:root{--bg:#0b0d12;--bg-glow:#11151f;--card:rgba(255,255,255,0.04);--border:rgba(255,255,255,0.09);--text:#e8ecf3;--muted:#8b94a7;--accent:#34d399;--accent-dim:rgba(52,211,153,0.18);--danger:#f87171}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:radial-gradient(1200px 600px at 50% -10%,var(--bg-glow),transparent 70%),var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.screen{min-height:100dvh;display:grid;place-items:center;padding:24px}.card{width:100%;max-width:360px;background:var(--card);border:1px solid var(--border);border-radius:24px;padding:36px 28px 28px;display:flex;flex-direction:column;align-items:center;gap:18px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 24px 60px rgba(0,0,0,.45)}.title{margin:0;font-size:22px;font-weight:650;letter-spacing:-.01em}.subtitle{margin:0;color:var(--muted);font-size:14px}.opener{display:flex;flex-direction:column;align-items:center;gap:14px;padding:8px 0 4px}.open-btn{position:relative;width:200px;height:200px;border-radius:50%;border:none;cursor:pointer;background:radial-gradient(circle at 50% 38%,#1b2230,#121722 70%);box-shadow:inset 0 1px 1px rgba(255,255,255,.06),0 10px 30px rgba(0,0,0,.5);color:var(--text);touch-action:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:transform .08s ease,box-shadow .2s ease}.open-btn.holding,.open-btn:active{transform:scale(.97)}.open-btn.success{box-shadow:0 0 0 2px var(--accent),0 10px 30px rgba(0,0,0,.5)}.open-btn.error{box-shadow:0 0 0 2px var(--danger),0 10px 30px rgba(0,0,0,.5)}.open-btn:disabled{cursor:progress}.ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}.ring-track{fill:none;stroke:rgba(255,255,255,.08);stroke-width:6}.ring-progress{fill:none;stroke:var(--accent);stroke-width:6;stroke-linecap:round;transition:stroke-dashoffset .05s linear}.open-label{position:absolute;inset:0;display:grid;place-items:center;font-size:30px;font-weight:700;letter-spacing:.08em}.open-btn.success .open-label{color:var(--accent)}.open-btn.error .open-label{color:var(--danger)}.status{margin:0;min-height:20px;font-size:14px;color:var(--muted);transition:color .2s ease}.status.holding{color:var(--text)}.status.success{color:var(--accent)}.status.error{color:var(--danger)}.google-btn{width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:#fff;color:#1f2430;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .15s ease}.google-btn:hover{opacity:.9}.footer{display:flex;align-items:center;justify-content:space-between;width:100%;border-top:1px solid var(--border);padding-top:14px;margin-top:4px}.who{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-btn,.who{color:var(--muted);font-size:13px}.link-btn{background:none;border:none;cursor:pointer;padding:4px 6px}.link-btn:hover{color:var(--text)}