:root {
  color-scheme: dark;
  --bg: #0d1015;
  --panel: #171b22;
  --panel-2: #202632;
  --text: #f2f4f7;
  --muted: #a2aab5;
  --line: #2a3240;
  --accent: #58a6ff;
  --accent-2: #6ee7b7;
  --bad: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% -10%, rgb(88 166 255 / 0.16), transparent 34%),
    radial-gradient(circle at 90% 0%, rgb(110 231 183 / 0.10), transparent 28%),
    var(--bg);
  color: var(--text);
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  padding: 14px 18px;
  background: color-mix(in srgb, #111722 88%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.selection-bar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.selection-bar span {
  margin-right: auto;
  color: var(--muted);
  font-weight: 650;
}

h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
}

.summary {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.summary-error {
  color: var(--bad);
}

.controls,
.viewer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

input,
select {
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0c1118;
  color: var(--text);
  padding: 0 10px;
  min-width: 230px;
  outline: none;
}

input:focus {
  border-color: var(--accent);
}

select {
  min-width: 145px;
}

button {
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  padding: 0 12px;
  cursor: pointer;
}

button.active {
  border-color: var(--accent);
  color: white;
}

button:hover {
  border-color: var(--accent);
  background: #263244;
}

main {
  padding: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}

.tile {
  position: relative;
  min-width: 0;
  border: 1px solid color-mix(in srgb, var(--line) 90%, white 10%);
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(180deg, #1a202a, #141922);
  cursor: pointer;
  box-shadow: 0 10px 28px rgb(0 0 0 / 0.24);
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.tile:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  box-shadow: 0 16px 36px rgb(0 0 0 / 0.32);
}

.tile.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 46%, transparent), 0 16px 36px rgb(0 0 0 / 0.34);
}

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

.select-button {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 30px;
  min-width: 0;
  height: 30px;
  padding: 0;
  flex: none;
  margin: 0;
  border: 1px solid rgb(255 255 255 / 0.55);
  border-radius: 999px;
  background: rgb(9 12 17 / 0.62);
  box-shadow: 0 4px 16px rgb(0 0 0 / 0.35);
  backdrop-filter: blur(10px);
  cursor: pointer;
}

.select-button:hover {
  border-color: white;
  background: rgb(35 43 56 / 0.72);
}

.select-button[aria-checked="true"] {
  border-color: var(--accent);
  background: var(--accent);
}

.select-button[aria-checked="true"]::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 5px;
  width: 8px;
  height: 14px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.select-button:focus-visible {
  outline: 2px solid white;
  outline-offset: 2px;
}

.thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  background: #0b0d10;
  color: var(--muted);
  overflow: hidden;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.thumb[data-status="queued"] .spinner {
  animation-duration: 1300ms;
  border-top-color: var(--muted);
}

.thumb .kind {
  display: grid;
  gap: 6px;
  text-align: center;
  padding: 12px;
}

.kind b {
  color: var(--text);
  font-size: 15px;
}

.meta {
  padding: 12px 14px 14px;
  display: grid;
  gap: 5px;
}

.name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 650;
  font-size: 15px;
}

.sub {
  color: var(--muted);
  font-size: 12.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty,
.error {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px;
  background: var(--panel);
  color: var(--muted);
}

.error {
  color: var(--bad);
}

dialog {
  width: min(1100px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  padding: 0;
}

dialog::backdrop {
  background: rgb(0 0 0 / 0.75);
}

.viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.viewer-body {
  display: grid;
  place-items: center;
  min-height: 260px;
  background: #090b0d;
}

.loader {
  display: grid;
  place-items: center;
  gap: 12px;
  color: var(--muted);
}

.spinner {
  width: 34px;
  height: 34px;
  border: 3px solid rgb(255 255 255 / 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 850ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.viewer-body img,
.viewer-body video {
  max-width: 100%;
  max-height: calc(100vh - 170px);
}

.viewer-foot {
  padding: 12px 14px;
  color: var(--muted);
  display: grid;
  gap: 4px;
  font-size: 12px;
}

@media (max-width: 760px) {
  header {
    grid-template-columns: 1fr;
  }

  .controls {
    justify-content: stretch;
  }

  input {
    min-width: 0;
    width: 100%;
  }

  select {
    width: 100%;
  }

  button {
    flex: 1;
  }

  main {
    padding: 12px;
  }

  .grid {
    grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  }

  .select-button {
    width: 30px;
    min-width: 0;
  }
}