/* thealphaleopard — black, white, m plus 1, lowercase, 0 radius, 0 animation */

:root {
  --bg: #000;
  --fg: #fff;
  --tile: #0a0a0a;
  --gap: 14px;
  --size: 150px;
}

html.white {
  --bg: #fff;
  --fg: #000;
  --tile: #f2f2f2;
}

* {
  box-sizing: border-box;
}

html {
  text-transform: lowercase;
  color-scheme: dark;
}

html.white {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: "M PLUS 1", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

a {
  color: var(--fg);
  text-decoration: none;
}

.back {
  font-size: 12px;
  opacity: 0.7;
}

.back:hover {
  opacity: 1;
}

/* square tiles: image fills the square, name is the subtext under it */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--size), 1fr));
  gap: 1.6rem var(--gap);
}

.tile {
  display: block;
}

.tile .thumb {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--tile);
  outline: 1px solid transparent;
}

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

.tile:hover .thumb,
.tile:focus-visible .thumb {
  outline-color: var(--fg);
}

.tile .name {
  display: block;
  margin-top: 0.45rem;
  font-size: 12px;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* settings */
.row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.row .label {
  min-width: 4.5rem;
  font-size: 12px;
  opacity: 0.7;
}

button {
  font: inherit;
  text-transform: inherit;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--fg);
  padding: 0.35rem 0.8rem;
  cursor: pointer;
}

button:hover,
button.on {
  background: var(--fg);
  color: var(--bg);
}

.empty {
  font-size: 12px;
  opacity: 0.7;
}

@media (max-width: 640px) {
  :root {
    --size: 105px;
  }

  .wrap {
    padding: 2rem 1rem 2.5rem;
  }
}