:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #111);
  --fg: var(--tg-theme-text-color, #fff);
  --hint: var(--tg-theme-hint-color, #888);
  --btn: var(--tg-theme-button-color, #2aabee);
  --btn-fg: var(--tg-theme-button-text-color, #fff);
  --danger: #e53935;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 2;
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 12%, transparent);
}
.bar h1 { font-size: 1.1rem; margin: 0; font-weight: 600; }
.danger {
  border: 0;
  border-radius: 10px;
  padding: 8px 14px;
  background: var(--danger);
  color: #fff;
  font-weight: 600;
}
.danger:disabled { opacity: 0.4; }
.status {
  margin: 8px 16px;
  color: var(--hint);
  font-size: 0.9rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px 4px 24px;
}
.card {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: color-mix(in srgb, var(--fg) 8%, transparent);
  border: 2px solid transparent;
  border-radius: 4px;
  padding: 0;
  cursor: pointer;
}
.card.selected { border-color: var(--btn); }
.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.check {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--btn);
  color: var(--btn-fg);
  font-size: 14px;
  line-height: 22px;
  text-align: center;
  display: none;
}
.card.selected .check { display: block; }