body.book {
  display: grid;
  justify-items: center;
  align-items: start;
  padding: var(--space-7) var(--space-4);
  background:
    radial-gradient(120% 60% at 50% 115%, rgb(255 120 70 / 0.16), transparent 62%),
    radial-gradient(120% 60% at 50% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    var(--bg);
}

.book-card {
  display: grid;
  gap: var(--space-5);
  width: min(560px, 100%);
  padding: var(--space-6);
  border-radius: var(--radius-l);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.book-head { display: grid; justify-items: center; gap: var(--space-3); text-align: center; }
.book-logo img { display: block; width: 220px; height: auto; max-width: 100%; }
.book-logo { margin-bottom: var(--space-2); }
.book-title { outline: none; font-size: var(--title); font-weight: 600; letter-spacing: -0.022em; line-height: 1.15; overflow-wrap: anywhere; }
.book-facts { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2) var(--space-4); margin: 0; padding: 0; list-style: none; color: var(--text-2); font-weight: 500; }
.book-facts li { display: inline-flex; align-items: center; gap: 6px; }
.book-facts svg { width: 17px; height: 17px; }

.book-closed { display: grid; justify-items: center; gap: var(--space-4); padding: var(--space-2) 0; text-align: center; }
.book-message { color: var(--text); font-size: var(--text-l); font-weight: 500; }

.book-body { display: grid; gap: var(--space-4); min-width: 0; }
.book-body .loading { min-height: 200px; }

.book-zone { display: flex; align-items: center; justify-content: center; gap: 6px; color: var(--text-2); font-size: var(--text-s); }
.book-zone svg { width: 15px; height: 15px; flex: none; }
.book-alert { padding: var(--space-3) var(--space-4); border-radius: var(--radius); background: color-mix(in srgb, var(--danger) 10%, transparent); color: var(--danger); font-weight: 500; text-align: center; }
.book-empty { padding: var(--space-6) 0; color: var(--text-2); font-weight: 500; text-align: center; }
.book-problem { display: grid; justify-items: center; gap: var(--space-3); padding: var(--space-6) 0; text-align: center; }
.book-problem svg { width: 28px; height: 28px; color: var(--danger); }
.book-problem p { font-weight: 500; }

.book-days {
  display: flex;
  gap: var(--space-2);
  margin: 0 calc(-1 * var(--space-6));
  padding: var(--space-1) var(--space-6);
  overflow-x: auto;
  scroll-padding-inline: var(--space-6);
  scrollbar-width: none;
}
.book-days::-webkit-scrollbar { display: none; }
.book-day {
  display: grid;
  flex: none;
  justify-items: center;
  gap: 1px;
  width: 62px;
  padding: var(--space-2) 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}
.book-day:hover { border-color: var(--accent); }
.book-day[aria-pressed="true"] { border-color: var(--accent); background: var(--accent); color: var(--on-accent); }
.book-weekday, .book-month { font-size: 12px; font-weight: 500; opacity: 0.85; }
.book-date { font-size: 21px; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; }

.book-times { display: grid; gap: var(--space-3); }
.book-step { font-size: var(--text-l); font-weight: 600; letter-spacing: -0.01em; outline: none; }
.book-time-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: var(--space-2); }
.book-time { min-height: 44px; padding: 0 var(--space-2); border-radius: var(--radius-s); font-variant-numeric: tabular-nums; white-space: nowrap; }
.book-time:hover { background: var(--accent); color: var(--on-accent); }

.book-when { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: var(--space-3); align-items: start; }
.book-when svg { width: 20px; height: 20px; margin-top: 2px; color: var(--accent); }
.book-when-date { font-weight: 600; }
.book-when-time { color: var(--text-2); font-variant-numeric: tabular-nums; }

.book-chosen { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); padding: var(--space-4); border-radius: var(--radius); background: var(--bg); }
.book-chosen .button { flex: none; margin: -6px -6px 0 0; color: var(--accent); }

.book-form { display: grid; gap: var(--space-4); }
.book-form .field { background: var(--surface); }
.book-submit { width: 100%; }
.book-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.book-done, .book-manage { display: grid; justify-items: center; gap: var(--space-4); padding: var(--space-2) 0; text-align: center; }
.book-done .book-when, .book-manage .book-when { text-align: left; }
.book-check { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 999px; background: color-mix(in srgb, var(--stage-won) 15%, transparent); color: var(--stage-won); }
.book-check svg { width: 26px; height: 26px; }
.book-note { color: var(--text-2); overflow-wrap: anywhere; }
.book-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); }
.book-meet-slot { display: grid; justify-items: center; }
.book-meet svg { color: var(--accent); }
.book-danger { color: var(--danger); }
.book-manage .book-submit { max-width: 320px; }

@media (max-width: 560px) {
  body.book { padding: var(--space-4) var(--space-3) var(--space-6); }
  .book-card { gap: var(--space-4); padding: var(--space-5) var(--space-4); }
  .book-days { margin: 0 calc(-1 * var(--space-4)); padding: var(--space-1) var(--space-4); scroll-padding-inline: var(--space-4); }
  .book-time-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .book-title { font-size: 24px; }
  .book-logo img { width: 190px; }
  .book-actions { flex-direction: column; align-self: stretch; }
}