:root{--bg: #f5f6fa;--surface: #ffffff;--surface-muted: #fafbfe;--border: #e6e8ef;--border-strong: #d6d9e4;--text: #16181d;--text-secondary: #565c6d;--text-muted: #8b91a1;--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: #eef0ff;--primary-border: #d9dcff;--success: #15a06a;--success-soft: #e7f7f0;--warn: #b7791f;--warn-soft: #fdf5e4;--danger: #d33b3b;--danger-soft: #fdeeee;--info: #2563eb;--info-soft: #eaf1fe;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(20, 24, 45, .05);--shadow: 0 8px 24px -14px rgba(20, 24, 45, .28);--shadow-lg: 0 28px 60px -28px rgba(20, 24, 45, .4);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--sidebar-width: 248px;--topbar-height: 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960px){.auth-page{grid-template-columns:1fr}.auth-aside{display:none}.sidebar{position:fixed;left:0;top:0;transform:translate(-100%);transition:transform .2s ease;box-shadow:var(--shadow-lg)}.sidebar.open{transform:none}.sidebar-toggle{display:inline-flex}.content{padding:16px}.topbar{padding:0 16px}.grid-2,.grid-3{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr);gap:12px}}@media (max-width: 560px){.stat-grid{grid-template-columns:1fr}}