:root{
  --bg:#0b1020;
  --panel:rgba(255,255,255,.08);
  --panel2:rgba(255,255,255,.12);
  --text:#f7f9ff;
  --muted:#aeb8d5;
  --line:rgba(255,255,255,.18);
  --accent:#7dd3fc;
  --accent2:#c084fc;
  --danger:#fb7185;
  --good:#86efac;
  --shadow:0 24px 80px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(circle at 15% 10%, #1d2d5a 0, transparent 35%), radial-gradient(circle at 90% 0, #39235d 0, transparent 33%), var(--bg);
  overflow-x:hidden;
}
.bg-orb{position:fixed; border-radius:999px; filter:blur(30px); opacity:.45; pointer-events:none; z-index:-1}
.orb-a{width:320px;height:320px;background:#38bdf8;left:-90px;bottom:10%}
.orb-b{width:420px;height:420px;background:#a855f7;right:-130px;top:18%}
.app-shell{width:min(1180px, calc(100% - 28px)); margin:0 auto; padding:22px 0 38px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;font-weight:900;color:#07101f;box-shadow:0 14px 36px rgba(125,211,252,.25)}
.brand strong{display:block;font-size:18px}
.brand span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.connection-pill{padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:rgba(0,0,0,.18);font-size:13px}
.connection-pill.online{color:#082410;background:var(--good);border-color:transparent}
.glass{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;margin-bottom:22px}
.hero-copy{padding:34px 8px 34px 4px}
.eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:800;font-size:12px;margin:0 0 12px}
h1{font-size:clamp(36px,5vw,68px);line-height:.95;margin:0 0 18px;max-width:780px}
.hero-copy p:not(.eyebrow){font-size:18px;line-height:1.55;color:var(--muted);max-width:680px;margin:0}
.login-card{padding:26px}
h2{margin:0 0 16px;font-size:28px}
.checkline{display:flex;gap:12px;align-items:flex-start;color:#dfe7ff;line-height:1.45;font-size:15px;margin-bottom:18px}
.checkline input{width:22px;height:22px;accent-color:#7dd3fc;margin-top:1px;flex:0 0 auto}
.login-buttons{display:grid;gap:10px}
.social-wrap{min-height:0}
.btn{border:0;border-radius:16px;padding:13px 18px;font-weight:800;cursor:pointer;color:var(--text);background:rgba(255,255,255,.1);transition:.18s transform,.18s opacity,.18s background;display:inline-flex;justify-content:center;align-items:center;gap:8px;text-align:center}
.btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.15)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn.primary{background:linear-gradient(135deg,#7dd3fc,#c084fc);color:#07101f}
.btn.secondary{background:#e0f2fe;color:#07101f;width:100%;margin-top:16px}
.btn.fb{background:#1877f2;color:white}
.btn.danger{background:rgba(251,113,133,.18);border:1px solid rgba(251,113,133,.45);color:#fecdd3}
.btn.ghost{border:1px solid var(--line);background:rgba(0,0,0,.14)}
.btn.big{font-size:16px;padding:15px 20px}
.small-warning{font-size:13px;line-height:1.4;color:var(--muted);margin:14px 0 0}
.game-section{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-bottom:22px}
.left-panel,.board-panel,.rules{padding:22px}
.user-row{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px}
.user-row strong{display:block;font-size:18px}.user-row span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:16px}
.video-card{position:relative;border-radius:22px;overflow:hidden;background:#050816;aspect-ratio:4/3;border:1px solid var(--line)}
.video-card video{width:100%;height:100%;object-fit:cover;display:block;background:#050816}
.local-card video{transform:scaleX(-1)}
.video-label{position:absolute;left:10px;bottom:10px;padding:6px 10px;border-radius:999px;background:rgba(0,0,0,.55);font-size:12px;font-weight:800}
.control-row{display:flex;gap:10px;flex-wrap:wrap}.control-row .btn.primary{flex:1 1 220px}.control-row .btn{flex:1 1 150px}
.status{color:#dbeafe;line-height:1.45;margin:14px 0 0;min-height:42px}
.score-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}
.score-row div{border:1px solid var(--line);border-radius:18px;padding:12px;background:rgba(0,0,0,.14)}
.score-row span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.score-row strong{display:block;font-size:22px;margin-top:4px}
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cell{aspect-ratio:1;border-radius:24px;border:1px solid var(--line);background:rgba(255,255,255,.08);font-size:clamp(46px,8vw,78px);font-weight:1000;color:#fff;display:grid;place-items:center;cursor:pointer;text-shadow:0 10px 24px rgba(0,0,0,.25);transition:.15s transform,.15s background,.15s border-color}
.cell:hover{transform:translateY(-2px);background:rgba(255,255,255,.13)}
.cell.win{background:rgba(134,239,172,.22);border-color:rgba(134,239,172,.9)}
.cell.x{color:#7dd3fc}.cell.o{color:#c084fc}
.result{font-weight:900;font-size:19px;text-align:center;margin-top:16px;min-height:28px;color:#e0f2fe}
.rules{margin-top:0}.rules h3{margin:0 0 8px}.rules p{color:var(--muted);line-height:1.55;margin:0}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#111827;color:#fff;padding:12px 16px;border:1px solid rgba(255,255,255,.18);border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.35);z-index:20;max-width:min(560px,calc(100% - 28px));text-align:center}
@media (max-width:900px){.hero,.game-section{grid-template-columns:1fr}.hero-copy{padding:18px 0 0}.video-grid{grid-template-columns:1fr}.score-row{grid-template-columns:1fr 1fr 1fr}.cell{border-radius:18px}.topbar{align-items:flex-start;gap:10px;flex-direction:column}}