:root{--bg:#f8fafc;--surface:#fff;--surface-hover:#f1f5f9;--surface-muted:#f8fafc;--border:#e2e8f0;--border-focus:#3b82f6;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-light:#eff6ff;--accent-text:#1e40af;--success:#16a34a;--success-bg:#dcfce7;--success-text:#166534;--danger:#dc2626;--danger-bg:#fee2e2;--danger-text:#991b1b;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #00000014;--radius-sm:6px;--radius:10px;--radius-lg:14px}@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--surface:#1e293b;--surface-hover:#334155;--surface-muted:#0f172a;--border:#334155;--border-focus:#60a5fa;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#64748b;--accent:#3b82f6;--accent-hover:#60a5fa;--accent-light:#3b82f626;--accent-text:#93c5fd;--success:#22c55e;--success-bg:#22c55e26;--success-text:#86efac;--danger:#ef4444;--danger-bg:#ef444426;--danger-text:#fca5a5;--shadow-sm:0 1px 2px 0 #0006;--shadow:0 1px 3px 0 #0006;--shadow-md:0 4px 6px -1px #00000080}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text-primary);font-family:var(--font);-webkit-font-smoothing:antialiased;min-height:100vh;font-size:14px;line-height:1.5}.app-layout{flex-direction:column;min-height:100vh;display:flex}.main-container{flex:1;width:100%;max-width:680px;margin:0 auto;padding:32px 16px 64px}.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 24px}.app-header-inner{justify-content:space-between;align-items:center;max-width:680px;margin:0 auto;display:flex}.brand-title{color:var(--text-primary);align-items:center;gap:8px;font-size:16px;font-weight:700;text-decoration:none;display:flex}.brand-badge{border-radius:var(--radius-sm);background:var(--accent-light);color:var(--accent-text);padding:2px 6px;font-size:11px;font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:16px;padding:24px}.card-title{color:var(--text-primary);margin-bottom:4px;font-size:16px;font-weight:700}.card-subtitle{color:var(--text-secondary);margin-bottom:16px;font-size:13px}.step-item{border-bottom:1px solid var(--border);gap:16px;padding:16px 0;display:flex}.step-item:last-child{border-bottom:none;padding-bottom:0}.step-item:first-child{padding-top:0}.step-number{background:var(--surface-muted);border:1px solid var(--border);width:28px;height:28px;color:var(--text-secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.step-number.active{background:var(--accent);color:#fff;border-color:var(--accent)}.step-number.completed{background:var(--success-bg);color:var(--success);border-color:var(--success)}.step-content{flex:1}.step-title{color:var(--text-primary);justify-content:space-between;align-items:center;margin-bottom:4px;font-size:14px;font-weight:600;display:flex}.step-desc{color:var(--text-secondary);margin-bottom:12px;font-size:13px}.status-pill{border-radius:var(--radius-sm);align-items:center;gap:6px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-flex}.status-pill.success{background:var(--success-bg);color:var(--success-text)}.status-pill.neutral{background:var(--surface-muted);color:var(--text-muted);border:1px solid var(--border)}.input{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);outline:none;padding:9px 12px;font-family:inherit;font-size:13.5px;transition:border-color .15s}.input:focus{border-color:var(--border-focus)}.input::placeholder{color:var(--text-muted)}.btn{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-family:inherit;font-size:13.5px;font-weight:600;text-decoration:none;transition:all .15s;display:inline-flex}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--surface);border-color:var(--border);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--surface-hover)}.btn-google{color:#1f2937;box-shadow:var(--shadow-sm);background:#fff;border:1px solid #d1d5db}.btn-google:hover:not(:disabled){background:#f9fafb}.btn-danger{background:var(--danger-bg);color:var(--danger-text)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed}.app-footer{border-top:1px solid var(--border);text-align:center;color:var(--text-muted);margin-top:auto;padding:24px;font-size:12.5px}.app-footer a{color:var(--text-secondary);text-decoration:underline}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:440px;box-shadow:var(--shadow-md);padding:24px}