:root{--bg-0: #070a12;--bg-1: #0d1220;--bg-2: #131a2c;--fg: #e6e9f2;--fg-dim: #8892a8;--fg-mute: #5a6478;--accent: #3b82f6;--accent-glow: rgba(59, 130, 246, .35);--accent-mint: #10d9a0;--accent-mint-glow: rgba(16, 217, 160, .35);--danger: #ef4444;--danger-glow: rgba(239, 68, 68, .35);--border: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .14);--card: rgba(255, 255, 255, .03)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Geist,Noto Sans TC,system-ui,sans-serif;background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(59,130,246,.15),transparent 70%),radial-gradient(ellipse 60% 50% at 50% 110%,rgba(16,217,160,.08),transparent 70%),var(--bg-0);color:var(--fg);min-height:100vh;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;gap:20px}.brand{font-size:12px;font-weight:600;letter-spacing:.25em;text-transform:uppercase;color:var(--fg-dim)}.brand span{color:var(--accent)}.card{width:100%;max-width:440px;background:linear-gradient(180deg,#ffffff0a,#ffffff03);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:24px;padding:32px 28px;box-shadow:0 20px 60px -20px #000000b3,0 0 0 1px #ffffff05 inset}.status-label{display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:.15em;margin-bottom:20px}.dot{width:8px;height:8px;border-radius:50%;background:var(--fg-mute)}.dot.active{background:var(--accent-mint);box-shadow:0 0 12px var(--accent-mint-glow),0 0 0 4px #10d9a01a;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.92)}}.timer{font-family:Geist Mono,ui-monospace,monospace;font-size:56px;font-weight:600;text-align:center;letter-spacing:-.02em;line-height:1;color:var(--fg);font-variant-numeric:tabular-nums;margin:8px 0 4px;text-shadow:0 0 40px var(--accent-glow)}.timer-sub{text-align:center;font-family:Geist Mono,monospace;font-size:11px;color:var(--fg-mute);letter-spacing:.3em;text-transform:uppercase;margin-bottom:28px}.btn{width:100%;padding:20px;border-radius:16px;border:1px solid var(--border-strong);background:linear-gradient(180deg,#3b82f626,#3b82f60d);color:var(--fg);font-size:16px;font-weight:600;font-family:inherit;letter-spacing:.02em;cursor:pointer;transition:all .2s ease;box-shadow:0 0 0 0 var(--accent-glow),0 8px 24px -8px #00000080}.btn:hover{transform:translateY(-1px);box-shadow:0 0 24px var(--accent-glow),0 12px 32px -8px #00000080}.btn:active{transform:translateY(0) scale(.98)}.btn.danger{background:linear-gradient(180deg,#ef44442e,#ef44440d);border-color:#ef444459}.btn.danger:hover{box-shadow:0 0 24px var(--danger-glow),0 12px 32px -8px #00000080}.btn.primary{padding:28px;font-size:18px;background:linear-gradient(180deg,#3b82f640,#3b82f614);border-color:#3b82f666}.btn.primary:hover{box-shadow:0 0 32px var(--accent-glow),0 16px 40px -8px #0009}.btn:disabled{opacity:.5;cursor:not-allowed}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{width:100%;max-width:400px;background:var(--bg-1);border:1px solid var(--border-strong);border-radius:20px;padding:28px;box-shadow:0 30px 80px -20px #000c}.modal h2{font-size:18px;font-weight:600;margin-bottom:4px}.modal .hint{font-size:13px;color:var(--fg-dim);margin-bottom:20px}.input{width:100%;padding:14px 16px;background:var(--bg-2);border:1px solid var(--border);border-radius:12px;color:var(--fg);font-size:16px;font-family:inherit;outline:none;transition:border-color .2s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #3b82f626}.input.pin{font-family:Geist Mono,monospace;text-align:center;letter-spacing:.5em;font-size:22px}.field{margin-bottom:14px}.field label{display:block;font-size:12px;color:var(--fg-dim);margin-bottom:6px;text-transform:uppercase;letter-spacing:.1em}.row{display:flex;gap:10px;margin-top:8px}.row .btn{padding:14px;font-size:15px}.error{color:var(--danger);font-size:13px;margin-top:8px;text-align:center}.muted-btn{background:transparent;border:1px solid var(--border);color:var(--fg-dim)}.muted-btn:hover{color:var(--fg);border-color:var(--border-strong);box-shadow:none}