:root {
  --bg: #1b1b2f;
  --panel: #2a2438;
  --ink: #f4f4f8;
  --muted: #a1a1aa;
  --accent: #5ec85e;
  --warn: #f5c542;
  --error: #ef4444;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.4 ui-monospace, Menlo, Consolas, monospace;
}
header, main { max-width: 784px; margin: 0 auto; padding: 16px 24px; }
@media (min-width: 768px) { header, main { padding: 24px 32px; } }
h1 { font-size: 1.3rem; margin: 0 0 16px; }
h2 { font-size: 1.1rem; margin: 16px 0; }
h3 { font-size: 1rem; margin: 32px 0 16px; }
small { color: var(--muted); font-weight: normal; }
canvas { image-rendering: pixelated; image-rendering: crisp-edges; }

button {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 2px solid #4c4270;
  border-radius: 0;
  padding: 6px 10px;
  cursor: pointer;
  box-shadow: 2px 2px 0 #0b0b1e;
}
button:active { transform: translate(2px, 2px); box-shadow: none; }
button:disabled { opacity: 0.4; cursor: default; }
button.on { border-color: var(--accent); }
button.go { background: var(--accent); color: #0b0b1e; border-color: #15803d; }

.banner { background: var(--panel); border-left: 4px solid var(--warn); padding: 10px 12px; margin: 0 0 20px; }
nav { display: flex; gap: 10px; flex-wrap: wrap; }
.error { color: var(--error); min-height: 1.4em; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; }
.card { display: flex; flex-direction: column; gap: 4px; padding: 16px; text-align: left; }
.card span { color: var(--muted); }

.frame-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.frame-head h2 { flex: 1; text-align: center; overflow-wrap: anywhere; }
.draw-row { display: flex; gap: 16px; align-items: flex-start; }
#canvas { width: 100%; max-width: 400px; aspect-ratio: 1; touch-action: none; border: 2px solid #4c4270; min-width: 0; }
.ref { margin: 0; text-align: center; color: var(--muted); font-size: 0.8rem; flex: none; }
.ref canvas { width: 80px; height: 80px; background: #f7f7fb; border: 2px solid #4c4270; display: block; }

.tools { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.palette, .picker { display: flex; flex-wrap: wrap; gap: 8px; }
.slot { width: 36px; height: 36px; padding: 0; color: #fff; text-shadow: 0 0 2px #000, 1px 1px 0 #000; }
.slot.on { outline: 3px solid var(--warn); outline-offset: 1px; }
.slot.add { background: var(--panel); }
.picker { margin-top: 16px; padding: 16px; background: var(--panel); }
.swatch { width: 24px; height: 24px; padding: 0; box-shadow: none; border-width: 1px; }
.swatch.on { outline: 2px solid var(--warn); }
.hud { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.hud i { display: inline-block; width: 14px; height: 14px; vertical-align: middle; border: 1px solid #fff; }

.previews { display: flex; flex-wrap: wrap; gap: 16px; }
section > p:has(> .go) { margin-top: 32px; }

.phone {
  position: relative; width: fit-content; max-width: 100%; margin: 16px 0;
  padding: 36px 10px 12px; background: #0b0b1e; border: 3px solid #4c4270; border-radius: 28px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.phone::before { /* notch */
  content: ''; position: absolute; top: 12px; left: 50%; width: 72px; height: 12px;
  transform: translateX(-50%); background: #4c4270; border-radius: 6px;
}
/* drawn at an integer 2x; only shrinks on screens narrower than the 360px scene */
#phone-scene { display: block; width: 360px; max-width: 100%; border-radius: 6px; }
#phone-stage { margin: 0; font-size: 0.75rem; color: var(--muted); }
.previews figure { margin: 0; text-align: center; font-size: 0.75rem; color: var(--muted); }
.previews canvas { display: block; margin: 0 auto 4px; }

form label { display: block; margin: 16px 0; }
form input:not([type=checkbox]), #link {
  display: block; width: 100%; font: inherit; padding: 8px;
  background: #0b0b1e; color: var(--ink); border: 2px solid #4c4270;
}
label.check { display: flex; gap: 8px; align-items: flex-start; }
.link-row { display: flex; gap: 10px; }
.link-row #link { flex: 1; min-width: 0; }

.subs { padding: 0; list-style: none; }
.subs li { background: var(--panel); padding: 12px; margin: 16px 0; overflow-wrap: anywhere; }
.approved { color: var(--accent); }
.rejected { color: var(--error); }
.sub { background: var(--panel); padding: 12px; margin: 24px 0; }
.sub input { width: 100%; font: inherit; padding: 8px; margin: 8px 0; background: #0b0b1e; color: var(--ink); border: 2px solid #4c4270; }