.book{padding:clamp(80px,8vw,120px) 32px clamp(96px,12vw,160px)}.book-inner{max-width:900px;margin:0 auto}.book-grid{display:block;border:1px solid var(--color-hairline);border-radius:6px;background:var(--color-bg);overflow:hidden;scroll-margin-top:104px}.book-grid,.bk-col,.bk-col-head,.bk-month,.bk-slots,.bk-form,.bk-actions{min-width:0}.bk-progress{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:0;padding:24px clamp(32px,5vw,56px);border-bottom:1px solid var(--color-hairline);list-style:none}.bk-progress li{display:flex;align-items:center;gap:10px;min-width:0;padding-top:12px;border-top:2px solid var(--color-hairline-strong);color:var(--color-fg-muted);font-size:.875rem;line-height:1.3;transition:border-color .18s ease,color .18s ease}.bk-progress li.is-complete,.bk-progress li[aria-current=step]{border-color:var(--color-accent);color:var(--color-fg)}.bk-progress-number{display:inline-grid;flex:0 0 24px;width:24px;height:24px;place-items:center;border:1px solid var(--color-hairline-strong);border-radius:999px;color:var(--color-fg-muted);font-family:var(--font-mono);font-size:.75rem;transition:border-color .18s ease,background-color .18s ease,color .18s ease}.bk-progress li.is-complete .bk-progress-number,.bk-progress li[aria-current=step] .bk-progress-number{border-color:var(--color-accent);background:var(--color-accent);color:var(--color-accent-ink)}.book-grid[data-active-step=done] .bk-progress{display:none}.bk-col{min-height:540px;padding:clamp(36px,5vw,56px);scroll-margin-top:104px;animation:bk-step-enter .26s cubic-bezier(.22,1,.36,1) both}.bk-col[hidden]{display:none}@keyframes bk-step-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.bk-col-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:32px}.bk-step-title{margin:0;color:var(--color-fg);font-family:var(--font-display);font-size:clamp(1.75rem,3vw,2.25rem);font-weight:400;line-height:1.05;letter-spacing:-.02em}[data-step-heading]:focus{outline:0}.bk-month{display:inline-flex;align-items:center;gap:14px}.bk-month-btn{background:transparent;border:1px solid var(--color-hairline);border-radius:999px;width:44px;height:44px;flex:0 0 44px;display:inline-flex;align-items:center;justify-content:center;color:var(--color-fg);cursor:pointer;font-size:.9rem;transition:border-color .2s ease,color .2s ease}.bk-month-btn:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}.bk-month-btn:disabled{opacity:.35;cursor:not-allowed}.bk-month-label{font-family:var(--font-mono);font-size:.85rem;color:var(--color-fg-muted);letter-spacing:.02em}.bk-cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;width:min(100%,560px);margin-inline:auto}.bk-cal-h{font-family:var(--font-mono);font-size:.7rem;color:var(--color-fg-muted);text-align:center;padding:8px 0 4px}.bk-day{aspect-ratio:1 / 1;min-width:0;min-height:44px;width:100%;background:transparent;border:1px solid transparent;border-radius:4px;color:var(--color-fg);font-family:inherit;font-size:.95rem;cursor:pointer;transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .16s ease}.bk-day:hover:not(:disabled):not(.is-selected){background:var(--color-bg-muted);border-color:var(--color-hairline-strong)}.bk-day:disabled{opacity:.25;cursor:not-allowed}.bk-day.is-other{opacity:0;pointer-events:none}.bk-day.is-today{font-weight:600}.bk-day.is-today:after{content:"";display:block;width:4px;height:4px;margin:2px auto 0;border-radius:999px;background:var(--color-accent)}.bk-day.is-selected{background:var(--color-accent);color:var(--color-accent-ink);border-color:var(--color-accent)}.bk-tz{width:min(100%,560px);margin:18px auto 0;color:var(--color-fg-muted)}.bk-slots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:min(100%,720px);margin-inline:auto}.bk-empty{grid-column:1 / -1;color:var(--color-fg-muted)}.bk-slot{min-height:52px;padding:12px 16px;border:1px solid var(--color-hairline);border-radius:4px;background:var(--color-bg);color:var(--color-fg);font:inherit;font-size:.95rem;cursor:pointer;text-align:center;transition:border-color .18s ease,background-color .18s ease,color .18s ease,transform .16s ease}.bk-slot:hover{border-color:var(--color-accent);color:var(--color-accent);transform:translateY(-1px)}.bk-slot.is-selected{background:var(--color-accent);color:var(--color-accent-ink);border-color:var(--color-accent)}.bk-back{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin:-16px 0 24px;padding:8px 0;border:0;background:transparent;color:var(--color-fg-muted);font:inherit;font-size:.9375rem;cursor:pointer;transition:color .18s ease}.bk-back:hover{color:var(--color-accent)}.bk-selected-date,.bk-summary{max-width:44ch;color:var(--color-fg-muted);font-size:.9375rem;line-height:1.45;text-align:right;text-wrap:pretty}.bk-form{display:flex;flex-direction:column;gap:18px;width:min(100%,680px);margin-inline:auto}.bk-field{display:flex;flex-direction:column;gap:8px}.bk-field input,.bk-field textarea{padding:.875rem 1rem;background:var(--color-bg);border:1px solid var(--color-hairline-strong);border-radius:4px;color:var(--color-fg);font:inherit;font-size:1rem;width:100%;scroll-margin-block:112px 32px;transition:border-color .2s ease}.bk-field input::placeholder,.bk-field textarea::placeholder{color:var(--color-fg-muted)}.bk-field input:focus,.bk-field textarea:focus{outline:0;border-color:var(--color-accent)}.bk-field input[aria-invalid=true]{border-color:#c0392b}.bk-field-error{display:block;margin-top:-2px;color:#c0392b}.bk-field-error[hidden]{display:none}.bk-field .bk-opt{color:var(--color-fg-muted);font-weight:400}.bk-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.bk-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}.bk-status{margin:0;min-height:1.2em;color:var(--color-fg-muted)}.bk-status.is-err{color:#c0392b}.bk-status.is-ok{color:var(--color-accent)}.btn-ghost{background:transparent;color:var(--color-fg);border:1px solid var(--color-hairline-strong)}.btn-ghost:hover{border-color:var(--color-accent);color:var(--color-accent)}.bk-col-done{display:grid;place-items:center start}.bk-done{display:flex;flex-direction:column;gap:16px}.bk-done-h{font-family:var(--font-display);font-weight:400;font-size:clamp(1.875rem,3vw,2.5rem);line-height:1.05;letter-spacing:-.02em;margin:0}.bk-done-p{margin:0;max-width:50ch;color:var(--color-fg-muted)}.bk-done-links{display:flex;gap:24px;margin-top:16px}.bk-done-link{color:var(--color-accent);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:1px}@media(max-width:880px){.book{padding-top:72px}.bk-progress{gap:12px;padding:20px 24px}.bk-progress li{gap:8px;font-size:.8125rem}.bk-col{min-height:0;padding:36px 24px 40px}.bk-col-head{align-items:flex-start;flex-wrap:wrap;gap:12px 16px}.bk-col-head>.bk-step-title{flex:1 1 100%}.bk-month{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:8px;width:100%}.bk-month-label{min-width:0;text-align:center;overflow-wrap:anywhere}.bk-cal{gap:2px}.bk-cal-h{min-width:0;padding-inline:0;font-size:.65rem}.bk-day{aspect-ratio:auto;height:44px}.bk-slots{grid-template-columns:repeat(2,minmax(0,1fr))}.bk-selected-date,.bk-summary{width:100%;overflow-wrap:anywhere;line-height:1.5;text-align:left}}@media(max-width:640px){.book{padding:64px 20px 96px}.bk-progress{gap:8px;padding:18px 20px}.bk-progress li{align-items:flex-start;flex-direction:column;gap:8px;padding-top:10px}.bk-col{padding:28px 20px 32px}.bk-cal{margin-inline:-12px}.bk-slots{grid-template-columns:1fr}.bk-slot{min-height:48px;text-align:center}.bk-field input,.bk-field textarea{min-height:52px;scroll-margin-block:104px max(40px,calc(24px + env(safe-area-inset-bottom,0px)))}.bk-actions{flex-direction:column;align-items:stretch;gap:10px}.bk-actions .btn{justify-content:center;width:100%;white-space:normal;text-align:center}.bk-done-links{flex-direction:column;align-items:flex-start;gap:16px}}@media(max-width:360px){.book{padding-inline:0}.book-grid{border-inline:0;border-radius:0}.bk-cal{margin-inline:-20px}.bk-progress-prefix{display:none}.bk-progress-label{text-transform:capitalize}}@media(prefers-reduced-motion:reduce){.bk-col{animation:none}.bk-progress li,.bk-progress-number{transition:none}}