:root {
  --bg-color: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-light: #e2e8f0;
  --brand-color: #0284c7;
  --brand-hover: #0369a1;
  --check-color: #10b981;
  --font-family: system-ui, -apple-system, sans-serif;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

.site-header {
  background-color: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: var(--spacing-md) 0;
  margin-bottom: var(--spacing-lg);
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
}
.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand-color);
}
.site-header nav a {
  margin-left: var(--spacing-md);
  color: var(--text-muted);
  text-decoration: none;
}
.site-header nav a:hover { color: var(--text-main); }

h1, h2, h3 { margin-bottom: var(--spacing-md); line-height: 1.2; }
h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
section { margin-bottom: var(--spacing-lg); padding: var(--spacing-md); background: #fff; border-radius: var(--radius); border: 1px solid var(--border-light); }
p { margin-bottom: var(--spacing-md); }

.controls { display: flex; gap: var(--spacing-md); align-items: center; margin-top: var(--spacing-md); flex-wrap: wrap; }
select, input[type="number"] {
  padding: 0.5rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  font-size: 1rem;
}
button {
  background-color: var(--brand-color);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
}
button:hover { background-color: var(--brand-hover); }
.btn-secondary { background-color: #f1f5f9; color: var(--text-main); border: 1px solid var(--border-light); }
.btn-secondary:hover { background-color: #e2e8f0; }

.tracker-grid {
  display: grid;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}
.track-row {
  display: grid;
  grid-template-columns: 40px 1fr 1fr;
  align-items: center;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: #f8fafc;
  transition: opacity 0.2s;
}
.track-row.completed {
  opacity: 0.6;
  background: #fff;
}
.track-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}
.book-col, .film-col {
  display: flex;
  flex-direction: column;
}
.item-title { font-weight: 600; font-size: 0.95rem; }
.item-desc { font-size: 0.85rem; color: var(--text-muted); }

.spoiler-panel, .review-panel { margin-top: var(--spacing-lg); }
.spoiler-text.hidden { display: none; }

.guide-section ul { margin-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }

.site-footer {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-light);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-links { margin: var(--spacing-md) 0; display: flex; justify-content: center; gap: var(--spacing-lg); }
.footer-links a { color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .track-row { grid-template-columns: auto 1fr; gap: var(--spacing-sm); }
  .film-col { grid-column: 2 / 3; }
  .site-header .container {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}