html,body,#root{height:100%;margin:0;font-family:Helvetica Neue,Arial,sans-serif;background:#f5f7fb}*{box-sizing:border-box}.login-page{position:relative;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f7fb,#eef2ff)}.login-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 10% 20%,rgba(99,102,241,.12),transparent 45%),radial-gradient(circle at 90% 10%,rgba(14,165,233,.12),transparent 45%)}.login-card{width:360px;z-index:1;border-radius:16px;box-shadow:0 20px 45px #0f172a14}.login-error{margin-bottom:12px;color:#ef4444}.sider-logo{height:56px;display:flex;align-items:center;gap:8px;padding:0 16px;font-weight:600}.top-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:#fff;border-bottom:1px solid #f1f5f9}.logo-icon{color:#6366f1}.content-area{padding:24px;background:#f5f7fb}.content-card{background:#fff;border-radius:12px;padding:24px;min-height:360px;box-shadow:0 10px 25px #0f172a0d}