/* book/_styles.css — shared styles for /book and /book/<sku> pages */

:root {
  --ink: #1f1d1a;
  --ink-soft: #4a463f;
  --ink-faint: #847d70;
  --paper: #fafaee;
  --rule: #d8d2c4;
  --accent: #0E5484;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --accent-soft: rgba(14, 84, 132, 0.08);
}

* { box-sizing: border-box; }

body {
  font-family: var(--sans);
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

/* shared floating nav — matches existing subpage pattern */
.site-nav-bar {
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 14px;
  padding: 7px 16px;
  background: rgba(250, 247, 238, 0.93);
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 12.5px;
  z-index: 300;
  white-space: nowrap;
  backdrop-filter: blur(4px);
}
.site-nav-bar a { color: var(--ink-soft); text-decoration: none; letter-spacing: 0.01em; transition: color 0.15s; }
.site-nav-bar a:hover { color: var(--accent); }
.site-nav-bar a.current { color: var(--ink); font-weight: 600; }
.site-nav-bar .sep { color: var(--ink-faint); opacity: 0.5; }
@media print { .site-nav-bar { display: none; } }
@media (max-width: 760px) {
  .site-nav-bar { font-size: 11.5px; padding: 6px 12px; gap: 10px; }
}

/* book page layout */
.book-container { max-width: 1080px; margin: 0 auto; padding: 5rem 2rem 3rem; }
.book-header h1 { font-size: 2.4rem; margin-bottom: 0.5rem; color: var(--accent); }
.book-header p { font-size: 1.1rem; color: var(--ink-soft); margin-top: 0; }
.book-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2.5rem; }
.book-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
}
.book-card h2 { color: var(--accent); margin: 0 0 0.5rem; font-size: 1.35rem; }
.book-card .meta { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 1rem; }
.book-card .for { font-size: 0.95rem; flex-grow: 1; margin-bottom: 1.5rem; color: var(--ink-soft); }
.book-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  text-align: center;
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--sans);
}
.book-cta:hover { background: #0a3f64; }
.book-cta:disabled { opacity: 0.6; cursor: not-allowed; }
.book-policy { margin-top: 3rem; padding: 1.5rem; background: #fff; border: 1px solid var(--rule); border-radius: 6px; font-size: 0.95rem; color: var(--ink-soft); }

/* slot picker */
.slot-form { background: #fff; padding: 2rem; border-radius: 8px; border: 1px solid var(--rule); margin-top: 2rem; }
.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.5rem; margin-top: 1rem; }
.slot-button {
  background: #fff;
  border: 1px solid var(--rule);
  padding: 0.6rem;
  cursor: pointer;
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: var(--sans);
}
.slot-button:hover { border-color: var(--accent); }
.slot-button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.slot-button.selected { background: var(--accent); color: #fff; border-color: var(--accent); }
.slot-button[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.book-cta:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Hero card on /book menu — promote the most-popular SKU */
.book-card-hero { border: 2px solid var(--accent); box-shadow: 0 4px 12px rgba(14,84,132,0.12); position: relative; }
.book-card-hero::before { content: '★ Most popular'; position: absolute; top: -10px; left: 16px; background: var(--accent); color: #fff; font-size: 0.75rem; padding: 2px 10px; border-radius: 4px; letter-spacing: 0.02em; }

/* mobile: tighter slot grid */
@media (max-width: 480px) {
  .slot-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 0.4rem; }
  .slot-button { padding: 0.5rem 0.3rem; font-size: 0.85rem; }
  .book-container { padding: 4.5rem 1rem 2rem; }
}
.slot-day { margin-top: 1.5rem; }
.slot-day-label { font-weight: 600; margin-bottom: 0.5rem; color: var(--ink-soft); }
.field { margin-top: 1rem; }
.field label { display: block; font-size: 0.95rem; margin-bottom: 0.3rem; color: var(--ink-soft); }
.field input { width: 100%; padding: 0.6rem; border: 1px solid var(--rule); border-radius: 4px; font-size: 1rem; font-family: var(--sans); }
.slot-loading { text-align: center; color: var(--ink-soft); padding: 2rem; }
.slot-error { color: #b00020; padding: 1rem; background: #fee; border-radius: 4px; }