:root {
  --color-background: #f5f5f8;
  --color-surface: #ffffff;
  --color-elevated: #f0f0f5;
  --color-overlay: rgba(255, 255, 255, 0.78);
  --color-border: #e5e5ec;
  --color-border-strong: #d5d5df;
  --color-border-soft: rgba(20, 20, 30, 0.04);
  --color-text-primary: #19191f;
  --color-text-secondary: #74747f;
  --color-text-muted: #a3a3ad;
  --color-text-inverse: #ffffff;
  --color-primary: #7668e8;
  --color-primary-hover: #6556dd;
  --color-primary-pressed: #5748ca;
  --color-primary-soft: rgba(118, 104, 232, 0.1);
  --color-success: #258463;
  --color-warning: #9b7418;
  --color-info: #3e7e96;
  --color-danger: #cc4b63;
  --color-success-soft: rgba(75, 181, 142, 0.12);
  --color-warning-soft: rgba(245, 201, 91, 0.17);
  --color-info-soft: rgba(105, 194, 224, 0.14);
  --color-danger-soft: rgba(224, 101, 124, 0.12);
  --font-display: "Noto Sans Thai Local", "Noto Sans Thai", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Noto Sans Thai Local", "Noto Sans Thai", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  --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: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(34, 32, 55, 0.04),
               0 10px 30px rgba(34, 32, 55, 0.04);
  --shadow-md: 0 16px 50px rgba(45, 42, 72, 0.12);
  --focus-ring: 0 0 0 3px rgba(118, 104, 232, 0.24);
  --motion-fast: 120ms;
  --motion-base: 150ms;
  --easing-standard: cubic-bezier(0.2, 0.6, 0.2, 1);
}