:root{--brand-primary: #1f2937;--brand-secondary: #6b7280}*{box-sizing:border-box}html,body,#app{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#f8fafc;color:#111827}.auth-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}.auth-header{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:32px}.auth-mark{height:48px;width:auto}.auth-wordmark{margin:0;font-size:22px;font-weight:600;color:var(--brand-primary);text-align:center}.auth-content{width:100%;max-width:380px;background:#fff;border-radius:12px;padding:32px;box-shadow:0 1px 2px #0000000d,0 8px 24px #00000014}.auth-footer{margin-top:24px;font-size:12px;color:#9ca3af}label{display:block;margin-bottom:6px;font-size:13px;font-weight:500;color:#374151}input[type=email],input[type=password],input[type=text]{width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;transition:border-color .12s ease}input[type=email]:focus,input[type=password]:focus,input[type=text]:focus{outline:none;border-color:var(--brand-primary);box-shadow:0 0 0 3px #1f29371a}button{width:100%;padding:11px 16px;background:var(--brand-primary);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .12s ease}button:hover:not(:disabled){opacity:.92}button:disabled{opacity:.5;cursor:not-allowed}.link-button{background:none;color:var(--brand-primary);padding:0;font-size:13px;font-weight:500;width:auto;text-decoration:underline}.error-text{margin:12px 0;padding:10px 12px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#b91c1c;font-size:13px}.muted{color:#6b7280;font-size:13px}