/* XRover 5 Masterclass — shared styles. Light/dark follow the device setting. */
:root{
  --bg:#f3f4f7; --surface:#ffffff; --ink:#141a2b; --muted:#5b6377; --line:#dde0e8;
  --accent:#e08a12; --accent-ink:#ffffff; --up:#178a5b; --down:#c8433a; --stage:#0f1424;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0d1120; --surface:#161b2e; --ink:#e9ecf4; --muted:#9aa2b8; --line:#272e45;
  --accent:#f2a33a; --accent-ink:#1a1206; --up:#3ccf8e; --down:#f06a5f; --stage:#070a14; color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.55;
  padding:max(20px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) 48px max(16px,env(safe-area-inset-left))}
.wrap{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:20px}
.brand small{font-family:var(--body);font-weight:500;font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.candles{display:flex;align-items:flex-end;gap:3px;height:22px}
.candles i{display:block;width:5px;border-radius:1px}
.candles .u{background:var(--up)} .candles .d{background:var(--down)}
.tag{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;letter-spacing:-.015em}
h1{font-size:clamp(28px,5vw,44px);line-height:1.08;font-weight:800}
h2{font-size:22px} h3{font-size:16px}
p{margin:0}
.muted{color:var(--muted)} .note{font-size:13px;color:var(--muted)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.label{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.narrow{max-width:380px;margin:40px auto;display:flex;flex-direction:column;gap:14px;width:100%}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:12px 18px;font-weight:600;text-decoration:none;text-align:center}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.small{padding:6px 10px;font-size:13px}
.foot{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}

/* Registration */
.reg{display:grid;grid-template-columns:1.1fr 1fr;gap:22px;align-items:start}
.reg>*{min-width:0}
.pitch{display:flex;flex-direction:column;gap:16px;padding-top:6px}
.pitch ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}
form.panel{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:500}
input,select{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:10px 12px;width:100%}
.days{display:flex;gap:8px;flex-wrap:wrap}
.day{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:6px 14px;font-size:13px}
.day[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.slots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.slot{position:relative;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:2px;cursor:pointer}
.slot input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.slot b{font-family:var(--mono);font-size:18px;font-weight:500}
.slot span{font-size:12px;color:var(--muted)}
.slot:has(input:checked){border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.slot:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.err{color:var(--down);font-size:13px;min-height:1em}

/* Waiting */
.waiting{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.count{display:flex;gap:14px;flex-wrap:wrap}
.count div{display:flex;flex-direction:column;align-items:center;min-width:72px;padding:10px 6px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.count b{font-family:var(--mono);font-size:34px;font-weight:500;line-height:1.1}
.count span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

/* Room */
.room{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}
.stage{display:flex;flex-direction:column;gap:10px;min-width:0}
.screen{position:relative;background:var(--stage);border-radius:12px;overflow:hidden;aspect-ratio:16/9;max-width:100%}
.screen video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}
.onair{position:absolute;top:12px;left:12px;display:flex;align-items:center;gap:8px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;padding:5px 10px;border-radius:6px}
.clock{position:absolute;top:12px;right:12px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px}
.dot{width:8px;height:8px;border-radius:50%;background:#ef4b3f;animation:pulse 1.4s infinite}
@keyframes pulse{50%{opacity:.3}}
@media (prefers-reduced-motion:reduce){.dot{animation:none}}
.sound{position:absolute;bottom:12px;right:12px;background:rgba(255,255,255,.94);color:#111;border:0;border-radius:8px;padding:9px 14px;font-weight:600;font-size:14px}
.buffer{position:absolute;inset:auto 0 50% 0;text-align:center;color:#fff;font-size:14px}
.bar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px}
.progress{height:4px;background:var(--line);border-radius:4px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--accent);width:0;transition:width .5s linear}
.offer{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;border:1px solid var(--accent);border-radius:12px;padding:16px 18px;background:var(--surface)}
.chartbox{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.chartbox header{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid var(--line)}
.chartbox h3{display:flex;align-items:center;gap:8px}
.livedot{width:8px;height:8px;border-radius:50%;background:var(--up)}
.chartwrap{height:420px}
/* Chart focus: chart on top and tall, video floats in a corner and keeps playing */
.stage.focus .chartbox{order:-1}
.stage.focus .chartwrap{height:min(70vh,560px)}
.stage.focus .screen{position:fixed;z-index:20;width:min(44vw,320px);right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));box-shadow:0 10px 30px rgba(0,0,0,.45)}
.stage.focus .screen .clock,.stage.focus .screen .onair{font-size:10px;padding:3px 7px;top:6px}
.stage.focus .screen .onair{left:6px} .stage.focus .screen .clock{right:6px}
@media (max-width:420px){.chartwrap{height:340px}}
.chat{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:12px;min-height:360px;max-height:560px}
.chat header{padding:12px 14px;border-bottom:1px solid var(--line)}
.msgs{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px;font-size:14px}
.msg{min-width:0;overflow-wrap:anywhere}
.msg b{font-weight:600}
.msg.sys{color:var(--muted);font-size:13px}
.chat form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}
.chat form .btn{padding:10px 14px}
.ended{display:flex;flex-direction:column;gap:12px;align-items:flex-start}

/* Admin */
.admin{display:flex;flex-direction:column;gap:18px}
.adminbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.adminbar input{width:auto}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:2px}
.stat b{font-size:28px;font-weight:500}
.tablewrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;white-space:nowrap}
td.wide{white-space:normal;min-width:240px}
th{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600}
tr.done td{color:var(--muted)}
.pill{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--line)}
.pill.attended{border-color:var(--up);color:var(--up)}
.pill.noshow{border-color:var(--down);color:var(--down)}

@media (max-width:820px){.reg,.room{grid-template-columns:1fr}.chat{min-height:300px}}
@media (max-width:420px){.slots{grid-template-columns:1fr}.count div{min-width:60px}.count b{font-size:28px}}