/* ──────────────────────────────────────────────────────────────
   tokens.css — portable design system, multi-theme.
   Default theme: Cobalt Night (deep navy ground · electric cobalt
   signal). Alternates: Paper (light), CRT (phosphor), Ember (warm).
   Every color a component uses flows through these custom props.
   ────────────────────────────────────────────────────────────── */

:root,
[data-theme="cobalt"] {
  --color-paper:      oklch(16%   0.028 258);
  --color-paper-2:    oklch(19%   0.032 258);
  --color-paper-3:    oklch(23%   0.036 256);
  --color-rule:       oklch(30%   0.040 256);
  --color-rule-2:     oklch(40%   0.048 255);
  --color-muted:      oklch(68%   0.028 255);
  --color-neutral:    oklch(78%   0.022 254);
  --color-ink-2:      oklch(88%   0.014 253);
  --color-ink:        oklch(96%   0.008 250);
  --color-accent:        oklch(70%   0.15  245);
  --color-accent-ink:    oklch(12%   0.020 258);
  --color-accent-bright: oklch(78%   0.13  240);
  --color-focus:         oklch(75%   0.14  245);
  --color-graphite:      oklch(11%   0.024 260);
  --color-band:            oklch(19%   0.034 256);
  --color-band-rule:       oklch(32%   0.044 256);
  --color-band-label:      oklch(66%   0.050 250);
  --color-band-ink:        oklch(86%   0.018 253);
  --color-band-ink-muted:  oklch(74%   0.026 254);
  --color-band-ink-strong: oklch(97%   0.006 250);
  --color-footer-text: oklch(88%   0.012 250);
  --color-footer-link: oklch(93%   0.010 248);
  --color-ok:       oklch(78% 0.16 155);
  --color-glow:     oklch(70% 0.15 245 / 0.14);
  --skeleton-a:     oklch(21% 0.03 257);
  --skeleton-b:     oklch(27% 0.035 255);
}

[data-theme="paper"] {
  --color-paper:      oklch(97%   0.006 260);
  --color-paper-2:    oklch(94%   0.008 260);
  --color-paper-3:    oklch(91%   0.010 258);
  --color-rule:       oklch(86%   0.012 258);
  --color-rule-2:     oklch(76%   0.016 258);
  --color-muted:      oklch(46%   0.020 258);
  --color-neutral:    oklch(34%   0.020 259);
  --color-ink-2:      oklch(24%   0.022 260);
  --color-ink:        oklch(17%   0.024 261);
  --color-accent:        oklch(52% 0.19 253);
  --color-accent-ink:    oklch(98% 0.006 260);
  --color-accent-bright: oklch(45% 0.19 253);
  --color-focus:         oklch(52% 0.19 253);
  --color-graphite:      oklch(93% 0.010 259);
  --color-band:            oklch(94%   0.008 260);
  --color-band-rule:       oklch(80%   0.014 258);
  --color-band-label:      oklch(48%   0.020 258);
  --color-band-ink:        oklch(28%   0.022 260);
  --color-band-ink-muted:  oklch(36%   0.020 259);
  --color-band-ink-strong: oklch(18%   0.024 261);
  --color-footer-text: oklch(30% 0.022 260);
  --color-footer-link: oklch(22% 0.023 261);
  --color-ok:       oklch(52% 0.15 155);
  --color-glow:     oklch(52% 0.19 253 / 0.10);
  --skeleton-a:     oklch(92% 0.008 260);
  --skeleton-b:     oklch(87% 0.010 259);
}

[data-theme="crt"] {
  --color-paper:      oklch(14%  0.02 160);
  --color-paper-2:    oklch(17%  0.025 160);
  --color-paper-3:    oklch(21%  0.03 162);
  --color-rule:       oklch(30%  0.05 160);
  --color-rule-2:     oklch(42%  0.08 158);
  --color-muted:      oklch(70%  0.10 155);
  --color-neutral:    oklch(80%  0.09 152);
  --color-ink-2:      oklch(89%  0.10 150);
  --color-ink:        oklch(95%  0.13 148);
  --color-accent:        oklch(84% 0.20 150);
  --color-accent-ink:    oklch(12% 0.02 160);
  --color-accent-bright: oklch(90% 0.20 148);
  --color-focus:         oklch(88% 0.20 148);
  --color-graphite:      oklch(11% 0.018 162);
  --color-band:            oklch(17% 0.025 160);
  --color-band-rule:       oklch(32% 0.055 160);
  --color-band-label:      oklch(66% 0.10 156);
  --color-band-ink:        oklch(86% 0.09 152);
  --color-band-ink-muted:  oklch(75% 0.09 154);
  --color-band-ink-strong: oklch(96% 0.12 149);
  --color-footer-text: oklch(87% 0.09 152);
  --color-footer-link: oklch(92% 0.10 151);
  --color-ok:       oklch(85% 0.19 150);
  --color-glow:     oklch(84% 0.20 150 / 0.12);
  --skeleton-a:     oklch(19% 0.025 160);
  --skeleton-b:     oklch(25% 0.032 159);
}

[data-theme="ember"] {
  --color-paper:      oklch(15%  0.022 40);
  --color-paper-2:    oklch(18%  0.026 40);
  --color-paper-3:    oklch(22%  0.030 38);
  --color-rule:       oklch(30%  0.034 38);
  --color-rule-2:     oklch(41%  0.044 36);
  --color-muted:      oklch(70%  0.030 44);
  --color-neutral:    oklch(79%  0.024 42);
  --color-ink-2:      oklch(88%  0.016 40);
  --color-ink:        oklch(96%  0.010 38);
  --color-accent:        oklch(72% 0.17 42);
  --color-accent-ink:    oklch(13% 0.020 40);
  --color-accent-bright: oklch(79% 0.15 46);
  --color-focus:         oklch(76% 0.16 42);
  --color-graphite:      oklch(11% 0.020 42);
  --color-band:            oklch(18% 0.028 40);
  --color-band-rule:       oklch(32% 0.040 38);
  --color-band-label:      oklch(67% 0.045 44);
  --color-band-ink:        oklch(86% 0.014 42);
  --color-band-ink-muted:  oklch(75% 0.022 44);
  --color-band-ink-strong: oklch(97% 0.006 38);
  --color-footer-text: oklch(88% 0.010 40);
  --color-footer-link: oklch(93% 0.008 42);
  --color-ok:       oklch(78% 0.16 155);
  --color-glow:     oklch(72% 0.17 42 / 0.14);
  --skeleton-a:     oklch(20% 0.026 40);
  --skeleton-b:     oklch(27% 0.030 39);
}

:root {
  --font-display: "Space Grotesk", "Inter Tight", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-fa:      "Vazirmatn", ui-sans-serif, system-ui, sans-serif;
  --font-label:   "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --display-weight: 500;
  --display-style:  normal;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.25rem;
  --text-lg:   1.5625rem;
  --text-xl:   1.9531rem;
  --text-2xl:  2.4414rem;
  --text-3xl:  3.0518rem;
  --text-display:   clamp(2.5rem, 6vw + 0.5rem, 4.5rem);
  --text-display-s: clamp(1.85rem, 3vw + 0.5rem, 2.75rem);
  --tracking-display: -0.03em;
  --tracking-tight:   -0.015em;
  --tracking-label:    0.06em;
  --lh-display: 1.05;
  --lh-tight:   1.15;
  --lh-body:    1.55;
  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-sm:  0.75rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;
  --shell:       1200px;
  --page-gutter: clamp(1rem, 4vw, 2rem);
  --section-gap: clamp(3.5rem, 8vw, 8rem);
  --radius-card:  8px;
  --radius-pill:  999px;
  --radius-input: 6px;
  --radius-inner: 4px;
  --rule-hair:    1px;
  --rule-solid:   1px;
  --rule-signal:  2px;
  --shadow-card:  0 1px 2px rgba(0, 0, 0, 0.35);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-short:   0.15s;
  --dur-mid:     0.2s;
  --z-base:       1;
  --z-raised:    10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-sticky-nav: 300;
  --z-modal:    400;
  --z-toast:    500;
}