/* ==========================================================================
   SKUFD Design Tokens — extracted from skufd-mobile.pen
   Fonts: Space Grotesk (display), Inter (body), Space Mono (mono)
   ========================================================================== */

:root {
  /* Accent */
  --accent: #C4F82A;
  --accent-muted: #C4F82A40;
  --text-on-accent: #0F0F0F;

  /* Status */
  --destructive: #E04040;
  --success: #2ECC71;
  --warning: #F59E0B;

  /* Community colors */
  --community-skate: #FF6B6B;
  --community-birding: #4ECDC4;
  --community-discgolf: #F59E0B;
  --community-photo: #A78BFA;
  --community-streetart: #FF69B4;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* Fonts */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

/* Dark theme (default) */
[data-theme="dark"] {
  --bg-primary: #0F0F0F;
  --bg-surface: #1A1A1A;
  --bg-elevated: #242424;
  --text-primary: #E8E8E8;
  --text-secondary: #9A9A9A;
  --text-tertiary: #666666;
  --text-inverted: #0F0F0F;
  --border-muted: #3A3A3A;
  --border-subtle: #2A2A2A;
  --tab-active: #C4F82A;
  --tab-inactive: #525252;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #F5F5F5;
  --bg-surface: #FFFFFF;
  --bg-elevated: #EBEBEB;
  --text-primary: #1A1A1A;
  --text-secondary: #666666;
  --text-tertiary: #9A9A9A;
  --text-inverted: #F5F5F5;
  --border-muted: #D0D0D0;
  --border-subtle: #E0E0E0;
  --tab-active: #1A1A1A;
  --tab-inactive: #9A9A9A;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color 0.2s, color 0.2s;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s;
}

a:hover {
  opacity: 0.8;
}

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

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
}

.site-header .container {
  display: flex;
  align-items: center;
  height: 64px;
  gap: var(--spacing-lg);
}

.site-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.site-nav {
  display: flex;
  gap: var(--spacing-md);
  margin-left: auto;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.15s;
}

.site-nav a:hover {
  color: var(--accent);
  opacity: 1;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

[data-theme="dark"] .theme-toggle-icon::before {
  content: '☀';
  font-size: 16px;
}

[data-theme="light"] .theme-toggle-icon::before {
  content: '☾';
  font-size: 16px;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--spacing-xl);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 64px;
  color: var(--text-primary);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-lg);
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Posts
   ========================================================================== */

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-lg);
}

.post-card {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.post-card:last-child {
  border-bottom: none;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.post-meta time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

.post-category {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--accent-muted);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.post-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
  margin-bottom: var(--spacing-xs);
}

.post-card-title a {
  color: var(--text-primary);
}

.post-card-title a:hover {
  color: var(--accent);
  opacity: 1;
}

.post-card-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Single Post
   ========================================================================== */

.post-header {
  padding: 48px 0 var(--spacing-xl);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--spacing-xl);
}

.post-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 36px;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.post-content {
  padding-bottom: 64px;
}

.post-content h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  color: var(--text-primary);
  margin: 40px 0 var(--spacing-md);
}

.post-content h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
  margin: 32px 0 var(--spacing-sm);
}

.post-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.post-content ul,
.post-content ol {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.post-content li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.7;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--text-tertiary);
  font-style: italic;
}

.post-content code {
  font-family: var(--font-mono);
  font-size: 14px;
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
}

.post-content pre {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
}

.post-content pre code {
  background: none;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
}

.post-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: var(--spacing-xl) 0;
}

/* ==========================================================================
   Page (legal docs etc.)
   ========================================================================== */

.page-header {
  padding: 48px 0 var(--spacing-xl);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  color: var(--text-primary);
}

.page-content {
  padding-bottom: 64px;
}

.page-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.page-content ul,
.page-content ol {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.page-content li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.7;
}

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

.page-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.page-content em {
  color: var(--text-tertiary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  padding: var(--spacing-xl) 0;
  margin-top: 64px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.footer-brand .site-logo {
  font-size: 18px;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-brand .tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--accent);
  opacity: 1;
}

.copyright {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 600px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .hero {
    padding: 48px 0 32px;
  }

  .hero-title {
    font-size: 48px;
  }

  .post-title {
    font-size: 28px;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}