:root {
  --bg-canvas: #f6f4ef;
  --bg-surface: #ffffff;
  --bg-subtle: #ece8de;
  --ink-primary: #1c241f;
  --ink-muted: #526056;
  --accent-forest: #1d4332;
  --accent-forest-hover: #143023;
  --accent-tint: #e4ede7;
  --warn-bg: #fbf3df;
  --warn-ink: #724b10;
  --ok-bg: #e4ede7;
  --ok-ink: #1d4332;
  --border-hairline: #dcd7ca;
  --radius-card: 10px;
  --radius-pill: 999px;
  view-transition-name: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
}

img {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

.container {
  inline-size: min(1160px, 100% - 2rem);
  margin-inline: auto;
}

/* Header */
.site-header {
  background-color: var(--bg-surface);
  border-block-end: 1px solid var(--border-hairline);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-forest);
  letter-spacing: -0.01em;
}

.brand-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

/* Buttons & Pills */
.btn {
  appearance: none;
  border: 1px solid var(--border-hairline);
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--ink-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
}

.btn-primary {
  background-color: var(--accent-forest);
  border-color: var(--accent-forest);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--accent-forest-hover);
}

.btn-icon {
  appearance: none;
  border: 1px solid var(--border-hairline);
  background: var(--bg-surface);
  color: var(--ink-primary);
  inline-size: 2.2rem;
  block-size: 2.2rem;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.btn-icon:hover {
  background-color: var(--bg-subtle);
}

.btn:focus-visible,
.btn-icon:focus-visible,
.pill:focus-visible,
.media-trigger:focus-visible {
  outline: 2px solid var(--accent-forest);
  outline-offset: 2px;
}

/* Main */
.main-content {
  padding-block: 1.75rem 3.5rem;
  display: grid;
  gap: 1.5rem;
}

.intro-banner {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-block-start: 4px solid var(--accent-forest);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: safe center;
  gap: 1.25rem;
}

.intro-copy {
  flex: 1 1 380px;
  min-inline-size: 0;
}

.intro-copy h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

.intro-copy p {
  margin: 0;
  max-inline-size: 68ch;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.summary-stats {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stat-box {
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 0.6rem 0.95rem;
  min-inline-size: 130px;
}

.stat-box dt {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.stat-box dd {
  margin: 0.15rem 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-forest);
}

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: safe center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  padding: 0.9rem 1.25rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  gap: 0.6rem;
}

.filter-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  flex-wrap: balance;
  gap: 0.4rem;
}

.pill {
  appearance: none;
  border: 1px solid var(--border-hairline);
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.85rem;
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.pill:hover {
  background-color: var(--bg-subtle);
}

.pill.is-active {
  background-color: var(--accent-forest);
  border-color: var(--accent-forest);
  color: #ffffff;
  font-weight: 600;
}

/* Gallery Grid + Subgrid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(275px, 1fr));
  gap: 1.25rem;
}

.gallery-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-card);
  overflow: clip;
  display: grid;
  grid-row: span 3;
  grid-template-rows: auto 1fr auto;
  grid-template-rows: subgrid;
  view-transition-class: gallery-card;
}

.media-trigger {
  display: block;
  position: relative;
  background-color: #f9f6ee;
  border-block-end: 1px solid var(--border-hairline);
  aspect-ratio: 4 / 3;
  overflow: clip;
  text-decoration: none;
}

.media-trigger img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: contain;
  padding: 0.5rem;
  transition: transform 0.25s ease;
}

.media-trigger:hover img {
  transform: scale(1.02);
}

.media-trigger.is-pixel img {
  image-rendering: pixelated;
}

.zoom-hint {
  position: absolute;
  inset-block-end: 0.55rem;
  inset-inline-end: 0.55rem;
  background-color: rgba(28, 36, 31, 0.78);
  color: #ffffff;
  font-size: 0.74rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.card-body {
  padding: 0.95rem 1rem 0.65rem;
  display: grid;
  align-content: start;
  gap: 0.5rem;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.badge {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.14rem 0.5rem;
  border-radius: 4px;
  background-color: var(--bg-subtle);
  color: var(--ink-primary);
}

.badge-status-ok {
  background-color: var(--ok-bg);
  color: var(--ok-ink);
}

.badge-status-warn {
  background-color: var(--warn-bg);
  color: var(--warn-ink);
}

.card-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
}

.card-summary {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.card-footer {
  padding: 0.65rem 1rem 0.95rem;
  border-block-start: 1px solid #f0ede4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-dims {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-hairline);
  border-radius: var(--radius-card);
  color: var(--ink-muted);
}

/* Native Dialogs */
dialog {
  margin: auto;
  padding: 0;
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  background-color: var(--bg-surface);
  color: var(--ink-primary);
  inline-size: min(920px, 100% - 2rem);
  max-block-size: min(88dvb, 860px);
  box-shadow: 0 20px 50px rgba(20, 28, 22, 0.22);
}

dialog[open] {
  display: grid;
}

dialog:modal {
  overscroll-behavior: contain;
}

dialog::backdrop {
  overflow: hidden;
  overscroll-behavior: contain;
  background-color: rgba(20, 28, 22, 0.55);
  backdrop-filter: blur(2px);
}

.dialog-shell {
  display: grid;
  grid-template-rows: auto 1fr;
  max-block-size: min(88dvb, 860px);
}

.dialog-shell-narrow {
  max-inline-size: 100%;
}

.dialog-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-block-end: 1px solid var(--border-hairline);
}

.dialog-style {
  margin: 0 0 0.2rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-forest);
}

.dialog-header h2 {
  margin: 0;
  font-size: 1.15rem;
}

.dialog-body {
  overflow-y: auto;
  scrollbar-gutter: stable;
  padding: 1.25rem;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(280px, 1fr);
  gap: 1.25rem;
}

@media (max-width: 740px) {
  .dialog-body {
    grid-template-columns: 1fr;
  }
}

.dialog-figure {
  margin: 0;
  display: grid;
  align-content: start;
  gap: 0.75rem;
}

.dialog-media-frame {
  background-color: #f9f6ee;
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
  padding: 0.65rem;
  overflow: auto;
  max-block-size: 460px;
}

.dialog-media-frame img {
  inline-size: 100%;
  block-size: auto;
  border-radius: 4px;
}

.dialog-media-frame.is-crisp img {
  image-rendering: pixelated;
}

.dialog-media-frame.is-zoom-2x img {
  inline-size: 200%;
  max-inline-size: none;
}

.dialog-media-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.82rem;
}

.toggle-control {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.zoom-controls {
  display: flex;
  gap: 0.35rem;
}

.dialog-meta {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.meta-block h3 {
  margin: 0 0 0.45rem;
  font-size: 0.88rem;
  color: var(--accent-forest);
}

.meta-dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.9rem;
  font-size: 0.84rem;
}

.meta-dl dt {
  color: var(--ink-muted);
  font-weight: 600;
}

.meta-dl dd {
  margin: 0;
}

.audit-list {
  margin: 0;
  padding-inline-start: 1.15rem;
  font-size: 0.84rem;
  display: grid;
  gap: 0.35rem;
}

.prompt-box {
  margin: 0;
  padding: 0.75rem;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: 6px;
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.77rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  max-block-size: 180px;
  overflow-y: auto;
}

/* Library comparison dialog */
.lib-content {
  overflow-y: auto;
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
}

.lib-lead {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-hairline);
  border-radius: 8px;
}

.lib-table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: start;
}

.lib-table th,
.lib-table td {
  padding: 0.65rem 0.8rem;
  border-block-end: 1px solid var(--border-hairline);
  vertical-align: top;
}

.lib-table thead th {
  background-color: var(--bg-subtle);
  font-weight: 700;
}

.lib-table tbody tr:last-child td {
  border-block-end: none;
}

.tag-adopted {
  display: inline-block;
  margin-block-start: 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  background-color: var(--ok-bg);
  color: var(--ok-ink);
}

/* PhotoSwipe custom caption */
.pswp__custom-caption {
  background: rgba(20, 28, 22, 0.88);
  color: #f6f4ef;
  font-size: 0.85rem;
  line-height: 1.45;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  position: absolute;
  inset-block-end: 1rem;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  max-inline-size: min(680px, calc(100% - 2rem));
  text-align: center;
  pointer-events: none;
}

/* View Transitions */
::view-transition {
  pointer-events: none;
}

::view-transition-group(.gallery-card) {
  animation-duration: 0.28s;
  animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
}

::view-transition-new(.gallery-card):only-child {
  animation: card-enter 0.28s ease-out;
}

::view-transition-old(.gallery-card):only-child {
  animation: card-exit 0.2s ease-in;
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
}

@keyframes card-exit {
  to {
    opacity: 0;
    transform: scale(0.96);
  }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }

  .media-trigger img {
    transition: none;
  }
}