/* Design tokens. Calm light theme, single accent. Mobile-first. */

:root {
  /* Color */
  --color-bg:          #fafaf7;
  --color-surface:     #ffffff;
  --color-border:      #e6e4dd;
  --color-text:        #1f2024;
  --color-muted:       #6b6f76;
  --color-accent:      #2a7d65;       /* calm green */
  --color-accent-fg:   #ffffff;
  --color-accent-soft: #e6f1ed;
  --color-danger:      #b3261e;
  --color-danger-soft: #fdecea;
  --color-warning:     #d99000;       /* over-budget / "near" status */
  --color-focus:       #2a7d6566;

  /* Calendar status bands (history) */
  --color-cal-deficit:        #b8e0d2;
  --color-cal-deficit-light:  #c8e5d6;
  --color-cal-neutral:        #f1efe9;
  --color-cal-near:           #f8d8b3;
  --color-cal-over:           #f4c1bb;

  /* Misc soft tags */
  --color-tag-fresh-bg:       #f4ecd6;

  /* Spacing scale (4px base). */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, "Noto Sans", sans-serif,
               "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;

  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 22px;
  --font-size-2xl: 28px;

  --line-tight:  1.2;
  --line-normal: 1.5;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
}