/*
 * HBTH Design System v2
 *
 * This file only declares design tokens. It intentionally does not style
 * existing tool pages, so each tool can opt in during its own redesign.
 */
:root {
  /* Color — light */
  --ds-color-canvas: #f5f6f2;
  --ds-color-surface: #ffffff;
  --ds-color-surface-subtle: #eceee8;
  --ds-color-surface-strong: #191b1f;
  --ds-color-text: #191b1f;
  --ds-color-text-secondary: #656c78;
  --ds-color-text-tertiary: #8b919b;
  --ds-color-border: #dde0d9;
  --ds-color-border-strong: #c6cac1;
  --ds-color-brand: #e6c300;
  --ds-color-brand-soft: #fff6bd;
  --ds-color-brand-ink: #3a3200;
  --ds-color-on-brand: #282300;
  --ds-color-focus: #5b5ce2;
  --ds-color-positive: #16856b;
  --ds-color-danger: #cc4545;
  --ds-color-on-strong: #ffffff;

  /* Type */
  --ds-font-sans: "Pretendard Variable", Pretendard, "Noto Sans KR",
    "Noto Sans JP", "Segoe UI", system-ui, -apple-system, sans-serif;
  --ds-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ds-text-xs: 0.75rem;
  --ds-text-sm: 0.875rem;
  --ds-text-md: 1rem;
  --ds-text-lg: 1.125rem;
  --ds-text-xl: 1.25rem;
  --ds-text-2xl: 1.5rem;
  --ds-text-display: clamp(2.75rem, 7vw, 5.5rem);

  /* Space — 4px base grid */
  --ds-space-1: 0.25rem;
  --ds-space-2: 0.5rem;
  --ds-space-3: 0.75rem;
  --ds-space-4: 1rem;
  --ds-space-5: 1.25rem;
  --ds-space-6: 1.5rem;
  --ds-space-8: 2rem;
  --ds-space-10: 2.5rem;
  --ds-space-12: 3rem;
  --ds-space-16: 4rem;
  --ds-space-20: 5rem;
  --ds-space-24: 6rem;

  /* Shape */
  --ds-radius-sm: 0.625rem;
  --ds-radius-md: 0.875rem;
  --ds-radius-lg: 1.25rem;
  --ds-radius-xl: 1.75rem;
  --ds-radius-full: 999px;

  /* Elevation */
  --ds-shadow-sm: 0 1px 2px rgba(25, 27, 31, 0.04),
    0 3px 10px rgba(25, 27, 31, 0.04);
  --ds-shadow-md: 0 12px 32px rgba(25, 27, 31, 0.08);
  --ds-shadow-lg: 0 24px 64px rgba(25, 27, 31, 0.12);

  /* Motion */
  --ds-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ds-duration-fast: 160ms;
  --ds-duration-base: 240ms;
}

html[data-theme="dark"] {
  --ds-color-canvas: #101114;
  --ds-color-surface: #17191d;
  --ds-color-surface-subtle: #1f2227;
  --ds-color-surface-strong: #f5f6f2;
  --ds-color-text: #f5f6f2;
  --ds-color-text-secondary: #a5abb5;
  --ds-color-text-tertiary: #777e89;
  --ds-color-border: #2c3036;
  --ds-color-border-strong: #40454e;
  --ds-color-brand: #f0d329;
  --ds-color-brand-soft: #3b360e;
  --ds-color-brand-ink: #fffbe2;
  --ds-color-on-brand: #282300;
  --ds-color-focus: #9697ff;
  --ds-color-positive: #62c8ad;
  --ds-color-danger: #ff8585;
  --ds-color-on-strong: #101114;
  --ds-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.18),
    0 4px 14px rgba(0, 0, 0, 0.16);
  --ds-shadow-md: 0 16px 40px rgba(0, 0, 0, 0.24);
  --ds-shadow-lg: 0 28px 72px rgba(0, 0, 0, 0.34);
}