:root {
  --nav-bg: #0d1626;
  --nav-line: rgba(255, 255, 255, 0.08);
  --nav-text: #f4f7fb;
  --nav-muted: #7f8ca4;
  --active: #4c9aff;
  --surface: #f4f6fb;
  --panel: #ffffff;
  --line: #e6eaf2;
  --text: #172033;
  --muted: #667085;
  --purple: #6554d9;
  --blue: #2f80ed;
  --top-bar-height: 72px;
  --assistant-panel-width: 360px;
  --assistant-collapsed-width: 56px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--surface);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
:root {
  --theme-primary: #4f46e5;
  --theme-primary-2: #2563eb;
  --theme-primary-3: #7c3aed;
  --theme-accent: #06b6d4;
  --theme-bg: #f5f7ff;
  --theme-panel: #ffffff;
  --theme-panel-soft: #f8faff;
  --theme-line: #dfe5f4;
  --theme-line-strong: #cbd5ee;
  --theme-text: #172033;
  --theme-muted: #667085;
  --theme-soft-blue: #eef4ff;
  --theme-soft-purple: #f3efff;
  --theme-danger: #dc2626;
  --theme-success: #059669;
  --theme-warning: #d97706;
  --theme-radius: 8px;
  --theme-shadow: 0 10px 28px rgba(37, 99, 235, 0.08);
  --theme-font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

body {
  background:
    linear-gradient(180deg, rgba(79, 70, 229, 0.06), rgba(37, 99, 235, 0.02) 220px),
    var(--theme-bg);
  color: var(--theme-text);
  font-family: var(--theme-font);
}