/*
 * Academia do Empreendedor — sistema de design "Azulejo" (Fase 2):
 * azul cerâmico #0076b2 + dourado sol português #d4952b + ciano
 * elétrico #4cd7f6, fundo neutro claro, tipografia Plus Jakarta Sans
 * (títulos) / Inter (corpo). Inspirado na azulejaria portuguesa —
 * padrões geométricos, luz mediterrânica, precisão artesanal.
 * Partilhado pelo frontend público e pelo painel do aluno.
 */

:root {
    --color-primary: #0076b2;
    --color-on-primary: #ffffff;
    --color-primary-container: #003a5c;
    --color-on-primary-container: #cce5f5;
    --color-secondary: #a87a0a;
    --color-on-secondary: #ffffff;
    --color-secondary-container: #5c3a00;
    --color-on-secondary-container: #fef0d9;
    --color-tertiary: #4cd7f6;
    --color-on-tertiary: #003640;
    --color-surface: #101415;
    --color-on-surface: #e0e3e5;
    --color-surface-container: #1d2022;
    --color-surface-container-high: #272a2c;
    --color-surface-variant: #323537;
    --color-on-surface-variant: #c8c5cd;
    --color-outline: #47464c;
    --color-outline-variant: #47464c;
    --color-error: #ffb4ab;
    --color-on-error: #690005;
    --color-error-container: #93000a;
    --color-on-error-container: #ffdad6;
    --color-success: #4cd7f6;
    --color-success-container: #003640;
    --color-footer: #0b0f10;
    --gradient-accent: linear-gradient(90deg, #0076b2 0%, #4cd7f6 100%);
    --gradient-btn: linear-gradient(135deg, #0076b2 0%, #4cd7f6 100%);
    --shape-xs: 4px;
    --shape-sm: 8px;
    --shape-md: 12px;
    --shape-lg: 16px;
    --shape-xl: 24px;
    --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    color-scheme: dark;
}

/* Cartao "vidro fosco" translucido — dark glass morphism */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.text-gradient {
    color: var(--color-primary);
}

.btn.gradient {
    background: var(--gradient-btn);
    color: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn.gradient:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(76, 215, 246, 0.3);
    filter: brightness(1.1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100dvh;
}

body {
    font-family: var(--font-body);
    background: var(--color-surface);
    color: var(--color-on-surface);
    overflow-x: hidden;
}

a { color: var(--color-secondary); }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0 0 8px;
    color: var(--color-on-surface);
}

h1 { font-size: 1.875rem; line-height: 2.25rem; }
h2 { font-size: 1.5rem; line-height: 2rem; }
h3 { font-size: 1.125rem; line-height: 1.5rem; }
h4 { font-size: 1rem; line-height: 1.375rem; }
h5 { font-size: 0.8125rem; line-height: 1.25rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-on-surface-variant); }

p { line-height: 1.5rem; }

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 16px;
}

/* App bar (frontend publico) — glass nav fixa */
.app-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.app-bar-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 12px 16px;
    max-width: 1180px;
    margin: 0 auto;
}

.app-bar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.0625rem;
    text-decoration: none;
    color: var(--color-on-surface);
    white-space: nowrap;
}

.app-bar .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.app-bar .brand-name .brand-accent {
    color: var(--color-primary);
}
.brand-accent { color: var(--color-secondary); }

.nav-primary {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-primary a {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 100px;
    color: var(--color-on-surface-variant);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: background 0.15s ease, color 0.15s ease;
}

.nav-primary a:hover { background: rgba(255,255,255,0.08); color: var(--color-on-surface); }
.nav-primary a.active { background: rgba(0,118,178,0.15); color: var(--color-primary); }

.nav-auth {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-wrap: wrap;
}

.nav-auth .nav-link-muted {
    color: var(--color-on-surface-variant);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color 0.15s ease;
}

.nav-auth .nav-link-muted:hover { color: var(--color-tertiary); }

.nav-auth .nav-cta { font-size: 0.8125rem; padding: 9px 20px; }

/* Theme toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: var(--color-on-surface-variant);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s ease, color 0.2s ease;
    margin-left: 8px;
}

.theme-toggle:hover { background: rgba(255,255,255,0.12); color: var(--color-tertiary); }

.theme-toggle-icon { display: block; }

html.light-theme .theme-toggle-sun { display: none; }
html:not(.light-theme) .theme-toggle-moon { display: none; }
html.light-theme .theme-toggle-moon { display: block; }
html:not(.light-theme) .theme-toggle-sun { display: block; }

html.light-theme .theme-toggle { border-color: rgba(0,0,0,0.1); background: rgba(0,0,0,0.04); }
html.light-theme .theme-toggle:hover { background: rgba(0,0,0,0.08); color: var(--color-primary); }

/* Light theme override */
html.light-theme {
    --color-surface: #f5f7fa;
    --color-on-surface: #1a1f2e;
    --color-surface-container: #ffffff;
    --color-surface-container-high: #eef1f5;
    --color-surface-variant: #e2e6ec;
    --color-on-surface-variant: #3d4045;
    --color-outline: #7d828b;
    --color-outline-variant: #dde1e7;
    --color-footer: #0f1a2e;
    color-scheme: light;
}

html.light-theme .glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

html.light-theme .app-bar {
    background: rgba(245, 247, 250, 0.85);
    border-bottom: 1px solid var(--color-outline-variant);
}

html.light-theme .search-form input,
html.light-theme .search-form select {
    border-color: var(--color-outline-variant);
    background: var(--color-surface-container);
    color: var(--color-on-surface);
}

html.light-theme .category-pill {
    border-color: var(--color-outline-variant);
    color: var(--color-on-surface-variant);
}

html.light-theme .category-pill:hover { background: var(--color-surface-container-high); color: var(--color-on-surface); }
html.light-theme .category-pill.active { border-color: var(--color-primary); color: var(--color-primary); }

html.light-theme .glass-panel { background: rgba(255,255,255,0.75); border: 1px solid rgba(255,255,255,0.6); }
html.light-theme .glass-btn { background: rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.1); }
html.light-theme .glass-btn:hover { background: rgba(0,0,0,0.1); border-color: rgba(0,0,0,0.18); }
html.light-theme .course-card-footer { border-top-color: rgba(0,0,0,0.08); }
html.light-theme .course-card:hover { box-shadow: 0 0 0 1px var(--color-primary), 0 12px 40px rgba(0,118,178,0.10); border-color: var(--color-primary); }

/* Spacing utilities */
.mb-16 { margin-bottom: 64px; }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    margin-left: auto;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-on-surface);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.app-bar.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.app-bar.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.app-bar.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 760px) {
    .app-bar-inner { flex-wrap: wrap; }
    .nav-toggle { display: flex; order: 2; margin-left: auto; }
    .brand { order: 1; }
    .nav-primary, .nav-auth {
        flex-basis: 100%;
        order: 3;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding-top: 12px;
        border-top: 1px solid var(--color-outline-variant);
        margin-top: 12px;
    }
    .nav-auth { margin-left: 0; border-top: none; margin-top: 0; padding-top: 8px; }
    .app-bar.nav-open .nav-primary, .app-bar.nav-open .nav-auth { display: flex; }
    .nav-primary a { text-align: left; border-radius: var(--shape-sm); }
    .nav-auth .nav-cta, .nav-auth .nav-link-muted { width: 100%; text-align: center; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 26px;
    border-radius: var(--shape-md);
    border: none;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.25rem;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn:hover { filter: brightness(1.15); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn.outlined {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-outline-variant);
}

.btn.outlined:hover { background: var(--color-surface-container-high); color: var(--color-secondary); }

.btn.text {
    background: transparent;
    color: var(--color-secondary);
    padding: 10px 12px;
}

.btn.text:hover { background: transparent; text-decoration: underline; }

.btn.danger { background: var(--color-error); color: var(--color-on-error); }
.btn.danger:hover { filter: brightness(0.9); }

.admin-root .btn, .app-shell .btn {
    padding: 7px 16px;
    font-size: 0.8125rem;
    border-radius: 8px;
    gap: 6px;
    line-height: 1.15rem;
    vertical-align: middle;
}

.admin-root .btn.text, .app-shell .btn.text {
    padding: 6px 14px;
    font-size: 0.75rem;
    background: var(--color-surface-container-high);
    color: var(--color-on-surface);
    border-radius: 8px;
    font-weight: 600;
}

.admin-root .btn.text:hover, .app-shell .btn.text:hover {
    background: var(--color-outline-variant);
    text-decoration: none;
}

.admin-root .row .field, .app-shell .row .field { margin-bottom: 0; }

.admin-root .btn-sm, .app-shell .btn-sm {
    padding: 5px 12px;
    font-size: 0.75rem;
}

/* Inputs */
.field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
}

.field label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-on-surface-variant);
}

.field input, .field select, .field textarea {
    padding: 12px 16px;
    border-radius: var(--shape-sm);
    border: 1.5px solid var(--color-outline-variant);
    background: var(--color-surface-container-high);
    color: var(--color-on-surface);
    font-size: 0.9375rem;
    font-family: var(--font-body);
    transition: border-color 0.15s ease;
}

.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--color-tertiary);
}

.field textarea { resize: vertical; min-height: 96px; }

.field.row-field {
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.search-form {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.search-form input,
.search-form select {
    padding: 12px 18px;
    border-radius: 100px;
    border: 1.5px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: var(--color-on-surface);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: border-color 0.15s ease;
}

.search-form input:focus,
.search-form select:focus {
    outline: none;
    border-color: var(--color-tertiary);
}

.search-form input { flex: 1 1 240px; }
.search-form select { padding: 12px; border-radius: var(--shape-sm); }

.search-form .btn { flex-shrink: 0; }

/* Cards */
.card {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--shape-xl);
    padding: 20px;
}

.card.elevated { box-shadow: 0 1px 3px rgba(11, 28, 48, 0.08); }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 100px;
    background: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.chip.chip-cert {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.chip.chip-duration {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.badge-error {
    background: var(--color-error-container);
    color: var(--color-on-error-container);
}

.badge-success {
    background: var(--color-success-container);
    color: var(--color-success);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

/*
 * Formulario de credenciais DGERT (Ficha do Formador): grid fixo em
 * vez de "row" com flex-wrap solto — este ultimo deixava os campos
 * espalhados de forma irregular consoante a largura de cada label,
 * com muito espaco morto a direita numa aside larga.
 */
.credentials-form {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px 20px;
    max-width: 720px;
}

.credentials-form > button { grid-column: 1; margin-top: 8px; width: fit-content; }

@media (max-width: 720px) {
    .credentials-form { grid-template-columns: 1fr; }
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.stat-card-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--shape-md);
    background: var(--color-secondary-container);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card-icon.tone-green { background: var(--color-success-container); color: var(--color-success); }
.stat-card-icon.tone-gray { background: var(--color-surface-variant); color: var(--color-on-surface-variant); }
.stat-card-icon.tone-pink { background: var(--color-error-container); color: #c0186b; }

.trend-badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 0.6875rem;
    font-weight: 700;
    background: var(--color-success-container);
    color: var(--color-success);
}

.trend-badge.neutral { background: var(--color-surface-variant); color: var(--color-on-surface-variant); }
.trend-badge.down { background: var(--color-error-container); color: var(--color-error); }

.stat-card-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-on-surface);
}

.stat-card-label { font-size: 0.8125rem; color: var(--color-on-surface-variant); }

.chart-toggle {
    display: inline-flex;
    background: var(--color-surface-variant);
    border-radius: 100px;
    padding: 3px;
    gap: 2px;
}

.chart-toggle button {
    border: none;
    background: transparent;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-on-surface-variant);
    cursor: pointer;
    font-family: var(--font-body);
}

.chart-toggle button.active { background: var(--color-secondary); color: #ffffff; }

.course-thumb {
    width: 40px;
    height: 40px;
    border-radius: var(--shape-sm);
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-tertiary));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
}

.quick-actions-card {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: #ffffff;
    border: none;
}

.quick-actions-card h3 { color: #ffffff; }

.quick-actions-card .btn {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    width: 100%;
    justify-content: flex-start;
    margin-bottom: 8px;
}

.quick-actions-card .btn:hover { background: rgba(255, 255, 255, 0.25); }
.quick-actions-card .btn.solid-white { background: #ffffff; color: var(--color-secondary); }
.quick-actions-card .btn.solid-white:hover { background: #f2f2f2; }

.status-chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.6875rem;
    font-weight: 700;
    background: var(--color-success-container);
    color: var(--color-success);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

@media (max-width: 900px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

.dashboard-list-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-outline-variant);
}

.dashboard-list-row:last-child { border-bottom: none; }

/* Player de aula (estilo Tutor LMS: sidebar de sessoes + player) */
.lesson-player-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 32px;
    align-items: start;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: 0 max(16px, calc((100vw - 1400px) / 2));
    box-sizing: border-box;
}

@media (max-width: 860px) {
    .lesson-player-layout { grid-template-columns: 1fr; }
}

.lesson-sidebar {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--shape-lg);
    padding: 16px;
    position: sticky;
    top: 16px;
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
}

.lesson-sidebar-module-title {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-on-surface-variant);
    padding: 12px 8px 6px;
}

.lesson-sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 8px;
    border-radius: var(--shape-sm);
    text-decoration: none;
    color: var(--color-on-surface);
    font-size: 0.875rem;
}

.lesson-sidebar-item:hover { background: var(--color-surface-container-high); }
.lesson-sidebar-item.active { background: var(--color-secondary-container); color: var(--color-secondary); font-weight: 600; }

.lesson-sidebar-item-icon { color: var(--color-secondary); flex-shrink: 0; display: flex; }
.lesson-sidebar-item-title { flex: 1; }
.lesson-sidebar-item-duration { font-size: 0.75rem; color: var(--color-on-surface-variant); flex-shrink: 0; }
.lesson-sidebar-item-status { color: var(--color-outline); flex-shrink: 0; display: flex; }
.lesson-sidebar-item-status.completed { color: var(--color-success); }

.locked-lesson {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.locked-lesson .icon-lock {
    display: inline-flex;
    opacity: 0.5;
    vertical-align: middle;
}

.instructor-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.instructor-avatar-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.instructor-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-on-surface-variant);
}

.instructor-name {
    font-weight: 700;
    color: var(--color-on-surface);
}

.cert-entity-card {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cert-entity-logo {
    height: 40px;
    flex-shrink: 0;
}

.pricing-card {
    margin-bottom: 24px;
}

.course-card-price-large {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-on-surface);
}

.enroll-panel {
    min-width: 200px;
}

.btn-stack {
    margin-top: 8px;
}

.btn-full {
    width: 100%;
}

.coupon-input {
    width: 100%;
    margin-bottom: 8px;
    padding: 8px 12px;
    border-radius: var(--shape-sm);
    border: 1.5px solid var(--color-outline-variant);
    background: var(--color-surface-container-high);
    color: var(--color-on-surface);
    font-family: var(--font-body);
    font-size: 0.875rem;
}

.coupon-input:focus {
    outline: none;
    border-color: var(--color-tertiary);
}

.card-gap {
    margin-bottom: 16px;
}

.section-title {
    margin-top: 16px;
}

.section-heading-center {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
}

.section-kicker {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secondary);
}

.cta-row {
    justify-content: center;
}

.lesson-video-frame {
    background: #000;
    border-radius: var(--shape-lg);
    overflow: hidden;
    margin-bottom: 16px;
}

.lesson-video-frame video {
    width: 100%;
    max-height: 70vh;
    display: block;
}

.presentation-viewer {
    border: 1.5px solid var(--color-outline-variant);
    border-radius: var(--shape-lg);
    overflow: hidden;
    margin-bottom: 16px;
    background: var(--color-surface-container-high);
}

.presentation-slide-container {
    aspect-ratio: 16 / 9;
    background: #fff;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.slide-inner {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.slide-text {
    position: absolute;
    overflow: hidden;
    line-height: 1.4;
    color: #111;
    font-family: Inter, sans-serif;
    word-wrap: break-word;
    box-sizing: border-box;
    font-size: calc(1px * 18 * var(--pptx-scale, 1));
}

.slide-img {
    position: absolute;
    object-fit: contain;
    pointer-events: none;
}

.presentation-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1.5px solid var(--color-outline-variant);
    background: var(--color-surface-container);
    flex-wrap: wrap;
}

.presentation-controls .flex-spacer { flex: 1; }

.presentation-viewer:fullscreen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #000;
}

.presentation-viewer:fullscreen .presentation-slide-container {
    flex: 1;
    aspect-ratio: 16 / 9;
    max-height: calc(100vh - 64px);
    max-width: 100vw;
    margin: 0 auto;
    width: auto;
    height: 100%;
}

.presentation-viewer:fullscreen .presentation-controls {
    flex: 0 0 auto;
}

.lesson-description { margin-top: 16px; line-height: 1.6; }

.lesson-nav-buttons {
    display: flex;
    justify-content: space-between;
    margin: 24px 0;
}

.entity-seal {
    width: 96px;
    height: 96px;
    border-radius: var(--shape-md);
    border: 1.5px dashed var(--color-outline-variant);
    background-color: var(--color-surface-container-high);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    margin-bottom: 12px;
}

.course-cover {
    border-radius: var(--shape-xl);
    height: 320px;
    margin: 16px 0 24px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-container-high);
}

.course-cover-initials {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-on-surface-variant);
}

.instructor-quote {
    margin: 16px 0 0;
    padding: 4px 0 4px 14px;
    font-style: italic;
    color: var(--color-on-surface);
}

.course-cover-preview {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 16 / 9;
    border-radius: var(--shape-md);
    border: 1.5px dashed var(--color-outline-variant);
    background-color: var(--color-surface-container-high);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

/*
 * Hero — full-screen dark com gradiente, padrão azulejo, vidro fosco
 */
.hero {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    margin-top: -96px;
    margin-bottom: 0;
    padding: calc(140px + 96px) max(48px, calc((100vw - 1180px) / 2 + 48px)) 120px;
    min-height: calc(90vh + 96px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
    position: relative;
    background:
        linear-gradient(160deg, rgba(15, 26, 46, 0.88) 0%, rgba(16, 20, 21, 0.93) 50%, rgba(10, 26, 36, 0.97) 100%),
        url('https://images.unsplash.com/photo-1497366811353-6870744d04b2?auto=format&fit=crop&w=1800&q=80') center/cover no-repeat;
    color: #ffffff;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 640px;
    height: 640px;
    border-radius: 50%;
    bottom: -200px;
    right: -160px;
    background: radial-gradient(circle at 40% 40%, rgba(0, 118, 178, 0.20) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(135deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(225deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 56px 56px;
    background-position: 0 0, 28px 0;
    mask-image: radial-gradient(1000px 600px at 60% 40%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(1000px 600px at 60% 40%, black 20%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero > * { position: relative; z-index: 1; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero h1 {
    color: #ffffff;
    font-size: 3rem;
    line-height: 1.12;
    max-width: 700px;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero h1 .text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1.125rem;
    max-width: 540px;
    margin: 0 0 36px;
    line-height: 1.6;
}

.hero .row { display: flex; gap: 16px; flex-wrap: wrap; }

.hero .btn {
    background: var(--gradient-btn);
    color: #ffffff;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero .btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(76, 215, 246, 0.3);
}

.hero .btn.outlined {
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
}

.hero .btn.outlined:hover {
    background: rgba(255, 255, 255, 0.12);
    box-shadow: none;
}

.hero-stats {
    display: flex;
    gap: 0;
    margin-top: 64px;
    margin-bottom: -96px;
    flex-wrap: wrap;
    border-radius: 16px;
    padding: 28px 8px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 700px) {
    .hero-stats { margin-bottom: -48px; }
}

.hero-stats > div {
    flex: 1 1 140px;
    text-align: center;
    padding: 8px 16px;
    border-left: 1px solid rgba(255,255,255,0.08);
}

.hero-stats > div:first-child { border-left: none; }

.hero-stat-value {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.75rem;
    display: block;
    color: var(--color-tertiary);
}

.hero-stat-label {
    color: var(--color-on-surface-variant);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Vantagens: 3 cartoes glass */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0 48px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 40px 28px;
    transition: background 0.3s ease, transform 0.3s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.feature-card .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.25rem;
}

.feature-card .feature-icon { background: rgba(0, 118, 178, 0.2); color: var(--color-primary); }
.feature-card.highlight .feature-icon { background: rgba(76, 215, 246, 0.15); color: var(--color-tertiary); }

.feature-card h3 { font-size: 1.25rem; margin-bottom: 8px; }
.feature-card p { color: var(--color-on-surface-variant); font-size: 0.9375rem; line-height: 1.6; }
.feature-card.highlight { background: rgba(76, 215, 246, 0.06); border-color: rgba(76, 215, 246, 0.15); }

html.light-theme .feature-card {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
}
html.light-theme .feature-card:hover { background: var(--color-surface-container-high); }
html.light-theme .feature-card.highlight { background: #00497a; border-color: #00497a; }
html.light-theme .feature-card.highlight h3 { color: #ffffff; }
html.light-theme .feature-card.highlight p { color: rgba(255,255,255,0.82); }
html.light-theme .feature-card.highlight .feature-icon { background: rgba(255,255,255,0.18); color: #ffffff; }

/* Testemunhos: 2 cartoes glass */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 24px 0 48px;
}

.testimonial-card {
    border-radius: 16px;
    padding: 40px;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.testimonial-quote-mark {
    position: absolute;
    top: 24px;
    right: 32px;
    font-size: 3.5rem;
    line-height: 1;
    font-weight: 800;
    opacity: 0.15;
}

.testimonial-quote-mark.tone-tertiary { color: var(--color-tertiary); }
.testimonial-quote-mark.tone-secondary { color: var(--color-secondary); }

.testimonial-text {
    font-size: 1.0625rem;
    line-height: 1.55;
    font-style: italic;
    color: var(--color-on-surface);
    margin: 0 0 32px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    background: rgba(255,255,255,0.08);
    color: var(--color-on-surface);
}

.testimonial-avatar.tone-tertiary { border: 2px solid var(--color-tertiary); color: var(--color-tertiary); }
.testimonial-avatar.tone-secondary { border: 2px solid var(--color-secondary); color: var(--color-secondary); }

.testimonial-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.0625rem;
    color: var(--color-on-surface);
}

.testimonial-role {
    font-size: 0.8125rem;
    color: var(--color-on-surface-variant);
}

/* CTA band — gradiente como referencia */
.cta-band {
    background: linear-gradient(135deg, rgba(0, 118, 178, 0.25) 0%, rgba(76, 215, 246, 0.15) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 64px 48px;
    margin: 48px 0 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    top: -200px;
    right: -100px;
    background: radial-gradient(circle, rgba(76, 215, 246, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta-band h2 {
    color: #ffffff;
    margin-bottom: 16px;
    font-size: 2.75rem;
    line-height: 1.15;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

@media (max-width: 700px) {
    .cta-band h2 { font-size: 2rem; }
}
.cta-band p { color: rgba(255, 255, 255, 0.65); margin: 0 auto 24px; max-width: 480px; position: relative; }
.cta-band .btn { background: #ffffff; color: var(--color-primary); font-weight: 700; }
.cta-band .btn:hover { filter: brightness(0.95); background: #ffffff; transform: scale(1.03); }
.cta-band .btn.outlined {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
}
.cta-band .btn.outlined:hover { background: rgba(255, 255, 255, 0.15); color: #ffffff; }

html.light-theme .cta-band { background: #00497a; }

/* Rodape escuro (legado — mantido por compatibilidade) */
.site-footer {
    background: var(--color-footer);
    color: rgba(255, 255, 255, 0.7);
    padding: 40px 24px;
    margin-top: 48px;
    text-align: center;
    font-size: 0.875rem;
}

.site-footer strong { color: #ffffff; }

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin: 40px 0 20px;
}

.section-heading h2 { margin: 0; }

.category-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.category-pill {
    border: 1.5px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.05);
    color: var(--color-on-surface-variant);
    padding: 8px 20px;
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.category-pill:hover { background: rgba(255,255,255,0.10); color: var(--color-on-surface); }
.category-pill.active { border-color: var(--color-tertiary); color: var(--color-tertiary); background: rgba(76,215,246,0.1); }

@media (max-width: 700px) {
    .hero { padding: 40px 24px; }
    .hero h1 { font-size: 2rem; }
}

/* Pagina de Opcoes (estilo Tutor LMS: nav de seccoes + conteudo) */
.settings-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 860px) {
    .settings-layout { grid-template-columns: 1fr; }
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    position: sticky;
    top: 96px;
}

.settings-nav button {
    text-align: left;
    border: none;
    background: transparent;
    padding: 10px 14px;
    border-radius: var(--shape-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-on-surface-variant);
    cursor: pointer;
}

.settings-nav button:hover { background: var(--color-surface-container-high); color: var(--color-on-surface); }
.settings-nav button.active { background: var(--color-secondary-container); color: var(--color-secondary); }

/* Comunidade (Grupos/Fórum) e Mensagens */
.community-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 860px) {
    .community-layout { grid-template-columns: 1fr; }
}

.community-post { margin-bottom: 16px; }

.community-comments {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-outline-variant);
}

.community-comment { margin-bottom: 8px; }

.conversation-messages {
    max-height: 420px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.conversation-message {
    padding: 8px 12px;
    border-radius: var(--shape-sm);
    background: var(--color-surface-container-high);
}

.settings-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-outline-variant);
    cursor: pointer;
}

.settings-toggle-row:last-of-type { border-bottom: none; }
.settings-toggle-label { font-weight: 600; font-size: 0.9375rem; }

input.switch {
    appearance: none;
    width: 42px;
    height: 24px;
    border-radius: 100px;
    background: var(--color-surface-variant);
    border: 1px solid var(--color-outline-variant);
    position: relative;
    cursor: pointer;
    transition: background-color 0.2s ease;
    flex-shrink: 0;
    margin: 0;
}

input.switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(11, 28, 48, 0.3);
    transition: transform 0.2s ease;
}

input.switch:checked { background: var(--color-secondary); border-color: var(--color-secondary); }
input.switch:checked::after { transform: translateX(18px); }

.progress-bar {
    height: 8px;
    border-radius: 100px;
    background: var(--color-surface-variant);
    overflow: hidden;
}

.progress-bar > div {
    height: 100%;
    background: var(--color-tertiary);
    transition: width 0.3s ease;
}

.upload-progress { margin-top: 8px; }
.upload-progress.hidden { display: none; }

.upload-progress-bar {
    height: 8px;
    border-radius: 100px;
    background: var(--color-surface-variant);
    overflow: hidden;
}

.upload-progress-bar > div {
    height: 100%;
    background: var(--color-secondary);
    transition: width 0.2s ease;
}

.upload-progress-label {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
}

.snackbar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-on-primary);
    padding: 12px 20px;
    border-radius: var(--shape-sm);
    font-size: 0.875rem;
    z-index: 100;
    max-width: calc(100% - 32px);
    box-shadow: 0 8px 24px rgba(11, 28, 48, 0.2);
}

.snackbar.error { background: var(--color-error); color: var(--color-on-error); }

.empty-state {
    text-align: center;
    color: var(--color-on-surface-variant);
    padding: 48px 16px;
}

/*
 * Rodape global (todas as paginas do site publico): largura total,
 * cor uniforme #0b0f10 (do topo dos links ate a linha de creditos).
 */
footer.app-footer {
    background: var(--color-footer);
    color: rgba(255, 255, 255, 0.7);
    margin-top: 64px;
}

.app-footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-top: 56px;
    padding-bottom: 40px;
}

.app-footer-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.125rem;
    color: #ffffff;
    margin-bottom: 12px;
}

.app-footer-brand p {
    margin: 0;
    max-width: 320px;
    font-size: 0.875rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.55);
}

.app-footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.app-footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
}

.app-footer-social-link:hover { background: rgba(255,255,255,0.12); color: var(--color-tertiary); }

.app-footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.app-footer-col h5 {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin: 0 0 4px;
}

.app-footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.15s ease;
}

.app-footer-col a:hover { color: var(--color-tertiary); }

.app-footer-newsletter h5 {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin: 0 0 8px;
}

.app-footer-newsletter p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 16px;
}

.app-footer-newsletter-form {
    display: flex;
    gap: 8px;
}

.app-footer-newsletter-form input {
    flex: 1;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.06);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.875rem;
    transition: border-color 0.15s ease;
}

.app-footer-newsletter-form input:focus { outline: none; border-color: var(--color-tertiary); }
.app-footer-newsletter-form input::placeholder { color: rgba(255,255,255,0.3); }

.app-footer-newsletter-form button {
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    background: var(--color-tertiary);
    color: #003640;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.app-footer-newsletter-form button:hover { opacity: 0.85; }

.app-footer-credits {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 16px;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.app-footer-credits a { color: rgba(255, 255, 255, 0.7); }

@media (max-width: 700px) {
    .app-footer-inner { grid-template-columns: 1fr; gap: 28px; }
}

table { width: 100%; border-collapse: collapse; }
table th, table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-outline-variant);
    font-size: 0.875rem;
}

.row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }
.hidden { display: none !important; }
.stars { color: var(--color-tertiary); letter-spacing: 2px; }
.muted { color: var(--color-on-surface-variant); }

/* ------------------------------------------------------------------ */
/* Shell de aplicacao com sidebar (backoffice): layout de SaaS moderno */
/* ------------------------------------------------------------------ */

/*
 * O backoffice replica uma referencia visual especifica (sidebar
 * clara, cards brancos) e tem de parecer identico independentemente
 * do tema claro/escuro do sistema operativo do utilizador — por
 * isso fixa aqui as variaveis de superficie, ignorando a media
 * query prefers-color-scheme definida acima para o resto do site.
 */
/*
 * O backoffice (admin) mantem sempre o tema claro original,
 * independentemente do redesign escuro aplicado ao :root para o
 * site publico/painel do aluno — por isso o <body> do admin/index.php
 * tem sempre a classe "admin-root", que fixa aqui TODAS as variaveis
 * que o redesign alterou, mesmo antes de qualquer .app-shell existir
 * (ex.: o formulario de login, que ainda nao tem sidebar).
 */
.admin-root {
    color-scheme: light;
    --color-primary: #0076b2;
    --color-on-primary: #ffffff;
    --color-primary-container: #e6f2f8;
    --color-on-primary-container: #003a5c;
    --color-secondary: #0076b2;
    --color-on-secondary: #ffffff;
    --color-on-secondary-container: #0076b2;
    --color-tertiary: #7c3aed;
    --color-on-tertiary: #ffffff;
    --color-surface: #f4f6f8;
    --color-on-surface: #0f172a;
    --color-surface-container: #ffffff;
    --color-surface-container-high: #f1f5f9;
    --color-surface-variant: #f1f5f9;
    --color-on-surface-variant: #64748b;
    --color-outline: #94a3b8;
    --color-outline-variant: #e2e8f0;
    --color-secondary-container: #e6f2f8;
    --color-success-container: #e5f6ec;
    --color-success: #0a8a4a;
    --color-error: #c0362c;
    --color-on-error: #ffffff;
    --color-error-container: #fdeeee;
    --color-on-error-container: #c0362c;
    --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Public Sans', system-ui, -apple-system, sans-serif;
    background: var(--color-surface);
    color: var(--color-on-surface);
}

.app-shell {
    display: flex;
    min-height: 100dvh;
    color-scheme: light;
    --color-primary: #0076b2;
    --color-on-primary: #ffffff;
    --color-primary-container: #e6f2f8;
    --color-on-primary-container: #003a5c;
    --color-secondary: #0076b2;
    --color-on-secondary: #ffffff;
    --color-on-secondary-container: #0076b2;
    --color-tertiary: #7c3aed;
    --color-on-tertiary: #ffffff;
    --color-surface: #f4f6f8;
    --color-on-surface: #0f172a;
    --color-surface-container: #ffffff;
    --color-surface-container-high: #f1f5f9;
    --color-surface-variant: #f1f5f9;
    --color-on-surface-variant: #64748b;
    --color-outline: #94a3b8;
    --color-outline-variant: #e2e8f0;
    --color-secondary-container: #e6f2f8;
    --color-success-container: #e5f6ec;
    --color-success: #0a8a4a;
    --color-error: #c0362c;
    --color-on-error: #ffffff;
    --color-error-container: #fdeeee;
    --color-on-error-container: #c0362c;
    --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Public Sans', system-ui, -apple-system, sans-serif;
    background: var(--color-surface);
    color: var(--color-on-surface);
}

/*
 * Redesign do backoffice (Julho 2026): sidebar em navy escuro fixo
 * sobre o resto do tema claro do admin, cantos/inputs/botoes
 * alinhados ao mockup "Academia Admin Redesign". Escopado a
 * ".admin-root" para nao afetar o painel do aluno (".app-shell.dashboard"),
 * que mantem o seu proprio tema.
 */
.admin-root .sidebar {
    width: 224px;
    background: #0a1626;
    border-right: none;
    padding: 22px 10px;
}

.admin-root .sidebar-brand {
    border-bottom: none;
    padding: 4px 10px 24px 10px;
    color: #ffffff;
}

.admin-root .sidebar-brand-sub { color: #5c7189; }

.admin-root .sidebar-cta {
    margin: 0 0 18px;
    border-radius: 10px;
    font-weight: 700;
}

.admin-root .sidebar-nav { padding: 0; gap: 2px; }

.admin-root .sidebar-nav .nav-section-label {
    color: #3d5470;
    padding: 12px 10px 6px;
}

.admin-root .sidebar-nav a {
    color: #9db1c9;
    padding: 9px 10px;
    border-radius: 9px;
    font-size: 0.84375rem;
}

.admin-root .sidebar-nav a:hover { background: #111f33; color: #ffffff; }

.admin-root .sidebar-nav a.active {
    background: var(--color-primary);
    color: #ffffff;
}

.admin-root .sidebar-footer { border-top: 1px solid #16283f; }

.admin-root .sidebar-user .avatar { background: var(--color-primary); color: #ffffff; }
.admin-root .sidebar-user .topbar-user-name { color: #ffffff; }
.admin-root .sidebar-user .topbar-user-role,
.admin-root .sidebar-user a.sidebar-nav-link { color: #5c9fc9 !important; }

.admin-root .topbar { padding: 0 32px; height: 72px; }
.admin-root .topbar h1 { font-family: var(--font-display); font-weight: 800; }

.admin-root .card { border-radius: 16px; }
.admin-root .btn { border-radius: 10px; font-weight: 700; }

.admin-root .field input,
.admin-root .field select,
.admin-root .field textarea,
.admin-root select,
.admin-root input[type="text"],
.admin-root input[type="email"],
.admin-root input[type="number"],
.admin-root input[type="password"],
.admin-root input[type="search"],
.admin-root input[type="date"],
.admin-root input[type="url"] {
    padding: 11px 14px;
    border-radius: 9px;
    border: 1px solid var(--color-outline-variant);
    font-size: 0.84375rem;
}

.admin-root .stat-card-value { font-size: 2.125rem; font-weight: 800; }

.admin-root .quick-actions-card {
    background: #0a1626;
    border-radius: 16px;
}

/*
 * Painel do aluno (".app-shell.dashboard"): reusa a estrutura de
 * layout do .app-shell (sidebar + conteudo) com tema claro Azulejo.
 * As variaveis sao identicas ao :root — esta duplicacao garante
 * isolamento caso o backoffice precise de valores diferentes.
 */
.app-shell.dashboard {
    color-scheme: dark;
    --color-primary: #0076b2;
    --color-on-primary: #ffffff;
    --color-primary-container: #003a5c;
    --color-on-primary-container: #cce5f5;
    --color-secondary: #a87a0a;
    --color-on-secondary: #ffffff;
    --color-secondary-container: #5c3a00;
    --color-on-secondary-container: #fef0d9;
    --color-tertiary: #4cd7f6;
    --color-on-tertiary: #003640;
    --color-surface: #101415;
    --color-on-surface: #e0e3e5;
    --color-surface-container: #1d2022;
    --color-surface-container-high: #272a2c;
    --color-surface-variant: #323537;
    --color-on-surface-variant: #c8c5cd;
    --color-outline: #47464c;
    --color-outline-variant: #47464c;
    --color-error: #ffb4ab;
    --color-on-error: #690005;
    --color-error-container: #93000a;
    --color-on-error-container: #ffdad6;
    --color-success: #4cd7f6;
    --color-success-container: #003640;
    --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: calc(100dvh - 57px);
}

html.light-theme .app-shell.dashboard {
    color-scheme: light;
    --color-primary: #0076b2;
    --color-on-primary: #ffffff;
    --color-primary-container: #cce5f5;
    --color-on-primary-container: #003a5c;
    --color-secondary: #a87a0a;
    --color-on-secondary: #ffffff;
    --color-secondary-container: #fef0d9;
    --color-on-secondary-container: #5c3a00;
    --color-tertiary: #4cd7f6;
    --color-on-tertiary: #003640;
    --color-surface: #f5f7fa;
    --color-on-surface: #1a1f2e;
    --color-surface-container: #ffffff;
    --color-surface-container-high: #eef1f5;
    --color-surface-variant: #e2e6ec;
    --color-on-surface-variant: #3d4045;
    --color-outline: #7d828b;
    --color-outline-variant: #dde1e7;
    --color-error: #ba1a1a;
    --color-on-error: #ffffff;
    --color-error-container: #fde2ec;
    --color-success: #0f7a55;
    --color-success-container: #d3f5e8;
    --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

.sidebar {
    width: 264px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-surface-container);
    color: var(--color-on-surface-variant);
    border-right: 1px solid var(--color-outline-variant);
    position: sticky;
    top: 0;
    height: 100dvh;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 22px 20px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-on-surface);
    border-bottom: 1px solid var(--color-outline-variant);
}

.sidebar-brand .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: var(--shape-sm);
    background: var(--color-primary);
    color: var(--color-on-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-brand-sub {
    display: block;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
}

.sidebar-cta {
    margin: 4px 12px 8px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 4px 8px 12px;
    flex: 1;
}

.sidebar-nav .nav-section-label {
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-outline);
    padding: 12px 10px 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: var(--shape-sm);
    color: var(--color-on-surface-variant);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 600;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.sidebar-nav a .nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    flex-shrink: 0;
}

.sidebar-nav a .nav-icon svg { color: inherit; }

.sidebar-nav a:hover {
    background: var(--color-surface-container-high);
    color: var(--color-on-surface);
}

.sidebar-nav a.active {
    background: rgba(168, 122, 10, 0.12);
    color: var(--color-secondary);
    font-weight: 700;
}

@media (max-width: 1100px) {
    .sidebar-nav a { font-size: 0.75rem; padding: 5px 8px; gap: 6px; }
    .sidebar-nav a .nav-icon { width: 16px; }
    .sidebar-nav .nav-section-label { font-size: 0.5625rem; padding: 10px 8px 3px; }
}

@media (max-width: 860px) {
    .sidebar-nav { flex-direction: row; padding: 6px; gap: 1px; }
    .sidebar-nav .nav-section-label { display: none; }
    .sidebar-nav a { font-size: 0.75rem; padding: 6px 8px; white-space: nowrap; }
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--color-outline-variant);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    font-size: 0.8125rem;
    color: var(--color-on-surface-variant);
}

.sidebar-user .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-secondary-container);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    font-size: 0.75rem;
}

.sidebar-nav-link { color: var(--color-on-surface-variant) !important; }
.sidebar-nav-link:hover { color: var(--color-on-surface) !important; }

.app-shell-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 32px;
    border-bottom: 1px solid var(--color-outline-variant);
    background: var(--color-surface-container);
    position: sticky;
    top: 0;
    z-index: 5;
}

.topbar h1 {
    font-size: 1.25rem;
    margin: 0;
}

.topbar-search {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    max-width: 420px;
    padding: 10px 14px;
    border-radius: 100px;
    background: var(--color-surface-variant);
    color: var(--color-on-surface-variant);
}

.topbar-search input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.875rem;
    font-family: var(--font-body);
    color: var(--color-on-surface);
    width: 100%;
}

.topbar-search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-radius: 12px;
    box-shadow: 0 16px 32px rgba(11, 28, 48, 0.16);
    overflow: hidden;
    z-index: 40;
    max-height: 360px;
    overflow-y: auto;
}

.topbar-search-group-label {
    padding: 10px 16px 4px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-on-surface-variant);
}

.topbar-search-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 0.875rem;
    color: var(--color-on-surface);
    text-decoration: none;
}

.topbar-search-item:hover {
    background: var(--color-surface-variant);
}

.topbar-search-item small {
    display: block;
    color: var(--color-on-surface-variant);
    font-size: 0.75rem;
}

.topbar-search-empty {
    padding: 14px 16px;
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

.topbar-bell {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-on-surface-variant);
    background: var(--color-surface-variant);
    flex-shrink: 0;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-user .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-secondary-container);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.topbar-user-name { font-size: 0.8125rem; font-weight: 700; color: var(--color-on-surface); line-height: 1.2; }
.topbar-user-role { font-size: 0.6875rem; color: var(--color-on-surface-variant); line-height: 1.2; }

.app-shell-content {
    flex: 1;
    padding: 32px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@media (max-width: 860px) {
    .app-shell { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        flex-direction: row;
        overflow-x: auto;
    }
    .sidebar-brand { border-bottom: none; border-right: 1px solid var(--color-outline-variant); }
    .sidebar-nav { flex-direction: row; padding: 8px; }
    .sidebar-nav .nav-section-label { display: none; }
    .sidebar-footer { border-top: none; }
    .app-shell-content { padding: 20px; }
    .topbar { padding: 16px 20px; }
    .topbar-search { display: none; }
}

/* Cards com hover, tabelas mais respiraveis (backoffice) */
.card.interactive {
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card.interactive:hover {
    box-shadow: 0 12px 24px rgba(11, 28, 48, 0.1);
    transform: translateY(-2px);
}

.data-table {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--shape-lg);
    overflow: hidden;
}

.data-table table { margin: 0; }

.data-table th {
    background: var(--color-surface-container-high);
    font-weight: 700;
    color: var(--color-on-surface-variant);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.data-table tr:last-child td { border-bottom: none; }

.page-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.page-header h1 { margin: 0; }
.page-header p { margin: 4px 0 0; }

/* ------------------------------------------------------------------ */
/* Cards de curso (frontend publico): banner, categoria, preco + CTA  */
/* ------------------------------------------------------------------ */

.course-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.course-card:hover {
    box-shadow: 0 0 20px rgba(76, 215, 246, 0.15);
    border-color: rgba(76, 215, 246, 0.3);
    transform: translateY(-4px);
}

.course-card-banner {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.85);
    background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
    overflow: hidden;
    position: relative;
}

.course-card-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.course-card:hover .course-card-banner img { transform: scale(1.08); }

.course-card-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 14px;
}

.course-card-body { padding: 20px; }

.course-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
}

.course-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    transition: color 0.2s ease;
}

.course-card:hover h3 { color: var(--color-tertiary); }

.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    margin-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.course-card-price {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff;
}

.course-card-price-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
}

.course-card .btn {
    background: transparent;
    color: var(--color-tertiary);
    padding: 0;
    font-size: 0.8125rem;
    font-weight: 600;
    gap: 4px;
}

.course-card .btn::after {
    content: '→';
    transition: transform 0.2s ease;
}

.course-card:hover .btn::after { transform: translateX(4px); }

html.light-theme .course-card {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
}
html.light-theme .course-card:hover { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary), 0 16px 32px rgba(11, 28, 48, 0.12); }
html.light-theme .course-card:hover h3 { color: var(--color-primary); }
html.light-theme .course-card-price { color: var(--color-primary); }
html.light-theme .course-card .btn { color: var(--color-primary); }
html.light-theme .course-card-footer { border-top-color: var(--color-outline-variant); }

/* ------------------------------------------------------------------ */
/* Construtor de curso em passos (backoffice)                          */
/* ------------------------------------------------------------------ */

.wizard-header {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-outline-variant);
}

.wizard-steps {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wizard-step {
    background: transparent;
    border: none;
    padding: 6px 4px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-on-surface-variant);
    cursor: pointer;
}

.wizard-step.active {
    color: var(--color-secondary);
    border-bottom: 2px solid var(--color-secondary);
}

.wizard-step-sep { color: var(--color-outline-variant); }

.lesson-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 4px;
    border-bottom: 1px solid var(--color-outline-variant);
    font-size: 0.9375rem;
}

.lesson-row:last-child { border-bottom: none; }
.lesson-row .lesson-icon { font-size: 1.125rem; }

/*
 * Nao dar "margin-left: auto" tambem ao ".lesson-type" — so as acoes
 * (ultimo elemento da linha) devem ter margem automatica. Com os dois
 * a competir pelo mesmo espaco livre, "Video"/"Texto" (largura
 * variavel consoante o tipo) empurrava as acoes para logo a seguir a
 * si em vez de ficarem encostadas ao fim da linha — cada lição
 * acabava com os botoes numa posição horizontal diferente (zigue-zague),
 * desalinhados entre si e com os botoes do cabecalho do modulo.
 */
.lesson-row .lesson-type { flex-shrink: 0; }

.module-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-outline-variant);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 28, 48, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 24px;
}

.modal-overlay.hidden { display: none; }

.modal-dialog {
    background: var(--color-surface-container);
    border-radius: var(--shape-xl);
    padding: 28px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 48px rgba(11, 28, 48, 0.3);
}

.modal-dialog-header {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.modal-dialog-header h3 { margin: 0; }

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-on-surface-variant);
    margin-left: auto;
}

/* Certificate Builder */
.builder-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.builder-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.builder-canvas-wrapper {
    flex: 1;
    min-width: 0;
}

.builder-canvas {
    position: sticky;
    top: 24px;
    padding: 24px;
    background: var(--color-surface-variant);
    border-radius: var(--shape-md);
}

.canvas-inner {
    position: relative;
}

.canvas-element:hover {
    border-color: var(--color-secondary) !important;
    background: rgba(100, 66, 214, 0.08) !important;
}

.bg-preview {
    width: 100%;
    height: 100px;
    border-radius: var(--shape-xs);
    border: 1px solid var(--color-outline-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
    background-size: cover;
    background-position: center;
}

.cert-template-preview {
    border: 1px solid var(--color-outline-variant);
}

#element-editor-modal .modal-dialog {
    max-width: 420px;
}

@media (max-width: 900px) {
    .builder-layout {
        flex-direction: column;
    }
    .builder-sidebar {
        width: 100%;
    }
}

/* ------------------------------------------------------------------ */
/* Dashboard do aluno (estilo Tutor LMS Pro): sidebar + conteudo      */
/* ------------------------------------------------------------------ */

.app-shell.dashboard {
    min-height: calc(100dvh - 57px);
}

.app-shell.dashboard .sidebar {
    background: var(--color-surface);
}

.app-shell.dashboard .sidebar-footer .sidebar-user {
    padding: 0;
}

.app-shell.dashboard .sidebar-footer .topbar-user-name {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-on-surface);
    line-height: 1.2;
}

.app-shell.dashboard .sidebar-footer .topbar-user-role {
    font-size: 0.6875rem;
    color: var(--color-on-surface-variant);
    line-height: 1.2;
}

.continue-card {
    border-radius: var(--shape-xl);
    padding: 32px;
    margin-bottom: 24px;
}

.continue-card-body { max-width: 560px; }
.continue-card-body h2 { margin: 12px 0 0; font-size: 1.75rem; }

/* Lista de cursos no dashboard */
.dash-course-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.dash-course-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    transition: box-shadow 0.2s ease;
}

.dash-course-row:hover {
    box-shadow: 0 4px 12px rgba(11, 28, 48, 0.1);
}

.dash-course-thumb {
    width: 80px;
    height: 60px;
    border-radius: var(--shape-sm);
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.dash-course-thumb--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary-container));
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
}

.dash-course-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.dash-course-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-on-surface);
    text-decoration: none;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dash-course-title:hover {
    color: var(--color-secondary);
}

.dash-course-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dash-course-action {
    flex-shrink: 0;
}

.course-meta-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
}

.course-instructor,
.course-cert-entity,
.course-rating {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.course-rating svg {
    vertical-align: middle;
}

.course-summary {
    font-size: 0.8125rem;
    color: var(--color-on-surface-variant);
    line-height: 1.45;
    margin: 0;
}

.course-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--color-surface-container-high);
    color: var(--color-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-chip.active {
    background: var(--color-secondary-container);
    color: var(--color-secondary);
}

/* Abas de filtro (cursos) */
.dash-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--color-surface-variant);
    border-radius: var(--shape-md);
    padding: 4px;
    width: fit-content;
}

.dash-tab {
    padding: 8px 16px;
    border-radius: var(--shape-sm);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-on-surface-variant);
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.dash-tab:hover {
    color: var(--color-on-surface);
}

.dash-tab.active {
    background: var(--color-surface-container);
    color: var(--color-secondary);
    box-shadow: 0 1px 3px rgba(11, 28, 48, 0.1);
}

/* Cartões de certificado */
.dash-cert-card {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.dash-cert-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--shape-md);
    background: var(--color-secondary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dash-cert-info {
    flex: 1;
    min-width: 0;
}

.dash-cert-info h3 {
    margin: 0 0 2px;
    font-size: 1rem;
}

.dash-cert-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* Responsivo: ecras pequenos */
@media (max-width: 860px) {
    .app-shell.dashboard {
        min-height: auto;
    }

    .app-shell.dashboard #dash-sidebar {
        width: 100%;
        height: auto;
        position: static;
        flex-direction: column;
        border-right: none;
        border-bottom: 1px solid var(--color-outline-variant);
    }

    .app-shell.dashboard .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 4px 12px;
        gap: 2px;
    }

    .app-shell.dashboard .sidebar-nav .nav-section-label {
        display: none;
    }

    .app-shell.dashboard .sidebar-nav a {
        white-space: nowrap;
        font-size: 0.75rem;
        padding: 8px 10px;
    }

    .app-shell.dashboard .sidebar-nav .nav-icon {
        display: none;
    }

    .app-shell.dashboard .sidebar-footer {
        border-top: none;
        padding: 8px 12px;
    }

    .dash-course-row {
        flex-wrap: wrap;
    }

    .dash-course-thumb {
        width: 64px;
        height: 48px;
    }

    .dash-course-action {
        width: 100%;
        margin-top: 4px;
    }

    .dash-course-action .btn {
        width: 100%;
        text-align: center;
    }

    .dash-tabs {
        width: 100%;
        overflow-x: auto;
    }

    .dash-cert-card {
        flex-wrap: wrap;
    }

    .dash-cert-actions {
        width: 100%;
    }

    .dash-cert-actions .btn {
        flex: 1;
        text-align: center;
    }
}

/* ------------------------------------------------------------------ */
/* Catalog page (#/catalogo)                                           */
/* ------------------------------------------------------------------ */

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

.catalog-hero {
    position: relative;
    text-align: center;
    padding: 64px 0 40px;
    margin: -24px -16px 0;
    overflow: hidden;
}

.catalog-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        linear-gradient(135deg, rgba(0,118,178,0.04) 1px, transparent 1px),
        linear-gradient(225deg, rgba(0,118,178,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    background-position: 0 0, 24px 0;
}

.catalog-hero-circle {
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(0,118,178,0.07) 0%, transparent 65%);
    top: -200px;
    right: -120px;
    pointer-events: none;
}

.catalog-hero > .container { position: relative; z-index: 1; }

.catalog-badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.catalog-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.catalog-hero > .container > p {
    max-width: 600px;
    margin: 0 auto 32px;
    color: var(--color-on-surface-variant);
    line-height: 1.6;
}

.catalog-stats {
    display: inline-flex;
    gap: 32px;
    padding: 16px 32px;
    margin: 0 auto;
    border-radius: var(--shape-xl);
}

.catalog-stats > div {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.catalog-stats .hero-stat-value {
    color: var(--color-primary);
    font-size: 1.5rem;
}

/* Section divider (diamond ornament) */
.section-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 28px 0 20px;
}

.section-divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-outline-variant), transparent);
}

.section-divider-icon {
    color: var(--color-secondary);
    font-size: 0.625rem;
    opacity: 0.4;
    flex-shrink: 0;
}

.catalog-filters-bar {
    padding: 20px 24px;
    margin-bottom: 32px;
    border-radius: var(--shape-xl);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.catalog-filters-bar .category-pills {
    overflow-x: auto;
    display: flex;
    gap: 8px;
    padding-bottom: 4px;
}

.catalog-filters-bar .search-form {
    display: flex;
    gap: 12px;
    align-items: center;
}

@media (max-width: 600px) {
    .catalog-filters-bar .search-form { flex-direction: column; }
    .catalog-filters-bar .search-form .btn { width: 100%; }
}

.glass-btn {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--color-on-surface);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.glass-btn:hover { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.25); }

.search-input-wrapper {
    position: relative;
    flex: 1 1 240px;
}

.search-input-wrapper svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-on-surface-variant);
    pointer-events: none;
}

.search-input-wrapper input {
    padding-left: 42px;
    width: 100%;
}

/* Course card */
.course-card {
    animation: card-enter 0.45s ease-out both;
}

.course-card-banner {
    position: relative;
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

.course-card-banner-initials {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: rgba(255,255,255,0.85);
    background: linear-gradient(135deg, var(--color-primary), rgba(0,118,178,0.6));
}

.course-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 100px;
    letter-spacing: 0.03em;
}

.course-card-summary {
    font-size: 0.875rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.score-gauge {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.score-gauge-bg {
    fill: none;
    stroke: rgba(255,255,255,0.08);
    stroke-width: 3;
}

.score-gauge-fill {
    fill: none;
    stroke: var(--color-tertiary);
    stroke-width: 3;
    stroke-linecap: round;
    transition: stroke-dasharray 0.6s ease;
}

.score-gauge-text {
    fill: var(--color-on-surface);
    font-size: 8px;
    font-weight: 700;
    font-family: var(--font-display);
    text-anchor: middle;
    dominant-baseline: central;
}

html.light-theme .score-gauge-bg { stroke: rgba(0,0,0,0.08); }
html.light-theme .score-gauge-text { fill: var(--color-on-surface); }

.course-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card-body h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.course-card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.course-card-price {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-tertiary);
}

.course-card:hover {
    box-shadow: 0 0 0 1px rgba(76,215,246,0.3), 0 0 30px rgba(76,215,246,0.12);
    transform: translateY(-6px);
    border-color: rgba(76,215,246,0.3);
}

.course-card:hover .course-card-body h3 { color: var(--color-tertiary); }

.btn-sm {
    padding: 7px 18px;
    font-size: 0.8125rem;
}

.newsletter-section {
    margin-top: 64px;
    padding: 48px 0;
    position: relative;
}

.newsletter-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(0,118,178,0.03) 1px, transparent 1px),
        linear-gradient(225deg, rgba(0,118,178,0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    background-position: 0 0, 24px 0;
    pointer-events: none;
}

.newsletter-card {
    max-width: 520px;
    margin: 0 auto;
    padding: 40px 36px;
    text-align: center;
    border-radius: var(--shape-xl);
    position: relative;
}

.newsletter-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.newsletter-card h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.newsletter-card p {
    color: var(--color-on-surface-variant);
    margin-bottom: 24px;
    line-height: 1.5;
}

.newsletter-input-row {
    display: flex;
    gap: 10px;
}

.newsletter-input-row input {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--shape-md);
    border: 1.5px solid var(--color-outline-variant);
    background: var(--color-surface);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-on-surface);
    transition: border-color 0.15s ease;
}

.newsletter-input-row input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.newsletter-input-row .btn {
    flex-shrink: 0;
}

/* Glass panel alias + glow hover */
.glass-panel { background: rgba(255,255,255,0.05); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.1); border-top: 1px solid rgba(255,255,255,0.12); border-left: 1px solid rgba(255,255,255,0.08); }

.glow-hover { transition: box-shadow 0.3s ease, border-color 0.3s ease; }
.glow-hover:hover { box-shadow: 0 0 20px rgba(76,215,246,0.2); border-color: rgba(76,215,246,0.4); }

/* Gradient text utility */
.gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb { background: var(--color-surface-variant); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-tertiary); }

html.light-theme .glass-panel { background: rgba(255,255,255,0.7); border: 1px solid rgba(255,255,255,0.5); }
html.light-theme .glow-hover:hover { box-shadow: 0 0 0 1px var(--color-primary), 0 16px 32px rgba(11,28,48,0.12); border-color: var(--color-primary); }

/* Premium button (reference style) */
.premium-btn {
    background: var(--gradient-btn);
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s ease, filter 0.3s ease;
}
.premium-btn:hover { transform: scale(1.05); filter: brightness(1.1); box-shadow: 0 0 25px rgba(76,215,246,0.3); }

/* Newsletter glass input */
.newsletter-glass-input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 100px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.06);
    color: inherit;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.newsletter-glass-input:focus { outline: none; border-color: var(--color-tertiary); background: rgba(255,255,255,0.1); }

html.light-theme .newsletter-glass-input { border-color: rgba(0,0,0,0.12); background: rgba(0,0,0,0.03); color: var(--color-on-surface); }
html.light-theme .newsletter-glass-input:focus { border-color: var(--color-primary); background: rgba(0,0,0,0.05); }
/* Payment methods selector */
.payment-methods {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.payment-option {
    flex: 1;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--color-border, rgba(128,128,128,0.2));
    cursor: pointer;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}
.payment-option:hover {
    border-color: var(--color-primary);
}
.payment-option.active {
    border-color: var(--color-primary);
    background: rgba(0,118,178,0.08);
}
.payment-option-label {
    font-size: 0.8125rem;
    font-weight: 600;
}
.mbway-phone-field {
    margin-bottom: 12px;
}
.mbway-phone-field input {
    width: 100%;
}
/* Pagamento page */
.pagamento-page {
    display: flex;
    justify-content: center;
    padding: 80px 16px;
}
.pagamento-card {
    max-width: 480px;
    width: 100%;
    background: var(--color-surface-container);
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    text-align: center;
}
.pagamento-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 24px;
}
.pagamento-icon--mb {
    background: var(--color-surface-variant);
    color: var(--color-on-surface);
}
.pagamento-icon--success {
    background: #e8f5e9;
    color: #2e7d32;
}
.pagamento-card h1 {
    margin-bottom: 8px;
}
.pagamento-subtitle {
    color: var(--color-on-surface-variant);
    margin-bottom: 24px;
}
.pagamento-details {
    background: var(--color-surface);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}
.pagamento-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}
.pagamento-row + .pagamento-row {
    border-top: 1px solid var(--color-border, rgba(128,128,128,0.15));
}
.pagamento-label {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
}
.pagamento-value--highlight {
    font-size: 1.125rem;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: 0.02em;
}
.pagamento-ref {
    font-size: 1.25rem;
    color: var(--color-secondary, #a87a0a);
}
.pagamento-aviso {
    font-size: 0.8125rem;
    color: var(--color-on-surface-variant);
    margin-bottom: 16px;
}
.pagamento-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
}
.pagamento-spinner::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-surface-variant);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: pagamento-spin 0.8s linear infinite;
}
@keyframes pagamento-spin {
    to { transform: rotate(360deg); }
}

/* Admin SEO score gauge */
.admin-seo-score {
    display: flex;
    align-items: center;
    gap: 6px;
}

.admin-seo-gauge {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.admin-seo-gauge-bg {
    fill: none;
    stroke: rgba(255,255,255,0.08);
    stroke-width: 3;
}

.admin-seo-gauge-fill {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    transition: stroke-dasharray 0.6s ease;
}

.admin-seo-gauge-text {
    font-size: 8px;
    font-weight: 700;
    font-family: var(--font-display);
    text-anchor: middle;
}

.admin-seo-gauge-unit {
    font-size: 5px;
    font-weight: 600;
    fill: var(--color-on-surface-variant);
    text-anchor: middle;
}

.admin-seo-label {
    font-size: 0.6875rem;
    font-weight: 600;
}

html.light-theme .admin-seo-gauge-bg,
.admin-root .admin-seo-gauge-bg { stroke: rgba(0,0,0,0.08); }

/*
 * Listagem de cursos (backoffice): cartoes em vez de tabela.
 * Prefixo "admin-" obrigatorio — ".course-card" (sem prefixo) ja
 * existe no site publico (catalogo) com estilo completamente
 * diferente (bordas, fundo transparente nos botoes, seta "->" no
 * hover); reutilizar o mesmo nome aqui herdava tudo isso sem querer.
 */
.admin-course-card {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: 14px;
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
}

.admin-course-card-top {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.admin-course-thumb-lg {
    width: 48px;
    height: 48px;
    border-radius: 11px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
    background-size: cover;
    background-position: center;
}

.admin-course-card-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-on-surface);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex: 1;
}

.admin-course-card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding-left: 62px;
}

.admin-course-card-badges { display: flex; gap: 8px; flex-wrap: wrap; }

.admin-course-card-price {
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    font-weight: 600;
}

.admin-course-card-price strong {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-on-surface);
    margin-left: 2px;
}

.admin-course-card-actions { display: flex; gap: 6px; margin-left: auto; flex-wrap: nowrap; }

/* Editar curso: formulario + pre-visualizacao lateral fixa. */
.course-edit-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

@media (max-width: 900px) {
    .course-edit-grid { grid-template-columns: 1fr; }
}

.course-edit-preview-col {
    position: sticky;
    top: 22px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.course-edit-preview-card {
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-variant);
    border-radius: 16px;
    overflow: hidden;
}

.course-edit-preview-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
    background-size: cover;
    background-position: center;
}

.course-edit-preview-body { padding: 18px 20px; }

.course-edit-preview-title {
    font-family: var(--font-display);
    font-size: 0.96875rem;
    font-weight: 700;
    color: var(--color-on-surface);
    margin: 10px 0 6px;
    line-height: 1.35;
}

.course-edit-preview-price {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-primary);
}

.course-edit-status-card {
    background: var(--color-surface-variant);
    border: 1px solid var(--color-outline-variant);
    border-radius: 16px;
    padding: 20px;
}

.course-edit-status-card h4 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    margin: 0 0 12px;
}

.course-edit-status-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--color-on-surface-variant);
    padding: 8px 0;
    border-bottom: 1px solid var(--color-outline-variant);
}

.course-edit-status-row:last-child { border-bottom: none; }
.course-edit-status-row span:last-child { font-weight: 700; color: var(--color-on-surface); }

/* Selo Sócio +Networking */
.gold-member-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #4a3300;
    background: linear-gradient(135deg, #f6d365 0%, #d4af37 60%, #b8860b 100%);
    vertical-align: middle;
}

.code-block {
    background: var(--color-surface-container-high);
    border: 1px solid var(--color-outline-variant);
    border-radius: 8px;
    padding: 16px;
    font-family: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.8125rem;
    line-height: 1.6;
    overflow-x: auto;
    white-space: pre;
    margin: 8px 0 16px;
}

code {
    background: var(--color-surface-container-high);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.8125rem;
}

/* Assistente de criacao de curso com IA (Groq) */
.ai-wizard {
    max-width: 760px;
    margin: 0 auto;
}

.ai-wizard-progress {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 28px;
}

.ai-wizard-progress-step {
    flex: 1;
    height: 6px;
    border-radius: 100px;
    background: var(--color-surface-container-high);
    transition: background 0.25s ease;
}

.ai-wizard-progress-step.done,
.ai-wizard-progress-step.current {
    background: var(--color-secondary);
}

.ai-wizard-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--color-on-surface-variant);
    margin-bottom: 8px;
}

.ai-wizard-step {
    animation: ai-wizard-fade-in 0.25s ease;
}

.ai-wizard-step h3 {
    margin-top: 32px;
    margin-bottom: 4px;
}

.ai-wizard-step h3:first-child { margin-top: 0; }

.ai-wizard-step > .field { margin-bottom: 18px; }

@keyframes ai-wizard-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-wizard-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 20px 0;
}

.ai-wizard-option-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 24px;
    border-radius: var(--shape-xl);
    border: 2px solid var(--color-outline-variant);
    background: var(--color-surface-container);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.ai-wizard-option-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(11, 28, 48, 0.12);
}

.ai-wizard-option-card.selected {
    border-color: var(--color-secondary);
    background: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
}

.ai-wizard-option-icon { font-size: 2rem; }
.ai-wizard-option-title { font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem; }
.ai-wizard-option-desc { font-size: 0.875rem; color: var(--color-on-surface-variant); }
.ai-wizard-option-card.selected .ai-wizard-option-desc { color: inherit; opacity: 0.85; }

.ai-wizard-cover-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
    margin-top: 10px;
}

.ai-wizard-cover-thumb {
    height: 80px;
    border-radius: var(--shape-md);
    border: 2px solid var(--color-outline-variant);
    background-size: cover;
    background-position: center;
    cursor: pointer;
    padding: 0;
}

.ai-wizard-cover-thumb.selected { border-color: var(--color-secondary); box-shadow: 0 0 0 2px var(--color-secondary); }

.ai-wizard-quiz-question {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
    border-top: 1px dashed var(--color-outline-variant);
}

.ai-wizard-quiz-question:first-of-type { border-top: none; padding-top: 0; }

.ai-wizard-quiz-question .field { margin-bottom: 0; }

.ai-wizard-quiz-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
}

.ai-wizard-quiz-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    min-width: 0;
}

.ai-wizard-quiz-option input[type="radio"] { flex-shrink: 0; }
.ai-wizard-quiz-option input[type="text"] { flex: 1; min-width: 0; }

.ai-wizard-quiz-question .remove-question {
    align-self: flex-end;
    color: var(--color-error);
}

@media (max-width: 560px) {
    .ai-wizard-quiz-options { grid-template-columns: 1fr; }
}

.ai-wizard-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    cursor: pointer;
}

.ai-wizard-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 64px 20px;
    text-align: center;
}

.ai-wizard-spinner {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 4px solid var(--color-surface-container-high);
    border-top-color: var(--color-secondary);
    animation: ai-wizard-spin 0.8s linear infinite;
}

@keyframes ai-wizard-spin {
    to { transform: rotate(360deg); }
}

.ai-wizard-loading-title { font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; }

.ai-wizard-module-card {
    border: 1px solid var(--color-outline-variant);
    border-radius: var(--shape-lg);
    padding: 20px;
    margin-bottom: 20px;
    background: var(--color-surface-container-high);
}

.ai-wizard-module-card .field { margin-bottom: 14px; }

.ai-wizard-lesson-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 0;
    border-top: 1px dashed var(--color-outline-variant);
}

.ai-wizard-lesson-card:first-of-type { border-top: none; padding-top: 0; }
.ai-wizard-lesson-card textarea { min-height: 56px; }

.ai-wizard-lesson-meta-row {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.ai-wizard-lesson-meta-row .field { margin-bottom: 0; }
.ai-wizard-lesson-meta-row .field label { font-size: 0.75rem; color: var(--color-on-surface-variant); }
.ai-wizard-lesson-meta-row select.lesson-type-input { height: 40px; min-width: 170px; }
.ai-wizard-lesson-meta-row input.lesson-duration-input { height: 40px; width: 100px; }
.ai-wizard-lesson-meta-row .remove-lesson { margin-left: auto; color: var(--color-error); white-space: nowrap; }

.ai-wizard-lesson-upload {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    padding-top: 4px;
}

.ai-wizard-upload-ok { color: var(--color-tertiary); font-weight: 600; }

@media (max-width: 560px) {
    .ai-wizard-lesson-meta-row { align-items: stretch; }
    .ai-wizard-lesson-meta-row .remove-lesson { margin-left: 0; }
}

.ai-wizard-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
    gap: 12px;
}

.ai-cta-btn {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-on-primary);
}