@charset "UTF-8";
@import 'https://fonts.googleapis.com/css2?family=Caveat:wght@400;500;600;700&display=swap';
:root, :root[data-theme=cupertino] {
  color-scheme: light dark;
  /* Surfaces — AppKit panels */
  --paper: light-dark(#F5F5F7, #1E1E1E);
  --paper-raised: light-dark(#FFF, #2A2A2A);
  --paper-sunk: light-dark(#E9E9EC, #141414);
  --paper-glass: light-dark(rgba(255, 255, 255, 0.72), rgba(42, 42, 42, 0.72));
  /* Ink — warm black / warm white, never pure */
  --ink: light-dark(#1D1D1F, #F5F5F7);
  --ink-soft: light-dark(#3A3A3C, #C7C7CC);
  --ink-faint: light-dark(#66666B, #98989D);
  --graphite: light-dark(#2C2C2E, #AEAEB2);
  --muted: light-dark(#84858a, #6E6E73);
  /* Hairlines — solid in light, translucent white in dark */
  --guide: light-dark(#D2D2D7, rgba(255, 255, 255, 0.16));
  --guide-soft: light-dark(#E5E5EA, rgba(255, 255, 255, 0.08));
  --hair: light-dark(#D2D2D7, rgba(255, 255, 255, 0.12));
  --hair-soft: light-dark(#E5E5EA, rgba(255, 255, 255, 0.06));
  /* Primary accent — Apple system blue (dark variant brighter) */
  --ai: light-dark(#005EBB, #1e8eff);
  --ai-ink: light-dark(#0058B0, #409CFF);
  --ai-wash: light-dark(#E5F0FB, rgba(10, 132, 255, 0.16));
  /* Seal — Apple system red */
  --shu: light-dark(#f73229, #FF453A);
  --shu-wash: light-dark(#FFEAE8, rgba(255, 69, 58, 0.16));
  /* Accent — Apple system orange */
  --ochre: light-dark(#FF9F0A, #FF9F0A);
  --ochre-wash: light-dark(#FFF4E0, rgba(255, 159, 10, 0.16));
  /* Code surface — Xcode dark in both modes (intentional editorial) */
  --code-bg: light-dark(#1C1C1E, #0F0F0F);
  --code-ink: light-dark(#F2F2F7, #F2F2F7);
  --code-muted: #8E8E93;
  --code-accent: #FF9F0A;
  --code-green: #30D158;
  --code-blue: #64D2FF;
  /* Typography — SF system stack, identical */
  --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-script: 'Caveat', 'Shadows Into Light', cursive;
  --font-serif: ui-serif, 'New York', 'Iowan Old Style', 'Palatino', Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', ui-monospace, 'JetBrains Mono', 'Menlo', Consolas, monospace;
  /* Radius — AppKit corners, identical */
  --r-sm: 8px;
  --r-md: 10px;
  --r-lg: 14px;
  /* Shadows — small, diffuse, lifted, deeper on dark */
  --shadow-sm: 0 1px 2px light-dark(rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.30)),
               0 0 0 0.5px light-dark(rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.30));
  --shadow-md: 0 4px 14px light-dark(rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.40)),
               0 1px 3px light-dark(rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.30));
  --shadow-lg: 0 12px 40px light-dark(rgba(0, 0, 0, 0.10), rgba(0, 0, 0, 0.50)),
               0 2px 6px light-dark(rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.30));
  --shadow-xl: 0 20px 50px light-dark(rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.60)),
               0 4px 10px light-dark(rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.32));
  --shadow-2xl: 0 28px 70px light-dark(rgba(0, 0, 0, 0.20), rgba(0, 0, 0, 0.72)),
                0 6px 14px light-dark(rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.36));
  /* Blur — vibrancy signature, identical */
  --blur-sm: blur(20px) saturate(180%);
  --blur-md: blur(30px) saturate(180%);
  --blur-lg: blur(40px) saturate(180%);
  /* Glow — Cupertino doesn't glow, it lifts */
  --glow-sm: 0 0 0 transparent;
  --glow-md: 0 0 0 transparent;
  --glow-lg: 0 0 0 transparent;
  /* Motion — Apple-snappy, identical */
  --duration-fast: 160ms;
  --duration-normal: 220ms;
  --duration-slow: 320ms;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  /* Semantic aliases */
  --background-default: var(--paper);
  --background-subtle: var(--paper-sunk);
  --background-navbar: var(--paper-raised);
  --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-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);
  --border-default: var(--hair);
  --border-subtle: var(--hair-soft);
  --border-emphasis: var(--ink);
  --border-focus: var(--ai);
  --interactive-hover: light-dark(rgba(0, 0, 0, 0.04), rgba(255, 255, 255, 0.06));
  --interactive-active: light-dark(rgba(0, 0, 0, 0.08), rgba(255, 255, 255, 0.10));
  --brand-primary: var(--ai);
  --brand-primary-hover: var(--ai-ink);
  --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-info: var(--ai);
  --feedback-success: var(--code-green);
  --feedback-warning: var(--ochre);
  --feedback-error: var(--shu);
  --info-default: var(--ai);
  --info-subtle: var(--ai-wash);
  --info-text: var(--ai-ink);
  --success-default: light-dark(var(--code-green), #30D158);
  --success-subtle: light-dark(rgba(48, 209, 88, 0.12), rgba(48, 209, 88, 0.16));
  --success-text: light-dark(#0F6E22, #5FE37F);
  --warning-default: var(--ochre);
  --warning-subtle: var(--ochre-wash);
  --warning-text: light-dark(#985000, #FFB340);
  --error-default: var(--shu);
  --error-subtle: light-dark(rgba(255, 59, 48, 0.12), rgba(255, 69, 58, 0.16));
  --error-text: light-dark(#A8281F, #FF6961);
  /* Library scales — identical */
  /* 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.
     Halve them for a compact UI; raise 4/5/6 for an airy editorial feel. */
  --space-unit: 0.125rem;
  --space-0: 0;
  --space-1: calc(var(--space-unit) * 4);
  --space-2: calc(var(--space-unit) * 6);
  --space-3: calc(var(--space-unit) * 7);
  --space-4: calc(var(--space-unit) * 8);
  --space-5: calc(var(--space-unit) * 12);
  --space-6: calc(var(--space-unit) * 16);
  --space-7: calc(var(--space-unit) * 24);
  --space-8: calc(var(--space-unit) * 32);
  --space-9: calc(var(--space-unit) * 48);
  --space-2xs: calc(var(--space-unit) * 2);
  /* T-shirt aliases - var() references into this theme's numbered scale,
     so re-tuning a numbered step re-tunes its alias automatically. */
  --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-sm: var(--r-sm);
  --radius-md: var(--r-md);
  --radius-lg: var(--r-lg);
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
  --font-primary: var(--font-sans);
  --font-size-base: 1rem;
  --line-height-normal: 1.5;
  --font-weight-medium: 500;
  --z-sticky: 1020;
  --z-dropdown: 1030;
  --z-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  /* Component overrides — AppKit identity */
  --btn-radius: var(--r-md);
  --card-radius: var(--r-lg);
  --card-shadow: var(--shadow-sm);
  --input-radius: var(--r-sm);
  --modal-radius: var(--r-lg);
  --tooltip-radius: var(--r-sm);

  /* page surfaces — derived, see scripts/derive-page-surfaces.mjs */
  --page-hero-bg: light-dark(#e6ecf3, #1e252c);
  --page-hero-ink: light-dark(#1d1d1f, #f5f5f7);
  --page-band-bg: light-dark(#ecf0f5, #1e2226);
  --page-band-ink: light-dark(#1d1d1f, #f5f5f7);
}