:root {
  color-scheme: dark light;

  --bg: #14131a;
  --panel: #1c1b25;
  --panel-2: #24222f;
  --line: #35323f;
  --ink: #e6e3ee;
  --ink-dim: #9a95ab;
  --accent: #ffb454;
  --accent-ink: #241a08;
  --focus: #7fd6ff;
  --danger: #ff6b6b;
  --radius: 6px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f5f2;
    --panel: #ffffff;
    --panel-2: #eeece7;
    --line: #d5d2ca;
    --ink: #23222a;
    --ink-dim: #6a6678;
    --accent: #b45f06;
    --accent-ink: #fff8ec;
    --focus: #1b6fa8;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 1.25rem;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1, h2 { line-height: 1.2; margin: 0 0 .4rem; }
h1 { font-size: 1.6rem; letter-spacing: -.02em; }
h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-dim); }
p { margin: 0 0 .6rem; }
a { color: var(--focus); }

.topbar { max-width: 1180px; margin: 0 auto 1.25rem; }
.tagline { color: var(--ink-dim); margin: 0; }

main {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1fr) 260px;
  align-items: start;
}

.editor { grid-column: 1; }
.side { grid-column: 2; display: grid; gap: 1.25rem; }
.codes { grid-column: 1 / -1; display: grid; gap: 1.25rem; grid-template-columns: 1fr 1fr; }

section { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.codes > div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.editor, .side > section { min-width: 0; }

.hint { color: var(--ink-dim); font-size: .82rem; }

/* ---- controls ---- */

button, input, textarea {
  font: inherit;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .38rem .7rem;
}

button { cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: default; }

button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

input[type="search"], input[type="text"] { width: 100%; }

textarea {
  width: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .78rem;
  line-height: 1.35;
  resize: vertical;
  overflow: auto;
  white-space: pre;
}

/* ---- palette + tools ---- */

.toolbar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-start; margin-bottom: .9rem; }

.palette { display: flex; flex-wrap: wrap; gap: 3px; }

.swatch {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 4px;
}

.swatch[aria-checked="true"] { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }

.tools { display: flex; flex-wrap: wrap; gap: .3rem; }
.tools button { font-size: .78rem; padding: .28rem .55rem; }

.actions { display: flex; align-items: center; gap: .8rem; margin-top: .9rem; flex-wrap: wrap; }
.status { color: var(--ink-dim); font-size: .85rem; }
.status.error { color: var(--danger); }

/* ---- grid ---- */

.grid-wrap { overflow-x: auto; }

.grid {
  --cols: 30;
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  width: 100%;
  min-width: calc(var(--cols) * 14px);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 3px;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
}

.cell { aspect-ratio: 5 / 8; }
.cell:hover { outline: 1px solid var(--accent); outline-offset: -1px; }

/* The 16 mIRC colours. Kept in step with PALETTE in kins.js. Both are
   fixed by the IRC colour spec, so neither side moves. */
.k-0  { background: #000000; }
.k-1  { background: #FFFFFF; }
.k-2  { background: #00007F; }
.k-3  { background: #009300; }
.k-4  { background: #FF0000; }
.k-5  { background: #7F0000; }
.k-6  { background: #9C009C; }
.k-7  { background: #FC7E00; }
.k-8  { background: #FFFF00; }
.k-9  { background: #00FC00; }
.k-10 { background: #009393; }
.k-11 { background: #00FFFF; }
.k-12 { background: #0000FC; }
.k-13 { background: #FF00FF; }
.k-14 { background: #7F7F7F; }
.k-15 { background: #D2D2D2; }

/* transparent: a checkerboard drawn with gradients, so there is no asset */
.k-t {
  background-color: #9b96a8;
  background-image:
    linear-gradient(45deg, #6b6678 25%, transparent 25%, transparent 75%, #6b6678 75%),
    linear-gradient(45deg, #6b6678 25%, transparent 25%, transparent 75%, #6b6678 75%);
  background-size: 10px 10px;
  background-position: 0 0, 5px 5px;
}

/* ---- gallery ---- */

.gallery { list-style: none; margin: .6rem 0; padding: 0; max-height: 20rem; overflow-y: auto; }

.gallery button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: .35rem .2rem;
  font-size: .85rem;
}

.gallery button:hover { background: var(--panel-2); border-color: var(--line); }
.gallery .name { font-weight: 600; }
.gallery .by { color: var(--ink-dim); }
.gallery li.current button { color: var(--accent); }

.pager { display: flex; gap: .3rem; margin: 0; }
.pager button { flex: 1; font-size: .75rem; padding: .28rem .2rem; }

.export { display: flex; gap: .3rem; margin: 0; }
.export button { flex: 1; }

/* ---- dialog ---- */

dialog {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  max-width: 24rem;
  width: calc(100% - 2rem);
}

dialog::backdrop { background: rgb(0 0 0 / .6); }
dialog label { display: block; font-size: .8rem; color: var(--ink-dim); margin-top: .7rem; }
dialog menu { display: flex; justify-content: flex-end; gap: .5rem; margin: 1.1rem 0 0; padding: 0; }

/* ---- footer ---- */

footer {
  max-width: 1180px;
  margin: 1.5rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: .85rem;
}

.credits { font-size: .8rem; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 860px) {
  main { grid-template-columns: minmax(0, 1fr); }
  .editor, .side, .codes { grid-column: 1; }
  .codes { grid-template-columns: 1fr; }
}