/* Vangvieng Thavikun Hotel — booking page (loaded after styles.css, only on book.html) */
/* ---------- Booking page ---------- */
.page-hero--short{min-height:min(52svh,480px)}
.book-section{padding-top:clamp(48px,7vw,90px)}
.book-layout{display:grid;gap:clamp(28px,4vw,48px);align-items:start}
@media(min-width:1000px){.book-layout{grid-template-columns:minmax(0,1fr) 360px}}
.book-steps{display:grid;gap:clamp(28px,4vw,40px);min-width:0}
.book-step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3.5vw,36px);scroll-margin-top:96px}
.book-step-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.book-step-head h2{font-size:clamp(1.6rem,3vw,2.1rem);color:var(--navy)}
.book-num{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--gold);color:var(--gold-deep);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:1.15rem;font-weight:500}

/* dates row */
.book-dates{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:stretch;margin-bottom:22px}
.date-pill{border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;background:var(--cream);display:flex;flex-direction:column;gap:4px;min-width:0;transition:border-color .3s,background .3s}
.date-pill small,.date-pill label{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-faint);font-weight:500}
.date-pill b{font-family:var(--serif);font-size:1.15rem;font-weight:500;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.date-pill.is-set{border-color:var(--line-gold);background:#fff}
.date-pill--guests{grid-column:1/-1}
.date-pill select{font:500 1.1rem var(--serif);color:var(--navy);background:transparent;border:0;padding:0;cursor:pointer;width:100%}
.date-arrow{display:flex;align-items:center;color:var(--gold)}
.date-arrow svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5}
@media(min-width:620px){.book-dates{grid-template-columns:1fr auto 1fr 150px}.date-pill--guests{grid-column:auto}}

/* calendar */
.cal{position:relative}
.cal-nav{position:absolute;inset:0 0 auto 0;display:flex;justify-content:space-between;pointer-events:none;z-index:1}
.cal-btn{pointer-events:auto;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:#fff;transition:all .3s}
.cal-btn svg{width:18px;height:18px;fill:none;stroke:var(--ink);stroke-width:1.6}
.cal-btn:hover:not(:disabled){border-color:var(--gold);background:var(--cream)}
.cal-btn:disabled{opacity:.3;cursor:default}
.cal-months{display:grid;gap:28px}
@media(min-width:760px){.cal-months{grid-template-columns:1fr 1fr;gap:36px}}
.cal-title{text-align:center;font-family:var(--serif);font-size:1.3rem;font-weight:500;color:var(--navy);height:38px;line-height:38px;margin-bottom:10px;text-transform:capitalize}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px 0}
.cal-wd{text-align:center;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);padding:6px 0 8px;font-weight:500}
.cal-day{aspect-ratio:1;max-height:48px;width:100%;font-size:.92rem;color:var(--ink);border-radius:0;position:relative;transition:background .2s,color .2s;font-variant-numeric:tabular-nums}
.cal-day:hover:not(:disabled):not(.is-start):not(.is-end){background:var(--cream-2)}
.cal-day:disabled{color:rgba(20,26,43,.22);cursor:default;text-decoration:line-through;text-decoration-color:rgba(20,26,43,.12)}
.cal-day.is-today{font-weight:500;color:var(--gold-deep)}
.cal-day.is-range{background:rgba(176,141,87,.14)}
.cal-day.is-start,.cal-day.is-end{background:var(--navy);color:#fff;font-weight:500}
.cal-day.is-start{border-radius:var(--radius) 0 0 var(--radius)}
.cal-day.is-end{border-radius:0 var(--radius) var(--radius) 0}
.cal-day.is-start:not(:has(~ .is-end)){border-radius:var(--radius)}
.cal-hint{margin-top:18px;text-align:center;font-size:.86rem;color:var(--gold-deep)}

/* rooms */
.book-rooms{display:grid;gap:16px;margin-bottom:18px}
.book-room{display:grid;grid-template-columns:1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .4s,box-shadow .4s;background:#fff}
@media(min-width:620px){.book-room{grid-template-columns:200px 1fr}}
.book-room:hover{border-color:var(--line-gold)}
.book-room.is-selected{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold),var(--shadow-sm)}
.book-room.is-off{opacity:.55}
.br-media{overflow:hidden;aspect-ratio:16/10}
@media(min-width:620px){.br-media{aspect-ratio:auto}}
.br-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-lux)}
.book-room:hover .br-media img{transform:scale(1.05)}
.br-body{padding:18px 20px;display:flex;flex-direction:column;gap:4px;min-width:0}
.br-body h3{font-size:1.4rem;color:var(--navy)}
.br-meta{font-size:.84rem;color:var(--ink-faint)}
.br-extra{font-size:.8rem;color:var(--gold-deep)}
.br-extra--off{color:#a14b3b}
.br-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:auto;padding-top:12px}
.br-price b{font-family:var(--serif);font-size:1.7rem;color:var(--gold-deep);font-weight:500;line-height:1}
.br-price small{font-size:.74rem;color:var(--ink-faint);margin-left:6px}
.br-stay{display:block;font-size:.8rem;color:var(--ink-soft);margin-top:4px}
.br-stay b{font-family:var(--sans);font-size:.86rem;color:var(--navy);font-weight:500}
.br-btn{--pad:11px 24px}
.br-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* form */
.book-form{display:grid;gap:16px}
@media(min-width:620px){.book-form{grid-template-columns:1fr 1fr}.field--full{grid-column:1/-1}}
.field{display:flex;flex-direction:column;gap:6px}
.field span{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-faint);font-weight:500}
.field input,.field textarea{font:300 1rem var(--sans);color:var(--ink);background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:13px 14px;transition:border-color .3s,background .3s;width:100%}
.field textarea{resize:vertical;min-height:90px}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--gold);background:#fff}

/* summary */
.book-summary{position:relative}
@media(min-width:1000px){.book-summary{position:sticky;top:96px}}
.sum-card{background:var(--night);color:#dfe2ea;border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.sum-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft),var(--gold-deep))}
.sum-card .overline{color:var(--gold-soft);margin-bottom:16px}
.sum-body{display:grid;gap:10px;min-height:48px}
.sum-empty{font-size:.9rem;color:#9aa1b2}
.sum-row{display:flex;justify-content:space-between;gap:14px;font-size:.88rem}
.sum-row span{color:#9aa1b2}
.sum-row b{font-weight:400;color:#fff;text-align:right}
.sum-row--room{padding-top:10px;border-top:1px solid rgba(255,255,255,.1)}
.sum-row--room span{color:#fff;font-family:var(--serif);font-size:1.1rem}
.sum-total{display:flex;justify-content:space-between;align-items:baseline;margin:20px 0 18px;padding-top:18px;border-top:1px solid rgba(212,184,132,.35)}
.sum-total span{font-size:.68rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-soft)}
.sum-total b{font-family:var(--serif);font-size:1.9rem;font-weight:500;color:#fff}
.sum-error{background:rgba(161,75,59,.18);border:1px solid rgba(214,120,100,.5);color:#ffd9cf;font-size:.84rem;padding:10px 12px;border-radius:var(--radius);margin-bottom:14px}
.sum-btn{width:100%}
.sum-btn.is-loading{opacity:.7;pointer-events:none}
.sum-secure{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 12px;margin-top:14px;font-size:.76rem;color:#9aa1b2}
.sum-secure .cards{display:flex;gap:6px}
.sum-secure .cards b{font-size:.6rem;letter-spacing:.08em;font-weight:500;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:3px;padding:3px 6px}
.sum-policy{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);display:grid;gap:6px}
.sum-policy li{font-size:.76rem;color:#9aa1b2;padding-left:14px;position:relative}
.sum-policy li::before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;background:var(--gold);transform:rotate(45deg)}

/* demo dialog */
.book-done{position:fixed;inset:0;z-index:120;background:rgba(8,12,24,.7);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;transition:opacity .3s}
.book-done.open{opacity:1}
.book-done[hidden]{display:none}
.done-card{background:var(--cream);border-radius:var(--radius);max-width:440px;width:100%;padding:36px 30px;text-align:center;box-shadow:var(--shadow);transform:translateY(12px);transition:transform .4s var(--ease-lux)}
.book-done.open .done-card{transform:none}
.done-icon{width:58px;height:58px;border-radius:50%;background:var(--gold);margin:0 auto 18px;display:flex;align-items:center;justify-content:center}
.done-icon svg{width:28px;height:28px;fill:none;stroke:#fff;stroke-width:2}
.done-card h2{font-size:2rem;color:var(--navy);margin-bottom:10px}
.done-card p{font-size:.9rem;color:var(--ink-soft)}
.done-sum{display:grid;gap:8px;margin:20px 0 24px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-align:left}
.done-sum .sum-row span{color:var(--ink-faint)}
.done-sum .sum-row b{color:var(--ink)}
.done-sum .sum-row--total b{font-family:var(--serif);font-size:1.3rem;color:var(--gold-deep)}
@media(max-width:480px){.book-dates{gap:6px}.date-pill{padding:10px 12px}.date-pill b{font-size:1rem}.date-arrow svg{width:16px;height:16px}}