:root{
  --bg:#faf8f5; --ink:#1f2a2e; --muted:#667177; --line:#e4dfd7; --card:#fff;
  --accent:#1f6f6b; --accent-ink:#fff; --range:#dcefed; --taken:#b9b4ab; --err:#b3261e;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#14191b; --ink:#eef1f1; --muted:#98a5a9; --line:#2b3437; --card:#1b2124; --accent:#4fb3ad; --accent-ink:#0b1415; --range:#1f3a39; --taken:#586266; --err:#ff8a80}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.hero{padding:48px 0 28px}
.eyebrow{color:var(--accent);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.8rem;margin:0}
h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(2rem,5vw,3.2rem);margin:.2em 0}
.tagline{color:var(--muted);font-size:1.15rem;margin:0}
.grid{display:grid;grid-template-columns:1.5fr 1fr;gap:20px;padding-bottom:56px;align-items:start}
@media (max-width:820px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
h2{margin:0 0 12px;font-size:1.2rem}
.muted{color:var(--muted)} .small{font-size:.85rem}
.notice{background:var(--range);padding:10px 12px;border-radius:8px;margin-bottom:12px}
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.cal-head button{border:1px solid var(--line);background:none;color:var(--ink);border-radius:8px;width:40px;height:40px;font-size:1.1rem;cursor:pointer}
.cal-head button:disabled{opacity:.35;cursor:default}
.months-label{font-weight:600}
.calendars{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:640px){.calendars{grid-template-columns:1fr}.calendars .month:nth-child(2){display:none}}
.month h3{text-align:center;margin:0 0 6px;font-size:1rem}
.dow,.days{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.dow span{text-align:center;font-size:.72rem;color:var(--muted);padding:4px 0}
.day{aspect-ratio:1;border:0;background:none;color:var(--ink);border-radius:8px;font:inherit;cursor:pointer;min-height:40px}
.day:hover:not(:disabled){background:var(--range)}
.day:disabled{color:var(--taken);text-decoration:line-through;cursor:not-allowed}
.day.past{text-decoration:none;opacity:.4}
.day.inrange{background:var(--range);border-radius:0}
.day.start,.day.end{background:var(--accent);color:var(--accent-ink);text-decoration:none;opacity:1}
.day.blank{visibility:hidden}
.legend{font-size:.85rem;color:var(--muted);margin:14px 0 0}
.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin:0 4px 0 12px}
.dot:first-child{margin-left:0}
.dot.free{background:var(--ink);opacity:.5}.dot.taken{background:var(--taken)}.dot.sel{background:var(--accent)}
.dates-summary{font-weight:600;margin:12px 0}
.price{margin-bottom:12px}
.price .row{display:flex;justify-content:space-between;padding:3px 0}
.price .total{border-top:1px solid var(--line);margin-top:6px;padding-top:8px;font-weight:700}
form label{display:block;font-size:.9rem;margin:10px 0}
input,select{display:block;width:100%;margin-top:4px;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
.primary{width:100%;padding:13px;border:0;border-radius:10px;background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:700;cursor:pointer;margin-top:6px}
.primary:disabled{opacity:.45;cursor:not-allowed}
.error{color:var(--err);margin:8px 0 0}
.center{text-align:center;padding:72px 16px}
.link{border:0;background:none;color:var(--accent);font:inherit;cursor:pointer;padding:0;margin-bottom:10px}
#checkout-panel{padding-bottom:56px}
#checkout-panel[hidden],#main-grid[hidden]{display:none}