:root{--primary: #2563eb;--primary-soft: #dbeafe;--secondary: #0ea5e9;--bg: #f8fafc;--fg: #0f172a;--muted: #64748b;--border: #cbd5e1;--danger: #dc2626;--radius: 12px;font-family:IBM Plex Sans Thai,system-ui,sans-serif;color:var(--fg);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(1200px 600px at 10% -10%,#dbeafe 0%,transparent 55%),radial-gradient(900px 500px at 100% 0%,#e0f2fe 0%,transparent 50%),var(--bg)}#root{min-height:100vh}button,input,select{font:inherit}.shell{max-width:900px;margin:0 auto;padding:1.25rem 1rem 2.5rem}.call-card{padding:1rem}.call-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.75rem;margin-bottom:.75rem}.call-code{font-size:1.5rem;margin:.35rem 0 0;text-align:left;letter-spacing:.18em}.pill.rec{margin-left:.4rem;background:#fee2e2;color:#b91c1c}.status{color:#1e40af;font-size:.88rem;margin:.55rem 0 0;word-break:break-all}.brand{font-size:2rem;font-weight:700;letter-spacing:-.02em;color:var(--primary);margin:0 0 .35rem}.lead{color:var(--muted);margin:0 0 1.75rem;line-height:1.5}.card{background:#ffffffeb;border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.card h2{margin:0 0 1rem;font-size:1.05rem}label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.35rem}input,select{width:100%;padding:.7rem .85rem;border:1px solid var(--border);border-radius:10px;background:#fff;margin-bottom:.85rem}.row{display:flex;gap:.75rem;flex-wrap:wrap}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:10px;padding:.75rem 1.1rem;cursor:pointer;font-weight:600;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.error{color:var(--danger);font-size:.9rem;margin:.5rem 0 0}.code-xl{font-size:2.4rem;font-weight:700;letter-spacing:.2em;color:var(--primary);text-align:center;margin:.5rem 0 1rem}.call-stage{position:relative;width:100%;aspect-ratio:16 / 9;max-height:min(62vh,520px);height:auto;background:#000;border-radius:var(--radius);overflow:hidden;border:1px solid #1e293b}.party-grid{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(var(--cols, 1),minmax(0,1fr));gap:4px;background:#000;padding:4px}.party-grid[data-focus="1"]{display:flex;flex-direction:column;gap:6px;padding:6px;box-sizing:border-box}.party-grid[data-focus="1"] .tile.is-focus{flex:1 1 0;min-height:0;width:100%;max-height:none}.filmstrip{flex:0 0 88px;display:grid;grid-template-columns:repeat(var(--pips, 2),minmax(0,1fr));gap:6px;width:100%;min-width:0;min-height:88px;max-height:88px;overflow:hidden;box-sizing:border-box}.filmstrip[data-count="1"]{grid-template-columns:minmax(0,42%);justify-content:center}.filmstrip[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}.filmstrip[data-count="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}.filmstrip[data-count="4"]{grid-template-columns:repeat(4,minmax(0,1fr))}.filmstrip .tile.is-pip{width:100%;min-width:0;min-height:0;height:88px;max-width:none;border-radius:8px;border:1px solid rgba(255,255,255,.45);cursor:pointer}.filmstrip .tile.is-pip .tile-video,.filmstrip .tile.is-pip .tile-media video,.filmstrip .tile.is-pip .tile-media>div{object-fit:cover!important;min-width:0!important;min-height:0!important}.tile{position:relative;min-width:0;min-height:0;background:#000;overflow:hidden;border-radius:8px;cursor:pointer}.tile:focus-visible,.tile.is-focus{outline:2px solid #38bdf8;outline-offset:-2px}.tile-media{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#000}.tile-video,.tile-media video,.tile-media>div{width:100%!important;height:100%!important;max-width:100%;max-height:100%;object-fit:contain!important;background:#000;pointer-events:none}.tile-label{position:absolute;left:8px;bottom:8px;z-index:3;padding:.2rem .55rem;border-radius:999px;background:#0f172abf;color:#f8fafc;font-size:.75rem;font-weight:600;pointer-events:none}.tile-local .tile-label{background:#2563ebe6}.hint{margin:.25rem 0 0;color:var(--muted);font-size:.82rem}.call-controls{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.85rem}@media(max-width:640px){.call-stage{max-height:min(68vh,480px)}.filmstrip{flex-basis:76px;min-height:76px;max-height:76px}.filmstrip .tile.is-pip{height:76px}}.pill{display:inline-block;padding:.2rem .55rem;border-radius:999px;background:var(--primary-soft);color:#1e40af;font-size:.8rem;font-weight:600}