/* Notas de Cata Consumer Platform - Mobile-First Styles */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */

:root {
    /* Brand colors - warm, inviting wine theme */
    --wine-red: #722F37;
    --wine-red-dark: #5A252C;
    --wine-red-light: #8B3A44;
    --wine-gold: #C9A96E;
    --wine-gold-light: #E8D5B0;

    /* Neutral colors */
    --text-primary: #2C2C2C;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #FAF8F5;
    --bg-medium: #E5E5E5;
    --border-color: #E0DDD8;

    /* Status colors */
    --success: #16A34A;
    --success-bg: #f0fdf4;
    --warning: #F59E0B;
    --error: #DC2626;

    /* Typography */
    --font-base: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 4rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 48px rgba(0,0,0,0.16);

    /* Container */
    --container-sm: 832px;
    --container-md: 998px;
    --container-lg: 1118px;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html { font-size: 19.2px; }

body {
    font-family: var(--font-base);
    font-optical-sizing: auto;
    color: var(--text-primary);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .container { max-width: var(--container-sm); }
}

@media (min-width: 768px) {
    .container {
        max-width: var(--container-md);
        padding-left: var(--space-lg);
        padding-right: var(--space-lg);
    }
}

@media (min-width: 1024px) {
    .container { max-width: var(--container-lg); }
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
    background: linear-gradient(135deg, var(--wine-red) 0%, var(--wine-red-dark) 100%);
    color: var(--bg-white);
    padding: var(--space-md) 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

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

.site-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--bg-white);
    text-decoration: none;
}

.site-title:hover { color: var(--wine-gold-light); }

.header-user {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-username {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.logout-form { display: inline; }

.logout-button {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--bg-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: 4px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color 0.2s;
    min-height: 36px;
}

.logout-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   NAVIGATION
   ============================================ */

.site-nav {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover { color: var(--wine-red); }

.nav-link.nav-active {
    color: var(--wine-red);
    border-bottom-color: var(--wine-red);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    background-color: var(--bg-white);
    color: var(--text-secondary);
    padding: var(--space-xl) 0;
    margin-top: var(--space-xxl);
    text-align: center;
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   BREADCRUMB
   ============================================ */

.breadcrumb {
    background-color: var(--bg-white);
    padding: var(--space-sm) 0;
    font-size: 0.875rem;
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.breadcrumb-item::after { content: "\203A"; color: var(--text-light); }
.breadcrumb-item:last-child::after { content: ""; }

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
}
.breadcrumb-link:hover { color: var(--wine-red); text-decoration: underline; }

.breadcrumb-current { color: var(--text-primary); font-weight: 500; }

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.2s;
    min-height: 44px;
    line-height: 1.6;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--wine-red);
    color: var(--bg-white);
    box-shadow: 0 2px 8px rgba(114,47,55,0.3);
}
.btn-primary:hover { background-color: var(--wine-red-dark); box-shadow: 0 4px 12px rgba(114,47,55,0.4); transform: translateY(-1px); }

.btn-outline {
    background-color: var(--bg-white);
    color: var(--wine-red);
    border: 2px solid var(--wine-red);
}
.btn-outline:hover { background-color: var(--bg-light); }

/* ============================================
   CATALOG PAGE
   ============================================ */

.catalog-page {
    padding: var(--space-xl) 0 var(--space-xxl);
}

.catalog-hero {
    text-align: center;
    padding: var(--space-xxl) 0;
}

.catalog-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.catalog-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.course-grid {
    display: grid;
    gap: var(--space-lg);
}

.course-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.course-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.course-card-body { padding: var(--space-lg); }

.course-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--wine-red);
    margin-bottom: var(--space-sm);
}

.course-card-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-style: italic;
}

.course-card-description {
    color: var(--text-primary);
    line-height: 1.6;
}

.course-card-actions {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.enrollment-cta {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.enrollment-cta a {
    color: var(--wine-red);
    font-weight: 500;
}

/* ============================================
   COURSE HOME PAGE
   ============================================ */

.course-page {
    padding: var(--space-xl) 0;
}

.course-header {
    margin-bottom: var(--space-lg);
}

.course-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.course-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ============================================
   PROGRESS
   ============================================ */

.progress-summary {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.overall-progress { margin-bottom: var(--space-md); }

.overall-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.overall-progress-label { font-weight: 600; color: var(--text-primary); }
.overall-progress-pct { font-weight: 700; font-size: 1.25rem; color: var(--wine-red); }

.overall-progress-detail {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    display: block;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--bg-medium);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--wine-red), var(--wine-red-light));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.continue-learning-link {
    display: inline-block;
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--wine-red);
    color: var(--bg-white);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.2s;
    min-height: 44px;
    line-height: 1.6;
}
.continue-learning-link:hover { background-color: var(--wine-red-dark); }

.all-complete-message {
    margin-top: var(--space-md);
    color: var(--success);
    font-weight: 600;
}

/* ============================================
   MODULE LIST (Course Home)
   ============================================ */

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--wine-red);
}

.course-module-list {
    list-style: none;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.module-item {
    border-bottom: 1px solid var(--border-color);
}
.module-item:last-child { border-bottom: none; }

.module-item.module-done { background-color: var(--success-bg); }

.module-link {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: background-color 0.2s;
    gap: var(--space-md);
}
.module-link:hover { background-color: var(--bg-light); }

.module-order {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--wine-red);
    color: var(--bg-white);
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}

.module-done .module-order {
    background-color: var(--success);
}

.module-info { flex: 1; }

.module-title {
    font-weight: 500;
    font-size: 0.9375rem;
    line-height: 1.4;
}

.module-type-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.live-badge {
    background-color: var(--wine-gold-light);
    color: var(--wine-red-dark);
}

.module-status { flex-shrink: 0; }

.module-check {
    color: var(--success);
    font-weight: 700;
    font-size: 1.25rem;
}

/* ============================================
   MODULE PAGE (Reading View)
   ============================================ */

.module-page {
    padding: var(--space-xl) 0;
}

.module-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.module-header-top {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    margin-bottom: var(--space-md);
}

.module-order-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--wine-red);
    color: var(--bg-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(114,47,55,0.3);
}

.module-page-title {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.module-meta {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    flex-wrap: wrap;
}

.reading-time {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--wine-gold-light);
    color: var(--wine-red-dark);
    font-size: 0.875rem;
    border-radius: 4px;
    font-weight: 500;
}

/* Module video container */
.module-video-container {
    margin-bottom: var(--space-xl);
    border-radius: 12px;
    overflow: hidden;
    background-color: #000;
    border: 1px solid var(--border-color);
}

.module-video-container video {
    display: block;
    width: 100%;
}

/* Module audio container */
.module-audio-container {
    margin-bottom: var(--space-xl);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--wine-red);
    border-radius: 0 12px 12px 0;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.module-audio-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--wine-red);
    white-space: nowrap;
}

.module-audio-container audio {
    flex: 1;
    min-width: 0;
    height: 40px;
}

@media (max-width: 640px) {
    .module-audio-container {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-md);
    }

    .module-audio-container audio {
        width: 100%;
    }
}

/* Reading progress bar */
.reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background-color: var(--wine-red);
    z-index: 1000;
    transition: width 0.1s;
}

/* Table of Contents */
.module-toc {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-md);
    margin-bottom: var(--space-xl);
}

.toc-title {
    font-weight: 600;
    color: var(--wine-red);
    cursor: pointer;
    user-select: none;
}

.toc-content {
    margin-top: var(--space-md);
}

.toc-content ul {
    list-style: none;
    padding-left: var(--space-md);
}

.toc-content li {
    margin-bottom: var(--space-xs);
}

.toc-content a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.toc-content a:hover {
    color: var(--wine-red);
}

/* ============================================
   MARKDOWN CONTENT
   ============================================ */

.markdown-content { margin-top: var(--space-xl); }

.markdown-content h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: var(--space-xxl);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.markdown-content h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    line-height: 1.3;
    color: var(--wine-red-dark);
}

.markdown-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.markdown-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.markdown-content p { margin-bottom: var(--space-md); }

.markdown-content ul, .markdown-content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.markdown-content li { margin-bottom: var(--space-sm); }
.markdown-content strong { font-weight: 600; }
.markdown-content em { font-style: italic; }

.markdown-content blockquote {
    border-left: 4px solid var(--wine-gold);
    padding-left: var(--space-md);
    margin: var(--space-lg) 0;
    color: var(--text-secondary);
    font-style: italic;
    background-color: var(--bg-white);
    padding: var(--space-md);
    border-radius: 0 8px 8px 0;
}

.markdown-content code {
    font-family: monospace;
    background-color: var(--bg-white);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-size: 0.875em;
    border: 1px solid var(--border-color);
}

.markdown-content pre {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    overflow-x: auto;
    font-size: 1rem;
    line-height: 1.6;
}

.markdown-content pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
}

.markdown-content details {
    margin: var(--space-md) 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-md);
    background-color: var(--bg-white);
}

.markdown-content summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--wine-red);
    user-select: none;
}

.markdown-content summary:hover { color: var(--wine-red-dark); }

.markdown-content details[open] summary {
    margin-bottom: var(--space-md);
}

/* Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin-bottom: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.markdown-content th {
    background-color: var(--bg-light);
    font-weight: 600;
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 2px solid var(--border-color);
}

.markdown-content td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.markdown-content tr:last-child td { border-bottom: none; }
.markdown-content tbody tr:hover { background-color: var(--bg-light); }

/* ============================================
   MODULE COMPLETION
   ============================================ */

.module-completion {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    background-color: var(--bg-white);
}

.complete-button {
    padding: var(--space-md) var(--space-xl);
    background-color: var(--wine-red);
    color: var(--bg-white);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 44px;
    box-shadow: 0 2px 8px rgba(114,47,55,0.3);
}
.complete-button:hover { background-color: var(--wine-red-dark); box-shadow: 0 4px 12px rgba(114,47,55,0.4); transform: translateY(-1px); }

.completion-done {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--success);
    font-weight: 600;
    font-size: 1.125rem;
}

.completion-check { font-size: 1.5rem; }

/* ============================================
   MODULE NAVIGATION
   ============================================ */

.module-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    margin-top: var(--space-xxl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
}

.nav-btn {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--wine-red);
    color: var(--bg-white);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background-color 0.2s, transform 0.1s;
    min-height: 44px;
    max-width: 45%;
}
.nav-btn:hover { background-color: var(--wine-red-dark); transform: translateY(-2px); }
.nav-btn-label { font-size: 0.75rem; opacity: 0.8; }
.nav-btn-title { font-size: 0.875rem; font-weight: 400; opacity: 0.9; }
.nav-btn-spacer { flex: 1; }
.nav-btn-next { margin-left: auto; }

@media (max-width: 640px) {
    .nav-btn { font-size: 0.875rem; padding: var(--space-sm) var(--space-md); max-width: 48%; }
    .nav-btn-title { display: none; }
}

/* ============================================
   QUIZ STYLES
   ============================================ */

.quiz-page { padding: var(--space-xl) 0; }

.quiz-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.quiz-progress-container { margin-bottom: var(--space-xl); }

.quiz-progress-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.quiz-progress-bar-container {
    width: 100%;
    height: 4px;
    background-color: var(--bg-medium);
    border-radius: 2px;
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    background-color: var(--wine-red);
    border-radius: 2px;
    transition: width 0.3s ease;
}

#quiz-container { margin-bottom: var(--space-lg); }

.quiz-question {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.quiz-question:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.quiz-question-text {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.quiz-options { margin-top: var(--space-md); }

.quiz-option {
    display: block;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: var(--space-sm);
    min-height: 48px;
    cursor: pointer;
    transition: all 0.2s;
    background-color: var(--bg-white);
}

.quiz-option:hover { border-color: var(--wine-red); }
.quiz-option.selected { border-color: var(--wine-red); background-color: rgba(114, 47, 55, 0.05); }

.quiz-option input[type="radio"] { margin-right: var(--space-sm); accent-color: var(--wine-red); }
.quiz-option-text { font-size: 1rem; color: var(--text-primary); }

.quiz-nav-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-xl);
    gap: var(--space-md);
}

.quiz-nav-btn {
    padding: var(--space-md) var(--space-xl);
    min-height: 48px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    background-color: var(--bg-white);
    color: var(--text-primary);
}

.quiz-nav-btn.primary {
    background-color: var(--wine-red);
    color: var(--bg-white);
    border-color: var(--wine-red);
}

.quiz-nav-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); }
.quiz-nav-btn.primary:hover:not(:disabled) { background-color: var(--wine-red-dark); }
.quiz-nav-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Quiz Results */
.quiz-results-page { padding: var(--space-xl) 0; }

.quiz-results-summary {
    text-align: center;
    padding: var(--space-xl);
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: var(--space-xl);
}

.quiz-results-score { font-size: 2rem; font-weight: 700; margin-bottom: var(--space-md); }
.quiz-results-score.score-high { color: var(--success); }
.quiz-results-score.score-mid { color: var(--warning); }
.quiz-results-score.score-low { color: var(--error); }

.quiz-results-feedback { font-style: italic; color: var(--text-secondary); font-size: 1.125rem; margin: 0; }

.quiz-results-review { margin-top: var(--space-xxl); }

.quiz-question-review {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-white);
}

.quiz-options-review { margin-top: var(--space-md); }

.quiz-option-result {
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.quiz-option-result.correct-selected { background-color: #dcfce7; border-left: 4px solid var(--success); }
.quiz-option-result.correct-not-selected { border: 2px solid var(--success); }
.quiz-option-result.wrong-selected { background-color: #fee2e2; border-left: 4px solid var(--error); }

.result-icon { font-weight: 700; font-size: 1.125rem; }
.result-icon.correct { color: var(--success); }
.result-icon.correct-not-picked { color: var(--success); }
.result-icon.wrong { color: var(--error); }

.quiz-explanation {
    font-style: italic;
    color: var(--text-secondary);
    margin-top: var(--space-md);
    padding: var(--space-md);
    background-color: var(--bg-light);
    border-radius: 6px;
    border-left: 3px solid var(--wine-gold);
}

.quiz-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-xxl);
    flex-wrap: wrap;
}

.quiz-action-btn {
    padding: var(--space-md) var(--space-xl);
    border-radius: 8px;
    min-height: 48px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.2s;
}

.quiz-retake-btn { background-color: var(--wine-red); color: var(--bg-white); }
.quiz-retake-btn:hover { background-color: var(--wine-red-dark); }

.quiz-home-btn { border: 2px solid var(--wine-red); color: var(--wine-red); background-color: var(--bg-white); }
.quiz-home-btn:hover { background-color: var(--bg-light); }

.module-quiz-section {
    margin-top: var(--space-xl);
    text-align: center;
    padding: var(--space-lg);
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.quiz-start-btn {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--wine-red);
    color: var(--bg-white);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    min-height: 48px;
    line-height: 1.6;
    transition: all 0.2s;
}
.quiz-start-btn:hover { background-color: var(--wine-red-dark); }

/* ============================================
   LOGIN & REGISTER
   ============================================ */

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: var(--space-xl) 0;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: var(--space-xl);
    border-radius: 12px;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.login-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--wine-red);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.login-error {
    background-color: #FEF2F2;
    color: var(--error);
    border: 1px solid #FECACA;
    border-radius: 6px;
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    text-align: center;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-base);
    color: var(--text-primary);
    background-color: var(--bg-white);
    transition: border-color 0.2s;
    min-height: 44px;
}

.form-input:focus {
    outline: none;
    border-color: var(--wine-red);
    box-shadow: 0 0 0 3px rgba(114, 47, 55, 0.15);
}

.login-button {
    padding: var(--space-md);
    background-color: var(--wine-red);
    color: var(--bg-white);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 44px;
    box-shadow: 0 2px 8px rgba(114,47,55,0.3);
}
.login-button:hover { background-color: var(--wine-red-dark); box-shadow: 0 4px 12px rgba(114,47,55,0.4); transform: translateY(-1px); }

.register-link {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.register-link a {
    color: var(--wine-red);
    font-weight: 500;
    text-decoration: none;
}
.register-link a:hover { text-decoration: underline; }

/* ============================================
   ACCOUNT PAGE
   ============================================ */

.account-page { padding: var(--space-xl) 0; }

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
}

.account-info {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.account-info p {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}
.account-info p:last-child { margin-bottom: 0; }

.account-section { margin-bottom: var(--space-xxl); }

.enrollment-list { display: grid; gap: var(--space-md); }

.enrollment-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.enrollment-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.enrollment-card-body { padding: var(--space-lg); }

.enrollment-course-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--wine-red);
    margin-bottom: var(--space-sm);
}

.enrollment-course-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-style: italic;
}

.enrollment-progress { margin: var(--space-md) 0; }

.enrollment-progress-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    display: block;
}

.enrollment-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    margin-top: var(--space-md);
}

.enrollment-status {
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
}

.status-active { color: var(--success); background-color: var(--success-bg); }
.status-expired { color: var(--error); background-color: #fef2f2; }
.status-pending { color: var(--warning); background-color: #fffbeb; }

.enrollment-expiry { color: var(--text-light); }

.enrollment-card-actions {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.available-course-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
}

.available-course-card h3 {
    font-size: 1.125rem;
    color: var(--wine-red);
    margin-bottom: var(--space-sm);
}

.empty-state {
    color: var(--text-secondary);
    font-style: italic;
    padding: var(--space-lg);
    text-align: center;
    background-color: var(--bg-white);
    border-radius: 8px;
    border: 1px dashed var(--border-color);
}

/* Alerts */
.alert {
    padding: var(--space-md);
    border-radius: 8px;
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
}

.alert-warning {
    background-color: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 640px) {
    .catalog-title { font-size: 1.5rem; }

    .quiz-nav-buttons { flex-direction: column; }
    .quiz-nav-btn { width: 100%; }

    .quiz-actions { flex-direction: column; }
    .quiz-action-btn { width: 100%; justify-content: center; }

    .module-page-title { font-size: 1.375rem; }
}

/* ============================================
   COLLAPSIBLE H2 SECTIONS
   ============================================ */

details.section-collapsible {
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-sm);
}

details.section-collapsible:last-child {
    border-bottom: none;
}

summary.section-summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
}

summary.section-summary::-webkit-details-marker { display: none; }

summary.section-summary::before {
    content: "\25B6";
    font-size: 0.625rem;
    color: var(--text-light);
    transition: transform 0.2s;
    flex-shrink: 0;
}

details.section-collapsible[open] > summary.section-summary::before {
    transform: rotate(90deg);
}

summary.section-summary h2 {
    display: inline;
    margin: 0;
    font-size: 1.375rem;
}

.section-body {
    padding-top: var(--space-sm);
}

/* ============================================
   FLIP CARDS (Verificacion de conocimientos)
   ============================================ */

details.section-verificacion {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    border-bottom: none;
}

.flip-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

@media (min-width: 640px) {
    .flip-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.flip-card {
    perspective: 800px;
    min-height: 200px;
    cursor: pointer;
}

.flip-card:focus {
    outline: 2px solid var(--wine-red);
    outline-offset: 2px;
    border-radius: 12px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 200px;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 12px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.flip-card-front {
    background: linear-gradient(135deg, #FAF5EF, #F5ECE0);
    border: 1px solid var(--border-color);
}

.flip-card-back {
    background: linear-gradient(135deg, var(--wine-red), var(--wine-red-dark));
    color: var(--bg-white);
    transform: rotateY(180deg);
    border: 1px solid var(--wine-red-dark);
}

.flip-card-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--wine-red);
    color: var(--bg-white);
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    flex-shrink: 0;
}

.flip-card-question {
    font-size: 0.9375rem;
    line-height: 1.5;
    flex: 1;
}

.flip-card-question p { margin-bottom: 0; }

.flip-hint {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: var(--space-sm);
    font-style: italic;
}

.flip-card-answer {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.flip-card-answer p { margin-bottom: var(--space-sm); }
.flip-card-answer p:last-child { margin-bottom: 0; }

.flip-card-back strong {
    color: var(--wine-gold-light);
}

/* ============================================
   REFLEXION CALLOUT (Preguntas de reflexion)
   ============================================ */

details.section-reflexion {
    background-color: #FFFBF0;
    border: 1px solid #F0DFA8;
    border-left: 4px solid var(--wine-gold);
    border-radius: 0 12px 12px 0;
    padding: var(--space-md) var(--space-lg);
    border-bottom: none;
}

details.section-reflexion summary.section-summary::before {
    color: var(--wine-gold);
}

details.section-reflexion summary.section-summary h2 {
    color: #8B6914;
}

details.section-reflexion summary.section-summary h2::before {
    content: "\1F4AD ";
}

details.section-reflexion .section-body {
    line-height: 1.75;
}

details.section-reflexion .section-body > p:first-child {
    font-style: italic;
    color: var(--text-secondary);
}

/* ============================================
   EJERCICIO ACTION CARD (Ejercicio practico)
   ============================================ */

details.section-ejercicio {
    background-color: #F0FAF4;
    border: 1px solid #B8E6CC;
    border-left: 4px solid #2E9B63;
    border-radius: 0 12px 12px 0;
    padding: var(--space-md) var(--space-lg);
    border-bottom: none;
}

details.section-ejercicio summary.section-summary::before {
    color: #2E9B63;
}

details.section-ejercicio summary.section-summary h2 {
    color: #1B6B3A;
}

details.section-ejercicio summary.section-summary h2::before {
    content: "\1F4CB ";
}

details.section-ejercicio .section-body ol {
    counter-reset: ejercicio-step;
    list-style: none;
    padding-left: 0;
}

details.section-ejercicio .section-body ol > li {
    counter-increment: ejercicio-step;
    padding-left: calc(var(--space-xl) + var(--space-sm));
    position: relative;
    margin-bottom: var(--space-md);
}

details.section-ejercicio .section-body ol > li::before {
    content: counter(ejercicio-step);
    position: absolute;
    left: 0;
    top: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: #2E9B63;
    color: var(--bg-white);
    font-size: 0.8125rem;
    font-weight: 700;
}

/* ============================================
   GROUPED LECCION (Seccion A/B/C merged)
   ============================================ */

details.section-leccion .section-body h2 {
    font-size: 1.25rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--border-color);
    color: var(--wine-red-dark);
}

details.section-leccion .section-body h2:first-child {
    margin-top: 0;
}

/* ============================================
   NOTA FINAL (Key message highlight)
   ============================================ */

details.section-nota-final {
    background: linear-gradient(135deg, #FDF6EC, #FFF8F0);
    border: 2px solid var(--wine-gold);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    border-bottom: none;
    position: relative;
}

details.section-nota-final summary.section-summary::before {
    color: var(--wine-gold);
}

details.section-nota-final summary.section-summary h2 {
    color: var(--wine-red);
}

details.section-nota-final summary.section-summary h2::before {
    content: "\2728 ";
}

details.section-nota-final .section-body {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--text-primary);
}

details.section-nota-final .section-body p {
    margin-bottom: var(--space-md);
}

details.section-nota-final .section-body strong {
    color: var(--wine-red);
}

/* ============================================
   MOBILE ADJUSTMENTS (Section enhancements)
   ============================================ */

@media (max-width: 640px) {
    details.section-verificacion,
    details.section-reflexion,
    details.section-ejercicio,
    details.section-nota-final {
        padding: var(--space-sm) var(--space-md);
    }

    .flip-card { min-height: 180px; }
    .flip-card-inner { min-height: 180px; }

    .flip-card-front,
    .flip-card-back {
        padding: var(--space-md);
    }
}

/* ============================================
   TOOL LAUNCH BLOCK
   ============================================ */

.tool-launch {
    background: linear-gradient(135deg, #FDF6EC 0%, #FFF8F0 100%);
    border: 2px solid var(--wine-gold);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    margin: 1.5rem 0;
    text-align: center;
}

.tool-launch-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.tool-launch-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--wine-red);
    margin-bottom: 0.5rem;
}

.tool-launch-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-launch-tool {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--wine-red);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.75rem 2rem;
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 48px;
    transition: background 0.2s ease, transform 0.2s ease;
    text-decoration: none;
}

.btn-launch-tool:hover {
    background: var(--wine-red-dark);
    transform: translateY(-1px);
}

.btn-launch-tool:active {
    transform: scale(0.97);
}

.tool-launch-note {
    font-size: 0.78rem;
    color: var(--text-light);
    margin-top: 0.75rem;
}

/* ============================================
   SECTION TABS (Objetivos / Video / Teoria / etc.)
   ============================================ */

.section-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--space-lg);
}

.section-tab {
    padding: var(--space-sm) var(--space-lg);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
}

.section-tab:hover {
    color: var(--wine-red);
}

.section-tab.active {
    color: var(--wine-red);
    border-bottom-color: var(--wine-red);
    font-weight: 600;
}

@media (max-width: 640px) {
    .section-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .section-tab {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.875rem;
        flex-shrink: 0;
    }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }
}