html {
  color-scheme: dark;
  background: #141414;
}

body {
  margin: 0;
  background: #141414;
  color: #f2f2f2;
  font: 16px/1.4 ui-sans-serif, system-ui, sans-serif;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  padding: 20px 16px 4px;
}

.mark {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
}

#tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

#tabs button,
.grid button,
dialog button {
  font: inherit;
  cursor: pointer;
}

#tabs button {
  appearance: none;
  margin: 0;
  padding: 8px 2px 6px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: #8a8a8a;
}

#tabs button[aria-selected="true"] {
  color: #f5f5f5;
  border-bottom-color: #f5f5f5;
}

#tabs button:focus-visible,
.grid button:focus-visible,
dialog button:focus-visible {
  outline: 2px solid #f2f2f2;
  outline-offset: 3px;
}

main {
  padding: 12px 16px 40px;
}

.status {
  margin: 16px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}

@media (max-width: 699px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.grid button {
  appearance: none;
  display: flex;
  flex-direction: column;
  width: 100%;
  margin: 0;
  padding: 0 0 8px;
  border: 0;
  background: transparent;
  color: inherit;
}

.frame {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  background: #1c1c1c;
}

.grid img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.taken {
  margin: 6px 4px 0;
  color: #c8c8c8;
  font-size: 13px;
  line-height: 1.3;
  text-align: center;
}

dialog {
  margin: auto;
  padding: 12px;
  border: 0;
  background: #141414;
  color: #f2f2f2;
  max-width: 100vw;
  max-height: 100vh;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.72);
}

dialog img {
  display: block;
  max-width: 92vw;
  max-height: calc(100vh - 132px);
  margin: 0 auto;
  object-fit: contain;
  background: #1c1c1c;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

dialog button {
  appearance: none;
  margin: 0;
  padding: 8px 14px;
  border: 1px solid #3a3a3a;
  background: #1c1c1c;
  color: #f2f2f2;
}