:root{--bg: #0f1320;--bg2: #161b2e;--panel: #1d2438;--panel2: #232b44;--ink: #e8ecf5;--muted: #9aa6c4;--accent: #e64980;--accent2: #ff8fb3;--good: #3fd07f;--bad: #ff5d6c;--gold: #ffd166;--card-bg: #f6f3ea;--card-red: #d2354a;--card-black: #20242e;--radius: 12px}*{box-sizing:border-box}html,body{margin:0;background:radial-gradient(1200px 700px at 50% -10%,#233055 0%,var(--bg) 60%);color:var(--ink);font-family:Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}#app{max-width:1040px;margin:0 auto;padding:18px 16px 60px;display:flex;flex-direction:column;gap:14px}.k-header{display:flex;flex-direction:column;align-items:center;gap:2px}.k-header h1{margin:0;font-size:34px;letter-spacing:6px;font-weight:800;background:linear-gradient(90deg,var(--accent2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.k-sub{color:var(--muted);font-size:13px}.k-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.spacer{flex:1}.k-stat{color:var(--muted);font-size:14px}.k-stat b{color:var(--gold);font-size:18px}.k-btn{background:var(--panel2);color:var(--ink);border:1px solid #34406a;border-radius:10px;padding:8px 14px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .06s ease,background .15s ease,opacity .15s ease}.k-btn:hover:not(:disabled){background:#2c3760;transform:translateY(-1px)}.k-btn:disabled{opacity:.4;cursor:default}.k-btn.primary{background:linear-gradient(90deg,var(--accent),#c2375f);border-color:var(--accent)}.k-btn.primary:hover:not(:disabled){background:linear-gradient(90deg,var(--accent2),var(--accent))}.k-btn.danger{background:linear-gradient(90deg,var(--bad),#d23a48);border-color:var(--bad);color:#fff}.k-btn.danger:hover:not(:disabled){filter:brightness(1.1)}.k-btn.big{padding:12px 22px;font-size:16px}.k-select{background:var(--panel2);color:var(--ink);border:1px solid #34406a;border-radius:10px;padding:8px 10px;font-size:14px}.k-opponents{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.k-opp{background:var(--panel);border:1px solid #2a3354;border-radius:var(--radius);padding:10px 14px;min-width:130px;text-align:center;transition:box-shadow .2s ease,border-color .2s ease}.k-opp.active{border-color:var(--accent);box-shadow:0 0 0 2px #e649804d}.k-opp.thinking{border-color:var(--gold);box-shadow:0 0 0 2px #ffd16640}.k-opp-label{font-weight:700;font-size:14px;margin-bottom:6px}.k-opp-label .cnt{display:inline-block;min-width:22px;padding:1px 7px;margin-left:4px;background:var(--panel2);border-radius:20px;font-size:13px;color:var(--gold)}.k-fan{display:flex;justify-content:center;gap:2px;flex-wrap:wrap}.k-mini{width:16px;height:24px;border-radius:3px}.k-mini-down{background:repeating-linear-gradient(45deg,#3a4a86,#3a4a86 3px,#2c3a6d 3px 6px);border:1px solid #475aa3}.k-centre{display:flex;flex-direction:column;align-items:center;gap:10px;background:linear-gradient(180deg,var(--bg2),var(--panel));border:1px solid #2a3354;border-radius:16px;padding:16px;min-height:150px;position:relative}.k-required{color:var(--muted);font-size:13px;text-align:center;line-height:1.3}.k-required b{color:var(--gold);font-size:26px}.k-pile{display:flex;flex-direction:column;align-items:center;gap:8px}.k-pile-stack{position:relative;width:70px;height:96px}.k-pile-card{position:absolute;left:0;top:0}.k-pile-label{color:var(--muted);font-size:13px}.k-pile-label b{color:var(--ink)}.k-reveal{display:none;flex-direction:column;align-items:center;gap:8px;margin-top:4px}.k-reveal.show{display:flex;animation:pop .3s ease}@keyframes pop{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.k-reveal-title{font-weight:800;letter-spacing:2px;font-size:18px}.k-reveal-title.bluff{color:var(--bad)}.k-reveal-title.truth{color:var(--good)}.k-reveal-cards{display:flex;gap:6px}.k-status{text-align:center;color:var(--ink);font-size:14px;min-height:20px;background:var(--panel);border:1px solid #2a3354;border-radius:10px;padding:8px 12px}.k-challenge-bar{display:none;justify-content:center;gap:12px;animation:rise .25s ease}.k-challenge-bar.show{display:flex}@keyframes rise{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}.k-you{background:var(--panel);border:1px solid #2a3354;border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:12px}.k-you-label{font-size:15px;color:var(--muted)}.k-you-label b{color:var(--ink)}.k-hand-groups{display:flex;gap:10px;flex-wrap:wrap}.k-rank-group{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px;border-radius:10px;border:1px solid transparent}.k-rank-group.required{border-color:var(--accent);background:#e6498014}.k-rank-group-label{color:var(--muted);font-size:12px;font-weight:700}.k-rank-cards{display:flex;gap:4px}.k-play-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.k-claim-info{color:var(--muted);font-size:14px;min-width:140px}.k-claim-info b{color:var(--accent2)}.k-card{width:60px;height:84px;border-radius:8px;position:relative;background:var(--card-bg);color:var(--card-black);box-shadow:0 2px 6px 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var(--accent);transform:translateY(-8px);box-shadow:0 8px 16px #e6498066}.k-empty-hand{color:var(--good);font-weight:700;font-size:16px;padding:16px}.k-banner{display:none;position:fixed;inset:0;background:#080b14d1;align-items:center;justify-content:center;flex-direction:column;gap:18px;z-index:50}.k-banner.show{display:flex;animation:fade .3s ease}@keyframes fade{0%{opacity:0}to{opacity:1}}.k-banner-text{text-align:center;font-size:22px;line-height:1.5;background:var(--panel);padding:28px 40px;border-radius:18px;border:1px solid var(--accent);box-shadow:0 10px 40px #00000080}.k-banner-text b{color:var(--gold);font-size:28px}.k-hint{color:var(--muted);font-size:13px;line-height:1.6;text-align:center;max-width:760px;margin:6px auto 0}.k-hint b{color:var(--ink)}.k-online-overlay{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:#0000008c}.k-online-card{background:var(--panel, #15212e);color:var(--ink, #e8eef5);border:1px solid 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