/* shared/tokens.css — the printed-matchbox look for every sorting prototype.
 *
 * References: 1960s Japanese matchbox labels (two or three flat inks, keylines printed slightly
 * off-register, halftone shading, stamped type) and Studio Ghibli warmth (washi paper, soft
 * greens, lantern light). Colors are OKLch. shared/icons.js mirrors these values (INK_OKLCH) so
 * SVG labels print with the same inks; keep the two lists in step.
 *
 * Themes: light "paper" by default; dark "night market" under prefers-color-scheme: dark.
 * Force either with <html data-theme="light|dark">.
 * Labels from label() keep their printed colors in both themes: they are objects on the table.
 */
@import url('https://fonts.googleapis.com/css2?family=Dela+Gothic+One&family=Rampart+One&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=Zen+Maru+Gothic:wght@500;700;900&display=swap');

:root {
  /* ---- base inks (fixed; the same in both themes) ---- */
  --ink-paper:     oklch(0.955 0.025 85);   /* washi cream */
  --ink-kraft:     oklch(0.895 0.040 80);   /* darker kraft cream */
  --ink-sumi:      oklch(0.240 0.020 45);   /* warm black keyline */
  --ink-vermilion: oklch(0.620 0.200 35);   /* torii shu */
  --ink-indigo:    oklch(0.400 0.110 262);  /* aizome */
  --ink-matcha:    oklch(0.640 0.120 130);
  --ink-mustard:   oklch(0.820 0.150 88);
  --ink-sakura:    oklch(0.850 0.070 10);
  --ink-night:     oklch(0.240 0.050 270);
  --ink-kaki:      oklch(0.720 0.150 55);   /* persimmon */
  --ink-asagi:     oklch(0.620 0.090 205);  /* pale teal-blue */
  --ink-cha:       oklch(0.460 0.070 50);   /* roasted tea brown */
  --ink-nezumi:    oklch(0.660 0.020 75);   /* warm mouse grey */
  --ink-beni:      oklch(0.560 0.180 10);   /* rouge */

  /* ---- category label grounds (match CAT_META in icons.js) ---- */
  --cat-ramen:   var(--ink-vermilion);
  --cat-sushi:   var(--ink-indigo);
  --cat-food:    var(--ink-kaki);
  --cat-sweets:  var(--ink-sakura);
  --cat-bar:     var(--ink-night);
  --cat-fashion: var(--ink-asagi);
  --cat-otaku:   var(--ink-mustard);
  --cat-shop:    var(--ink-cha);
  --cat-temple:  var(--ink-sumi);
  --cat-museum:  var(--ink-nezumi);
  --cat-nature:  var(--ink-matcha);
  --cat-fun:     var(--ink-beni);

  /* ---- provenance ---- */
  --prov-loved:   var(--ink-vermilion);
  --prov-visited: var(--ink-indigo);
  --prov-saved:   var(--ink-sumi);

  /* ---- semantic (theme-dependent) ---- */
  --paper:      var(--ink-paper);
  --paper-2:    var(--ink-kraft);
  --ink:        var(--ink-sumi);
  --ink-soft:   oklch(0.42 0.03 50);
  --rule:       oklch(0.24 0.02 45 / 0.85);
  --accent:     var(--ink-vermilion);
  --accent-2:   var(--ink-indigo);
  --highlight:  var(--ink-mustard);
  --dim:        0.28;                        /* opacity for non-matching items */
  --misreg:     var(--ink-vermilion);        /* off-register second ink */

  /* ---- type ---- */
  --font-display: 'Dela Gothic One', 'Zen Kaku Gothic New', sans-serif;
  --font-poster:  'Rampart One', 'Dela Gothic One', sans-serif;
  --font-body:    'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-round:   'Zen Maru Gothic', 'Zen Kaku Gothic New', sans-serif;

  /* ---- shape and motion ---- */
  --radius: 3px;
  --rule-w: 2px;
  --ease-snap: cubic-bezier(.2, .9, .25, 1.15);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --t-fast: 140ms;
  --t-med: 260ms;

  /* ---- textures (inline SVG, no image files) ---- */
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .30 0 0 0 0 .22 0 0 0 0 .14 0 0 0 1.4 -.55'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --fibers: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='420'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.012 .09' numOctaves='2' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .45 0 0 0 0 .30 0 0 0 1.1 -.6'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E");

  color-scheme: light;
}

/* ---- night market ---- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:     oklch(0.215 0.045 268);
    --paper-2:   oklch(0.275 0.050 265);
    --ink:       oklch(0.930 0.030 85);
    --ink-soft:  oklch(0.780 0.035 80);
    --rule:      oklch(0.93 0.03 85 / 0.7);
    --accent:    oklch(0.700 0.190 38);
    --accent-2:  oklch(0.780 0.110 240);
    --highlight: oklch(0.860 0.150 88);
    --misreg:    oklch(0.700 0.190 38);
    --dim:       0.24;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper:     oklch(0.215 0.045 268);
  --paper-2:   oklch(0.275 0.050 265);
  --ink:       oklch(0.930 0.030 85);
  --ink-soft:  oklch(0.780 0.035 80);
  --rule:      oklch(0.93 0.03 85 / 0.7);
  --accent:    oklch(0.700 0.190 38);
  --accent-2:  oklch(0.780 0.110 240);
  --highlight: oklch(0.860 0.150 88);
  --misreg:    oklch(0.700 0.190 38);
  --dim:       0.24;
  color-scheme: dark;
}

/* ---- base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.55;
  overflow-x: hidden;
}
/* Paper: grain + long washi fibers + a soft sun-faded vignette. Night: lantern glow instead. */
.paper, body.paper {
  background-color: var(--paper);
  background-image:
    var(--grain),
    var(--fibers),
    radial-gradient(120% 90% at 50% 0%, oklch(1 0 0 / 0.35), transparent 60%),
    radial-gradient(140% 120% at 50% 110%, oklch(0.55 0.06 60 / 0.16), transparent 55%);
  background-size: 220px 220px, 420px 420px, 100% 100%, 100% 100%;
  background-attachment: fixed;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .paper, :root:not([data-theme="light"]) body.paper {
    background-image:
      var(--grain),
      radial-gradient(60% 40% at 18% 0%, oklch(0.70 0.19 38 / 0.22), transparent 70%),
      radial-gradient(50% 35% at 85% 4%, oklch(0.86 0.15 88 / 0.14), transparent 70%),
      radial-gradient(120% 80% at 50% 120%, oklch(0.12 0.04 270 / 0.9), transparent 60%);
    background-size: 220px 220px, 100% 100%, 100% 100%, 100% 100%;
  }
}
:root[data-theme="dark"] .paper, :root[data-theme="dark"] body.paper {
  background-image:
    var(--grain),
    radial-gradient(60% 40% at 18% 0%, oklch(0.70 0.19 38 / 0.22), transparent 70%),
    radial-gradient(50% 35% at 85% 4%, oklch(0.86 0.15 88 / 0.14), transparent 70%),
    radial-gradient(120% 80% at 50% 120%, oklch(0.12 0.04 270 / 0.9), transparent 60%);
  background-size: 220px 220px, 100% 100%, 100% 100%, 100% 100%;
}

h1, h2, h3, .display { font-family: var(--font-display); font-weight: 400; letter-spacing: 0.01em; line-height: 1.1; }
.poster { font-family: var(--font-poster); font-weight: 400; }
.round { font-family: var(--font-round); }
a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 2px; }

/* ---- utilities ---- */

/* Rubber stamp: ink border, slight tilt, worn edges (grain used as a mask). */
.stamp {
  display: inline-block;
  padding: 0.18em 0.55em 0.12em;
  border: 0.14em solid currentColor;
  border-radius: 0.18em;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.9em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: rotate(-4deg);
  -webkit-mask-image: var(--grain), linear-gradient(#000, #000);
  -webkit-mask-composite: source-out;
  mask-image: var(--grain), linear-gradient(#000, #000);
  mask-composite: exclude;
  mask-size: 90px 90px, 100% 100%;
}
.stamp.round { border-radius: 999px; padding: 0.5em 0.65em; }

/* Off-register press: the keyline ink lands, a second ink lands a hair to the side. */
.ink-press {
  color: var(--ink);
  text-shadow: 0.055em 0.045em 0 var(--misreg);
}
.ink-press.indigo { --misreg: var(--ink-indigo); }
.ink-press.mustard { --misreg: var(--ink-mustard); }
.ink-press.boxed { box-shadow: 3px 2px 0 var(--misreg); outline: var(--rule-w) solid var(--ink); outline-offset: -1px; }

/* Halftone dots that fade toward the bottom-right. Set --ht (dot color) and --ht-size. */
.halftone { position: relative; isolation: isolate; }
.halftone::after {
  content: '';
  position: absolute; inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--ht, var(--accent)) 32%, transparent 36%);
  background-size: var(--ht-size, 7px) var(--ht-size, 7px);
  -webkit-mask-image: radial-gradient(120% 120% at 0% 0%, #000 10%, transparent 70%);
  mask-image: radial-gradient(120% 120% at 0% 0%, #000 10%, transparent 70%);
  opacity: 0.55;
}

/* Printed panel: double rule, no drop shadow. */
.panel {
  background: var(--paper);
  border: var(--rule-w) solid var(--rule);
  outline: 1px solid var(--rule);
  outline-offset: -6px;
  border-radius: var(--radius);
  padding: 16px 18px;
}

/* Stamped chip for demo queries and group-by switches. */
.chip {
  appearance: none;
  display: inline-flex; align-items: center; gap: 0.4em;
  min-height: 36px;
  padding: 0.35em 0.9em;
  border: var(--rule-w) solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font: 700 14px/1.1 var(--font-body);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease-snap), background var(--t-fast), color var(--t-fast);
}
.chip:hover { transform: translateY(-1px) rotate(-1deg); }
.chip:active { transform: translateY(1px) scale(0.97); }
.chip[aria-pressed="true"], .chip.on {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 2px 2px 0 var(--misreg);
}

/* Hanko button: a square vermilion seal. */
.hanko {
  appearance: none;
  display: inline-grid; place-items: center;
  min-width: 44px; min-height: 44px;
  padding: 0.4em 0.8em;
  border: 0;
  border-radius: 6px;
  background: var(--ink-vermilion);
  color: var(--ink-paper);
  font: 400 15px/1 var(--font-display);
  letter-spacing: 0.06em;
  box-shadow: inset 0 0 0 2px var(--ink-vermilion), inset 0 0 0 4px var(--ink-paper);
  cursor: pointer;
  transform: rotate(-2deg);
  transition: transform var(--t-fast) var(--ease-snap);
}
.hanko:hover { transform: rotate(0deg) scale(1.03); }
.hanko:active { transform: rotate(-3deg) scale(0.95); }

/* Search field: a ruled line on paper. */
.search-field {
  width: 100%;
  min-height: 44px;
  padding: 0.5em 0.2em;
  border: 0;
  border-bottom: 3px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: 500 18px/1.2 var(--font-body);
  outline: none;
}
.search-field::placeholder { color: var(--ink-soft); opacity: 0.8; }
.search-field:focus { border-bottom-color: var(--accent); }

/* Match honesty: matches at full ink, the rest recede. */
.is-dim { opacity: var(--dim); filter: saturate(0.4); transition: opacity var(--t-med) var(--ease-out), filter var(--t-med); }
.is-match { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 1ms !important; animation-duration: 1ms !important; }
}
