:root {
  --font-sans: "Trebuchet MS", "Gill Sans", sans-serif;
  --font-display: "Georgia", "Times New Roman", serif;
  --font-mono: "Consolas", "Courier New", monospace;

  --color-bg: #f3f5f2;
  --color-bg-accent: #dbeae5;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fbfa;
  --color-surface-strong: #e8f1ee;
  --color-text: #172126;
  --color-text-muted: #5f7078;
  --color-text-soft: #7f9198;
  --color-border: #d4dfdb;
  --color-border-strong: #b5c7c1;

  --color-primary: #0e7490;
  --color-primary-strong: #0b5f76;
  --color-secondary: #166534;
  --color-success: #0f766e;
  --color-warning: #b45309;
  --color-danger: #b91c1c;
  --color-info: #1d4ed8;

  --gradient-hero: linear-gradient(135deg, rgba(14, 116, 144, 0.14), rgba(22, 101, 52, 0.08));
  --gradient-panel: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 249, 247, 0.96));
  --gradient-progress: linear-gradient(90deg, #0e7490 0%, #22c55e 100%);

  --shadow-sm: 0 8px 20px rgba(23, 33, 38, 0.06);
  --shadow-md: 0 18px 40px rgba(23, 33, 38, 0.10);
  --shadow-focus: 0 0 0 4px rgba(14, 116, 144, 0.16);

  --radius-sm: 0.75rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.5rem;
  --radius-pill: 999px;

  --space-1: 0.35rem;
  --space-2: 0.65rem;
  --space-3: 0.9rem;
  --space-4: 1.1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.75rem;

  --transition-fast: 160ms ease;
  --transition-base: 220ms ease;

  --shell-max-width: 78rem;
}