/* =============================================
   ECLATECH OER BUILDER - STYLESHEET
   Matches eclatechusa.com design system
   ============================================= */

/* ===== CSS VARIABLES ===== */
:root {
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2234;
    --bg-card: rgba(26, 34, 52, 0.8);
    --bg-glass: rgba(16, 185, 129, 0.05);
    --accent: #10b981;
    --accent-light: #34d399;
    --accent-dark: #059669;
    --accent-glow: rgba(16, 185, 129, 0.4);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(148, 163, 184, 0.1);
    --border-accent: rgba(16, 185, 129, 0.3);
    --danger: #ef4444;
    --warning: #f59e0b;
    --font-primary: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ===== ANIMATED BACKGROUND ===== */
body::before,
body::after {
    content: "";
    position: fixed;
    inset: -20%;
    z-index: 0;
    pointer-events: none;
    filter: blur(70px);
    opacity: 0.32;
    transform: translate3d(0,0,0);
}

body::before {
    background:
        radial-gradient(circle at 18% 22%, rgba(16, 185, 129, 0.40), transparent 55%),
        radial-gradient(circle at 72% 28%, rgba(52, 211, 153, 0.28), transparent 58%),
        radial-gradient(circle at 52% 78%, rgba(16, 185, 129, 0.22), transparent 60%);
    animation: eclatech-float-a 18s ease-in-out infinite alternate;
}

body::after {
    background:
        radial-gradient(circle at 84% 70%, rgba(16, 185, 129, 0.22), transparent 60%),
        radial-gradient(circle at 30% 78%, rgba(52, 211, 153, 0.18), transparent 62%),
        radial-gradient(circle at 46% 40%, rgba(16, 185, 129, 0.14), transparent 62%);
    animation: eclatech-float-b 22s ease-in-out infinite alternate;
    opacity: 0.22;
}

@keyframes eclatech-float-a {
    0%   { transform: translate3d(-1.5%, -1%, 0) scale(1.00); }
    100% { transform: translate3d( 1.5%,  1.2%, 0) scale(1.06); }
}

@keyframes eclatech-float-b {
    0%   { transform: translate3d( 1.2%,  0.8%, 0) scale(1.00); }
    100% { transform: translate3d(-1.2%, -1.1%, 0) scale(1.05); }
}

header, main, footer, .container {
    position: relative;
    z-index: 10;
}

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

/* ===== HEADER & NAVIGATION ===== */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

.logo-placeholder {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.logo-text h1 {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(16, 185, 129, 0.1);
}

.nav-link.active {
    color: var(--accent);
    background: rgba(16, 185, 129, 0.15);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 6rem 0 4rem;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--border-accent);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 50%, #6ee7b7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
    font-family: inherit;
    text-decoration: none;
}

.btn::after {
    content: "";
    position: absolute;
    inset: -2px;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.10) 25%, transparent 55%);
    transform: translateX(-120%);
    transition: transform 420ms ease;
    pointer-events: none;
}

.btn:hover::after {
    transform: translateX(120%);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-accent);
}

.btn-secondary:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-accent);
}

.card h2 {
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--border-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* ===== LMS BADGES ===== */
.lms-section {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.lms-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.lms-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.lms-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.lms-badge {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* ===== ALERTS ===== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--border-accent);
    color: var(--accent-light);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

/* ===== DASHBOARD ===== */
.dashboard {
    padding: 2rem 0;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    color: var(--text-secondary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* ===== QUICK ACTIONS ===== */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.action-btn:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.action-btn i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.action-btn span {
    font-weight: 500;
    font-size: 0.9rem;
}

/* ===== CONTENT LIST ===== */
.content-list {
    list-style: none;
}

.content-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

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

.content-item:hover {
    background: var(--bg-secondary);
    border-radius: 8px;
}

.content-item a {
    color: var(--text-primary);
    font-weight: 500;
}

.content-item small {
    color: var(--text-muted);
    display: block;
    margin-top: 0.25rem;
}

.content-type {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent);
    font-weight: 500;
    text-transform: uppercase;
}

/* ===== WIZARD STEPS ===== */
.wizard-steps {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    flex-wrap: wrap;
}

.wizard-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-radius: 8px;
}

.wizard-step.active {
    color: var(--accent);
    background: rgba(16, 185, 129, 0.1);
    font-weight: 600;
}

.wizard-step.completed {
    color: var(--accent-light);
}

.wizard-step .step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.85rem;
}

.wizard-step.active .step-number {
    background: var(--accent);
    color: white;
}

.wizard-step.completed .step-number {
    background: var(--accent-dark);
    color: white;
}

/* ===== BOOK SELECTION ===== */
.subject-group {
    margin-bottom: 1.5rem;
}

.subject-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    padding: 0.5rem 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 0.75rem;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.book-option {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.book-option:hover {
    border-color: var(--border-accent);
    background: rgba(16, 185, 129, 0.05);
}

.book-option.selected {
    border-color: var(--accent);
    background: rgba(16, 185, 129, 0.1);
    color: var(--text-primary);
}

/* ===== CONTENT TYPE CARDS ===== */
.content-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.content-type-card {
    padding: 1.5rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-secondary);
}

.content-type-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.content-type-card.selected {
    border-color: var(--accent);
    background: rgba(16, 185, 129, 0.1);
}

.content-type-card i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.content-type-card h3 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.content-type-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== CHAPTERS LIST ===== */
.chapters-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.chapter-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}

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

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

.chapter-item input {
    margin-right: 0.75rem;
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.select-all-chapters {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
}

/* ===== CHECKBOX GRID ===== */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
}

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

.checkbox-item input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

/* ===== PREVIEW STYLES ===== */
.preview-content {
    max-height: 600px;
    overflow-y: auto;
}

.question-item {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--accent);
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.question-number {
    font-weight: 600;
    color: var(--accent);
}

.question-meta {
    display: flex;
    gap: 0.5rem;
}

.badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
}

.badge-type { background: var(--accent); color: white; }
.badge-difficulty { background: var(--warning); color: white; }
.badge-blooms { background: #8b5cf6; color: white; }

.question-text {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.options-list {
    list-style: none;
    margin-bottom: 1rem;
}

.options-list li {
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 0.25rem;
    display: flex;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.options-list li.correct {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--border-accent);
    color: var(--accent-light);
}

.answer-section {
    background: rgba(16, 185, 129, 0.1);
    padding: 0.75rem;
    border-radius: 6px;
    margin-top: 0.75rem;
    border: 1px solid var(--border-accent);
}

.answer-section strong {
    color: var(--accent);
}

.explanation {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ===== EXPORT OPTIONS ===== */
.export-option {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.export-option:hover {
    border-color: var(--border-accent);
    background: rgba(16, 185, 129, 0.05);
}

.export-option input {
    margin-right: 0.75rem;
    accent-color: var(--accent);
}

.export-option .export-info {
    flex: 1;
}

.export-option .export-name {
    font-weight: 500;
    display: block;
    color: var(--text-primary);
}

.export-option .export-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== LOADING ===== */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 26, 0.95);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.loading-subtext {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ===== TABLE ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

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

.data-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--accent);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.data-table tr:hover {
    background: var(--bg-secondary);
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .header-content {
        flex-wrap: wrap;
    }
    
    .main-nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .wizard-steps {
        flex-direction: column;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    body::before, body::after {
        animation: none;
    }
    
    .card, .btn, .feature-card {
        transition: none !important;
    }
}