:root{--bg: #f8fafc;--surface: #ffffff;--surface-alt: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--muted: #475569;--primary: #1e4f7a;--primary-soft: #e6f0f8;--warn: #b45309;--error: #b91c1c;--radius: 14px;--shadow: 0 20px 40px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px 600px at 10% -10%,rgba(30,79,122,.08),transparent 60%),radial-gradient(900px 500px at 90% 0%,rgba(30,79,122,.06),transparent 55%),var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none;font-weight:500}a:hover{text-decoration:underline}.brand-wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:32px 16px}.brand-card{width:min(520px,100%);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.brand-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}.logo{height:44px;width:auto;display:block}.brand-logo{height:42px;width:auto}.brand-title{font-size:20px;font-weight:800;letter-spacing:.2px}.brand-sub{color:var(--muted);font-size:13px;margin-top:2px}.brand-field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:12px 0 6px}input[type=text],input[type=email],input[type=password],select{width:100%;padding:11px 12px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:14px}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #1e4f7a1f}.brand-actions{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:18px;flex-wrap:wrap}.brand-btn{appearance:none;border-radius:10px;padding:10px 14px;font-size:14px;font-weight:700;cursor:pointer;border:1px solid var(--border);background:var(--surface-alt);color:var(--text)}.brand-btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.brand-btn.primary:hover{filter:brightness(1.05)}.brand-hint{font-size:12px;color:var(--muted);margin-top:12px}.brand-error{font-size:13px;color:var(--error);margin-top:6px}