/* ============================================
   DSP Mutagene - Base Styles
   ============================================ */

/* CSS Variables (override in theme) */
:root {
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.25rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 3px;
    --radius-md: 5px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 3px 10px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 12px var(--color-accent-glow);
    --color-glow: 0 0 8px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 100ms ease;
    --transition-normal: 150ms ease;
    --transition-slow: 250ms ease;
    
    /* Layout */
    --max-width: 1000px;
    --header-height: 56px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
    text-shadow: var(--color-glow);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    color: var(--color-text-primary);
}

h1 { font-size: 2rem; letter-spacing: -0.02em; }
h2 { font-size: 1.4rem; margin-bottom: var(--spacing-lg); }
h3 { font-size: 1.1rem; }

/* Typography */
.font-main { font-family: var(--font-main); }
.font-mono { font-family: var(--font-mono); }

/* Text Colors */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-bg-secondary);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo:hover {
    color: var(--color-primary-super);
}

.main-nav {
    display: flex;
    gap: var(--spacing-xl);
}

.main-nav a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.main-nav a:hover {
    text-shadow: var(--color-glow);
}

/* Main Content */
.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-xl);
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-xl) 0;
}

.hero-section h1 {
    margin-bottom: var(--spacing-lg);
    font-size: 2.5rem;
    letter-spacing: 0.02em;
}

.hero-blurb {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Plugin Grid */
.plugins-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
}

.plugin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

/* Plugin Card */
.plugin-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    max-width: 720px;
    margin: 0 auto;
}

.plugin-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}

.plugin-card-image {
    background: var(--color-bg-secondary);
    overflow: hidden;
}

.plugin-card-image img,
.plugin-card-image video {
    width: 100%;
    height: auto;
    display: block;
}

.plugin-card-image video {
    width: 100%;
    height: auto;
}

.plugin-card:hover .plugin-card-image img {
    transform: scale(1.03);
}

.plugin-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-card) 100%);
}

.plugin-card-content {
    padding: var(--spacing-lg);
}

.plugin-type {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    border: 1px solid currentColor;
}

.plugin-type-synth {
    color: var(--color-synth);
}

.plugin-type-effect {
    color: var(--color-effect);
}

.plugin-name {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.plugin-tagline {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.plugin-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

.btn-secondary:hover {
    border-color: var(--color-text-secondary);
    color: var(--color-text-primary);
}

.btn-accent {
    background: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary-accent);
}

.btn-accent:hover {
    background: var(--color-secondary-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.9rem;
}

/* Plugin Detail Page */
.plugin-detail {
    max-width: 900px;
    margin: 0 auto;
}

.plugin-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.plugin-header h1 {
    margin: var(--spacing-md) 0;
}

.plugin-screenshots {
    margin-bottom: var(--spacing-2xl);
}

.screenshots-gallery {
    display: grid;
    gap: var(--spacing-lg);
}

.screenshot {
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.plugin-description,
.plugin-downloads,
.plugin-changelog {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

/* Downloads */
.downloads-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.download-item:hover {
    border-color: var(--color-accent);
    background: rgba(255, 230, 58, 0.05);
    color: var(--color-text-primary);
}

.download-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.download-filename {
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.download-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.download-platform {
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.platform-mac { color: var(--color-synth); }
.platform-windows { color: #60a5fa; }
.platform-linux { color: #fbbf24; }

.download-icon {
    font-size: 1.25rem;
    color: var(--color-accent);
}

.no-downloads {
    color: var(--color-text-muted);
    font-style: italic;
}

/* Markdown Content */
.markdown-content {
    line-height: 1.7;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child {
    margin-top: 0;
}

.markdown-content p {
    margin-bottom: var(--spacing-md);
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.markdown-content li {
    margin-bottom: var(--spacing-xs);
}

.markdown-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-bg-secondary);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
}

.markdown-content pre {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.markdown-content pre code {
    background: none;
    padding: 0;
}

.changelog-content h3 {
    color: var(--color-accent);
}

/* Plugin CTA */
.plugin-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buy Page */
.buy-page {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.buy-page h1 {
    margin-bottom: var(--spacing-2xl);
}

.buy-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.buy-message {
    margin-bottom: var(--spacing-2xl);
}

.buy-message h2 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.buy-message p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.buy-contact h3 {
    margin-bottom: var(--spacing-md);
}

/* Footer */
.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl);
    text-align: center;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-content p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.footer-content a {
    color: var(--color-text-secondary);
}

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

/* Responsive */
@media (max-width: 768px) {
    html { font-size: 15px; }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.25rem; }
    
    .header-content {
        padding: 0 var(--spacing-lg);
    }
    
    .main-nav {
        gap: var(--spacing-lg);
    }
    
    .main-content {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .plugin-grid {
        grid-template-columns: 1fr;
    }
    
    .plugin-card-actions {
        flex-direction: column;
    }
    
    .plugin-card-actions .btn {
        width: 100%;
    }
    
    .plugin-description,
    .plugin-downloads,
    .plugin-changelog {
        padding: var(--spacing-lg);
    }
    
    .download-item {
        padding: var(--spacing-md);
    }
    
    .plugin-cta {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    html { font-size: 14px; }
    
    .main-nav a {
        font-size: 0.75rem;
    }
    
    .logo {
        font-size: 1rem;
    }
}