.book-wrap { background: var(--cream-2); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.book-wrap .price-line { background: #f7efdb; border-radius: 12px; padding: 14px 16px; font-size: 14.5px; line-height: 1.6; margin-bottom: 12px; }
.cal-shell { min-height: 920px; border-radius: 12px; background: #fff; }
.nb-label { font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--gold-deep); margin: 6px 0 8px; }
.nb-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.nb-chip {
      border: 2px solid var(--line); background: #fff; border-radius: 10px; padding: 10px 13px;
      font: inherit; font-size: 14.5px; cursor: pointer; text-align: center; min-width: 74px;
    }
.nb-chip small { display: block; color: var(--muted); font-size: 11.5px; }
.nb-chip.sel { border-color: var(--gold-deep); background: #f7efdb; font-weight: 700; }
.nb-chip:disabled { opacity: .35; cursor: default; }
.nb-chosen { background: var(--dark); color: var(--gold); border-radius: 10px; padding: 12px 14px; font-weight: 600; font-size: 14.5px; text-align: center; margin-bottom: 10px; }
.nb-in { width: 100%; border: 2px solid var(--line); border-radius: 12px; padding: 13px; font: inherit; font-size: 16px; background: #fff; margin-bottom: 10px; }
.nb-in:focus { outline: none; border-color: var(--gold-deep); }
.nb-trust { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 10px; line-height: 1.6; }