:root {
    /* Paleta Classic Dark con Morado/Rosa Minimalista */
    --bg-color: #1a1a1a;
    --bg-gradient: linear-gradient(to bottom, #1a1a1a, #2d2d2d);

    /* Glassmorphism Variables */
    --glass-bg: rgba(40, 40, 40, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --backdrop-blur: 10px;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;

    /* Accents - Paleta Morado/Rosa Minimalista */
    --accent-primary: #a78bfa;
    --accent-secondary: #e879f9;
    --accent-glow: rgba(167, 139, 250, 0.3);
    --gradient-main: linear-gradient(135deg, #a78bfa 0%, #e879f9 100%);
    --gradient-title: linear-gradient(135deg, #a78bfa 0%, #d8b4fe 100%);
    --gradient-subtitle: linear-gradient(135deg, #c4b5fd 0%, #e879f9 100%);

    /* Functional Colors */
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;

    /* Typography */
    --font-main: 'Outfit', sans-serif;
    --font-code: 'Fira Code', monospace;

    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.4s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    background-image:
        linear-gradient(rgba(26, 26, 26, 0.20), rgba(26, 26, 26, 0.20)),
        url('images/fondo.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar Personalizado */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #9333ea;
    border-radius: 5px;
    border: 2px solid var(--bg-color);
}

::-webkit-scrollbar-thumb:hover {
    background: #a855f7;
}

/* View Transitions */
::view-transition-old(root),
::view-transition-new(root) {
    animation-duration: 0.5s;
}

/* Background Glow */
.background-glow {
    display: none;
}

/* Development Banner */
.dev-banner {
    background: rgba(234, 179, 8, 0.1);
    border-bottom: 1px solid rgba(234, 179, 8, 0.2);
    color: var(--warning);
    text-align: center;
    padding: 0.5rem;
    font-size: 0.85rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(5px);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(var(--backdrop-blur));
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    letter-spacing: -0.5px;
}

.btn-primary {
    background: var(--gradient-main);
    border: none;
    padding: 0.6rem 1.4rem;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-main);
    box-shadow: 0 4px 12px rgba(167, 139, 250, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(167, 139, 250, 0.3);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 6rem 1rem 4rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: var(--gradient-title);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.hero p {
    color: #d8b4fe;
    font-size: 1.25rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Year Selector */
.year-selector {
    display: inline-flex;
    background: rgba(40, 40, 40, 0.5);
    padding: 0.4rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    margin-bottom: 3rem;
    backdrop-filter: blur(5px);
}

.year-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.8rem 2.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition-fast);
    font-family: var(--font-main);
}

.year-btn.active {
    background: rgba(167, 139, 250, 0.15);
    color: var(--accent-primary);
    box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.2);
}

.year-btn:hover:not(.active) {
    color: var(--text-primary);
}

/* Search */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto 2rem;
    display: flex;
    gap: 1rem;
}

.search-icon {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

#searchInput {
    flex: 1;
    padding: 1.2rem 1.2rem 1.2rem 3.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition-fast);
    backdrop-filter: blur(var(--backdrop-blur));
}

#searchInput:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

.filters {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    background: rgba(40, 40, 40, 0.4);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
}

.filter-btn:hover {
    background: rgba(167, 139, 250, 0.1);
    color: var(--accent-primary);
    border-color: rgba(167, 139, 250, 0.3);
}

.filter-btn.active {
    background: var(--gradient-main);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(167, 139, 250, 0.2);
}

/* Favorites Section */
.favorites-container {
    margin-bottom: 4rem;
    padding: 2rem;
    background: rgba(40, 40, 40, 0.3);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
}

.favorites-container h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #a78bfa;
}

/* Grid */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 6rem;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.8rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(var(--backdrop-blur));
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.05), transparent);
    pointer-events: none;
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(167, 139, 250, 0.3);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(167, 139, 250, 0.1);
}

@keyframes heartBeat {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.4);
    }

    100% {
        transform: scale(1);
    }
}

.card-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.2rem;
    gap: 1rem;
}

.card-icon {
    width: 54px;
    height: 54px;
    background: rgba(167, 139, 250, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.card:hover .card-icon {
    background: var(--gradient-main);
    color: white;
    transform: rotate(-5deg);
}

.card-category {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    border: 1px solid var(--glass-border);
}

.card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    line-height: 1.3;
    background: var(--gradient-subtitle);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.8rem;
    flex-grow: 1;
    line-height: 1.6;
}

.card-link {
    text-decoration: none;
    color: var(--accent-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
    padding: 0.5rem 0;
}

.card-link:hover {
    gap: 0.8rem;
    color: var(--accent-secondary);
}

.fav-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid var(--glass-border);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 2;
    backdrop-filter: blur(4px);
}

.fav-btn:hover {
    background: rgba(248, 113, 113, 0.15);
    border-color: rgba(248, 113, 113, 0.3);
    color: var(--danger);
    transform: scale(1.1);
}

.fav-btn.active {
    background: rgba(248, 113, 113, 0.15);
    border-color: rgba(248, 113, 113, 0.3);
    color: var(--danger);
    animation: heartBeat 0.3s ease-in-out;
    box-shadow: 0 0 10px rgba(248, 113, 113, 0.2);
}

/* Topics Grid */
.topics-container h3 {
    margin-bottom: 1.5rem;
    color: #a78bfa;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.topics-container h3 i {
    color: var(--accent-primary);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.topic-card {
    background: rgba(40, 40, 40, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.topic-card-clickable {
    cursor: pointer;
}

.topic-card-clickable:hover {
    background: rgba(40, 40, 40, 0.7);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.topic-number {
    font-size: 0.8rem;
    color: var(--accent-primary);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.topic-card h4 {
    background: var(--gradient-subtitle);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.topic-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #1a1a1a;
    border: 1px solid var(--glass-border);
    width: 90%;
    max-width: 600px;
    border-radius: 24px;
    padding: 2.5rem;
    transform: scale(0.95) translateY(20px);
    transition: var(--transition-smooth);
    box-shadow: var(--glass-shadow);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

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

.modal-header h2 {
    font-size: 1.8rem;
    background: var(--gradient-title);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.close-modal {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    background: rgba(248, 113, 113, 0.2);
    color: var(--danger);
}

/* Modal Content Styling */
.modal-content {
    overflow-y: auto;
    padding-right: 0.5rem;
    color: var(--text-secondary);
}

.modal-content h3 {
    color: #a78bfa;
    margin: 2rem 0 1rem;
    font-size: 1.4rem;
    border-left: 4px solid var(--accent-primary);
    padding-left: 1rem;
}

.modal-content p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.modal-content ul {
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 1.5rem 1.5rem 2.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.modal-content li {
    margin-bottom: 0.5rem;
}

/* Code Blocks */
.code-container {
    margin: 2rem 0;
    background: #111111;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.copy-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #1a1a1a;
}

.code-content {
    padding: 1.5rem;
    overflow-x: auto;
    font-family: var(--font-code);
    color: #e2e8f0;
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Tables */
.topic-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 2rem 0;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
}

.topic-table th,
.topic-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.topic-table th {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-primary);
    font-weight: 600;
}

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

/* Dashboard & Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    border: 1px solid var(--glass-border);
}

.stat-card i {
    font-size: 2rem;
    color: var(--accent-secondary);
    background: rgba(232, 121, 249, 0.1);
    padding: 1rem;
    border-radius: 12px;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

/* Progress Bars */
.progress-bar-container {
    margin-bottom: 1.2rem;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-main);
    border-radius: 4px;
    transition: width 1s ease-out;
}

/* Global Exam Section */

/* Dashboard Details & Summary */
details>summary {
    list-style: none;
    transition: all 0.3s ease;
}

details>summary::-webkit-details-marker {
    display: none;
}

details[open]>summary {
    background: rgba(167, 139, 250, 0.1) !important;
    color: #fff !important;
}

details[open]>summary i {
    transform: rotate(90deg);
    transition: transform 0.3s ease;
}

details>summary:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    color: #fff !important;
}

/* Auth Modal & Floating Button */
.hidden {
    display: none !important;
}

.floating-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-main);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(167, 139, 250, 0.4);
    z-index: 100;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-btn:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(167, 139, 250, 0.6);
}

.auth-modal {
    z-index: 2000;
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.auth-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-auth {
    padding: 0.8rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    transition: var(--transition-fast);
    font-family: var(--font-main);
    font-size: 1rem;
}

.btn-google {
    background: white;
    color: #333;
}

.btn-google:hover {
    background: #f1f1f1;
}

.btn-github {
    background: #333;
    color: white;
}

.btn-github:hover {
    background: #222;
}

.auth-separator {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.auth-separator span {
    padding: 0 10px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input {
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-main);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.form-actions button {
    flex: 1;
    justify-content: center;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.6rem 1.4rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-main);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.global-exam-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.global-exam-section h3 {
    justify-content: center;
    border: none;
    padding: 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    background: rgba(26, 26, 26, 0.4);
}

footer a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--accent-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .search-container {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        padding: 1.5rem;
        width: 95%;
    }
}

.auth-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-auth {
    padding: 0.8rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    transition: var(--transition-fast);
    font-family: var(--font-main);
    font-size: 1rem;
}

.btn-google {
    background: white;
    color: #333;
}

.btn-google:hover {
    background: #f1f1f1;
}

.btn-github {
    background: #333;
    color: white;
}

.btn-github:hover {
    background: #222;
}

.auth-separator {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.auth-separator span {
    padding: 0 10px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input {
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-main);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.form-actions button {
    flex: 1;
    justify-content: center;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.6rem 1.4rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-main);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.global-exam-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.global-exam-section h3 {
    justify-content: center;
    border: none;
    padding: 0;
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    background: rgba(26, 26, 26, 0.4);
}

footer a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--accent-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .search-container {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        padding: 1.5rem;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding-top: 3rem;
    }

    .year-selector {
        width: 100%;
        display: flex;
    }

    .year-btn {
        flex: 1;
        padding: 0.8rem 1rem;
    }
}

/* ========== ESTILOS PARA DASHBOARD DE USUARIO ========== */

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.dashboard-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

/* Auth Sections Toggle */
.auth-section {
    width: 100%;
}

.auth-section.hidden {
    display: none !important;
}

/* Curso Section */
.curso-section {
    margin-bottom: 2.5rem;
}

.curso-section h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

/* Asignaturas Grid */
.asignaturas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Asignatura Card */
.asignatura-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.2rem;
    transition: all 0.3s ease;
}

.asignatura-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.15);
}

.asignatura-card h4 {
    margin: 0 0 1rem 0;
    color: var(--accent-secondary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

/* Input Group */
.input-group {
    margin-bottom: 0.8rem;
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    font-weight: 500;
}

/* Input Seguimiento Styles */
.input-seguimiento {
    width: 100%;
    padding: 0.6rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: all 0.3s ease;
}

.input-seguimiento:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.input-seguimiento:hover {
    border-color: var(--accent-secondary);
}

/* Number Input Specific */
input[type="number"].input-seguimiento {
    -moz-appearance: textfield;
    appearance: textfield;
}

input[type="number"].input-seguimiento::-webkit-outer-spin-button,
input[type="number"].input-seguimiento::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Select Specific */
select.input-seguimiento {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a78bfa' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7rem center;
    padding-right: 2rem;
}

select.input-seguimiento option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Responsive para Dashboard */
@media (max-width: 768px) {
    .asignaturas-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 0.8rem;
    }

    .asignatura-card {
        padding: 1rem;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .hero {
        padding-top: 3rem;
    }

    .year-selector {
        width: 100%;
        display: flex;
    }

    .year-btn {
        flex: 1;
        padding: 0.8rem 1rem;
    }
}

/* ========== ESTILOS PARA DASHBOARD DE USUARIO ========== */

/* Dashboard Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.dashboard-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

/* Auth Sections Toggle */
.auth-section {
    width: 100%;
}

.auth-section.hidden {
    display: none !important;
}

/* Curso Section */
.curso-section {
    margin-bottom: 2.5rem;
}

.curso-section h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

/* Asignaturas Grid */
.asignaturas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Asignatura Card */
.asignatura-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.2rem;
    transition: all 0.3s ease;
}

.asignatura-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.15);
}

.asignatura-card h4 {
    margin: 0 0 1rem 0;
    color: var(--accent-secondary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

/* Input Group */
.input-group {
    margin-bottom: 0.8rem;
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    font-weight: 500;
}

/* Input Seguimiento Styles */
.input-seguimiento {
    width: 100%;
    padding: 0.6rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: all 0.3s ease;
}

.input-seguimiento:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.input-seguimiento:hover {
    border-color: var(--accent-secondary);
}

/* Number Input Specific */
input[type="number"].input-seguimiento {
    -moz-appearance: textfield;
    appearance: textfield;
}

input[type="number"].input-seguimiento::-webkit-outer-spin-button,
input[type="number"].input-seguimiento::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Select Specific */
select.input-seguimiento {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a78bfa' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7rem center;
    padding-right: 2rem;
}

select.input-seguimiento option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Responsive para Dashboard */
@media (max-width: 768px) {
    .asignaturas-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 0.8rem;
    }

    .asignatura-card {
        padding: 1rem;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .dashboard-header button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .asignaturas-grid {
        grid-template-columns: 1fr;
    }

    .curso-section h3 {
        font-size: 1.1rem;
    }

    .asignatura-card h4 {
        font-size: 1rem;
    }
}

/* Dashboard Accordion & List Styles */
.tema-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.2s;
}

.tema-item:last-child {
    border-bottom: none;
}

.tema-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tema-nombre {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.tema-info {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.tema-nota {
    font-weight: bold;
    font-size: 1rem;
}

.tema-fecha {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}