/* Hallmark · tokens · theme: Hum (playful) · paper: light cream · display: rounded-sans · accent: multi (pear / cyan / coral) */
:root {
  /* colour — Hum */
  --color-paper:     oklch(97% 0.012 95);
  --color-paper-2:   oklch(94% 0.016 95);
  --color-paper-3:   oklch(91% 0.020 95);
  --color-rule:      oklch(84% 0.014 95);
  --color-muted:     oklch(44% 0.020 250);
  --color-ink:       oklch(20% 0.012 250);
  --color-ink-soft:  oklch(28% 0.014 250);
  --color-accent:    oklch(86% 0.18 95);    /* pear — primary action */
  --color-accent-deep: oklch(78% 0.17 92);  /* pear pressed */
  --color-accent-2:  oklch(66% 0.18 235);   /* sky cyan — links, hover tint */
  --color-accent-2-soft: oklch(92% 0.05 235);
  --color-accent-ink: var(--color-ink);  /* text on pear */
  --color-accent-3:  oklch(68% 0.24 18);    /* coral — one pop moment */
  --color-mint:      oklch(80% 0.16 150);
  --color-mint-soft: oklch(93% 0.06 150);
  --color-focus:     oklch(55% 0.19 235);
  --color-board:     oklch(90% 0.06 85);    /* shogi board wood */
  --color-board-line: oklch(55% 0.06 70);
  --color-piece:     oklch(95% 0.03 90);
  --color-success:   oklch(45% 0.14 150);
  --color-error:     oklch(48% 0.20 25);
  /* dark surface (signup band) */
  --color-dark-2:        oklch(26% 0.014 250);
  --color-dark-rule:     oklch(40% 0.02 250);
  --color-on-dark:       oklch(80% 0.01 250);
  --color-on-dark-muted: oklch(68% 0.02 250);
  --color-on-dark-faint: oklch(68% 0.02 250);
  --color-on-dark-error: oklch(80% 0.14 25);

  /* type */
  --font-display: "Plus Jakarta Sans", "Zen Maru Gothic", "Hiragino Maru Gothic ProN", ui-rounded, sans-serif;
  --font-body:    "Plus Jakarta Sans", "Zen Maru Gothic", "Hiragino Maru Gothic ProN", ui-rounded, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --text-xs:   0.8rem;
  --text-sm:   0.9rem;
  --text-base: 1rem;
  --text-md:   1.2rem;
  --text-lg:   1.44rem;
  --text-xl:   1.73rem;
  --text-2xl:  2.07rem;
  --text-3xl:  2.49rem;
  --text-display: clamp(2.1rem, 3.6vw + 1rem, 3.6rem);

  /* space — 4 pt */
  --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;
  --page-gutter: clamp(1rem, 4vw, 2rem);
  --measure: 38em;

  /* shape */
  --radius-card: 20px;
  --radius-input: 12px;
  --radius-pill: 999px;
  --rule-hair: 1px;

  /* motion */
  --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-micro: 120ms;
  --dur-short: 220ms;
  --dur-long:  420ms;

  /* depth */
  --shadow-contact: 0 1px 2px oklch(20% 0.02 95 / 0.08);
  --shadow-ambient: 0 12px 28px -14px oklch(30% 0.06 95 / 0.25);

  /* z */
  --z-sticky: 200;
  --z-toast: 500;

  /* nav */
  --banner-h: 40px;
  --bar-h: 64px;
}