:root{
  --bg:#0f172a;        /* slate-900 */
  --card:#111827;      /* gray-900 */
  --muted:#9ca3af;     /* gray-400 */
  --text:#e5e7eb;      /* gray-200 */
  --accent:#22c55e;    /* green-500 */
  --accent-2:#a3e635;  /* lime-400 */
  --border:#1f2937;    /* gray-800 */
  --warning:#f59e0b;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:14px}
.container{width:min(1100px,92%);margin-inline:auto}
header.site{position:sticky;top:0;z-index:50;background:rgba(15,23,42,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.brand{display:flex;gap:.6rem;align-items:center;font-weight:700}
.badge{font-size:.72rem;border:1px solid var(--border);padding:.2rem .5rem;border-radius:999px;color:var(--muted)}
.nav ul{display:flex;gap:1rem;list-style:none;padding:0;margin:0}
.nav a{padding:.5rem .75rem;border-radius:10px}
.nav a:hover{background:#0b1229}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#0a0f1f;padding:.7rem 1rem;border:none;border-radius:12px;font-weight:700;cursor:pointer}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.hero{padding:2.2rem 0 1.2rem}
.hero .title{font-size:clamp(1.35rem,2.6vw,2.2rem);font-weight:800;margin:0 0 .5rem}
.hero .subtitle{color:var(--muted);margin:0}
.search{margin:1rem 0;background:#0b1224;border:1px solid var(--border);border-radius:16px;padding:.8rem;display:grid;grid-template-columns:1fr;gap:.6rem}
.search .row{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.input, select{width:100%;background:#0b1224;border:1px solid var(--border);color:var(--text);padding:.85rem 1rem;border-radius:12px;outline:none}
.grid{display:grid;gap:1rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:18px;overflow:hidden}
.card .pad{padding:1rem}
.card .meta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:.9rem}
.section{padding:1.2rem 0}
.section h2{margin:.2rem 0 1rem;font-size:1.15rem}
.footer{border-top:1px solid var(--border);color:var(--muted);padding:2rem 0;margin-top:2rem}
.kicker{color:var(--accent-2);font-weight:700;letter-spacing:.08em;font-size:.75rem;text-transform:uppercase}
.list{display:grid;grid-template-columns:1fr;gap:1rem}
.room-card{display:grid;grid-template-columns:1fr;gap:.6rem}
.room-title{font-weight:800;margin:.2rem 0}
.badges{display:flex;gap:.4rem;flex-wrap:wrap}
.tag{font-size:.75rem;padding:.25rem .5rem;border:1px solid var(--border);border-radius:999px;color:var(--muted)}
/* detail */
.gallery{display:grid;gap:.6rem;grid-template-columns:1fr 1fr}
.gallery img{aspect-ratio:16/10;object-fit:cover}
.sticky-box{position:sticky;top:78px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1rem;height:fit-content}
.table{width:100%;border-collapse:collapse;font-size:.95rem}
.table td,.table th{border-bottom:1px solid var(--border);padding:.6rem .2rem;text-align:left;color:var(--text)}
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:.25rem}
.cal-head,.cal-cell{border:1px solid var(--border);text-align:center;padding:.6rem;border-radius:8px;background:#0b1224}
.cal-cell.disabled{opacity:.35}
.callout{background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.25);padding:1rem;border-radius:12px}
/* responsive */
@media (min-width:768px){
  .grid.cols-3{grid-template-columns:repeat(3,1fr)}
  .grid.cols-2{grid-template-columns:repeat(2,1fr)}
  .list{grid-template-columns:repeat(3,1fr)}
  .room-card{grid-template-columns:260px 1fr}
  .hero{padding:2.6rem 0 1.6rem}
  .search{grid-template-columns:2fr 1fr auto;align-items:center}
  .search .row{grid-template-columns:1fr 1fr 1fr 1fr}
}