:root { color-scheme: light dark; --ink:#2b2722; --bg:#faf8f4; --panel:#fff; --line:#e2dbcf;
        --muted:#7a7062; --accent:#7a5c34; --bad:#a63d2f; --ok:#3f7a4a; }
@media (prefers-color-scheme: dark) {
  :root { --ink:#e8e2d8; --bg:#16130f; --panel:#1e1a15; --line:#332c23; --muted:#9a8f80;
          --accent:#c9a678; --bad:#e08a7c; --ok:#7fb98c; }
}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);
  font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  display:grid;place-items:center;padding:1.5rem}
.card{width:100%;max-width:34rem;background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:2rem 2.25rem;box-shadow:0 8px 30px rgba(0,0,0,.07)}
.wide{max-width:60rem}
h1{font-size:1.4rem;margin:0 0 .3rem;font-weight:650;letter-spacing:-.01em}
h2{font-size:1rem;margin:1.6rem 0 .6rem;font-weight:620}
p{margin:.6rem 0;color:var(--muted)}
p.lead{color:var(--ink)}
label{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);margin:1rem 0 .3rem}
input,select{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;
  background:var(--bg);color:var(--ink);font:inherit}
input:focus{outline:2px solid var(--accent);outline-offset:1px}
button{font:inherit;cursor:pointer;border-radius:8px;padding:.6rem 1.1rem;border:1px solid transparent}
.btn{background:var(--accent);color:#fff;font-weight:560}
.btn:hover{filter:brightness(1.08)}
.btn[disabled]{opacity:.5;cursor:default}
.ghost{background:transparent;border-color:var(--line);color:var(--muted)}
.ghost:hover{color:var(--ink)}
.danger{background:var(--bad);color:#fff}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-top:1.2rem}
.msg{padding:.7rem .9rem;border-radius:8px;margin:1rem 0;font-size:.92rem;display:none}
.msg.on{display:block}
.msg.err{background:color-mix(in srgb,var(--bad) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--bad) 35%,transparent);color:var(--bad)}
.msg.ok{background:color-mix(in srgb,var(--ok) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--ok) 35%,transparent);color:var(--ok)}
.msg.info{background:color-mix(in srgb,var(--accent) 10%,transparent);
  border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);color:var(--ink)}
.code{font:1.15rem/1.9 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em;
  background:var(--bg);border:1px dashed var(--accent);border-radius:10px;padding:1rem;
  text-align:center;user-select:all;word-break:break-all;margin:1rem 0}
table{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:.6rem}
th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--muted);font-weight:600;padding:.5rem .4rem;border-bottom:1px solid var(--line)}
td{padding:.55rem .4rem;border-bottom:1px solid var(--line)}
.pill{display:inline-block;padding:.1rem .5rem;border-radius:999px;font-size:.74rem;
  border:1px solid var(--line)}
.pill.active{color:var(--ok);border-color:var(--ok)}
.pill.disabled{color:var(--bad);border-color:var(--bad)}
.seats{font:.85rem ui-monospace,Menlo,monospace;color:var(--muted)}
.hint{font-size:.85rem}
.hidden{display:none!important}
a{color:var(--accent)}

td.actions{display:flex;gap:.35rem;flex-wrap:wrap}
td.actions button{padding:.3rem .6rem;font-size:.82rem}
button[disabled]{opacity:.4;cursor:not-allowed}

.choice{display:flex;flex-direction:column;gap:.6rem;margin-top:.4rem}
.opt{display:flex;gap:.6rem;align-items:flex-start;padding:.7rem .8rem;border:1px solid var(--line);
  border-radius:10px;text-transform:none;letter-spacing:0;font-size:.9rem;color:var(--muted);
  cursor:pointer;margin:0}
.opt:has(input:checked){border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.opt input{width:auto;margin-top:.25rem;flex:none}
.opt strong{color:var(--ink)}

.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));gap:.6rem;margin:.6rem 0}
.tile{border:1px solid var(--line);border-radius:10px;padding:.7rem .8rem;background:var(--bg)}
.tile .k{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.tile .v{font-size:1.4rem;font-weight:640;margin-top:.15rem;font-variant-numeric:tabular-nums}
.tile .s{font-size:.75rem;color:var(--muted)}
.up{color:var(--ok)} .down{color:var(--bad)}
svg.usage{width:100%;height:auto;display:block;margin-top:.4rem}
svg.usage .bar{fill:var(--accent)}
svg.usage .bar.empty{fill:var(--line)}
svg.usage .axis{stroke:var(--line)}
svg.usage text{fill:var(--muted);font-size:9px;font-family:ui-monospace,Menlo,monospace}