:root {
  color-scheme: light dark;
  --bg: #f4f4f5;
  --fg: #18181b;
  --card: #fff;
  --border: #d4d4d8;
  --accent: #2563eb;
  --muted: #71717a;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #18181b;
    --fg: #fafafa;
    --card: #27272a;
    --border: #3f3f46;
    --accent: #60a5fa;
    --muted: #a1a1aa;
    --danger-bg: #2a1515;
    --danger-border: #7f1d1d;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.header {
  padding: 1.25rem 1.5rem 0.5rem;
}

.header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 650;
}

.sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 52rem;
}

.controls {
  padding: 0.75rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: flex-end;
}

.filters label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.controls select,
.controls input[type="number"] {
  min-width: 7rem;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--fg);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  padding: 1.25rem 1.5rem 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: default;
  transition: box-shadow 0.12s ease, border-color 0.12s ease;
}

.card:hover,
.card:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}

.card-thumb {
  cursor: zoom-in;
}

.card-thumb:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.card img {
  display: block;
  width: 100%;
  height: 140px;
  object-fit: contain;
  background: color-mix(in srgb, var(--bg) 88%, var(--fg));
  padding: 0.5rem;
}

.meta {
  padding: 0.5rem 0.65rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.75rem;
}

.dims {
  font-weight: 600;
  color: var(--accent);
}

.fname {
  word-break: break-all;
  color: var(--muted);
}

.copy-filename-btn {
  margin-top: 0.35rem;
  align-self: flex-start;
  padding: 0.3rem 0.5rem;
  font-size: 0.68rem;
  font-family: inherit;
  line-height: 1.25;
  color: var(--fg);
  background: color-mix(in srgb, var(--bg) 70%, var(--border));
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.copy-filename-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.copy-filename-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-scrim {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: none;
  background: rgba(0, 0, 0, 0.78);
  cursor: pointer;
}

.lightbox-dialog {
  position: relative;
  z-index: 1;
  max-width: min(96vw, 56rem);
  max-height: min(92vh, 900px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  pointer-events: none;
}

.lightbox-dialog > * {
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: 8px;
  background: var(--card);
  color: var(--fg);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.lightbox-close:hover {
  background: var(--border);
}

.lightbox-img-wrap {
  width: 100%;
  max-height: min(78vh, 760px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--bg) 92%, var(--fg));
  border-radius: 10px;
  padding: 0.75rem;
  border: 1px solid var(--border);
}

.lightbox-img {
  display: block;
  max-width: 100%;
  max-height: min(74vh, 720px);
  width: auto;
  height: auto;
  object-fit: contain;
}

.lightbox-caption {
  margin: 0;
  font-size: 0.82rem;
  text-align: center;
  word-break: break-all;
  color: #fafafa;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  max-width: 100%;
}

.ignored-section {
  margin: 0 1.5rem 2.5rem;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--danger-border);
  background: var(--danger-bg);
}

.ignored-section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--border);
}

.hint {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.hint code {
  font-size: 0.8em;
}

.ignored-empty {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.ignored-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.88rem;
}

.ignored-list li {
  margin-bottom: 0.25rem;
}

.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.55rem 1rem;
  border-radius: 8px;
  background: var(--fg);
  color: var(--bg);
  font-size: 0.88rem;
  max-width: min(90vw, 28rem);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 50;
}

.error {
  grid-column: 1 / -1;
  color: #b91c1c;
}