/* Gallery — Saturn, search-first.
   Warm bone paper, near-black ink, one signal-red accent.
   Fraunces variable serif for prose, IBM Plex Mono for data + UI labels. */

@import url('styles/base/reset.css');
@import url('styles/base/tokens.css');
@import url('styles/base/typography.css');
@import url('styles/base/accessibility.css');

/* ── Saturn tokens ── */
:root {
  --paper:        #F4F1EA;
  --paper-raise:  #EFEBE1;
  --ink:          #161616;
  --ink-soft:     #3F3F3F;
  --muted:        #6B6863;
  --hot:          #CE3526;
  --hot-wash:     rgba(206, 53, 38, 0.08);
  --rule:         rgba(22, 22, 22, 0.14);
  --rule-strong:  rgba(22, 22, 22, 0.32);

  --step:         8px;
  --radius:       3px;
  --measure:      62ch;

  --font-display: "Fraunces", Charter, "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-mono:    "IBM Plex Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, monospace;

  --size-eyebrow: 0.72rem;
  --size-small:   0.86rem;
  --size-body:    1rem;
  --size-lede:    1.18rem;
  --size-h1:      clamp(1.7rem, 4vw + 0.8rem, 3.8rem);

  /* Legacy --g-* aliases mapped onto Saturn so any unmigrated rule still works. */
  --g-bg:           var(--paper);
  --g-surface:      var(--paper-raise);
  --g-text:         var(--ink);
  --g-text-mid:     var(--ink-soft);
  --g-text-light:   var(--muted);
  --g-border:       var(--rule-strong);
  --g-border-light: var(--rule);
  --g-accent:       var(--ink);
  --g-radius:       var(--radius);
  --g-gap:          calc(var(--step) * 3);
  --g-font-ui:      var(--font-mono);
  --g-font-display: var(--font-display);
}

/* ── Base ── */
html {
  background: var(--paper);
  color-scheme: light;
}

body {
  font-family: var(--font-display);
  font-feature-settings: "ss01" on, "onum" on, "kern" on;
  font-variant-numeric: oldstyle-nums proportional-nums;
  font-optical-sizing: auto;
  background: var(--paper);
  color: var(--ink);
  font-size: var(--size-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--ink);
  color: var(--paper);
  padding: calc(var(--step) * 1) calc(var(--step) * 2);
  text-decoration: none;
  z-index: 200;
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
}

.skip-link:focus { top: calc(var(--step) * 0.25); }

/* ── Container ── */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: calc(var(--step) * 2) calc(var(--step) * 2);
}

@media (min-width: 48em) {
  .container { padding: calc(var(--step) * 5) calc(var(--step) * 3); }
}
@media (min-width: 64em) {
  .container { padding: calc(var(--step) * 6) calc(var(--step) * 4); }
}

/* ── Header (compact on mobile, full bleed at md+) ── */
.gallery-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: calc(var(--step) * 1) calc(var(--step) * 2);
  padding-bottom: calc(var(--step) * 1.5);
  border-bottom: 1px solid var(--rule);
  margin-bottom: calc(var(--step) * 2);
}

.gallery-header > div { display: contents; }

@media (min-width: 48em) {
  .gallery-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: calc(var(--step) * 4);
    padding-bottom: calc(var(--step) * 5);
    margin-bottom: calc(var(--step) * 5);
  }
  .gallery-header > div { display: block; }
}

.gallery-header h1 {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 60, "WONK" 0;
  font-size: var(--size-h1);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0;
}

@media (min-width: 48em) {
  .gallery-header h1 { margin: 0 0 calc(var(--step) * 1.5); }
}

.gallery-header h1 em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 100, "WONK" 1;
  color: var(--hot);
}

/* Tagline is decorative — drop it on phones, show at md+. */
.gallery-header p {
  font-family: var(--font-display);
  font-size: var(--size-lede);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: var(--measure);
  margin: 0;
  display: none;
}

@media (min-width: 48em) {
  .gallery-header p { display: block; }
}

.gallery-header-links {
  display: flex;
  gap: calc(var(--step) * 1.5) calc(var(--step) * 2);
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex-wrap: wrap;
  margin-left: auto;
}

@media (min-width: 48em) {
  .gallery-header-links {
    gap: calc(var(--step) * 3);
    letter-spacing: 0.12em;
  }
}

.gallery-header-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 120ms ease-out;
}

.gallery-header-links a:hover { color: var(--hot); }

/* ── Filters: search + topic chips (scrolls with content, not sticky) ── */
.filters {
  background: var(--paper);
  margin-bottom: calc(var(--step) * 2);
  padding: calc(var(--step) * 1) 0;
}

@media (min-width: 48em) {
  .filters {
    margin-bottom: calc(var(--step) * 4);
    padding: calc(var(--step) * 1.5) 0;
  }
}
.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: calc(var(--step) * 2);
}

.search-wrap {
  position: relative;
  min-width: 0;
}

.search-wrap input {
  width: 100%;
  padding: calc(var(--step) * 1.5) calc(var(--step) * 5) calc(var(--step) * 1.5) calc(var(--step) * 4.5);
  font-family: var(--font-mono);
  font-size: var(--size-small);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 120ms ease-out;
}

.search-wrap input::placeholder {
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}

.search-wrap input:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: -1px;
  border-color: var(--hot);
}

.search-icon {
  position: absolute;
  left: calc(var(--step) * 1.75);
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--muted);
  pointer-events: none;
}

/* "/" hint glyph — hidden on touch where there's no shortcut. */
.search-shortcut {
  position: absolute;
  right: calc(var(--step) * 1.5);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  color: var(--muted);
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 2px 6px;
  letter-spacing: 0;
  pointer-events: none;
}

@media (pointer: coarse) {
  .search-shortcut { display: none; }
  .search-wrap input { padding-right: calc(var(--step) * 1.5); }
}

.search-wrap input:focus-visible ~ .search-shortcut,
.search-wrap input:not(:placeholder-shown) ~ .search-shortcut {
  opacity: 0;
}

.result-count {
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums lining-nums;
  white-space: nowrap;
}

/* Topic chip rail */
.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--step) * 1);
  margin-top: calc(var(--step) * 1.5);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--step) * 0.75);
  padding: calc(var(--step) * 0.875) calc(var(--step) * 1.5);
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: color 120ms ease-out, background 120ms ease-out, border-color 120ms ease-out, opacity 120ms ease-out;
  min-height: 36px;
  white-space: nowrap;
}

.chip:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.chip[aria-pressed="true"] {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.chip[aria-pressed="true"]:hover {
  background: var(--hot);
  border-color: var(--hot);
}

/* When a topic has 0 matches under the current search, dim it. */
.chip[data-empty]:not([aria-pressed="true"]) {
  opacity: 0.45;
}

.chip:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 2px;
}

.chip-count {
  font-variant-numeric: tabular-nums;
  font-size: 0.68rem;
  opacity: 0.7;
  letter-spacing: 0;
}

.chip[aria-pressed="true"] .chip-count { opacity: 0.9; }

/* "Surprise me" looks like a chip but reads as an action. */
.chip-action {
  color: var(--muted);
  border-style: dashed;
  border-color: var(--rule-strong);
  margin-left: auto;
}

.chip-action:hover {
  color: var(--hot);
  border-color: var(--hot);
  background: var(--paper);
}

.chip-arrow {
  font-size: 0.85em;
  letter-spacing: 0;
}

/* Touch-target bump for fingers. */
@media (pointer: coarse) {
  .chip { min-height: 44px; padding: calc(var(--step) * 1.25) calc(var(--step) * 1.75); }
  .search-wrap input { min-height: 44px; }
}

/* ── Live region (sr-only) ── */
.sr-announce,
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  margin: -1px;
  padding: 0;
  border: 0;
}

/* ── Card ── */
.card {
  position: relative;
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: calc(var(--step) * 1.5);
  display: flex;
  flex-direction: column;
  gap: calc(var(--step) * 1);
  transition: border-color 120ms ease-out, background 120ms ease-out;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: calc(var(--step) * 2);
}

.card:hover { border-color: var(--rule-strong); }

.card:focus-within {
  border-left: 3px solid var(--hot);
  padding-left: calc(var(--step) * 1.5 - 2px);
}

.card-thumb {
  position: relative;
  background: var(--paper);
  border-radius: 2px;
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.card-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: calc(var(--step) * 0.5) 0 0;
}

.card-title {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 36, "wght" 500, "SOFT" 50;
  font-size: 1rem;
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--ink);
}

.card-link {
  color: inherit;
  text-decoration: none;
  text-decoration-color: transparent;
  transition: color 120ms ease-out, text-decoration-color 120ms ease-out;
}

.card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: var(--radius);
}

.card-link:hover {
  color: var(--hot);
  text-decoration: underline;
  text-decoration-color: var(--hot);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.card-link:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 3px;
  border-radius: 2px;
}

.card-meta {
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.04em;
  color: var(--muted);
  font-variant-numeric: tabular-nums lining-nums;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 calc(var(--step) * 0.75);
}

.card-meta dt { display: none; }
.card-meta dd { margin: 0; }
.card-meta dd:not(:last-child)::after {
  content: " ·";
  margin-left: calc(var(--step) * 0.25);
  color: var(--rule-strong);
}

.card-source {
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0;
  position: relative;
  z-index: 2;
}

.card-source a {
  position: relative;
  z-index: 2;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-underline-offset: 3px;
  transition: color 120ms ease-out, text-decoration-color 120ms ease-out;
}

.card-source a:hover {
  color: var(--hot);
  text-decoration-color: var(--hot);
}

.card-actions {
  display: flex;
  justify-content: flex-end;
  gap: calc(var(--step) * 1.5);
  margin: calc(var(--step) * 0.5) 0 0;
  padding-top: calc(var(--step) * 1);
  border-top: 1px solid var(--rule);
}

.card-raw {
  position: relative;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dotted var(--rule-strong);
  padding: calc(var(--step) * 0.25) 0;
  transition: color 120ms ease-out, border-color 120ms ease-out;
}

.card-raw:hover {
  color: var(--hot);
  border-bottom-color: var(--hot);
  border-bottom-style: solid;
}

.card-raw:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 3px;
}

.new-badge {
  position: absolute;
  top: calc(var(--step) * 1);
  left: calc(var(--step) * 1);
  padding: 2px calc(var(--step) * 0.75);
  background: var(--hot);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  z-index: 2;
  pointer-events: none;
}

.card[hidden],
.masonry-item[hidden] { display: none; }

/* ── Layout: masonry only ── */
.gallery-grid {
  columns: 1;
  column-gap: calc(var(--step) * 2);
}

@media (min-width: 30em) { .gallery-grid { columns: 2; } }
@media (min-width: 48em) { .gallery-grid { columns: 3; column-gap: calc(var(--step) * 2.5); } }
@media (min-width: 64em) { .gallery-grid { columns: 4; column-gap: calc(var(--step) * 3); } }
@media (min-width: 80em) { .gallery-grid { columns: 5; } }

/* ── No results ── */
.no-results {
  text-align: center;
  padding: calc(var(--step) * 8) calc(var(--step) * 2);
  font-family: var(--font-display);
  font-size: var(--size-lede);
  color: var(--muted);
  border: 1px dashed var(--rule-strong);
  border-radius: var(--radius);
  margin: calc(var(--step) * 4) 0;
  display: none;
}

.no-results.visible { display: block; }

/* ── Footer ── */
.gallery-footer {
  margin-top: calc(var(--step) * 8);
  padding-top: calc(var(--step) * 3);
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: calc(var(--step) * 2);
  color: var(--muted);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: calc(var(--step) * 1.5);
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gallery-footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 120ms ease-out;
}
.gallery-footer a:hover { color: var(--hot); }

.footer-links {
  display: flex;
  gap: calc(var(--step) * 3);
  flex-wrap: wrap;
}

.footer-notice {
  font-family: var(--font-display);
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 70ch;
  margin: 0;
}

.footer-notice a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-underline-offset: 2px;
}

.footer-notice a:hover {
  color: var(--hot);
  text-decoration-color: var(--hot);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ── Forced colors (Windows High Contrast) ── */
@media (forced-colors: active) {
  .chip[aria-pressed="true"] {
    background: ButtonText;
    color: ButtonFace;
    border-color: ButtonText;
  }
  .card { border: 1px solid CanvasText; }
  .card-thumb img { border: 1px solid CanvasText; }
  .card-link::after { outline: 1px solid transparent; }
}

/* ── Focus ── */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--hot);
  outline-offset: 3px;
}

/* ── Print ── */
@media print {
  .filters, .skip-link, .gallery-footer, .card-actions { display: none; }
  .gallery-grid { columns: 3; }
  .card { break-inside: avoid; border: 1px solid #ccc; background: #fff; }
}