:root{--color-up: #d93b3b;--color-up-light: #fbe5e5;--color-down: #2c8c5e;--color-down-light: #d8efe1;--color-flat: #8a9099;--status-ok: #2f855a;--status-warn: #c2790f;--status-crit: #b92322;--status-unknown: #95a0ac;--status-ok-bg: #ebf6f0;--status-warn-bg: #fdf6e7;--status-crit-bg: #fbecec;--status-unknown-bg: #f1f4f7;--text-primary: #1a2030;--text-secondary: #4d566b;--text-tertiary: #7a8294;--text-disabled: #aab0bd;--text-inverse: #ffffff;--bg-page: #f3f6fa;--bg-base: #ffffff;--bg-elevated: #f9fbfe;--bg-muted: #edf2f7;--bg-hover: #f3f5f9;--border-default: #dfe6ef;--border-strong: #c8cfd9;--border-subtle: #eef1f6;--brand-primary: #1e4a7e;--brand-primary-hover: #163a64;--brand-secondary: #6d4ca0;--brand-accent: #2c7a7b;--brand-surface: #eef6fb;--surface-gradient: linear-gradient(135deg, #ffffff 0%, #f8fbff 56%, #eef6fb 100%);--surface-gradient-strong: linear-gradient(135deg, #123154 0%, #1e4a7e 58%, #2c7a7b 100%);--font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--font-family-mono: "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;--font-feature-num: "tnum" on, "lnum" on;--font-size-xs: 12px;--font-size-sm: 13px;--font-size-base: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 22px;--font-size-2xl: 28px;--font-size-3xl: 36px;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(20, 30, 50, .04);--shadow-md: 0 8px 22px rgba(20, 30, 50, .07);--shadow-lg: 0 16px 42px rgba(20, 30, 50, .1);--header-height: 56px;--sidebar-width: 220px;--content-max-width: 1440px;--transition-fast: .12s ease-out;--transition-base: .2s ease-out}body{background:linear-gradient(180deg,#f8fafd,#f3f6fa 42%,#eef3f8);color:var(--text-primary);font-family:var(--font-family-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.num,.metric-value,.tabular{font-variant-numeric:tabular-nums lining-nums;font-family:var(--font-family-mono)}.status-pill{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);line-height:1.4}.status-pill--ok{color:var(--status-ok);background:var(--status-ok-bg)}.status-pill--warn{color:var(--status-warn);background:var(--status-warn-bg)}.status-pill--crit{color:var(--status-crit);background:var(--status-crit-bg)}.status-pill--unknown{color:var(--status-unknown);background:var(--status-unknown-bg)}.num-up{color:var(--color-up)}.num-down{color:var(--color-down)}.num-flat{color:var(--color-flat)}