/* docs.css - Document pages styling for Instant Exam Maker */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-darker: #3730a3;
    --primary-light: #818cf8;
    --primary-ultralight: #c7d2fe;
    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    --gradient-start: #e0e7ff;
    --gradient-end: #ede9fe;
    --text-dark: #1e293b;
    --text-medium: #334155;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-medium);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Document Layout */
.document-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.document-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent) 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
    text-align: center;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.document-header:before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.document-header-content {
    position: relative;
    z-index: 1;
}

.document-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.document-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

.document-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.document-content {
    background: white;
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 3rem;
}

.document-section {
    margin-bottom: 2.5rem;
}

.document-section:last-child {
    margin-bottom: 0;
}

.document-section h2 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-ultralight);
    position: relative;
}

.document-section h2:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background: var(--primary);
}

.document-section h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin: 1.5rem 0 0.8rem;
}

.document-section p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.document-section ul, .document-section ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.document-section li {
    margin-bottom: 0.7rem;
    line-height: 1.6;
}

.document-section a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.document-section a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.highlight-box {
    background: var(--primary-ultralight);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-item:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-text h4 {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 0.2rem;
}

.contact-text p, .contact-text a {
    color: var(--text-medium);
    font-size: 0.9rem;
}

.back-to-home {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.back-to-home:hover {
    color: var(--primary-dark);
    transform: translateX(-5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .document-container {
        padding: 1rem;
    }
    
    .document-header {
        padding: 3rem 0;
    }
    
    .document-title {
        font-size: 2.2rem;
    }
    
    .document-content {
        padding: 2rem;
    }
    
    .document-section h2 {
        font-size: 1.5rem;
    }
    
    .document-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .contact-info {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .document-title {
        font-size: 1.8rem;
    }
    
    .document-content {
        padding: 1.5rem;
    }
    
    .document-section h2 {
        font-size: 1.3rem;
    }
}