:root{--brand-700: #1257c4;--brand-600: #1668e3;--brand-500: #2f7ff0;--brand-100: #dce9ff;--brand-50: #eef5ff;--teal-500: #0fb9b1;--teal-50: #e6faf8;--ink-900: #0d1b2a;--ink-700: #23374d;--ink-500: #5b6b7c;--ink-400: #8494a5;--ink-300: #aab7c4;--line: #e6ebf2;--line-strong: #d5dde8;--bg: #f4f7fb;--card: #ffffff;--ok: #12a36b;--ok-bg: #e6f7ef;--warn: #d98613;--warn-bg: #fdf3e2;--danger: #dc3d48;--danger-bg: #fdecee;--radius-sm: 8px;--radius: 14px;--radius-lg: 20px;--shadow-sm: 0 1px 2px rgba(16, 32, 56, .06);--shadow-md: 0 8px 24px rgba(16, 32, 56, .08);--shadow-lg: 0 20px 50px rgba(16, 32, 56, .16)}*{box-sizing:border-box}html,body,#app{margin:0;padding:0;min-height:100%}body{font-family:Inter,PingFang SC,Microsoft YaHei,Segoe 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900px){.admin-layout{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;overflow-x:auto;gap:14px;padding:12px 14px}.sidebar .nav-group{flex-direction:row}.nav-label,.sidebar-foot{display:none}.nav-item{width:auto;white-space:nowrap}.topbar{padding:0 16px}.search-box{display:none}.page-wrap{padding:18px 16px 40px}.hero{flex-direction:column;align-items:flex-start;gap:16px}.hero-meta{width:100%;justify-content:space-between}.hero-meta div{text-align:left}.admin-body{padding:16px}.auth-card{padding:30px 22px 24px}.form-grid{grid-template-columns:1fr}}