/* style.css – versão completa com suporte a carga horária nos cards e responsividade */

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

:root {
    --bg-primary: #0D1117;
    --bg-secondary: #161B22;
    --bg-tertiary: #1F2933;
    --bg-sidebar: #111827;
    --text-primary: #E6EDF3;
    --text-secondary: #9CA3AF;
    --accent-blue: #2563EB;
    --accent-blue-hover: #1D4ED8;
    --accent-green: #22C55E;
    --accent-green-hover: #16A34A;
    --border: #2D3748;
    --success: #22C55E;
    --card-radius: 1rem;
    --transition: all 0.2s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    font-size: 18px;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-universidade {
    height: 100px;
    width: auto;
    max-width: 100%;
    display: block;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.logo p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.stats {
    display: flex;
    gap: 1.2rem;
    background: var(--bg-secondary);
    padding: 0.5rem 1.2rem;
    border-radius: 2rem;
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.stat-item i {
    color: var(--accent-blue);
}

.btn-biblioteca {
    background: #2ea043;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: 0.2s;
    font-size: 0.85rem;
}

.btn-biblioteca:hover {
    background: #238636;
    transform: scale(1.05);
}

/* ========== HOME SCREEN (CARDS DE CURSOS) ========== */
.home-screen {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.course-card {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
    width: 360px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.45);
    height: auto;
    min-height: 100px;
}

.course-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    background: var(--bg-secondary);
    box-shadow: 0 12px 28px rgba(0,0,0,0.6);
}

.course-icon {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: center;
}

.course-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.course-badges {
    display: flex;
    gap: 0.5rem;
    margin: 0.5rem 0;
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-course-level {
    background: var(--accent-blue);
    color: white;
}

.badge-course-type {
    background: var(--accent-green);
    color: white;
}

.course-room {
    font-size: 0.8rem;
    color: var(--accent-green);
    background: var(--bg-secondary);
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    margin: 0.5rem 0;
    width: fit-content;
}

.course-card .course-description {
    display: block;
    width: 100%;
    white-space: normal;
    overflow: visible;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.5;
    margin: 0.5rem 0;
    font-size: 1rem;
}

/* ========== CARGA HORÁRIA (WORKLOAD) ========== */
.course-duration {
    display: inline-block;
    background: var(--bg-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-green);
    margin: 0.5rem 0;
    width: fit-content;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.course-duration i {
    margin-right: 0.4rem;
    font-size: 0.7rem;
    color: var(--accent-blue);
}

.course-card:hover .course-duration {
    border-color: var(--accent-blue);
    background: var(--bg-tertiary);
}

/* Progresso do curso */
.course-progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    margin: 1rem 0;
    overflow: hidden;
}

.course-progress-fill {
    height: 100%;
    background: var(--accent-blue);
    width: 0%;
}

.continue-btn {
    background: var(--accent-blue);
    border: none;
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 0.5rem;
    display: inline-block;
}

.continue-btn:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
}

/* ========== COURSE VIEW ========== */
.course-view {
    display: none;
}

.course-view.active {
    display: block;
}

.back-btn {
    background: none;
    border: none;
    color: var(--accent-blue);
    cursor: pointer;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.main-layout {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.video-column {
    flex: 2;
    min-width: 0;
}

.right-sidebar {
    flex: 1;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.current-lesson-panel {
    background: var(--bg-tertiary);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 0.75rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    position: relative;
}

.unified-content {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 0.75rem;
    border: 1px solid var(--border);
    max-height: 60vh;
    overflow-y: auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.player-section {
    background: var(--bg-tertiary);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.video-wrapper {
    aspect-ratio: 16 / 9;
    background: #000;
    position: relative;
    width: 100%;
    overflow: hidden;
}

#youtube-player {
    width: 100%;
    height: 100%;
}

.player-controls {
    padding: 0.75rem;
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.ctrl-btn {
    background: var(--bg-tertiary);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.ctrl-btn:hover {
    background: var(--accent-blue);
}

.video-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.video-title {
    font-weight: 500;
    font-size: 0.9rem;
}

.mark-watched-btn {
    background: var(--bg-tertiary);
    border: none;
    padding: 0.3rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.mark-watched-btn:hover {
    background: var(--success);
    color: white;
}

.video-progress-container {
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.video-progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    cursor: pointer;
    overflow: hidden;
}

.video-progress-fill {
    height: 100%;
    background: var(--accent-blue);
    width: 0%;
}

.video-time {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

.lesson-tabs {
    background: #161b22;
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 1rem;
    position: relative;
    z-index: 5;
}

.tabs-header {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.tab-btn {
    background: #0d1117;
    color: #c9d1d9;
    border: none;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    font-size: 0.85rem;
}

.tab-btn.active {
    background: #238636;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.member-card {
    background: #0d1117;
    padding: 10px;
    border-radius: 10px;
    text-align: center;
    transition: 0.2s;
    border: 1px solid var(--border);
    position: relative;
}

.member-card:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 12px rgba(0,0,0,0.4);
    border-color: var(--accent-blue);
}

.member-card.new-contributor {
    border-left: 4px solid #ff8c00;
    background: rgba(255, 140, 0, 0.05);
}

.member-photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 6px;
    background: #2d3748;
}

.member-name {
    margin: 0 0 4px;
    font-size: 13px;
    font-weight: 600;
}

.member-name a {
    color: #58a6ff;
    text-decoration: none;
    font-weight: bold;
}

.member-name a:hover {
    text-decoration: underline;
}

.member-role {
    font-size: 12px;
    color: #8b949e;
    margin-bottom: 2px;
}

.member-year {
    font-size: 11px;
    color: #6e7681;
    margin-bottom: 4px;
}

.member-desc {
    font-size: 11px;
    color: #9ca3af;
    line-height: 1.3;
}

.new-badge {
    display: inline-block;
    background: #ff8c00;
    color: #000;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 12px;
    margin-left: 8px;
    font-weight: 600;
}

.current-lesson-panel .panel-title, .unified-content h3 {
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.help-button {
    position: absolute;
    top: 8px;
    right: 8px;
    left: auto;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    z-index: 999;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.help-button:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.help-button:active {
    transform: scale(0.97);
}

.panel-title {
    margin-left: 0;
}

.current-lesson-info {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.current-lesson-videos {
    margin-top: 0.5rem;
}

.current-video-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem;
    margin: 0.2rem 0;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
}

.current-video-item:hover {
    background: var(--bg-secondary);
}

.current-video-item.watched {
    opacity: 0.6;
    text-decoration: line-through;
}

.current-video-item i {
    width: 20px;
    color: var(--text-secondary);
}

.stage-group-unified {
    margin-bottom: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    overflow: hidden;
}

.stage-header {
    background: var(--bg-secondary);
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-size: 0.9rem;
}

.stage-header:hover {
    background: var(--bg-tertiary);
}

.stage-progress {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.disciplines-list {
    padding: 0.5rem;
    background: var(--bg-tertiary);
    display: none;
}

.disciplines-list.open {
    display: block;
}

.discipline-card {
    margin-bottom: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-secondary);
    transition: var(--transition);
}

.discipline-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    border-color: var(--accent-blue);
}

.discipline-header {
    background: var(--bg-tertiary);
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    font-size: 0.9rem;
}

.weeks-container {
    padding: 0.3rem 0 0.3rem 0.8rem;
    display: none;
    background: var(--bg-tertiary);
}

.weeks-container.open {
    display: block;
}

.week-group {
    margin: 0.3rem 0;
}

.week-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0.3rem 0 0.2rem;
}

.lesson-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.6rem;
    margin: 0.2rem 0;
    margin-left: 0.8rem;
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.85rem;
    transition: var(--transition);
    background: var(--bg-secondary);
    border: 1px solid transparent;
}

.lesson-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-blue);
    transform: translateX(2px);
}

.lesson-item.completed {
    opacity: 0.6;
    text-decoration: line-through;
}

/* ========== PROGRESS CHART ========== */
.progress-chart {
    margin: 0 !important;
    padding: 8px !important;
    background: var(--bg-tertiary);
    border-radius: 12px;
}

.progress-chart > div:first-child {
    margin-bottom: 4px !important;
    font-size: 0.85rem;
}

.progress-chart > div:last-child {
    border-radius: 6px;
}

.progress-chart > div:last-child > div {
    height: 8px !important;
    border-radius: 6px;
}

/* ========== BIBLIOGRAFIA ========== */
.books-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.book-card {
    display: flex;
    gap: 24px;
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 20px;
    transition: var(--transition);
    border: 1px solid var(--border);
    align-items: flex-start;
    width: 100%;
    min-height: 280px;
}

.book-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-blue);
    box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}

.book-left {
    flex-shrink: 0;
    width: 140px;
}

.book-cover {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    background: var(--bg-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.book-right {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.book-title {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.3;
    word-wrap: break-word;
    color: var(--text-primary);
}

.book-author {
    font-size: 0.9rem;
    color: var(--accent-green);
}

.book-details {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 4px 0;
}

.book-details span {
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.7rem;
}

.book-description {
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 8px 0;
    color: var(--text-secondary);
    word-wrap: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-actions {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.book-details-btn, .go-to-library-btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.book-details-btn:hover, .go-to-library-btn:hover {
    background: var(--accent-blue-hover);
}

.go-to-library-btn {
    background: #2ea043;
}

.go-to-library-btn:hover {
    background: #238636;
}

.bibliografia-heading {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
    color: var(--accent-blue);
}

/* ========== LICENÇA ========== */
#license-content {
    padding: 0.5rem;
}

.license-card {
    background: #0d1117;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.license-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.license-icon {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
}

.license-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.license-text {
    background: var(--bg-tertiary);
    padding: 0.75rem;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.75rem;
    white-space: pre-wrap;
    margin: 0.5rem 0;
    border: 1px solid var(--border);
    text-align: left;
    max-height: 300px;
    overflow-y: auto;
}

.license-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.license-btn:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

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

.bio-section, .distributor-section, .tutoria-section {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.bio-section h3, .distributor-section h3, .tutoria-section h3 {
    font-size: 1rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tutoria-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tutoria-info li {
    margin: 0.5rem 0;
}

.tutoria-info a {
    color: var(--accent-blue);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tutoria-info a:hover {
    text-decoration: underline;
}

/* ========== AULA EXTERNA ========== */
.external-lesson-container {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    overflow: auto;
}

.external-lesson-card {
    background: var(--bg-secondary);
    border-radius: 24px;
    padding: 1.5rem;
    max-width: 90%;
    width: 500px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    box-sizing: border-box;
    margin: 0 auto;
    word-wrap: break-word;
}

.external-lesson-icon {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.external-lesson-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    word-break: break-word;
}

.external-lesson-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.external-platform {
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    display: inline-block;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--accent-blue);
    max-width: 100%;
    overflow-wrap: break-word;
}

.external-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.external-btn {
    padding: 0.6rem 1.2rem;
    border-radius: 2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.9rem;
}

.external-btn-primary {
    background: var(--accent-blue);
    color: white;
}

.external-btn-primary:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
}

.external-btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.external-btn-secondary:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* ========== NOTIFICAÇÕES ========== */
.notification-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-content i {
    font-size: 1.6rem;
}

.notification-content i.fa-check-circle {
    color: #22C55E;
}

.notification-content i.fa-info-circle {
    color: #2563EB;
}

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

/* ========== MODAL DE CONCLUSÃO ========== */
.final-completion-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 2200;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.final-completion-modal.show {
    opacity: 1;
}

.final-modal-content {
    background: var(--bg-secondary, #161B22);
    border-radius: 24px;
    max-width: 850px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.2s ease;
    overflow: hidden;
}

.final-completion-modal.show .final-modal-content {
    transform: scale(1);
}

.final-modal-header {
    padding: 1.2rem;
    border-bottom: 1px solid var(--border, #2D3748);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    justify-content: center;
    background: var(--bg-secondary);
}

.final-modal-header i {
    font-size: 1.8rem;
    color: var(--accent-blue, #2563EB);
}

.final-modal-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, #fff, #a0c4ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 1px;
}

.close-final-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary, #9CA3AF);
    line-height: 1;
    transition: color 0.2s;
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.close-final-modal:hover {
    color: var(--text-primary, #E6EDF3);
}

.final-modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.final-completion-top-svg {
    max-width: 260px;
    width: 100%;
    margin-bottom: 0.5rem;
}

.final-completion-top-svg svg {
    width: 100%;
    height: auto;
}

.final-completion-text {
    font-size: 1.2rem;
    line-height: 1.5;
    margin: 0.5rem 0 0.8rem;
    color: var(--text-primary, #E6EDF3);
    text-align: center;
    width: 100%;
}

.final-completion-image {
    width: 640px;
    max-width: 90%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    margin: 0.5rem auto;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.final-modal-footer {
    padding: 1.2rem;
    border-top: 1px solid var(--border, #2D3748);
    display: flex;
    justify-content: center;
    background: var(--bg-secondary);
}

.final-go-home-btn {
    background: linear-gradient(90deg, #2563eb, #3b82f6, #60a5fa);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 40px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    letter-spacing: 0.3px;
}

.final-go-home-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
    background: linear-gradient(90deg, #1d4ed8, #2563eb, #3b82f6);
}

.final-go-home-btn:active {
    transform: translateY(1px);
}

/* ========== ABA PRÁTICA ========== */
.practice-container {
    padding: 0.5rem;
    width: 100%;
}

.practice-intro {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 1rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--accent-blue);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
    width: 100%;
    display: block;
}

.practice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    width: 100%;
}

.practice-platform-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.practice-platform-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.practice-platform-image {
    width: 100%;
    height: 140px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.practice-platform-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.practice-platform-card:hover .practice-platform-image img {
    transform: scale(1.05);
}

.practice-platform-content {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.practice-platform-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--accent-blue);
}

.practice-platform-content p {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    flex: 1;
}

.practice-platform-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--accent-blue);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    width: fit-content;
}

.practice-platform-btn:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.practice-search-wrapper {
    position: relative;
    margin-bottom: 1rem;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.9rem;
    pointer-events: none;
}

.practice-search-input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 2rem;
    color: var(--text-primary);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.practice-search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.practice-search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* ========== SELETOR DE IDIOMA ========== */
.language-switch {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 2rem;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: 1rem;
    transition: all 0.2s ease;
    font-size: 0.75rem;
}

.lang-btn.active {
    background: var(--accent-blue);
    color: white;
}

.lang-btn:hover:not(.active) {
    color: var(--accent-blue);
}

.lang-sep {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* ========== DEGREE INFO (CARDS DE CURSOS) ========== */
.degree-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0.25rem 0 0.5rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem;
}

.degree-type {
    font-weight: 600;
    color: var(--accent-green);
}

.degree-level {
    font-weight: 500;
}

.degree-sep {
    color: var(--text-secondary);
    margin: 0 0.2rem;
}

/* ========== BOTÃO DE DOAÇÃO ========== */
.donate-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f97316;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.donate-button i {
    font-size: 0.9rem;
}

.donate-button:hover {
    background: #ea580c;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.donate-button:active {
    transform: scale(0.98);
}

/* ========== MELHORIAS NOS CARDS DA BIBLIOTECA ========== */
.book-mini-card {
    background: var(--bg-tertiary);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    text-align: center;
    padding: 1rem;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.book-mini-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-blue);
}

.mini-cover {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 0.75rem;
    background: var(--bg-primary);
}

.mini-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0.5rem 0 0.25rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mini-author,
.mini-year {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0.2rem 0;
}

.mini-publisher {
    font-size: 0.7rem;
    color: var(--accent-green);
    margin: 0.2rem 0;
}

.mini-type-tag {
    font-size: 0.7rem;
    background: var(--bg-secondary);
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    margin-top: 0.3rem;
    color: var(--accent-blue);
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 768px) {
    .book-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
    }
    .book-left {
        width: 120px;
        margin-bottom: 12px;
    }
    .book-details {
        justify-content: center;
    }
    .tabs-header {
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 4px;
    }
    .tab-btn {
        font-size: 0.75rem;
        padding: 5px 8px;
        white-space: nowrap;
    }
    .license-card {
        padding: 1rem;
    }
    .logo-universidade {
        height: 32px;
    }
    .external-lesson-container {
        padding: 0.5rem;
    }
    .external-lesson-card {
        padding: 1rem;
        width: 95%;
        max-width: 95%;
    }
    .external-lesson-card h3 {
        font-size: 1.2rem;
    }
    .external-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }
    .external-btn {
        width: 100%;
    }
    .final-modal-header h2 {
        font-size: 1.6rem;
    }
    .final-completion-text {
        font-size: 1rem;
    }
    .final-completion-image {
        width: 90%;
        max-width: 480px;
    }
    .practice-grid {
        grid-template-columns: 1fr;
    }
    .practice-platform-image {
        height: 120px;
    }
    .progress-chart {
        padding: 6px !important;
    }
    .progress-chart > div:first-child {
        font-size: 0.75rem;
    }
    .donate-button {
        padding: 6px 12px;
        font-size: 0.75rem;
        gap: 6px;
    }
    .donate-button i {
        font-size: 0.8rem;
    }
    .course-duration {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
}

@media (max-width: 600px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .help-button {
        top: 6px;
        right: 6px;
        padding: 3px 8px;
        font-size: 11px;
    }
    #notificationContainer {
        min-width: 280px !important;
        right: 10px !important;
    }
    .notification-content {
        gap: 0.8rem;
    }
    .notification-content i {
        font-size: 1.3rem;
    }
    .notification-content span {
        font-size: 0.95rem;
    }
    .final-completion-image {
        width: 100%;
        max-width: 360px;
    }
    .stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
    }
    .donate-button {
        order: 3;
    }
    .btn-biblioteca {
        order: 4;
    }
}

@media (max-width: 900px) {
    .container {
        padding: 0 1rem;
    }
    .main-layout {
        flex-direction: column;
    }
    .right-sidebar {
        order: 2;
    }
    .video-column {
        order: 1;
    }
}