:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-surface-hover: #334155;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-text: #f8fafc;--color-text-muted: #94a3b8;--color-border: #334155;--color-accent: #38bdf8;--color-success: #10b981;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:#0b0f19;color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;justify-content:center}#root{width:100%;display:flex;justify-content:center}.app-container{width:100%;max-width:480px;min-height:100vh;background-color:var(--color-bg);display:flex;flex-direction:column;position:relative;box-shadow:0 0 25px #0006}.app-header{padding:16px 20px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;background-color:#0f172af2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}.brand-logo{font-size:1.25rem;font-weight:800;letter-spacing:.1em;color:var(--color-text);text-decoration:none;display:flex;align-items:center;gap:8px}.brand-badge{font-size:.65rem;font-weight:700;text-transform:uppercase;background-color:#3b82f633;color:var(--color-accent);padding:2px 6px;border-radius:var(--radius-sm);border:1px solid rgba(56,189,248,.3)}.app-main{flex:1;padding:24px 20px;display:flex;flex-direction:column}.app-footer{padding:16px 20px;border-top:1px solid var(--color-border);text-align:center;font-size:.75rem;color:var(--color-text-muted)}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px;margin-bottom:16px}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:14px 20px;border-radius:var(--radius-md);font-size:1rem;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:all .2s ease}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-surface-hover)}.btn-group{display:flex;flex-direction:column;gap:12px;margin-top:20px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;text-align:left}.form-label{font-size:.85rem;font-weight:500;color:var(--color-text-muted)}.form-input{width:100%;padding:12px 14px;background-color:#0b0f19;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:.95rem;transition:border-color .2s ease}.form-input:focus{outline:none;border-color:var(--color-primary)}.form-footer-link{margin-top:16px;text-align:center;font-size:.85rem;color:var(--color-text-muted)}.form-footer-link a{color:var(--color-accent);text-decoration:none;font-weight:600}.form-footer-link a:hover{text-decoration:underline}.text-center{text-align:center}.mt-auto{margin-top:auto}.btn-google{background-color:#fff;color:#1f2937;border:1px solid #e5e7eb;gap:10px}.btn-google:hover{background-color:#f9fafb}.btn-google:disabled,.btn-primary:disabled{opacity:.6;cursor:not-allowed}.divider{display:flex;align-items:center;text-align:center;margin:16px 0;color:var(--color-text-muted);font-size:.8rem}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid var(--color-border)}.divider span{padding:0 10px}.alert-error{display:flex;align-items:center;gap:10px;background-color:#ef444426;border:1px solid rgba(239,68,68,.4);color:#fca5a5;padding:12px 14px;border-radius:var(--radius-sm);font-size:.85rem;margin-bottom:16px;animation:fadeIn .2s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}