/* ============================================================
   Doodle Vu — Static Pages Shared Stylesheet
   ============================================================
   All static HTML content pages reference this file.
   Design tokens ported from src/theme/tokens.ts.
   ============================================================ */

/* ─── CSS Custom Properties (from tokens.ts) ──────────────── */

:root {
  /* Brand */
  --accent: #FF6B35;
  --accent-light: #FF8F65;
  --accent-dark: #E55A28;
  --accent-muted: rgba(255, 107, 53, 0.12);

  /* Light mode surfaces */
  --bg: #f5f0eb;
  --bg-dark: #ebe5de;
  --text: #1a1a1a;
  --text-secondary: #888888;
  --text-muted: #bbbbbb;
  --card-bg: #FFFFFF;
  --border: rgba(0, 0, 0, 0.06);

  /* Score colors */
  --score-green: #22C55E;
  --score-blue: #3B82F6;
  --score-amber: #F59E0B;
  --score-red: #EF4444;

  /* Typography */
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  /* Layout */
  --container-max: 720px;
  --radius: 16px;
  --radius-sm: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f0f;
    --bg-dark: #0a0a0a;
    --text: #e8e8e8;
    --text-secondary: #888888;
    --text-muted: #555555;
    --card-bg: #222222;
    --border: rgba(255, 255, 255, 0.08);
  }
}

/* ─── Reset & Base ────────────────────────────────────────── */

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

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ─── Layout ──────────────────────────────────────────────── */

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.page-content {
  flex: 1;
  padding: 48px 0 80px;
}

/* ─── Header ──────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.header-brand:hover {
  text-decoration: none;
  color: var(--text);
}

.header-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.header-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.header-nav a:hover {
  color: var(--text);
  background: var(--accent-muted);
  text-decoration: none;
}

.header-nav a.active {
  color: var(--accent);
  background: var(--accent-muted);
}

.btn-play {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none !important;
  letter-spacing: 0.01em;
}

.btn-play:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-kofi {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--accent) !important;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 7px 16px;
  border-radius: 100px;
  border: 2px solid var(--accent);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
  text-decoration: none !important;
  letter-spacing: 0.01em;
}

.btn-kofi:hover {
  background: var(--accent);
  color: #fff !important;
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover { background: var(--accent-muted); }

.nav-toggle svg { display: block; }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .header-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 12px 24px 16px;
    gap: 4px;
  }

  .header-nav.open { display: flex; }

  .header-nav a {
    padding: 10px 12px;
    font-size: 0.95rem;
  }

  .btn-play {
    margin-top: 8px;
    justify-content: center;
  }

  .btn-kofi {
    margin-top: 4px;
    justify-content: center;
  }
}

/* ─── Footer ──────────────────────────────────────────────── */

.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
}

.footer-brand:hover { text-decoration: none; color: var(--text); }

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ─── Typography ──────────────────────────────────────────── */

h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.2rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

h1 .accent { color: var(--accent); }

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-top: 48px;
  margin-bottom: 12px;
}

h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  margin-top: 28px;
  margin-bottom: 8px;
}

p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

strong {
  color: var(--text);
  font-weight: 600;
}

/* ─── Cards ───────────────────────────────────────────────── */

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* ─── Game Mode Cards (How to Play) ───────────────────────── */

.mode-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 20px;
}

@media (min-width: 540px) {
  .mode-grid { grid-template-columns: 1fr 1fr; }
}

.mode-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.mode-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.mode-card:hover::before { opacity: 1; }

.mode-card .mode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.mode-card .mode-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.mode-card .mode-difficulty {
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 1px;
}

.mode-card .mode-skill {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.mode-card .mode-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ─── FAQ ─────────────────────────────────────────────────── */

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item:first-child { padding-top: 0; }
.faq-item:last-child { border-bottom: none; }

.faq-question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text);
  margin-bottom: 8px;
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ─── Blog ────────────────────────────────────────────────── */

.blog-list {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  display: block;
  transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  text-decoration: none;
}

.blog-card .blog-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  margin: 0 0 8px;
}

.blog-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ─── Blog Post Layout ────────────────────────────────────── */

.post-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.post-content p {
  font-size: 1rem;
  line-height: 1.8;
}

.post-content h2 {
  font-size: 1.25rem;
  margin-top: 36px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.back-link:hover { color: var(--accent); }

/* ─── Legal Pages ─────────────────────────────────────────── */

.legal-content h2 {
  font-size: 1.1rem;
  margin-top: 32px;
  margin-bottom: 8px;
}

.legal-content p {
  font-size: 0.95rem;
  line-height: 1.75;
}

.legal-updated {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ─── Contact ─────────────────────────────────────────────── */

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  margin: 20px 0;
}

/* ─── Hero / Intro Section ────────────────────────────────── */

.hero {
  text-align: center;
  padding: 56px 0 40px;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 16px;
}

.hero .lead {
  max-width: 520px;
  margin: 0 auto 28px;
}

@media (max-width: 540px) {
  h1 { font-size: 1.8rem; }
  .hero h1 { font-size: 2rem; }
  .page-content { padding: 32px 0 60px; }
}

/* ─── Decorative Sketch Texture ───────────────────────────── */

.sketch-divider {
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 32px 0;
  opacity: 0.7;
}

/* ─── Utility ─────────────────────────────────────────────── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}