:root {
  font-family: sans-serif;
  font-size: 1.25rem;
  background-color: var(--bg);
  color: var(--text);

  --bg: oklch(20.32% 0.0132 314.5);
  --bg-raised: oklch(26.24% 0.0324 312.5);
  --bg-raised-hover: oklch(31.97% 0.0374 315);
  --bg-raised-active: oklch(38.11% 0.0359 315.1);
  --border: oklch(47.04% 0.0597 319.9);
  --border-card: oklch(35.35% 0.0634 319.9);
  --accent: oklch(67.03% 0.1119 335.5);
  --text: oklch(94.56% 0.0437 335.5);
}

html,
body {
  margin: 0;
  padding: 0;
}

main {
  max-width: 960px;
  padding: 1em;
  margin: 0 auto;
}

h1 {
  margin: 0 0 0.25em;
}

#controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75em;
  margin-bottom: 1.5em;
}

label {
  display: flex;
  align-items: center;
  gap: 0.4em;
}

.quality-value {
  min-width: 3ch;
  text-align: right;
  font-feature-settings: "tnum";
}

.hint {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.6;
}

select {
  font: inherit;
  font-size: 1rem;
  background: var(--bg-raised);
  color: inherit;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2em 0.4em;
  cursor: pointer;

  &:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
  }
}

form {
  display: flex;
  gap: 0.5em;
  align-items: center;
}

input[type="file"] {
  font: inherit;
  font-size: 1rem;
  color: inherit;
  cursor: pointer;
}

button {
  font: inherit;
  font-size: 1rem;
  background: var(--bg-raised);
  color: inherit;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25em 0.75em;
  cursor: pointer;

  &:hover {
    background: var(--bg-raised-hover);
  }

  &:active {
    background: var(--bg-raised-active);
  }
}

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

.result-card {
  display: flex;
  flex-direction: column;
  gap: 0.4em;
  background: var(--bg-raised);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 0.75em;
  overflow: hidden;

  & img {
    width: 100%;
    height: 10rem;
    object-fit: contain;
    background: transparent;
  }
}

.download-link {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;

  &:hover {
    text-decoration: underline;
  }
}

body.drag-over::after {
  content: "drop images here";
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border: 3px dashed var(--accent);
  pointer-events: none;
  z-index: 9999;
}