.shell{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;max-width:980px;margin:40px auto}
.panel{background:var(--surface);border-radius:16px;box-shadow:var(--shadow-md);padding:24px}
.brand-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.brand-title{font-weight:800;font-size:1.1rem}
.brand-sub{color:var(--muted)}
.hero{display:grid;place-items:center;padding:32px 0}
.hero-badge{width:96px;height:96px;border-radius:50%;display:grid;place-items:center;background:#eff6ff}
.auth-header{margin-bottom:12px}
.auth-title{margin:0 0 4px}
.auth-sub{margin:0;color:var(--muted)}
.field{margin:10px 0 12px}
.label{display:block;margin:0 0 6px;color:#334155;font-weight:600}
.control{position:relative}
.prefix,.suffix{position:absolute;top:50%;transform:translateY(-50%);color:#64748b}
.prefix{left:10px}
.suffix{right:10px}
.icon{width:18px;height:18px}
.control input{width:100%;padding:10px 36px;border-radius:10px;border:1px solid #cbd5e1}
.submit-btn{width:100%;appearance:none;border:0;border-radius:12px;padding:12px 16px;background:var(--primary-600);color:#fff;font-weight:700;cursor:pointer}
.submit-btn:hover{background:#1d4ed8}
.info{margin-top:10px;color:#2563eb}
.error{margin-top:10px;color:#b91c1c}
@media (max-width:900px){.shell{grid-template-columns:1fr;max-width:520px}.brand-panel{display:none}}