:root{--bg:#f4f6fb;--surface:#fff;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--brand:#2563eb;--brand-d:#1d4ed8;--ok:#16a34a;--bad:#dc2626;--warn:#d97706;
  --room:#0b0f19;--tile:#1a2030;--bar:#111827;--r:14px;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
a{color:var(--brand)}h1,h2,h3{margin:0 0 8px;line-height:1.25}h1{font-size:1.7rem}h2{font-size:1.25rem}
.muted{color:var(--muted)}.small{font-size:.85rem}.hidden{display:none!important}
button,input,select,textarea{font:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:10px 16px;font-weight:600;cursor:pointer;background:var(--brand);color:#fff;text-decoration:none;min-height:42px}
.btn:hover{background:var(--brand-d)}.btn.line{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn.line:hover{border-color:var(--brand);color:var(--brand)}
.btn.red{background:var(--bad)}.btn.red:hover{background:#b91c1c}.btn.sm{padding:6px 12px;min-height:34px;font-size:.88rem}.btn:disabled{opacity:.5;cursor:not-allowed}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px}
label.l{display:grid;gap:4px;font-weight:600;font-size:.88rem}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.tick{display:flex;gap:8px;align-items:flex-start;font-size:.92rem}.tick input{width:auto;margin-top:4px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700;background:#eef2ff;color:#3730a3}
.pill.live{background:#dcfce7;color:#166534}.pill.ended{background:#f3f4f6;color:#4b5563}.pill.warn{background:#fef3c7;color:#92400e}
.err{color:var(--bad);font-size:.9rem;min-height:1.2em}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 16px;border-radius:10px;z-index:200;opacity:0;transition:.2s;pointer-events:none;max-width:92vw}
.toast.show{opacity:1}.toast.bad{background:var(--bad)}
/* ---------- home / dashboard ---------- */
.top{display:flex;align-items:center;gap:12px;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--line);flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none}
.logo i{width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;font-style:normal}
.top .sp{flex:1}.wrap{max-width:1100px;margin:0 auto;padding:24px}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;padding:40px 0}
.hero h1{font-size:2.3rem}.joinbox{display:flex;gap:8px;flex-wrap:wrap}.joinbox input{flex:1;min-width:200px}
.tabs{display:flex;gap:6px;margin:0 0 16px;flex-wrap:wrap}.tabs button{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 14px;font-weight:600;cursor:pointer}
.tabs button[aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.mlist{display:grid;gap:12px}.mcard{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.mcard .info{flex:1;min-width:220px}
.mcard .acts,.acts{display:flex;gap:6px;flex-wrap:wrap}
code{background:#f3f4f6;padding:2px 6px;border-radius:6px}
dialog{border:0;border-radius:16px;padding:0;width:min(560px,94vw);max-height:90vh;box-shadow:0 30px 70px -20px rgba(0,0,0,.5)}
dialog::backdrop{background:rgba(15,23,42,.55)}dialog form,dialog .db{padding:20px;display:grid;gap:12px}
dialog h2{display:flex;justify-content:space-between;align-items:center}.x{border:0;background:none;font-size:1.3rem;cursor:pointer;color:var(--muted)}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);font-size:.9rem}
@media (max-width:760px){.hero{grid-template-columns:1fr;padding:16px 0}.hero h1{font-size:1.8rem}.wrap{padding:16px}.top{padding:12px 16px}}
/* ---------- meeting ---------- */
body.room{background:var(--room);color:#e5e7eb;height:100dvh;overflow:hidden}
.pre{min-height:100dvh;display:grid;place-items:center;padding:20px;background:var(--bg);color:var(--ink)}
.prebox{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;max-width:960px;width:100%;align-items:center}
.preview{position:relative;aspect-ratio:16/10;background:#111827;border-radius:16px;overflow:hidden;display:grid;place-items:center}
.preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.preview .ph{color:#9ca3af;font-weight:600}
.preview .pbar{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:10px}
.rbtn{width:48px;height:48px;border-radius:50%;border:0;background:rgba(55,65,81,.92);color:#fff;display:grid;place-items:center;cursor:pointer;position:relative}
.rbtn:hover{background:#4b5563}.rbtn.off{background:var(--bad)}.rbtn.on{background:var(--brand)}.rbtn svg{width:22px;height:22px}
.rbtn .badge{position:absolute;top:-4px;right:-4px;background:var(--bad);color:#fff;border-radius:999px;font-size:.7rem;padding:1px 6px;font-weight:700}
.meter{height:6px;background:#e5e7eb;border-radius:4px;overflow:hidden}.meter i{display:block;height:100%;width:0;background:var(--ok);transition:width .1s}
.stage-wrap{position:fixed;inset:0;display:flex;flex-direction:column}
.rtop{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:.92rem}
.rtop b{font-size:1rem}.rtop .sp{flex:1}.chip{background:#1f2937;border-radius:999px;padding:4px 10px;font-size:.8rem;display:inline-flex;gap:6px;align-items:center}
.chip.red{background:#7f1d1d}.body{flex:1;display:flex;min-height:0}
.stage{flex:1;display:grid;gap:8px;padding:8px;min-height:0;grid-template-columns:repeat(var(--cols,1),minmax(0,1fr));grid-auto-rows:minmax(0,1fr);align-content:center}
.stage.speaker{grid-template-columns:1fr;grid-template-rows:1fr auto}
.stage.speaker .strip{display:flex;gap:8px;overflow-x:auto;height:120px}.stage.speaker .strip .tile{width:180px;flex-shrink:0}
.tile{position:relative;background:var(--tile);border-radius:12px;overflow:hidden;display:grid;place-items:center;min-height:0;min-width:0;border:2px solid transparent}
.tile.speaking{border-color:#22c55e}.tile video{width:100%;height:100%;object-fit:cover}.tile.screen video,.tile.contain video{object-fit:contain;background:#000}
.tile.me video{transform:scaleX(-1)}.tile.screen.me video{transform:none}
.av{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;font-size:1.8rem;font-weight:700;color:#fff;background:#4f46e5}
.tname{position:absolute;left:8px;bottom:8px;background:rgba(0,0,0,.6);padding:3px 8px;border-radius:8px;font-size:.82rem;display:flex;gap:6px;align-items:center;max-width:calc(100% - 16px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tname .mic-off{color:#f87171}.tile .hand{position:absolute;top:8px;left:8px;font-size:1.4rem;animation:wave 1s ease-in-out infinite alternate}
.tile .q{position:absolute;top:8px;right:8px;display:flex;gap:2px;align-items:flex-end}.tile .q i{width:3px;background:#22c55e;border-radius:1px}
.tile .tmenu{position:absolute;top:8px;right:28px;opacity:0;transition:.15s}.tile:hover .tmenu,.tile:focus-within .tmenu{opacity:1}
.tile .tmenu button{background:rgba(0,0,0,.6);color:#fff;border:0;border-radius:8px;padding:4px 8px;cursor:pointer}
.tile .pin{position:absolute;top:8px;left:8px;background:var(--brand);color:#fff;border-radius:6px;padding:1px 6px;font-size:.75rem}
@keyframes wave{to{transform:rotate(18deg)}}
.react-float{position:absolute;bottom:40px;font-size:2.2rem;animation:up 3s ease-out forwards;pointer-events:none}
@keyframes up{to{transform:translateY(-220px);opacity:0}}
.side{width:340px;background:#111827;border-left:1px solid #1f2937;display:flex;flex-direction:column;min-height:0}
.side h3{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;margin:0;border-bottom:1px solid #1f2937;font-size:1rem}
.side .x{color:#9ca3af}.sbody{flex:1;overflow:auto;padding:12px 16px}
.prow{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid #1f2937}.prow .av{width:34px;height:34px;font-size:.9rem}
.prow .nm{flex:1;min-width:0}.prow .nm b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.prow .nm span{font-size:.75rem;color:#9ca3af}
.prow .ic{display:flex;gap:6px;color:#9ca3af}.menu{position:relative}
.dd{position:absolute;right:0;top:100%;z-index:60;background:#1f2937;border:1px solid #374151;border-radius:10px;padding:6px;z-index:30;min-width:190px;display:grid}
.dd button{background:none;border:0;color:#e5e7eb;text-align:left;padding:8px 10px;border-radius:6px;cursor:pointer}.dd button:hover{background:#374151}
.dark .btn.line{background:#1f2937;color:#e5e7eb;border-color:#374151}.dark input,.dark select,.dark textarea{background:#0b1220;color:#e5e7eb;border-color:#374151}
.msgs{display:grid;gap:10px}.msg b{font-size:.82rem}.msg .t{font-size:.72rem;color:#9ca3af;margin-left:6px}.msg .bub{background:#1f2937;border-radius:10px;padding:8px 10px;margin-top:2px;white-space:pre-wrap;overflow-wrap:anywhere}
.msg.priv .bub{background:#3b0764}.msg .to{font-size:.72rem;color:#c4b5fd}
.chatin{padding:10px;border-top:1px solid #1f2937;display:grid;gap:6px}.chatin .r{display:flex;gap:6px}
.bar{display:flex;justify-content:center;align-items:center;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));background:var(--bar);flex-wrap:nowrap;overflow-x:auto}
.bar .lbtn{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:0;color:#e5e7eb;cursor:pointer;min-width:58px;font-size:.72rem;padding:4px;position:relative}
.bar .lbtn .ico{width:44px;height:44px;border-radius:12px;background:#1f2937;display:grid;place-items:center}.bar .lbtn:hover .ico{background:#374151}
.bar .lbtn.off .ico{background:#991b1b}.bar .lbtn.on .ico{background:var(--brand)}.bar .lbtn svg{width:22px;height:22px}
.bar .lbtn .badge{position:absolute;top:0;right:6px;background:var(--bad);color:#fff;border-radius:999px;font-size:.66rem;padding:0 5px;font-weight:700}
.bar .leave .ico{background:var(--bad);width:auto;padding:0 16px;border-radius:12px}
.reacts{position:fixed;background:#1f2937;border:1px solid #374151;border-radius:12px;padding:6px;display:flex;gap:4px;z-index:40}
.reacts button{font-size:1.5rem;background:none;border:0;cursor:pointer;border-radius:8px;padding:4px}.reacts button:hover{background:#374151}
.banner{position:fixed;top:56px;left:50%;transform:translateX(-50%);background:#1e3a8a;color:#fff;border-radius:12px;padding:10px 14px;z-index:50;display:flex;gap:10px;align-items:center;box-shadow:0 10px 30px rgba(0,0,0,.4);max-width:94vw;flex-wrap:wrap}
.lobby-item{display:flex;gap:8px;align-items:center;padding:6px 0}.lobby-item b{flex:1}
.center{min-height:100dvh;display:grid;place-items:center;text-align:center;padding:20px;background:var(--bg);color:var(--ink)}
@media (max-width:760px){
  .prebox{grid-template-columns:1fr}.side{position:fixed;left:0;right:0;bottom:calc(66px + env(safe-area-inset-bottom,0px));width:auto;height:min(62dvh,calc(100dvh - 140px));border-radius:16px 16px 0 0;z-index:45;border:1px solid #374151}
  .stage{--cols:var(--mcols,1)!important;grid-auto-rows:minmax(160px,1fr);overflow-y:auto;align-content:start}
  .bar{justify-content:flex-start;gap:4px}.bar .lbtn{min-width:52px}.bar .lbtn .ico{width:40px;height:40px}.bar .lbl{display:none}
  .rtop{padding:8px 10px}.stage.speaker .strip{height:90px}.stage.speaker .strip .tile{width:120px}
}
body.room .toast{bottom:calc(84px + env(safe-area-inset-bottom,0px))}