:root{color:#0f172a;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:#f1f5f9}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#dbeafe 0,transparent 40%),radial-gradient(circle at 80% 0%,#e2e8f0 0,transparent 35%),linear-gradient(160deg,#0f172a,#1e293b 45%,#334155)}.login-card{width:min(420px,92vw);border-radius:16px!important;box-shadow:0 24px 60px #0f172a59!important}.login-brand{text-align:center;margin-bottom:24px}.brand-mark{width:56px;height:56px;margin:0 auto 12px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#2563eb,#0ea5e9);color:#fff;font-size:24px}.shell{min-height:100vh}.app-sider{background:#0f172a!important}.brand{display:flex;gap:10px;align-items:center;padding:20px 16px;color:#e2e8f0}.brand b{display:block;font-size:15px}.brand span{color:#94a3b8;font-size:12px}.topbar{background:#fff!important;display:flex!important;justify-content:space-between;align-items:center;padding:0 24px!important;border-bottom:1px solid #e2e8f0}.app-content{padding:24px}.page-card{background:#fff;border-radius:12px;padding:20px}