/* Layout: one column; the loom chart is the hero, seats sit beside it on wide screens, admin back end opens below behind a PIN. */
:root{
  --bg:#0e0b14; --surface:#18141f; --surface2:#211c2b; --line:#2f2840; --fg:#f4eff9; --muted:#a69db6;
  --gold:#e3b54a; --teal:#33b8ae; --ok:#4fbf6a; --warn:#e0a03a;
  --r-center:#5b2fd0; --r-pink:#d87fd3; --r-green:#4aa944; --r-outer:#3f7cc2; --r-circle:#2f9c94;
  --seam:#f1ecf7;
  --f-display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --f-body:"Figtree",ui-sans-serif,system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  color-scheme:dark;
}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){
  --bg:#f7f4fa; --surface:#ffffff; --surface2:#f0ebf6; --line:#ddd4e8; --fg:#1b1524; --muted:#6a6178;
  --gold:#a77a12; --teal:#13827a; --ok:#2c8a45; --warn:#a96a0c; --seam:#ffffff; color-scheme:light}}
:root[data-theme="light"]{
  --bg:#f7f4fa; --surface:#ffffff; --surface2:#f0ebf6; --line:#ddd4e8; --fg:#1b1524; --muted:#6a6178;
  --gold:#a77a12; --teal:#13827a; --ok:#2c8a45; --warn:#a96a0c; --seam:#ffffff; color-scheme:light}

body{background:var(--bg);color:var(--fg);font:16px/1.55 var(--f-body);
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:20px 48px}
.wrap{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:32px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.1}
a{color:var(--teal)}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

header.top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;padding-top:8px}
.brand small{display:block;font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.brand h1{font-size:clamp(34px,6vw,58px);font-weight:800;letter-spacing:-.02em}
.brand h1 span{color:var(--gold)}
.brand p{margin:6px 0 0;color:var(--muted);font-size:17px}

.switch{display:inline-flex;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px;gap:4px}
.switch button{border:0;background:transparent;color:var(--muted);padding:8px 16px;border-radius:999px;font-weight:600}
.switch button[aria-pressed="true"]{background:var(--gold);color:#1a1206}

.loom{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
@media (max-width:820px){.loom{grid-template-columns:minmax(0,1fr)}}
.chart{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:16px;display:flex;flex-direction:column;gap:12px}
.chart svg{width:100%;max-width:520px;height:auto;margin:0 auto;display:block}
.chart svg path{cursor:pointer;transition:filter .15s,opacity .15s}
.chart svg path:hover{filter:brightness(1.15)}
.chart svg path.dim{opacity:.35}
.chart svg text{font:600 15px var(--f-mono);fill:#fff;pointer-events:none}
.chart svg text.ctr{font:800 13px var(--f-display);letter-spacing:.06em}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center;font-size:13px;color:var(--muted)}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}

.seats{display:flex;flex-direction:column;gap:10px}
.seats h2{font-size:22px}
.seats .sub{color:var(--muted);margin:2px 0 6px;font-size:15px}
.seat{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:12px;align-items:center;background:var(--surface);
  border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.seat.sel{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}
.seat .num{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font:600 16px var(--f-mono);color:#fff}
.seat .name{font-weight:600;overflow-wrap:anywhere}
.seat .meta{font-size:13px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--surface2);
  color:var(--fg);padding:8px 14px;border-radius:10px;font-weight:600;text-decoration:none;font-size:14px;white-space:nowrap}
.btn.go{background:var(--teal);border-color:var(--teal);color:#04201d}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#1a1206}
.btn[aria-disabled="true"]{opacity:.55;pointer-events:none}
.seatlist{display:flex;flex-direction:column;gap:8px;max-height:640px;overflow:auto;padding-right:2px}

.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:820px){.how{grid-template-columns:minmax(0,1fr)}}
.step{border-top:3px solid var(--gold);padding-top:12px}
.step b{font:500 12px var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
.step h3{font-size:20px;margin:4px 0 6px}
.step p{margin:0;color:var(--muted);max-width:42ch}

.rotator{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:640px){.rotator{grid-template-columns:minmax(0,1fr)}}
.slot{background:var(--surface);border:1px dashed var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px;min-height:150px}
.slot .tag{font:500 11px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.slot .ad{flex:1;display:flex;flex-direction:column;justify-content:center;gap:8px}
.slot .ad img{border-radius:10px;max-height:120px;object-fit:cover;width:100%}
.slot .ad strong{font-family:var(--f-display);font-size:20px}

footer{border-top:1px solid var(--line);padding-top:16px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}
footer p{margin:0;max-width:70ch}
.linkbtn{background:none;border:0;color:var(--muted);text-decoration:underline;padding:0}

/* admin */
.admin{background:var(--surface);border:1px solid var(--gold);border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:18px}
.admin header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center}
.admin h2{font-size:26px}
.admin .eyebrow{font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.pin{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.pin input,.admin input{background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:0;width:100%}
.pin input{width:160px}
.err{color:var(--warn);font-size:14px}
.summary{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;gap:8px;align-items:center;background:var(--surface2);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:14px;font-variant-numeric:tabular-nums}
.chip.ok{border-color:var(--ok);color:var(--ok)}
.chip.off{border-color:var(--warn);color:var(--warn)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;min-width:680px;font-size:14px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font:500 11px var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--surface2)}
td.n{font:600 14px var(--f-mono);white-space:nowrap}
td input.bonus{width:90px;font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:0}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
textarea{width:100%;min-height:90px;background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:8px;font:13px var(--f-mono)}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom,0px));background:var(--gold);color:#1a1206;
  padding:10px 16px;border-radius:10px;font-weight:600}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.picker{display:flex;flex-wrap:wrap;gap:6px;max-width:520px;justify-content:flex-end}
.picker a{font:600 13px var(--f-mono);text-decoration:none;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.picker a[aria-current="page"]{background:var(--gold);border-color:var(--gold);color:#1a1206}
.loomno{display:flex;align-items:baseline;justify-content:center;gap:8px;border-top:1px dashed var(--line);padding-top:10px;margin-top:2px}
.loomno span{font:500 11px var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.loomno strong{font:800 22px var(--f-display);color:var(--gold);font-variant-numeric:tabular-nums}
.loomno em{font-style:normal;color:var(--muted);font-size:14px}
.empty{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px}
.empty p{color:var(--muted);margin:6px 0 0}