:root {
  --color-primary: #001FFE;
  --color-primary-soft: #E6EAFF;
  --color-primary-dark: #0016C7;
  --color-sidebar-bg: #0A1628;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-border: #E5E8EB;
  --color-text: #0F172A;
  --color-text-muted: #64748B;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-lecture: #7C3AED;

  --font-sans: "Pretendard", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-card: 8px;
  --radius-btn: 6px;
  --radius-chip: 4px;

  --sidebar-width: 208px;
  --header-height: 56px;

  --shadow-stat: 0 1px 2px rgba(15, 23, 42, 0.04);
}