:root{--ink: #101828;--muted: #667085;--line: #d0d5dd;--ground: #f9fafb;--raised: #ffffff;--accent: #2563eb;--bad: #b42318;--good: #027a48;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--ground);color:var(--ink);font:16px/1.45 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}#root{min-height:100dvh}.shell{max-width:900px;margin:0 auto;padding:12px 12px calc(16px + env(safe-area-inset-bottom));display:grid;gap:12px}.bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;justify-content:space-between}.code{font:700 22px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:3px}.card{background:var(--raised);border:1px solid var(--line);border-radius:12px;padding:12px;display:grid;gap:10px}h1{font-size:20px;margin:0}h2{font-size:14px;margin:0;color:var(--muted);font-weight:600}label{display:grid;gap:4px;font-size:14px;color:var(--muted)}input,select,textarea,button{font:inherit;min-height:44px;border-radius:10px;border:1px solid var(--line);padding:8px 12px;background:var(--raised);color:var(--ink)}textarea{min-height:66px;resize:vertical}button{cursor:pointer;font-weight:600}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:default}.row{display:flex;gap:8px;flex-wrap:wrap}.row>*{flex:1 1 auto}.muted{color:var(--muted);font-size:14px;margin:0}.error{color:var(--bad);font-size:14px;margin:0}.notice{border-left:3px solid var(--accent);padding:6px 10px;background:#eef4ff;border-radius:0 8px 8px 0;font-size:14px}.notice.warn{border-left-color:#b54708;background:#fffaeb}.seats{list-style:none;margin:0;padding:0;display:grid;gap:6px}.seat{display:flex;justify-content:space-between;gap:8px;align-items:center;padding:8px 10px;border:1px solid var(--line);border-radius:10px}.seat.open{border-style:dashed;color:var(--muted)}.chat{list-style:none;margin:0;padding:0;display:grid;gap:6px;max-height:34dvh;overflow-y:auto}.chat li{font-size:14px}.chat .who{font-weight:600}.spinner{color:var(--muted);font-size:14px}