:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #dfe3ea;
  --accent: #3b5bdb;
  --accent-ink: #ffffff;
  --error-bg: #fdecec;
  --error-ink: #a62828;
  --notice-bg: #eef4ff;
  --notice-ink: #24479c;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161c;
    --surface: #1c1f27;
    --ink: #e8eaf0;
    --muted: #99a0ae;
    --line: #2c313c;
    --accent: #6b8afd;
    --accent-ink: #10131a;
    --error-bg: #3a1f22;
    --error-ink: #ffb4b4;
    --notice-bg: #1e2740;
    --notice-ink: #b9caff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand { font-weight: 650; text-decoration: none; color: var(--ink); }

.topbar nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); text-decoration: none; }
.topbar nav a:hover { color: var(--ink); }

.who { color: var(--muted); font-size: 0.9rem; }

.tag {
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

main { max-width: 900px; margin: 1.75rem auto; padding: 0 1.25rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card.narrow { max-width: 420px; margin: 0 auto; }

h1 { margin-top: 0; font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 2rem; }

label { display: block; margin-bottom: 1rem; font-weight: 550; }
input[type="text"], input[type="password"], select {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.7rem;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
  font: inherit;
  font-weight: 550;
  padding: 0.55rem 1rem;
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }

button.link {
  background: none;
  color: var(--muted);
  padding: 0;
  font-weight: 400;
  text-decoration: underline;
}
button.link:hover { color: var(--ink); }

form.inline { display: inline-flex; gap: 0.35rem; align-items: center; margin: 0; }
form.inline input { width: auto; margin-top: 0; }
form.stack { max-width: 460px; }

.error, .notice {
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  margin: 0 0 1rem;
}
.error { background: var(--error-bg); color: var(--error-ink); }
.notice { background: var(--notice-bg); color: var(--notice-ink); }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; font-weight: 400; }

pre {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem;
  overflow-x: auto;
  font-size: 0.85rem;
}
code { font-size: 0.9em; }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
  margin: 1.25rem 0;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  background: var(--bg);
}
.tile:hover { border-color: var(--accent); }
.tile.disabled { opacity: 0.55; pointer-events: none; }
.tile-title { font-weight: 650; }
.tile-sub { color: var(--muted); font-size: 0.85rem; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; margin-top: 1.5rem; }
.facts dt { color: var(--muted); font-size: 0.9rem; }
.facts dd { margin: 0; }

table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-size: 0.85rem; font-weight: 550; }
td.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* --- draw flow (scope 7) --------------------------------------------- */

.draw-start {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1.25rem 0;
}
.draw-start label { margin: 0; }
.draw-start select { width: auto; margin-top: 0; }

.draw-layout {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(300px, 1.2fr);
  gap: 1rem;
  align-items: start;
}
@media (max-width: 720px) {
  .draw-layout { grid-template-columns: 1fr; }
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.hints h1 { margin: 0.2rem 0 0.75rem; font-size: 1.9rem; }
.hints h2 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.species { color: var(--muted); margin: 0.25rem 0 0; }

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: 0 0 0.5rem; list-style: none; }
.chip {
  padding: 0.15rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 0.82rem;
}

blockquote {
  margin: 0 0 0.6rem;
  padding: 0.6rem 0.85rem;
  border-left: 3px solid var(--line);
  background: var(--bg);
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
}

.timer {
  font-variant-numeric: tabular-nums;
  font-size: 2rem;
  font-weight: 650;
  text-align: center;
  padding: 0.4rem;
  border-radius: 8px;
  background: var(--bg);
}
.timer.off { font-size: 1rem; font-weight: 400; color: var(--muted); }
.timer.low { color: var(--error-ink); background: var(--error-bg); }
.timer.expired { opacity: 0.6; }

.canvas-placeholder {
  display: grid;
  place-content: center;
  text-align: center;
  aspect-ratio: 1 / 1;
  margin: 0.9rem 0;
  padding: 1rem;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.draw-actions { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
button.secondary { background: var(--bg); color: var(--ink); border: 1px solid var(--line); }
button.secondary:hover { border-color: var(--accent); filter: none; }
button:disabled { opacity: 0.45; cursor: not-allowed; }

/* --- canvas (scope 7.2) ----------------------------------------------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem;
  margin: 0.75rem 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.tool-group { display: flex; align-items: center; gap: 0.3rem; }
.size-group { flex: 1 1 140px; min-width: 140px; }
.size-group input[type="range"] { flex: 1; width: auto; margin: 0; }

button.tool {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.35rem 0.55rem;
  font-size: 1rem;
  line-height: 1;
}
button.tool:hover:not(:disabled) { border-color: var(--accent); filter: none; }
button.tool.active { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }

input[type="color"] {
  width: 34px;
  height: 34px;
  padding: 2px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

.swatches { display: grid; grid-template-columns: repeat(6, 18px); gap: 3px; }
.swatch {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}
.swatch:hover { transform: scale(1.15); }

/* Checkerboard so transparency is visible while drawing - the exported PNG has
   a transparent background (scope 7.2). */
.canvas-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #e9ecf1 25%, transparent 25%, transparent 75%, #e9ecf1 75%),
    linear-gradient(45deg, #e9ecf1 25%, transparent 25%, transparent 75%, #e9ecf1 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}
#canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  touch-action: none;
  cursor: crosshair;
}

.toast {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.18s ease;
  margin: 0.6rem 0 0;
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--error-bg);
  color: var(--error-ink);
}
.toast.show { visibility: visible; opacity: 1; }
.toast.show.ok { background: var(--notice-bg); color: var(--notice-ink); }

.result-frame {
  display: grid;
  place-items: center;
  margin: 1rem 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #e9ecf1 25%, transparent 25%, transparent 75%, #e9ecf1 75%),
    linear-gradient(45deg, #e9ecf1 25%, transparent 25%, transparent 75%, #e9ecf1 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
}
.result-frame img { max-width: 100%; height: auto; }

/* --- galleries and the review queue (scope 7.5, 9) -------------------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}
.gallery-item { margin: 0; }
.thumb {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  /* Checkerboard so a transparent drawing reads as transparent, not white. */
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #e9ecf1 25%, transparent 25%, transparent 75%, #e9ecf1 75%),
    linear-gradient(45deg, #e9ecf1 25%, transparent 25%, transparent 75%, #e9ecf1 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
}
.thumb img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; }

.gallery-item figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0.15rem 0;
}
.gallery-name { font-weight: 600; }

.pill {
  align-self: flex-start;
  margin-top: 0.15rem;
  padding: 0.05rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pill.rejected { background: var(--error-bg); color: var(--error-ink); }
.pill.pending { background: var(--notice-bg); color: var(--notice-ink); }

.queue-actions { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.45rem; }
.queue-actions button { padding: 0.3rem 0.6rem; font-size: 0.85rem; }
button.danger { background: var(--error-bg); color: var(--error-ink); border: 1px solid transparent; }
button.danger:hover { border-color: var(--error-ink); filter: none; }

.tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1rem 0; }
.tab {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}
.tab:hover { color: var(--ink); border-color: var(--accent); }
.tab.active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.tab .count { opacity: 0.75; font-variant-numeric: tabular-nums; }

label.checkbox {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
  font-weight: 550;
}
label.checkbox input { width: auto; margin: 0; }
label.checkbox .small { flex-basis: 100%; margin-top: 0.2rem; }

/* --- preflight (scope 13) --------------------------------------------- */

.pill.status-ok   { background: #1f6f43; color: #eafff2; }
.pill.status-warn { background: var(--notice-bg); color: var(--notice-ink); }
.pill.status-fail { background: var(--error-bg); color: var(--error-ink); }

td.wrap { white-space: normal; max-width: 46ch; }

.button-link {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 550;
  text-decoration: none;
}
.button-link:hover { filter: brightness(1.08); }