/* Hallmark · genre: modern-minimal · theme: Cobalt (app-adapted)
 * token system · cool engineered light · Space Grotesk + Inter + JetBrains Mono
 */

:root {
  /* ── Colour – light ── */
  --color-paper:      oklch(97%  0.004 250);  /* cool near-white ground */
  --color-paper-2:    oklch(94%  0.006 250);  /* subtle surface */
  --color-card:       oklch(100% 0     0  );  /* card/container surface */
  --color-card-hover: oklch(98.5% 0.003 250); /* card hover lift */
  --color-ink:        oklch(22%  0.018 258);  /* primary text */
  --color-ink-2:      oklch(35%  0.015 257);  /* secondary text */
  --color-muted:      oklch(58%  0.010 255);  /* muted / helper text */
  --color-rule:       oklch(88%  0.005 252);  /* hairline border */
  --color-rule-2:     oklch(78%  0.008 252);  /* stronger border */
  --color-accent:     oklch(56%  0.21  256);  /* cobalt signal */
  --color-accent-2:   oklch(48%  0.20  256);  /* accent hover */
  --color-accent-ink: oklch(98%  0.002 250);  /* text on accent bg */
  --color-focus:      oklch(56%  0.21  256);  /* focus ring ≡ accent */
  --color-green:      oklch(55%  0.18  145);  /* success / positive */
  --color-green-bg:   oklch(93%  0.06  145);  /* success bg */
  --color-red:        oklch(50%  0.18   30);  /* danger / negative */
  --color-red-bg:     oklch(92%  0.06   30);  /* danger bg */
  --color-orange:     oklch(60%  0.16   70);  /* warning */
  --color-orange-bg:  oklch(94%  0.06   70);  /* warning bg */
  --color-accent-bg:  oklch(91%  0.04  256);  /* accent tint bg */
  --color-shadow:     oklch(22%  0.02  258 / 0.06);

  /* ── Colour – dark ── */
  --color-paper-d:      oklch(14%  0.006 258);
  --color-paper-2-d:    oklch(18%  0.008 258);
  --color-card-d:       oklch(16%  0.007 258);
  --color-card-hover-d: oklch(20%  0.008 258);
  --color-ink-d:        oklch(92%  0.006 260);
  --color-ink-2-d:      oklch(80%  0.008 260);
  --color-muted-d:      oklch(58%  0.010 258);
  --color-rule-d:       oklch(27%  0.008 258);
  --color-rule-2-d:     oklch(35%  0.008 258);
  --color-accent-d:     oklch(62%  0.22  256);
  --color-accent-2-d:   oklch(55%  0.20  256);
  --color-accent-bg-d:  oklch(22%  0.04  256);
  --color-green-d:      oklch(60%  0.18  145);
  --color-green-bg-d:   oklch(22%  0.04  145);
  --color-red-d:        oklch(55%  0.18   30);
  --color-red-bg-d:     oklch(22%  0.04   30);
  --color-orange-d:     oklch(65%  0.16   70);
  --color-shadow-d:     oklch(0%   0     0   / 0.25);

  /* ── Typography ── */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  /* ── Type scale (major third 1.25) ── */
  --text-xs:   0.6875rem;  /* 11px */
  --text-sm:   0.8125rem;  /* 13px */
  --text-base: 0.9375rem;  /* 15px */
  --text-md:   1.0625rem;  /* 17px */
  --text-lg:   1.3125rem;  /* 21px */
  --text-xl:   1.625rem;   /* 26px */
  --text-2xl:  2.0625rem;  /* 33px */
  --text-3xl:  2.5625rem;  /* 41px */

  /* ── Spacing (4 pt scale) ── */
  --space-3xs: 0.125rem;  /*  2px */
  --space-2xs: 0.25rem;   /*  4px */
  --space-xs:  0.5rem;    /*  8px */
  --space-sm:  0.75rem;   /* 12px */
  --space-md:  1rem;      /* 16px */
  --space-lg:  1.5rem;    /* 24px */
  --space-xl:  2.5rem;    /* 40px */
  --space-2xl: 4rem;      /* 64px */
  --space-3xl: 6rem;      /* 96px */

  /* ── Radii ── */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  /* ── Elevation ── */
  --shadow-card:  0 1px 2px var(--color-shadow);
  --shadow-lift:  0 2px 8px var(--color-shadow);
  --shadow-modal: 0 8px 32px var(--color-shadow);

  /* ── Motion ── */
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast:     150ms;
  --dur-normal:   250ms;
  --dur-slow:     400ms;
}

/* ── Base ── */
html, body { overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Typographic tokens ── */
h1, h2, h3, h4, h5, strong, .font-display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

code, .font-mono, .btn--mono {
  font-family: var(--font-mono);
}