:root{--primary:#1a56db;--primary-hover:#1245b5;--background:#f9fafb;--surface:#fff;--text:#111827;--text-muted:#6b7280;--border:#d1d5db;--error:#dc2626;--radius:8px;--font-family:"Inter", system-ui, -apple-system, sans-serif}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--primary:#4f8ef7;--primary-hover:#3d7de8;--background:#0f172a;--surface:#1e293b;--text:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--error:#f87171}}:root[data-theme=dark]{--primary:#4f8ef7;--primary-hover:#3d7de8;--background:#0f172a;--surface:#1e293b;--text:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--error:#f87171}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--background);color:var(--text);justify-content:center;align-items:center;min-height:100vh;display:flex}.card{background:var(--surface);border-radius:var(--radius);width:100%;max-width:400px;margin:1rem;padding:2rem;box-shadow:0 1px 3px #0000001a,0 4px 16px #00000014}.card-logo{text-align:center;margin-bottom:1.5rem}.card-logo img{max-height:48px}.card-title{text-align:center;margin-bottom:.25rem;font-size:1.5rem;font-weight:700}.card-subtitle{color:var(--text-muted);text-align:center;margin-bottom:1.5rem;font-size:.875rem}.form-group{margin-bottom:1rem}label{margin-bottom:.375rem;font-size:.875rem;font-weight:500;display:block}input{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;color:var(--text);outline:none;padding:.625rem .75rem;font-size:1rem;transition:border-color .15s}input:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent)}.btn{background:var(--primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;width:100%;margin-top:.5rem;padding:.75rem;font-size:1rem;font-weight:600;transition:background .15s}.btn:hover:not(:disabled){background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-size:.875rem;font-weight:500;text-decoration:none;display:inline-block}.btn-ghost:hover{text-decoration:underline}.error-msg{color:#dc2626;margin-top:.375rem;font-size:.875rem}.alert{border-radius:var(--radius);margin-bottom:1rem;padding:.75rem 1rem;font-size:.875rem}.alert-error{background:color-mix(in srgb, var(--error) 12%, var(--surface));color:var(--error);border:1px solid color-mix(in srgb, var(--error) 35%, transparent)}.alert-success{background:color-mix(in srgb, #22c55e 12%, var(--surface));color:#16a34a;border:1px solid #22c55e59}.links{text-align:center;flex-direction:column;gap:.5rem;margin-top:1rem;display:flex}.otp-input{letter-spacing:.5rem;text-align:center;font-size:1.5rem;font-weight:700}