:root{--bg: #0f1115;--surface: #1a1d24;--surface-2: #21242c;--border: #2b2f3a;--text: #e6e8ec;--muted: #98a2b3;--primary: #3b82f6;--primary-hover: #2f6fe0;--danger: #f87171;--radius: 10px;--font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}.muted{color:var(--muted)}.center-screen{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px}.card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 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8px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.bc-badge-pending{background:var(--surface-2);color:var(--muted)}.bc-badge-sending{background:#3b82f62e;color:#93b4f8}.bc-badge-sent{background:#34d3992e;color:#34d399}.bc-badge-failed{background:#f871712e;color:var(--danger)}