }
.mockup-bar-fill { height: 100%; background: linear-gradient(90deg, #10b981, #059669); border-radius: 9999px; }
.mockup-percent { font-size: 12px; font-weight: 700; color: #34d399; }
.mockup-pills { display: flex; gap: 10px; font-size: 12px; color: #94a3b8; }
.mockup-floating-badge {
    position: absolute; background: #ffffff; color: #0f172a; border-radius: 14px; padding: 10px 14px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.25); display: flex; align-items: center; gap: 10px; font-size: 12px; z-index: 10;
}
.mockup-floating-badge strong { display: block; font-size: 12.5px; color: #0f172a; }
.mockup-floating-badge small { color: #64748b; font-size: 11px; }
.badge-top { top: -12px; right: -10px; }
.badge-bottom { bottom: -15px; left: -10px; }

/* =====================================================
   STATS BANNER SECTION (ELEVATED GLASS CONTAINER)
   ===================================================== */
.stats-banner-section {
    margin-top: -55px;
    position: relative;
    z-index: 10;
    padding-bottom: 24px;
}

.stats-glass-card {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 22px;
    box-shadow: 
        0 20px 45px -12px rgba(15, 23, 42, 0.12),
        0 4px 16px -2px rgba(15, 23, 42, 0.04),
        0 0 0 1px rgba(226, 232, 240, 0.7);
    padding: 24px 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.stats-card-border-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(37, 99, 235, 0.7) 25%, 
        rgba(255, 110, 64, 0.85) 50%, 
        rgba(16, 185, 129, 0.7) 75%, 
        transparent 100%
    );
    opacity: 0.9;
}

.stat-card-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 6px 10px;
    position: relative;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Divisores elegantes entre as estatísticas no desktop */
.stat-card-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -10px;
    top: 15%;
    height: 70%;
    width: 1px;
    background: linear-gradient(180deg, transparent, #e2e8f0 30%, #e2e8f0 70%, transparent);
}

.stat-card-item:hover {
    transform: translateY(-2px);
}

.stat-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.stat-card-item:hover .stat-icon-wrapper {
    transform: scale(1.08) rotate(3deg);
}

.stat-blue {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    color: #2563eb;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.16);
}
.stat-green {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    color: #059669;
    box-shadow: 0 6px 16px rgba(5, 150, 105, 0.16);
}
.stat-purple {
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    color: #7c3aed;
    box-shadow: 0 6px 16px rgba(124, 58, 237, 0.16);
}
.stat-orange {
    background: linear-gradient(135deg, #fff7ed, #ffedd5);
    color: #ea580c;
    box-shadow: 0 6px 16px rgba(234, 88, 12, 0.16);
}

.stat-info-wrapper {
    display: flex;
    flex-direction: column;
}

.stat-number-wrapper {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.stat-info-wrapper .stat-number {
    font-size: 28px;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.stat-plus {
    font-size: 19px;
    font-weight: 800;
    color: #ff6e40;
    line-height: 1;
}

.stat-info-wrapper .stat-label {
    font-size: 12.5px;
    font-weight: 600;
    color: #64748b;
    margin-top: 3px;
    letter-spacing: 0.02em;
}

/* =====================================================
   SEÇÃO CURSOS EM DESTAQUE (MODERNO & ELEGANTE)
   ===================================================== */
.destaques-landing {
    padding: 70px 0 85px;
    position: relative;
    background: #ffffff;
}

.section-header-center {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 50px;
    position: relative;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(30, 61, 89, 0.06);
    color: #1e3d59;
    border: 1px solid rgba(30, 61, 89, 0.12);
    padding: 6px 18px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.section-badge i {
    color: #ff6e40;
    font-size: 12px;
}

.section-title-modern {
    font-size: 36px;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.22;
    letter-spacing: -0.03em;
    margin: 0 0 14px;
}

.section-title-modern span {
    background: linear-gradient(135deg, #1e3d59 0%, #ff6e40 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc-modern {
    font-size: 16px;
    color: #64748b;
    line-height: 1.6;
    margin: 0 auto;
}

/* Grade de Cursos */
.courses-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 30px;
}

/* Card do Curso */
.course-card-modern {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.course-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 22px 35px -10px rgba(30, 61, 89, 0.13),
        0 0 0 1px rgba(30, 61, 89, 0.1);
    border-color: #cbd5e1;
}

/* Banner de Cabeçalho do Card */
.course-header-banner {
    height: 170px;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 16px;
    background-size: cover;
    background-position: center;
}

.course-cover-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    z-index: 1;
}

.course-card-modern:hover .course-cover-img {
    transform: scale(1.06);
}

.course-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.35) 0%, rgba(15, 23, 42, 0.1) 40%, rgba(15, 23, 42, 0.6) 100%);
    z-index: 2;
}

/* Marca d'água decorativa */
.course-banner-watermark {
    position: absolute;
    bottom: -15px;
    right: -10px;
    font-size: 110px;
    color: rgba(255, 255, 255, 0.12);
    transform: rotate(-10deg);
    z-index: 1;
    pointer-events: none;
    transition: transform 0.4s ease;
}

.course-card-modern:hover .course-banner-watermark {
    transform: rotate(0deg) scale(1.1);
}

/* Pílulas de Status na Capa */
.course-level-pill,
.course-students-pill {
    position: relative;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 9999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.course-level-pill {
    background: rgba(255, 255, 255, 0.94);
    color: #0f172a;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.course-level-pill i {
    color: #2563eb;
    font-size: 10px;
}

.course-students-pill {
    background: rgba(15, 23, 42, 0.7);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.course-students-pill i {
    color: #38bdf8;
}

/* Corpo do Card */
.course-card-body {
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-instructor {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 8px;
}

.course-instructor i {
    color: #1e3d59;
}

.course-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.35;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 48px;
    transition: color 0.2s ease;
}

.course-card-modern:hover .course-card-title {
    color: #1e3d59;
}

.course-card-desc {
    font-size: 13.5px;
    color: #64748b;
    line-height: 1.55;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

/* Metadados */
.course-card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-top: 1px solid #f1f5f9;
    border-bottom: 1px solid #f1f5f9;
    margin-bottom: 18px;
    font-size: 12.5px;
    color: #64748b;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.meta-item i {
    color: #3b82f6;
    font-size: 13px;
}

.meta-item.meta-clock i {
    color: #f59e0b;
}

.meta-item.meta-cert {
    margin-left: auto;
}

.meta-item.meta-cert i {
    color: #10b981;
}

/* Rodapé do Card */
.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
}

.course-price-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
    padding: 6px 12px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.course-price-badge i {
    font-size: 11px;
}

.btn-course-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #1e3d59;
    color: #ffffff;
    padding: 10px 18px;
    border-radius: 12px;
    font-size: 13.5px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: 0 3px 10px rgba(30, 61, 89, 0.18);
}

.btn-course-action i {
    font-size: 12px;
    transition: transform 0.25s ease;
}

.btn-course-action:hover {
    background: #ff6e40;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(255, 110, 64, 0.35);
}

.btn-course-action:hover i {
    transform: translateX(4px);
}

/* Botão Ver Todos */
.btn-catalog-all {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 34px;
    border-radius: 14px;
    background: #ffffff;
    color: #1e3d59;
    border: 1.5px solid #cbd5e1;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
}

.btn-catalog-all i {
    color: #ff6e40;
    transition: transform 0.25s ease;
}

.btn-catalog-all:hover {
    background: #1e3d59;
    color: #ffffff;
    border-color: #1e3d59;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 61, 89, 0.2);
}

.btn-catalog-all:hover i {
    color: #ffffff;
    transform: translateX(3px);
}

.catalog-btn-wrapper {
    text-align: center;
    margin-top: 52px;
}

.sidebar-copyright {
    font-size: 12px;
    opacity: 0.6;
}

.w-85 {
    width: 85%;
}

/* Estado Vazio */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    background: #f8fafc;
    border: 2px dashed #cbd5e1;
    border-radius: 20px;
    max-width: 540px;
    margin: 0 auto;
}

.empty-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    border-radius: 20px;
    background: #eff6ff;
    color: #2563eb;
    font-size: 28px;
    margin-bottom: 18px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.12);
}

.empty-state h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14.5px;
    color: #64748b;
    margin-bottom: 22px;
}

/* =====================================================
   DIFERENCIAIS LANDING
   ===================================================== */
.diferenciais-landing {
    padding: 85px 0;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.diferenciais-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 26px;
}

.feature-card-modern {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 28px 24px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.feature-card-modern:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
    border-color: #cbd5e1;
}

.feature-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
}

.f-blue { background: #eff6ff; color: #2563eb; }
.f-green { background: #ecfdf5; color: #059669; }
.f-purple { background: #f5f3ff; color: #7c3aed; }
.f-orange { background: #fff7ed; color: #ea580c; }
.f-cyan { background: #ecfeff; color: #0891b2; }
.f-emerald { background: #f0fdf4; color: #16a34a; }

.feature-card-modern h4 {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}

.feature-card-modern p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

.cta-landing { padding: 80px 0; }
.cta-box-modern {
    background: linear-gradient(135deg, #1e3d59 0%, #0f172a 100%); border-radius: 24px; padding: 56px 40px; text-align: center;
    position: relative; overflow: hidden; color: #ffffff; box-shadow: 0 16px 40px rgba(30,61,89,0.25);
}
.cta-mini-tag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 0.08em; color: #ff8c66; margin-bottom: 14px; }
.cta-title-modern { font-size: 34px; font-weight: 800; line-height: 1.25; max-width: 700px; margin: 0 auto 16px; color: #ffffff; }
.cta-desc-modern { font-size: 16px; color: #cbd5e1; max-width: 580px; margin: 0 auto 32px; line-height: 1.6; }
.cta-actions-modern { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.btn-cta-main { padding: 14px 32px; border-radius: 12px; background: #ff6e40; color: #ffffff; font-size: 15px; font-weight: 700; box-shadow: 0 8px 24px rgba(255,110,64,0.4); }

.footer {
    background: var(--cor-primaria); color: var(--cor-branco); padding: 50px 0 20px;
}
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 30px; }
.footer-brand h4 { font-size: 22px; margin-bottom: 8px; }
.footer-brand p { opacity: 0.8; font-size: 14px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.footer-links h5 { margin-bottom: 10px; font-size: 16px; }
.footer-links a { color: rgba(255,255,255,0.7); display: block; font-size: 14px; padding: 4px 0; transition: color 0.3s; }
.footer-links a:hover { color: var(--cor-destaque); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; font-size: 14px; opacity: 0.7; }

.footer-landing {
    background: #0f172a; color: #94a3b8; padding: 70px 0 30px; font-size: 14px;
}
.footer-grid-landing { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-brand-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand-header h4 { font-size: 20px; font-weight: 800; color: #ffffff; margin: 0; }
.footer-col-brand p { line-height: 1.6; max-width: 320px; margin-bottom: 20px; color: #94a3b8; }
.footer-social-icons { display: flex; gap: 10px; }
.footer-social-icons a { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,0.06); color: #cbd5e1; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.footer-social-icons a:hover { background: #ff6e40; color: #ffffff; transform: translateY(-2px); }
.footer-col-links h5 { font-size: 14px; font-weight: 700; color: #ffffff; margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.04em; }
.footer-col-links a { display: block; color: #94a3b8; margin-bottom: 10px; transition: color 0.2s; }
.footer-col-links a:hover { color: #ffffff; transform: translateX(2px); }
.footer-bottom-landing { padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; font-size: 13px; color: #64748b; }

/* =====================================================
   ALUNO - CURSOS PÚBLICOS
   ===================================================== */
.aluno-cursos-publicos .cursos-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 25px; margin-top: 15px;
}
.aluno-cursos-publicos .curso-card {
    background: var(--cor-branco); border-radius: 12px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.05); transition: transform 0.3s, box-shadow 0.3s; display: flex; flex-direction: column;
}
.aluno-cursos-publicos .curso-card:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.aluno-cursos-publicos .curso-card-header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: #f8f9fa; border-bottom: 1px solid #e9ecef; }
.aluno-cursos-publicos .curso-card-body { padding: 16px; flex: 1; }
.aluno-cursos-publicos .curso-card-body h3 { margin: 0 0 8px; color: var(--cor-primaria); font-size: 18px; }
.aluno-cursos-publicos .curso-card-body p { color: var(--cor-cinza); font-size: 14px; margin: 0 0 12px; }
.aluno-cursos-publicos .curso-card-footer { padding: 12px 16px; border-top: 1px solid #e9ecef; display: flex; justify-content: flex-end; background: #f8f9fa; }
.aluno-cursos-publicos .curso-status { display: flex; gap: 8px; flex-wrap: wrap; }
.aluno-cursos-publicos .btn-block { width: 100%; text-align: center; }

.aluno-curso-detalhes .curso-detalhes-container { display: grid; grid-template-columns: 2fr 1fr; gap: 25px; margin-top: 15px; }
.aluno-curso-detalhes .curso-info-card { background: var(--cor-branco); border-radius: 12px; padding: 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.aluno-curso-detalhes .curso-actions-card { background: var(--cor-branco); border-radius: 12px; padding: 25px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); align-self: flex-start; }
.aluno-curso-detalhes .info-row { display: flex; padding: 10px 0; border-bottom: 1px solid #f0f0f0; }
.aluno-curso-detalhes .info-row:last-child { border-bottom: none; }
.aluno-curso-detalhes .info-label { min-width: 120px; font-weight: 600; color: var(--cor-cinza); font-size: 14px; }
.aluno-curso-detalhes .info-value { flex: 1; font-size: 14px; color: var(--cor-texto); }

/* =====================================================
   PWA, NOTIFICAÇÃO E UTILITÁRIOS
   ===================================================== */
.pwa-install-banner {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; background: linear-gradient(135deg, #f8fafc, #edf2f7);
    border: 1px solid #e2e8f0; border-radius: 12px; padding: 14px 16px; margin: 20px 0; transition: all 0.3s;
}
.pwa-install-banner:hover { border-color: #cbd5e1; box-shadow: 0 4px 12px rgba(30,61,89,0.08); }
.pwa-banner-content { display: flex; align-items: center; gap: 12px; text-align: left; }
.pwa-banner-icon { font-size: 22px; color: var(--cor-primaria); background: rgba(30,61,89,0.08); padding: 10px; border-radius: 10px; }
.pwa-banner-content strong { display: block; font-size: 13px; color: var(--cor-primaria); font-weight: 600; }
.pwa-banner-content p { font-size: 11px; color: var(--cor-cinza); margin: 0; }
.btn-pwa-install { background: var(--cor-primaria); color: #ffffff; border-radius: 8px; font-size: 12px; font-weight: 600; padding: 8px 14px; border: none; cursor: pointer; white-space: nowrap; transition: all 0.2s; }
.btn-pwa-install:hover { background: #152c40; transform: translateY(-1px); box-shadow: 0 3px 8px rgba(30,61,89,0.25); }

.notificacao {
    position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); background: #2ecc71; color: #fff;
    padding: 14px 30px; border-radius: 10px; font-weight: 600; box-shadow: 0 8px 30px rgba(46,204,113,0.4); z-index: 9999; transition: opacity 0.4s; font-size: 15px;
}
.text-muted { color: #94a3b8; }

/* =====================================================
   RESPONSIVIDADE
   ===================================================== */
@media (max-width: 991.98px) {
    .hero-grid-2col { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual-col { max-width: 500px; margin: 0 auto; }
    .steps-grid-modern, .testimonials-grid-modern { grid-template-columns: 1fr; gap: 20px; }
    .stats-glass-card { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 22px; }
    .stat-card-item:nth-child(2)::after, .stat-card-item:last-child::after { display: none; }
    .courses-grid-modern { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .footer-grid-landing { grid-template-columns: 1fr 1fr; gap: 30px; }
    .hero-headline { font-size: 34px; }
    .player-container { grid-template-columns: 1fr; }
    .player-sidebar { border-right: none; border-bottom: 1px solid #e9ecef; }
    .aulas-lista-sidebar { max-height: 300px; display: grid; grid-template-columns: 1fr 1fr; gap: 3px; }
    .analytics-charts-grid, .analytics-bottom-grid, .perfil-grid { grid-template-columns: 1fr; }
    .admin-footer, .professor-footer, .aluno-footer, footer.footer, .footer { display: none !important; }
    .desktop-nav { display: none !important; }
    .menu-toggle { display: flex; }
    .sidebar-mobile { border-radius: 0 24px 24px 0 !important; }
    .admin-page .sidebar-mobile, .professor-page .sidebar-mobile, .aluno-page .sidebar-mobile {
        left: -320px !important; border-radius: 0 24px 24px 0 !important; box-shadow: 10px 0 35px rgba(0,0,0,0.3) !important;
    }
}

@media (max-width: 768px) {
    .header-content, .admin-header-content, .professor-header-content, .aluno-header-content { flex-direction: row; justify-content: space-between; align-items: center; }
    .admin-user, .professor-user, .aluno-user { display: none; }
    .hero-content h2 { font-size: 28px; }
    .hero-content p { font-size: 15px; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .footer-content { grid-template-columns: 1fr; text-align: center; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .courses-grid, .cards { grid-template-columns: 1fr; }
    .cta-content h3 { font-size: 24px; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-card { padding: 16px; gap: 12px; }
    .stat-icon { width: 42px; height: 42px; font-size: 18px; }
    .stat-number { font-size: 22px !important; }
    .dashboard-grid, .form-row, .form-grid, .aulas-lista-sidebar { grid-template-columns: 1fr; }
    .player-content { padding: 15px; }
    .player-nav { flex-direction: column; align-items: stretch; }
    .player-nav .btn { text-align: center; }
    .curso-item { flex-direction: column; align-items: stretch; gap: 12px; }
    .curso-progresso { min-width: unset; }
    .curso-meta { flex-wrap: wrap; gap: 10px; }
    .curso-item .curso-action { text-align: left; min-width: unset; }
    .quick-actions { grid-template-columns: 1fr 1fr; }
    .input-group { flex-direction: column; }
    .success-actions { flex-direction: column; align-items: center; }
    .admin-page-header, .page-header { flex-direction: row; justify-content: space-between; align-items: center; width: 100%; }
    .admin-page-header h2, .page-header h2 { font-size: 20px; }
    .filters-bar { padding: 14px 16px; }
    .filters-form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .filters-form .filter-group:nth-child(2) { grid-column: span 2; }
    .filters-form .btn { width: 100%; height: 38px; }
    .stats-mini { gap: 8px; }
    .stats-mini span { padding: 5px 12px; font-size: 11.5px; }
    .galeria-grid, .aluno-cursos-publicos .cursos-grid, .cursos-grid, .certificados-grid { grid-template-columns: 1fr; }
    .certificado-box { padding: 30px 20px; }
    .forum-topic-item { flex-wrap: wrap; }
    .topic-last-activity { width: 100%; text-align: left; padding-left: 40px; }
    .topico-autor { flex-wrap: wrap; }
    .topico-actions { width: 100%; justify-content: flex-start; }
    .resposta-conteudo { margin-left: 0; }
    .aluno-curso-detalhes .curso-detalhes-container { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .stats-glass-card { grid-template-columns: 1fr; gap: 16px; padding: 18px 20px; }
    .stat-card-item::after { display: none !important; }
    .courses-grid-modern { grid-template-columns: 1fr; gap: 20px; }
    .section-title-modern { font-size: 28px; }
    .section-desc-modern { font-size: 14.5px; }
    .footer-grid-landing { grid-template-columns: 1fr; gap: 24px; }
    .hero-headline { font-size: 28px; }
    .hero-subhead { font-size: 15px; }
    .cta-title-modern { font-size: 26px; }
}

@media (max-width: 480px) {
    .hero-content h2 { font-size: 24px; }
    .nav { flex-direction: column; gap: 10px; }
    .btn { padding: 8px 20px; font-size: 13px; }
    .btn-lg { padding: 12px 30px; }
    .auth-box { padding: 30px 20px; }
    .auth-header h1 { font-size: 24px; }
    .form-options { flex-direction: column; gap: 10px; align-items: flex-start; }
    .stats-grid { grid-template-columns: 1fr; }
    .admin-nav .nav-link, .professor-nav .nav-link, .aluno-nav .nav-link { font-size: 12px; padding: 6px 12px; }
    .table { font-size: 12px; }
    .table th, .table td { padding: 8px 10px; }
    .quick-actions { grid-template-columns: 1fr; }
    .curso-preview-card { padding: 15px; }
    .certificado-box { padding: 30px 20px; }
    .video-play-btn { width: 50px; height: 50px; font-size: 20px; }
    .video-fullscreen-btn { padding: 6px 8px; font-size: 12px; bottom: 8px; right: 8px; }
}

/* =====================================================
   DESKTOP VIEW (LATERAL SAAS PANEL)
   ===================================================== */
@media (min-width: 992px) {
    .menu-toggle { display: none !important; }
    .overlay-mobile { display: none !important; }
    .admin-page .sidebar-mobile, .professor-page .sidebar-mobile, .aluno-page .sidebar-mobile {
        left: 0 !important; width: 260px; border-radius: 0 !important; border-right: 1px solid rgba(255,255,255,0.08);
        box-shadow: 1px 0 0 rgba(0,0,0,0.05); z-index: 100; display: flex !important;
    }
    .admin-page .sidebar-mobile .sidebar-close, .professor-page .sidebar-mobile .sidebar-close, .aluno-page .sidebar-mobile .sidebar-close {
        display: none !important;
    }
    .sidebar-home, .home-page .sidebar-mobile, body:not(.admin-page):not(.professor-page):not(.aluno-page) .sidebar-mobile {
        display: none !important; left: -300px !important;
    }

    .admin-header, .professor-header, .aluno-header {
        margin-left: 260px; width: calc(100% - 260px); background: #ffffff; border-bottom: 1px solid #e2e8f0;
    }
    .admin-header h1, .professor-header h1, .aluno-header h1 { display: none; }
    .badge-admin, .badge-professor, .badge-aluno { display: none; }
    .admin-user, .professor-user, .aluno-user { color: #1e293b; margin-left: auto; }
    .admin-user span, .professor-user span, .aluno-user span { color: #475569; font-weight: 600; }
    .admin-user .btn-outline-light, .professor-user .btn-outline-light, .aluno-user .btn-outline-light {
        background: #f8fafc; color: #1e3d59; border: 1px solid #e2e8f0;
    }
    .admin-user .btn-outline-light:hover, .professor-user .btn-outline-light:hover, .aluno-user .btn-outline-light:hover {
        background: #1e3d59; color: #ffffff; border-color: #1e3d59;
    }
    .desktop-nav { display: none !important; }
    .admin-main, .professor-main, .aluno-main {
        margin-left: 260px; width: calc(100% - 260px); min-height: calc(100vh - 70px); background: #f8fafc;
    }
    .admin-footer, .professor-footer, .aluno-footer {
        margin-left: 260px; width: calc(100% - 260px); background: #ffffff; border-top: 1px solid #e2e8f0; color: #64748b;
    }
}

/* =====================================================
   HEADER RIGHT ACTIONS (USER AVATAR & CLEAN UTILITIES)
   ===================================================== */
.header-right-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

/* =====================================================
   USER DROPDOWN WRAPPER
   ===================================================== */
.header-user-dropdown-wrapper {
    position: relative;
}

/* =====================================================
   USER AVATAR BUTTON
   ===================================================== */
.header-user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #0284c7;
    color: #ffffff;
    font-size: 13.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    flex-shrink: 0;
    text-transform: uppercase;
}

.header-user-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.45);
}

/* =====================================================
   USER DROPDOWN MENU
   ===================================================== */
.header-user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 200px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), 0 0 1px rgba(0, 0, 0, 0.15);
    border: 1px solid #e2e8f0;
    padding: 6px;
    display: none;
    flex-direction: column;
    z-index: 100000;
    animation: dropdownSlideDown 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-user-dropdown.show {
    display: flex;
}

/* =====================================================
   HEADER DROPDOWN INFO
   ===================================================== */
.header-dropdown-info {
    padding: 10px 14px 8px;
    display: flex;
    flex-direction: column;
}

.header-dropdown-info strong {
    font-size: 13.5px;
    color: #0f172a;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-dropdown-info span {
    font-size: 11.5px;
    color: #64748b;
    margin-top: 2px;
}

/* =====================================================
   DROPDOWN DIVIDER
   ===================================================== */
.dropdown-divider {
    height: 1px;
    background-color: #f1f5f9;
    margin: 4px 0;
}

/* =====================================================
   DROPDOWN ITEMS
   ===================================================== */
.header-user-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #334155;
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.header-user-dropdown .dropdown-item:hover {
    background-color: #f1f5f9;
}

.header-user-dropdown .dropdown-item.text-danger {
    color: #ef4444;
}

.header-user-dropdown .dropdown-item.text-danger:hover {
    background-color: #fef2f2;
}

.header-user-dropdown .dropdown-item i {
    font-size: 14px;
    width: 18px;
    text-align: center;
}

/* =====================================================
   ANIMAÇÃO DO DROPDOWN
   ===================================================== */
@keyframes dropdownSlideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dropdownSlideUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =====================================================
   SIDEBAR USER DROPDOWN
   ===================================================== */
.sidebar-user-dropdown {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 14px;
    right: 14px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 1px rgba(0, 0, 0, 0.2);
    padding: 6px;
    display: none;
    flex-direction: column;
    z-index: 100000;
    animation: dropdownSlideUp 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-user-dropdown.show {
    display: flex;
}

.sidebar-user-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #334155;
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.sidebar-user-dropdown .dropdown-item:hover {
    background-color: #f1f5f9;
}

.sidebar-user-dropdown .dropdown-item.text-danger {
    color: #ef4444;
}

.sidebar-user-dropdown .dropdown-item.text-danger:hover {
    background-color: #fef2f2;
}

.sidebar-user-dropdown .dropdown-item i {
    font-size: 14px;
    width: 18px;
    text-align: center;
}

/* =====================================================
   SIDEBAR USER CARD
   ===================================================== */
.sidebar-user-section {
    position: relative;
    padding: 14px 14px 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.12);
    margin-top: auto;
}

.sidebar-user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-user-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.user-avatar-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #dbeafe;
    color: #1d4ed8;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.user-info-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.user-info-text .user-name {
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.user-info-text .user-role {
    color: rgba(255, 255, 255, 0.55);
    font-size: 11px;
    font-weight: 500;
    margin-top: 2px;
}

.user-dropdown-arrow {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 11px;
    cursor: pointer;
    padding: 4px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.sidebar-user-card.active .user-dropdown-arrow {
    transform: rotate(180deg);
    color: #ffffff;
}

/* =====================================================
   SIDEBAR & LAYOUT (MOBILE FIRST & DESKTOP SAAS PANEL)
   ===================================================== */

/* =====================================================
   OVERLAY MOBILE
   ===================================================== */
.overlay-mobile {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 99998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.overlay-mobile.active {
    display: block;
    opacity: 1;
}

/* =====================================================
   SIDEBAR DRAWER BASE
   ===================================================== */
.sidebar-mobile {
    position: fixed;
    top: 0;
    left: -320px;
    width: 280px;
    height: 100vh;
    background: #1e3d59;
    color: #ffffff;
    z-index: 99999;
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex !important;
    flex-direction: column;
    box-shadow: 10px 0 35px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
    border-radius: 0 24px 24px 0;
}

.sidebar-mobile.active {
    left: 0;
}

/* =====================================================
   SIDEBAR HEADER
   ===================================================== */
.sidebar-mobile .sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-mobile .sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-mobile .sidebar-logo h2 {
    font-size: 18px;
    font-weight: 800;
    margin: 0;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.sidebar-mobile .sidebar-close {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #ffffff;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
}

.sidebar-mobile .sidebar-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

/* =====================================================
   SIDEBAR NAV
   ===================================================== */
.sidebar-mobile .sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-mobile .sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
    font-size: 13.5px;
    font-weight: 600;
    position: relative;
}

.sidebar-mobile .sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    transform: translateX(3px);
}

.sidebar-mobile .sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.16) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.16) !important;
}

.sidebar-mobile .sidebar-nav a.active .nav-icon {
    color: #ff6e40 !important;
}

.sidebar-mobile .sidebar-nav .nav-icon {
    font-size: 16px;
    width: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s ease;
}

/* =====================================================
   SIDEBAR USER SECTION (RODAPÉ)
   ===================================================== */
.sidebar-user-section {
    position: relative;
    padding: 14px 14px 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.12);
    margin-top: auto;
}

.sidebar-user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-user-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.user-avatar-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #dbeafe;
    color: #1d4ed8;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.user-info-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.user-info-text .user-name {
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.user-info-text .user-role {
    color: rgba(255, 255, 255, 0.55);
    font-size: 11px;
    font-weight: 500;
    margin-top: 2px;
}

.user-dropdown-arrow {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 11px;
    cursor: pointer;
    padding: 4px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.sidebar-user-card.active .user-dropdown-arrow {
    transform: rotate(180deg);
    color: #ffffff;
}

/* =====================================================
   SIDEBAR USER DROPDOWN
   ===================================================== */
.sidebar-user-dropdown {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 14px;
    right: 14px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 1px rgba(0, 0, 0, 0.2);
    padding: 6px;
    display: none;
    flex-direction: column;
    z-index: 100000;
    animation: dropdownSlideUp 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-user-dropdown.show {
    display: flex;
}

.sidebar-user-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #334155;
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.sidebar-user-dropdown .dropdown-item:hover {
    background-color: #f1f5f9;
}

.sidebar-user-dropdown .dropdown-item.text-danger {
    color: #ef4444;
}

.sidebar-user-dropdown .dropdown-item.text-danger:hover {
    background-color: #fef2f2;
}

.sidebar-user-dropdown .dropdown-item i {
    font-size: 14px;
    width: 18px;
    text-align: center;
}

/* =====================================================
   SIDEBAR HOME (VERSÃO BRANCA PARA HOME)
   ===================================================== */
.sidebar-home {
    background: var(--cor-branco) !important;
    color: var(--cor-texto) !important;
}

.sidebar-home .sidebar-header .sidebar-logo h2 {
    color: var(--cor-primaria);
}

.sidebar-home .sidebar-close {
    color: var(--cor-texto) !important;
}

.sidebar-home .sidebar-nav a {
    color: var(--cor-texto) !important;
}

.sidebar-home .sidebar-nav a:hover {
    background: var(--cor-secundaria) !important;
    color: var(--cor-primaria) !important;
}

.sidebar-home .sidebar-nav a.active {
    background: var(--cor-secundaria) !important;
    color: var(--cor-primaria) !important;
    border-left-color: var(--cor-destaque) !important;
}

.sidebar-home .sidebar-nav a .nav-icon {
    color: var(--cor-primaria);
}

.sidebar-home .sidebar-footer {
    border-top: 2px solid var(--cor-secundaria);
    color: var(--cor-cinza);
}

/* =====================================================
   RESPONSIVIDADE - MOBILE
   ===================================================== */
@media (max-width: 991.98px) {
    /* Esconder footer no mobile */
    .admin-footer,
    .professor-footer,
    .aluno-footer,
    footer.footer,
    .footer {
        display: none !important;
    }

    .desktop-nav {
        display: none !important;
    }

    .menu-toggle {
        display: flex !important;
    }

    .sidebar-mobile {
        border-radius: 0 24px 24px 0 !important;
        display: flex !important;
    }

    /* Garantir que o overlay funciona */
    .overlay-mobile {
        display: none !important;
    }
    .overlay-mobile.active {
        display: block !important;
    }
}

/* =====================================================
   MOBILE: SIDEBAR FICA FORA DA TELA POR PADRÃO
   ===================================================== */
@media (max-width: 991.98px) {
    .sidebar-mobile {
        left: -320px !important;
    }
    .sidebar-mobile.active {
        left: 0 !important;
    }
}

/* =====================================================
   DESKTOP: SIDEBAR FIXA À ESQUERDA
   ===================================================== */
@media (min-width: 992px) {
    .menu-toggle {
        display: none !important;
    }

    .overlay-mobile {
        display: none !important;
    }

    .admin-page .sidebar-mobile,
    .professor-page .sidebar-mobile,
    .aluno-page .sidebar-mobile {
        left: 0 !important;
        width: 260px;
        border-radius: 0 !important;
        border-right: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 1px 0 0 rgba(0, 0, 0, 0.05);
        z-index: 100;
        display: flex !important;
        position: fixed !important;
    }

    .admin-page .sidebar-mobile .sidebar-close,
    .professor-page .sidebar-mobile .sidebar-close,
    .aluno-page .sidebar-mobile .sidebar-close {
        display: none !important;
    }

    .sidebar-home,
    .home-page .sidebar-mobile,
    body:not(.admin-page):not(.professor-page):not(.aluno-page) .sidebar-mobile {
        display: none !important;
        left: -300px !important;
    }

    .admin-header,
    .professor-header,
    .aluno-header {
        margin-left: 260px;
        width: calc(100% - 260px);
        background: #ffffff;
        border-bottom: 1px solid #e2e8f0;
    }

    .admin-main,
    .professor-main,
    .aluno-main {
        margin-left: 260px;
        width: calc(100% - 260px);
        min-height: calc(100vh - 70px);
        background: #f8fafc;
    }

    .admin-footer,
    .professor-footer,
    .aluno-footer {
        margin-left: 260px;
        width: calc(100% - 260px);
        background: #ffffff;
        border-top: 1px solid #e2e8f0;
        color: #64748b;
    }

    .admin-header h1,
    .professor-header h1,
    .aluno-header h1 {
        display: none;
    }

    .badge-admin,
    .badge-professor,
    .badge-aluno {
        display: none;
    }

    .admin-user,
    .professor-user,
    .aluno-user {
        color: #1e293b;
        margin-left: auto;
    }

    .admin-user span,
    .professor-user span,
    .aluno-user span {
        color: #475569;
        font-weight: 600;
    }

    .admin-user .btn-outline-light,
    .professor-user .btn-outline-light,
    .aluno-user .btn-outline-light {
        background: #f8fafc;
        color: #1e3d59;
        border: 1px solid #e2e8f0;
    }

    .admin-user .btn-outline-light:hover,
    .professor-user .btn-outline-light:hover,
    .aluno-user .btn-outline-light:hover {
        background: #1e3d59;
        color: #ffffff;
        border-color: #1e3d59;
    }

    .desktop-nav {
        display: none !important;
    }
}

/* =====================================================
   AUTH LOGO LINK (AUTH.PHP)
   ===================================================== */
.auth-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-bottom: 8px;
}

.auth-brand-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px rgba(30, 61, 89, 0.18));
}