/* Quantara Wiki - Main Stylesheet */
/* Version: 1.1.0 - Enhanced Mobile Support */

:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --highlight-color: #e94560;
    --background-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #2c3e50;
    --text-light: #6c757d;
    --border-color: #e9ecef;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Header with Mobile Support */
.header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid var(--highlight-color);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 0.5rem 0;
}

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

.nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.nav a.active {
    background: rgba(255,255,255,0.3);
    font-weight: 600;
}

/* Container and Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    min-height: calc(100vh - 200px);
}

.sidebar {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 120px;
    border: 1px solid var(--border-color);
}

.sidebar h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.75rem;
}

.sidebar h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-secondary);
    border-radius: 2px;
}

.sidebar ul {
    list-style: none;
}

.sidebar li {
    margin-bottom: 0.5rem;
}

.sidebar a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.75rem 1rem;
    display: block;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 500;
    border: 1px solid transparent;
}

.sidebar a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateX(5px);
    box-shadow: var(--shadow-hover);
}

.main-content {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

/* Content Sections */
.section {
    margin-bottom: 2rem;
}

.section h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    font-weight: 700;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--gradient-secondary);
    border-radius: 1px;
}

/* Alert Boxes */
.info-box, .warning-box, .danger-box, .success-box, .emergency-box {
    padding: 1.5rem;
    border-radius: 15px;
    margin: 1.5rem 0;
    border-left: 5px solid;
    box-shadow: var(--shadow);
}

.info-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-left-color: var(--info-color);
    color: #0d47a1;
}

.warning-box {
    background: linear-gradient(135deg, #fff3e0 0%, #ffcc02 100%);
    border-left-color: var(--warning-color);
    color: #e65100;
}

.danger-box {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    border-left-color: var(--danger-color);
    color: #c62828;
}

.success-box {
    background: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
    border-left-color: var(--success-color);
    color: #2e7d32;
}

.emergency-box {
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    border-left-color: var(--danger-color);
    color: #c62828;
    border: 2px solid var(--danger-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(220, 53, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
}

/* Tables */
.dosage-table, .symptom-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.dosage-table th, .symptom-table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.dosage-table tr:nth-child(even), .symptom-table tr:nth-child(even) {
    background: rgba(0,0,0,0.02);
}

.dosage-table tr:hover, .symptom-table tr:hover {
    background: rgba(0,0,0,0.05);
}

/* Effects Grid */
.effects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.effect-category {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.effect-category h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.effect-category.positive h3 {
    color: var(--success-color);
    border-bottom-color: var(--success-color);
}

.effect-category.neutral h3 {
    color: var(--info-color);
    border-bottom-color: var(--info-color);
}

.effect-category.negative h3 {
    color: var(--danger-color);
    border-bottom-color: var(--danger-color);
}

.effect-category ul {
    list-style: none;
}

.effect-category li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-left: 1.5rem;
}

.effect-category li:last-child {
    border-bottom: none;
}

.effect-category.positive li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.effect-category.neutral li::before {
    content: '○';
    position: absolute;
    left: 0;
    color: var(--info-color);
    font-weight: bold;
}

.effect-category.negative li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: var(--danger-color);
    font-weight: bold;
}

/* Substance Grid */
.substance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.substance-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.substance-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.substance-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.substance-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.substance-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Symptom Grid */
.symptom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.symptom-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.symptom-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.symptom-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.symptom-severity {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.severity-mild {
    background: #d4edda;
    color: #155724;
}

.severity-moderate {
    background: #fff3cd;
    color: #856404;
}

.severity-severe {
    background: #f8d7da;
    color: #721c24;
}

/* Footer */
.footer {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 3rem;
    border-top: 3px solid var(--highlight-color);
}

.footer p {
    font-size: 1rem;
    font-weight: 500;
}

/* Enhanced Responsive Design */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 250px 1fr;
        gap: 1.5rem;
        padding: 0.75rem;
    }
    
    .substance-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .sidebar {
        position: static;
        order: 2;
    }
    
    .substance-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .effects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 0 0.75rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem;
    }
    
    .nav a {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .container {
        padding: 0.5rem;
        gap: 1rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .sidebar {
        padding: 1rem;
    }
    
    .section h2 {
        font-size: 1.4rem;
    }
    
    .substance-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .symptom-grid {
        grid-template-columns: 1fr;
    }
    
    .effects-grid {
        grid-template-columns: 1fr;
    }
    
    .dosage-table, .symptom-table {
        font-size: 0.8rem;
    }
    
    .dosage-table th, .dosage-table td,
    .symptom-table th, .symptom-table td {
        padding: 0.5rem;
    }
    
    .info-box, .warning-box, .danger-box, .success-box, .emergency-box {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.5rem 0;
    }
    
    .header-content {
        padding: 0 0.5rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .nav {
        gap: 0.2rem;
    }
    
    .nav a {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .container {
        padding: 0.25rem;
    }
    
    .main-content {
        padding: 0.75rem;
        border-radius: 15px;
    }
    
    .sidebar {
        padding: 0.75rem;
        border-radius: 15px;
    }
    
    .section h2 {
        font-size: 1.2rem;
    }
    
    .substance-card {
        padding: 1rem;
    }
    
    .effect-category {
        padding: 1rem;
    }
}

/* Print Styles */
@media print {
    .header, .sidebar, .footer {
        display: none;
    }
    
    .container {
        grid-template-columns: 1fr;
        padding: 0;
    }
    
    .main-content {
        box-shadow: none;
        border: none;
        padding: 0;
    }
    
    .dosage-table, .symptom-table {
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
a:focus, button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-color: #000000;
        --background-color: #ffffff;
        --card-bg: #ffffff;
        --border-color: #000000;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1a1a1a;
        --card-bg: #2d2d2d;
        --text-color: #ffffff;
        --text-light: #b0b0b0;
        --border-color: #404040;
    }
}