:root {
  color-scheme: dark;
  --paper: #13231f;
  --paper-deep: #091512;
  --panel: #1b302a;
  --panel-raised: #223d35;
  --ink: #f4f0dc;
  --muted: #a8beb3;
  --line: #426357;
  --accent: #f2c14e;
  --accent-ink: #2b2108;
  --leaf: #7fc694;
  --shadow: rgba(0, 0, 0, 0.35);
}

:root[data-mode='light'] {
  color-scheme: light;
  --paper: #f0ead7;
  --paper-deep: #ddd4ba;
  --panel: #fbf7e8;
  --panel-raised: #fffdf5;
  --ink: #23352f;
  --muted: #5f746b;
  --line: #adbea8;
  --accent: #c96d3b;
  --accent-ink: #fffaf0;
  --leaf: #2d7853;
  --shadow: rgba(47, 58, 48, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper-deep);
}

body {
  margin: 0;
  min-width: 280px;
  color: var(--ink);
  background:
    linear-gradient(
        135deg,
        transparent 0 47%,
        color-mix(in srgb, var(--line) 25%, transparent) 48% 52%,
        transparent 53%
      )
      0 0 / 28px 28px,
    var(--paper);
  font-family: Verdana, 'Apple SD Gothic Neo', sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

button,
input,
select,
a {
  outline-offset: 4px;
}

:focus-visible {
  outline: 3px solid var(--accent);
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--accent-ink);
  background: var(--accent);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: none;
}

.masthead,
main,
footer {
  width: min(1440px, calc(100% - 40px));
  margin-inline: auto;
}

.masthead {
  position: relative;
  min-height: 390px;
  padding: 46px 0 50px;
  border-bottom: 1px solid var(--line);
}

.masthead::after {
  content: '四季';
  position: absolute;
  right: 2vw;
  bottom: -24px;
  color: color-mix(in srgb, var(--accent) 32%, transparent);
  font:
    700 clamp(88px, 18vw, 230px) / 0.8 Georgia,
    serif;
  letter-spacing: -0.12em;
  pointer-events: none;
}

.back-link,
.kicker,
.eyebrow,
.result-line,
footer {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.back-link {
  display: inline-block;
  margin-bottom: 58px;
  color: var(--muted);
}

.kicker {
  color: var(--accent);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font:
    700 clamp(3.6rem, 8vw, 8.6rem) / 0.78 Georgia,
    'Times New Roman',
    serif;
  letter-spacing: -0.075em;
}

.lede {
  max-width: 650px;
  color: var(--muted);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(1rem, 2vw, 1.35rem);
}

.totals {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 36px 0 0;
}

.totals div {
  min-width: 130px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
}

.totals dt {
  color: var(--muted);
  font-size: 0.7rem;
}

.totals dd {
  margin: 0;
  font:
    700 1.8rem / 1 Georgia,
    serif;
}

main {
  padding: 28px 0 72px;
}

.catalog-controls {
  position: sticky;
  z-index: 5;
  top: 0;
  display: grid;
  grid-template-columns: minmax(190px, 1.5fr) repeat(4, minmax(120px, 0.75fr)) auto;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  box-shadow: 0 14px 38px var(--shadow);
  backdrop-filter: blur(16px);
}

.control label,
.mode-switch legend {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

input,
select,
.mode-switch button,
#clear-filters {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: var(--panel-raised);
}

input,
select {
  width: 100%;
  padding: 8px 10px;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-width: 150px;
  margin: 0;
  padding: 0;
  border: 0;
}

.mode-switch legend {
  grid-column: 1 / -1;
}

.mode-switch button[aria-pressed='true'] {
  color: var(--accent-ink);
  border-color: var(--accent);
  background: var(--accent);
}

.result-line {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 2px 10px;
  color: var(--muted);
}

.result-line p {
  margin: 0;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(235px, 1fr));
  gap: 14px;
}

.catalog-card {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 5px 5px 0 color-mix(in srgb, var(--line) 55%, transparent);
}

.catalog-card[hidden] {
  display: none;
}

.art-frame {
  height: 190px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(
      circle at 50% 76%,
      color-mix(in srgb, var(--leaf) 20%, transparent),
      transparent 48%
    ),
    linear-gradient(155deg, var(--panel-raised), var(--panel));
}

.catalog-art {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

:root[data-art-style='pixel'] .catalog-art {
  shape-rendering: crispEdges;
}

.card-copy {
  padding: 16px 17px 18px;
}

.eyebrow {
  margin-bottom: 6px;
  color: var(--leaf);
}

.card-copy h2 {
  margin-bottom: 2px;
  font:
    700 1.35rem / 1.1 Georgia,
    'Times New Roman',
    serif;
}

.card-copy code {
  color: var(--accent);
  font-size: 0.72rem;
}

.card-copy p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 0.9rem;
}

.empty-state {
  padding: 80px 24px;
  border: 1px dashed var(--line);
  text-align: center;
  background: var(--panel);
}

.empty-state[hidden] {
  display: none;
}

.empty-state h2 {
  font:
    700 2rem Georgia,
    serif;
}

.empty-state p:not(.empty-mark) {
  max-width: 500px;
  margin-inline: auto;
  color: var(--muted);
}

.empty-mark {
  margin-bottom: 8px;
  color: var(--accent);
  font:
    700 4rem Georgia,
    serif;
}

#clear-filters {
  padding: 8px 18px;
  color: var(--accent-ink);
  border-color: var(--accent);
  background: var(--accent);
  cursor: pointer;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 48px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 1100px) {
  .catalog-controls {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .catalog-controls {
    grid-template-columns: 1fr 1fr;
  }

  .control:first-child,
  .mode-switch {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .masthead,
  main,
  footer {
    width: min(100% - 24px, 1440px);
  }

  .masthead {
    min-height: 0;
    padding-top: 24px;
  }

  .back-link {
    margin-bottom: 38px;
  }

  h1 {
    font-size: clamp(3.3rem, 19vw, 5rem);
  }

  .masthead::after {
    display: none;
  }

  .catalog-controls {
    grid-template-columns: 1fr;
  }

  .control:first-child,
  .mode-switch {
    grid-column: auto;
  }

  .result-line,
  footer {
    display: block;
  }

  .result-line p + p {
    margin-top: 5px;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  footer a {
    display: inline-block;
    margin-top: 8px;
  }
}