/* Web Design Pattern Catalog - Stylesheet */

:root {
    /* Colors - Calm, Trust-Building Palette */
    --color-primary: #4A7C8C;
    --color-primary-dark: #2F5A68;
    --color-primary-light: #6B9AAA;
    --color-secondary: #8BA888;
    --color-accent: #D4A574;

    --color-capturing: #5B8A8C;
    --color-pushing: #B88B58;

    --color-background: #FAFBFC;
    --color-surface: #FFFFFF;
    --color-text: #2C3E50;
    --color-text-secondary: #5A6C7D;
    --color-text-muted: #8898A8;
    --color-border: #E1E8ED;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Layout */
    --max-width: 1200px;
    --border-radius: 8px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Site Header */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
}

.site-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.site-header .tagline {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Intro Section */
.intro {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.intro h2 {
    font-size: 1.75rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.intro > p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

/* Principles Grid */
.principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.principle {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.principle .icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.principle h3 {
    font-size: 1.125rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

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

/* Catalog Grid */
.catalog-grid {
    padding: var(--spacing-xl) 0;
}

.catalog-grid h2 {
    font-size: 1.75rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.catalog-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-lg);
    list-style: none;
}

.catalog-grid h2 {
    grid-column: 1 / -1;
}

/* Catalog Card */
.catalog-card {
    background: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.catalog-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.4;
}

.card-header h3 {
    font-size: 1.25rem;
    color: var(--color-text);
}

.card-meta {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    background: var(--color-background);
    color: var(--color-text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
}

/* Dual Inclusion Ratio Bar */
.dual-inclusion {
    margin: var(--spacing-sm) 0;
}

.ratio {
    display: flex;
    height: 24px;
    border-radius: 4px;
    overflow: hidden;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ratio .capturing {
    background: var(--color-capturing);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
}

.ratio .pushing {
    background: var(--color-pushing);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.5rem;
}

.ratio.na, .ratio.adaptive {
    background: var(--color-background);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
}

.emotional-axis {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.emotional-axis strong {
    color: var(--color-text);
}

.card-link {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    transition: background 0.2s ease;
    margin-top: auto;
}

.card-link:hover {
    background: var(--color-primary-dark);
}

.card-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Resources Section */
.resources {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.resources h2 {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-lg);
}

.resource-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.resource-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-surface);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--color-text);
    transition: box-shadow 0.2s ease;
}

.resource-link:hover {
    box-shadow: var(--shadow-md);
}

.resource-link .icon {
    font-size: 1.5rem;
    color: var(--color-primary);
}

/* Site Footer */
.site-footer {
    background: var(--color-primary-dark);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
}

.site-footer p {
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

.site-footer p:first-child {
    font-weight: 600;
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .site-header h1 {
        font-size: 1.75rem;
    }

    .site-header .tagline {
        font-size: 1rem;
    }

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

    .principles {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .principles {
        grid-template-columns: 1fr;
    }

    .resource-links {
        flex-direction: column;
        align-items: center;
    }
}

/* Print Styles */
@media print {
    .site-header {
        background: none;
        color: var(--color-text);
    }

    .catalog-card {
        box-shadow: none;
        border: 1px solid var(--color-border);
        break-inside: avoid;
    }

    .card-link {
        display: none;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==================== */
/* Showcases Section */
/* ==================== */

.showcases-section {
    margin-top: var(--spacing-xl);
}

.patterns-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border);
}

.patterns-section h2 {
    font-size: 1.75rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.showcases-section h2 {
    font-size: 1.75rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.showcases-intro {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.showcase-card {
    background: var(--color-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

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

.showcase-card.showcase-critical {
    border-left-color: #c41e3a;
}

.showcase-card.showcase-high {
    border-left-color: #2d4a3e;
}

.showcase-card.showcase-medium {
    border-left-color: var(--color-primary);
}

.showcase-card.showcase-low {
    border-left-color: var(--color-text-muted);
}

.showcase-priority {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.showcase-critical .showcase-priority {
    color: #c41e3a;
}

.showcase-high .showcase-priority {
    color: #2d4a3e;
}

.showcase-medium .showcase-priority {
    color: var(--color-primary);
}

.showcase-low .showcase-priority {
    color: var(--color-text-muted);
}

.showcase-card h3 {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.showcase-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.showcase-patterns {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.pattern-tag {
    background: var(--color-background);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.showcase-link {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    transition: background 0.2s ease;
}

.showcase-link:hover {
    background: var(--color-primary-dark);
}

@media (max-width: 768px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
}