/* Instructional Philosophies Documentation Styles */

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

:root {
    --primary-color: #8b5cf6;
    --secondary-color: #10b981;
    --curriculum-color: #3b82f6;
    --competency-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #fbbf24;
    --dark-bg: #0a0a0f;
    --dark-surface: #1a1a2e;
    --dark-elevated: #16213e;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 50%, var(--dark-elevated) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo:hover {
    color: #a78bfa;
}

.header-nav {
    display: flex;
    gap: 20px;
}

.header-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s;
}

.header-nav a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 30px;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-nav {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
}

.sidebar-nav h3 {
    color: var(--primary-color);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: 600;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 8px;
}

.sidebar-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 14px;
}

.sidebar-nav a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.sidebar-nav a.active {
    color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
    border-left: 3px solid var(--primary-color);
    font-weight: 600;
}

/* Main Content */
.main-content {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-radius: 16px;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #8b5cf6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Typography */
h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

h2 {
    font-size: 28px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--primary-color);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

h4 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

/* Philosophy Cards */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.philosophy-card {
    background: rgba(255, 255, 255, 0.05);
    border: 3px solid;
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
}

.philosophy-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.philosophy-card.curriculum {
    border-color: var(--curriculum-color);
}

.philosophy-card.curriculum:hover {
    background: rgba(59, 130, 246, 0.1);
}

.philosophy-card.competency {
    border-color: var(--competency-color);
}

.philosophy-card.competency:hover {
    background: rgba(245, 158, 11, 0.1);
}

.philosophy-icon {
    font-size: 64px;
    margin-bottom: 20px;
    display: block;
}

.philosophy-card h3 {
    margin-top: 0;
    font-size: 28px;
}

.philosophy-card.curriculum h3 {
    color: var(--curriculum-color);
}

.philosophy-card.competency h3 {
    color: var(--competency-color);
}

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-card h3 {
    margin-top: 0;
    font-size: 20px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table thead {
    background: rgba(139, 92, 246, 0.15);
}

.comparison-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.comparison-table th.curriculum-header {
    color: var(--curriculum-color);
}

.comparison-table th.competency-header {
    color: var(--competency-color);
}

.comparison-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.comparison-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--text-primary);
}

/* Alert Boxes */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid;
}

.alert-info {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--primary-color);
    color: var(--text-secondary);
}

.alert-curriculum {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--curriculum-color);
    color: var(--text-secondary);
}

.alert-competency {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--competency-color);
    color: var(--text-secondary);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
    color: var(--text-secondary);
}

.alert strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 5px;
}

/* Code Blocks */
.code-block {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.5;
    color: #e0e0e0;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
    margin: -20px -20px 15px -20px;
}

.code-lang {
    color: var(--secondary-color);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

/* Hierarchy Diagram */
.hierarchy {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin: 20px 0;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.hierarchy .level-1 { color: var(--primary-color); font-weight: 600; }
.hierarchy .level-2 { color: var(--secondary-color); margin-left: 30px; }
.hierarchy .level-3 { color: var(--text-tertiary); margin-left: 60px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.btn-curriculum {
    background: linear-gradient(135deg, var(--curriculum-color), #2563eb);
    color: white;
}

.btn-curriculum:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.btn-competency {
    background: linear-gradient(135deg, var(--competency-color), #d97706);
    color: white;
}

.btn-competency:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-right: 5px;
}

.badge-curriculum {
    background: rgba(59, 130, 246, 0.2);
    color: var(--curriculum-color);
}

.badge-competency {
    background: rgba(245, 158, 11, 0.2);
    color: var(--competency-color);
}

.badge-green {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.badge-purple {
    background: rgba(139, 92, 246, 0.2);
    color: var(--primary-color);
}

/* Use Cases */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.use-case {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.use-case-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.use-case-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    overflow: hidden;
}

thead {
    background: rgba(139, 92, 246, 0.1);
}

th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Lists */
ul, ol {
    margin: 15px 0;
    padding-left: 30px;
}

li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

ul li::marker {
    color: var(--primary-color);
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-tertiary);
    font-size: 14px;
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
}

/* Responsive */
@media (max-width: 968px) {
    .container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

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

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

    .hero h1 {
        font-size: 32px;
    }
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-tertiary);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

/* Proficiency Levels */
.proficiency-levels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.proficiency-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.proficiency-card.acquire {
    border-color: #22c55e;
}

.proficiency-card.deepen {
    border-color: #eab308;
}

.proficiency-card.create {
    border-color: #ef4444;
}

.proficiency-number {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.proficiency-card.acquire .proficiency-number { color: #22c55e; }
.proficiency-card.deepen .proficiency-number { color: #eab308; }
.proficiency-card.create .proficiency-number { color: #ef4444; }

.proficiency-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.proficiency-desc {
    font-size: 14px;
    color: var(--text-tertiary);
}