@charset "UTF-8";
:root, :root[data-theme=sketchbook-light] {
  color-scheme: light;
  /* Surfaces — warm paper */
  --paper: #F7F3EA;
  --paper-raised: #FDFAF2;
  --paper-sunk: #ECE5D3;
  --paper-glass: rgba(253, 250, 242, 0.75);
  /* Ink — warm pencil + sumi */
  --ink: #2A241E;
  --ink-soft: #4A4037;
  --ink-faint: #726858;
  --graphite: #3A332B;
  --muted: #948977;
  /* Construction lines */
  --guide: #C9BDA5;
  --guide-soft: #DDD4C0;
  --hair: #D4CCBB;
  --hair-soft: #E8E2D4;
  /* Primary accent — indigo */
  --ai: #1F3A5F;
  --ai-ink: #14263F;
  --ai-wash: #E5EBF1;
  /* Seal — vermilion (reserve for emphasis) */
  --shu: #C1272D;
  --shu-wash: #F6E3E1;
  /* Draft / marginalia — warm gold */
  --ochre: #A37B30;
  --ochre-wash: #F0E5CC;
  /* Code surface */
  --code-bg: #2B2420;
  --code-ink: #F7F3EA;
  --code-muted: #A39787;
  --code-accent: #E5B660;
  --code-green: #A8B86C;
  --code-blue: #94AFC9;
  /* Typography */
  --font-display: 'DM Serif Display', 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-script: 'Caveat', 'Shadows Into Light', cursive;
  --font-serif: 'Noto Serif JP', 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, Menlo, monospace;
  /* Radius */
  --r-sm: 2px;
  --r-md: 3px;
  --r-lg: 6px;
  /* Shadows — ink bleeding through paper */
  --shadow-sm: 0 1px 2px rgba(42, 36, 30, .06);
  --shadow-md: 0 4px 18px rgba(42, 36, 30, .08);
  --shadow-lg: 0 12px 40px rgba(42, 36, 30, .12);
  --shadow-xl: 0 20px 50px rgba(42, 36, 30, .16);
  --shadow-2xl: 0 28px 70px rgba(42, 36, 30, .22);
  /* Blur — paper themes don't use it; declared so swap stays lossless */
  --blur-sm: none;
  --blur-md: none;
  --blur-lg: none;
  /* Glow — faint ink bleed, not phosphor */
  --glow-sm: 0 0 0 transparent;
  --glow-md: 0 0 0 transparent;
  --glow-lg: 0 0 0 transparent;
  /* Motion */
  --duration-fast: 180ms;
  --duration-normal: 240ms;
  --duration-slow: 380ms;
  --ease: cubic-bezier(0.33, 0.66, 0.33, 1);
  /* ----------------------------------------------------------
  SEMANTIC ALIASES
  -----------------------------------------------------------
  Bridge the library's expected names to this theme's native
  palette. Components can now write m.color(surface-default)
  or var(--surface-default) and reskin with the theme
  automatically.
  ---------------------------------------------------------- */
  /* Backgrounds (page-level) */
  --background-default: var(--paper);
  --background-subtle: var(--paper-sunk);
  --background-navbar: var(--paper-raised);
  /* Surfaces */
  --surface-default: var(--paper);
  --surface-raised: var(--paper-raised);
  --surface-sunk: var(--paper-sunk);
  --surface-muted: var(--paper-sunk);
  --surface-subtle: var(--paper-raised);
  --surface-emphasis: var(--ink);
  --surface-glass: var(--paper-glass);
  /* Text */
  --text-primary: var(--ink);
  --text-secondary: var(--ink-soft);
  --text-muted: var(--ink-faint);
  --text-tertiary: var(--muted);
  --text-inverse: var(--paper);
  --text-link: var(--ai);
  --text-link-hover: var(--ai-ink);
  /* Borders */
  --border-default: var(--hair);
  --border-subtle: var(--hair-soft);
  --border-emphasis: var(--ink);
  --border-focus: var(--ai);
  /* Interactive (hover / active wash layers) */
  --interactive-hover: rgba(42, 36, 30, 0.06);
  --interactive-active: rgba(42, 36, 30, 0.12);
  /* Brand (identity — action-primary usually references these) */
  --brand-primary: var(--ai);
  --brand-primary-hover: var(--ai-ink);
  /* Action (primary / secondary / tertiary) */
  --action-primary-default: var(--ai);
  --action-primary-hover: var(--ai-ink);
  --action-primary-active: var(--ai-ink);
  --action-primary-wash: var(--ai-wash);
  --action-secondary-default: var(--shu);
  --action-secondary-hover: var(--shu);
  --action-secondary-active: var(--shu);
  --action-secondary-wash: var(--shu-wash);
  --action-tertiary-default: var(--ochre);
  --action-tertiary-hover: var(--ochre);
  --action-tertiary-active: var(--ochre);
  --action-tertiary-wash: var(--ochre-wash);
  /* Feedback / status (high-level semantic) */
  --feedback-info: var(--ai);
  --feedback-success: var(--code-green);
  --feedback-warning: var(--ochre);
  --feedback-error: var(--shu);
  /* Status — info (three-part: default / subtle / text) */
  --info-default: var(--ai);
  --info-subtle: var(--ai-wash);
  --info-text: var(--ai-ink);
  /* Status — success */
  --success-default: #5A7A3A;
  --success-subtle: #EAEFDC;
  --success-text: #3F5627;
  /* Status — warning */
  --warning-default: var(--ochre);
  --warning-subtle: var(--ochre-wash);
  --warning-text: #6B4E1E;
  /* Status — error */
  --error-default: var(--shu);
  --error-subtle: var(--shu-wash);
  --error-text: #7A1A1F;
  /* ----------------------------------------------------------
  LIBRARY SCALES (space / radius / type / motion / z)
  -----------------------------------------------------------
  The library mixins emit var(--space-<key>), var(--radius-<key>),
  var(--font-primary), var(--font-size-<key>), var(--z-<key>), …
  Themes declare the slots so those mixins always resolve.
  Override any of these to change the whole system's rhythm.
  ---------------------------------------------------------- */
  /* Space scale (rem for accessibility) */
  --space-2xs: 0.25rem;
  --space-xs: var(--space-1);
  --space-sm: var(--space-2);
  --space-md: var(--space-4);
  --space-lg: var(--space-5);
  --space-xl: var(--space-6);
  --space-2xl: var(--space-7);
  --space-3xl: var(--space-8);
  --space-4xl: var(--space-9);
  /* Radius alias — mirrors --r-* with standard names so
  `m.radius(size)` in the library finds --radius-<size>. */
  --radius-sm: var(--r-sm);
  --radius-md: var(--r-md);
  --radius-lg: var(--r-lg);
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
  /* Typography — base body font + key scale slots */
  --font-primary: var(--font-sans);
  --font-size-base: 1rem;
  --line-height-normal: 1.5;
  --font-weight-medium: 500;
  /* Z-index layers */
  --z-sticky: 1020;
  --z-dropdown: 1030;
  --z-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  /* Spacing rhythm — THE knob for how dense or airy this theme feels.
     The numbered scale is the source of truth: every component reads
     var(--space-N), and the t-shirt aliases (--space-md, --space-lg …)
     are emitted by the library as references to these, so they follow
     automatically. Change a value here and the whole page re-proportions. */
  --space-0: 0;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 0.875rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
}