:root{--bg: #0f1115;--panel: #171a21;--panel-2: #1e232d;--border: #2a3140;--text: #e6e9ef;--muted: #8a94a6;--accent: #7aa2ff;--accent-strong: #5b8cff;--danger: #ff6b6b;--success: #4ade80;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:0 12px 40px #00000059}.brand{font-size:20px;font-weight:700;letter-spacing:.02em;margin:0 0 4px}.brand .dot{color:var(--accent)}.locale{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin:0 0 20px}.locale label{margin:0}.locale select{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:6px 8px;font-size:13px;outline:none}.subtitle{color:var(--muted);margin:0 0 24px;font-size:13px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field{margin-bottom:16px}input{width:100%;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;font-size:15px;outline:none}input:focus{border-color:var(--accent)}input[type=text]{letter-spacing:.05em}button{width:100%;background:var(--accent-strong);color:#fff;border:none;border-radius:8px;padding:12px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s ease}button:hover{background:var(--accent)}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:transparent;border:1px solid var(--border);color:var(--muted)}button.secondary:hover{color:var(--text);border-color:var(--accent)}.error{background:#ff6b6b1a;border:1px solid rgba(255,107,107,.3);color:var(--danger);border-radius:8px;padding:10px 12px;font-size:13px;margin-bottom:16px}.notice{background:#7aa2ff14;border:1px solid rgba(122,162,255,.25);color:var(--accent);border-radius:8px;padding:10px 12px;font-size:13px;margin-bottom:16px}.row{display:flex;gap:8px}.row button{flex:1}.footer{margin-top:20px;text-align:center;font-size:13px;color:var(--muted)}.footer button{width:auto;background:none;border:none;color:var(--accent);font-weight:600;padding:0;font-size:13px}.qr{display:flex;justify-content:center;margin:16px 0}.qr img{border-radius:8px;background:#fff;padding:8px}.secret{text-align:center;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:15px;letter-spacing:.1em;color:var(--text);background:var(--panel-2);border-radius:8px;padding:10px;margin:8px 0 16px;-webkit-user-select:all;user-select:all}.dashboard dl{margin:0 0 20px}.dashboard dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}.dashboard dd{margin:0 0 12px;font-size:15px}.balance{font-size:22px;font-weight:700;color:var(--success)}