:root { --bg:#f5f6f8; --card:#fff; --ink:#1d2330; --muted:#6b7280; --accent:#2f6f4f; --line:#e3e6eb; --err:#b3261e; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#14171c; --card:#1d222a; --ink:#eceff4; --muted:#9aa3b2; --accent:#5fb98a; --line:#2e3540; --err:#ff8a80; }
}
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font:16px/1.45 system-ui, sans-serif; }
main { max-width:640px; margin:0 auto; padding:16px; }
h1 { margin:8px 0 0; font-size:1.5rem; }
h2 { margin:0 0 12px; font-size:1.1rem; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:16px; margin:14px 0; }
.muted { color:var(--muted); font-size:.9rem; margin:4px 0 12px; }
.hidden { display:none; }
label { display:block; margin:10px 0; font-size:.9rem; color:var(--muted); }
input, select { width:100%; padding:10px; margin-top:4px; font:inherit; color:var(--ink); background:var(--bg); border:1px solid var(--line); border-radius:8px; }
button { font:inherit; padding:10px 16px; border-radius:8px; border:1px solid var(--line); cursor:pointer; background:var(--card); color:var(--ink); }
button.primary { background:var(--accent); color:#fff; border-color:var(--accent); width:100%; margin-top:8px; }
button.link { background:none; border:none; color:var(--muted); width:100%; margin-top:6px; text-decoration:underline; }
button:disabled { opacity:.5; cursor:wait; }
.row { display:flex; gap:8px; }
.row > button { flex:1; }
.person { border:1px solid var(--line); border-radius:10px; padding:12px; margin-bottom:12px; }
.person-head { display:flex; justify-content:space-between; align-items:center; gap:8px; }
.person-head .grow { flex:1; }
.badge { font-size:.8rem; background:var(--bg); border:1px solid var(--line); border-radius:99px; padding:2px 10px; white-space:nowrap; }
.rm { border:none; background:none; color:var(--err); font-size:1.2rem; padding:4px 8px; }
.grid { display:grid; grid-template-columns:1fr 1fr; gap:8px 12px; margin-top:8px; }
.grid label { margin:0; }
.check { display:flex; align-items:center; gap:8px; color:var(--ink); margin-top:10px; }
.check input { width:auto; margin:0; }
.stepper { display:flex; align-items:center; gap:6px; margin-top:4px; }
.stepper button { padding:4px 12px; }
.stepper span { min-width:1.5em; text-align:center; }
table { width:100%; border-collapse:collapse; font-size:.92rem; }
td { padding:4px 0; border-bottom:1px solid var(--line); }
td:last-child { text-align:right; white-space:nowrap; }
.total { font-size:1.15rem; text-align:right; margin:12px 0 4px; }
.error { color:var(--err); margin:8px 0 0; }
.ok { color:var(--accent); margin:8px 0 0; font-weight:600; }
nav#tabs { display:flex; gap:6px; overflow-x:auto; margin:12px 0 0; padding-bottom:2px; }
nav#tabs button { white-space:nowrap; border-radius:99px; padding:8px 14px; }
nav#tabs button.active { background:var(--accent); color:#fff; border-color:var(--accent); }
.names { list-style:none; margin:0; padding:0; columns:2; column-gap:16px; }
.names li { padding:4px 0; border-bottom:1px solid var(--line); break-inside:avoid; }
.sec { margin:16px 0 4px; font-weight:600; font-size:.95rem; }
.slot { display:flex; align-items:center; gap:8px; padding:8px 0; border-bottom:1px solid var(--line); }
.slot .lbl { flex:1; min-width:0; }
.slot .sub { color:var(--muted); font-size:.85rem; }
.slot.free .lbl { color:var(--muted); }
.slot input { margin:0; }
.slot button { padding:6px 12px; }
.room { margin:10px 0; }
.room b { display:inline-block; min-width:3em; }
.loader { position:fixed; inset:0; z-index:100; background:rgba(0,0,0,.45); display:flex; flex-direction:column; align-items:center; justify-content:center; color:#fff; cursor:wait; }
.loader.hidden { display:none; }
.spinner { width:44px; height:44px; border:4px solid rgba(255,255,255,.3); border-top-color:#fff; border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }
.modal { position:fixed; inset:0; z-index:90; background:rgba(0,0,0,.7); overflow:auto; padding:16px; }
.modal-box { position:relative; max-width:720px; margin:0 auto; background:var(--card); border-radius:12px; padding:16px; }
.modal-box figure { margin:0 0 16px; }
.modal-box img { width:100%; border-radius:8px; display:block; }
.modal-box figcaption { color:var(--muted); font-size:.9rem; margin-top:4px; }
.modal-x { position:sticky; top:0; float:right; z-index:1; }
#rooms > button { margin-bottom:12px; }
.names2 { display:flex; gap:6px; } .names2 input { margin:0; min-width:0; }
.pay { background:var(--bg); border:1px solid var(--line); border-radius:8px; padding:10px 12px; margin:8px 0 12px; }
.pay dl { display:grid; grid-template-columns:auto 1fr; gap:4px 12px; margin:0; font-size:.95rem; }
.pay dt { color:var(--muted); }
.pay dd { margin:0; font-weight:600; word-break:break-word; }
button.copy { padding:2px 8px; font-size:.8rem; margin-left:6px; }