* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 480px;
  padding: 14px;
  font: 15px/1.45 system-ui, "Segoe UI", sans-serif;
  color: #1a1a1a;
  background: #fff;
}

h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #777;
  margin: 20px 0 8px;
}
h2:first-child { margin-top: 0; }

label { display: block; margin-bottom: 10px; }
label > span { display: block; margin-bottom: 4px; color: #555; }

input[type=text], input[type=number], textarea, select {
  width: 100%;
  padding: 9px 10px;
  font: inherit;
  border: 1px solid #d0d0d0;
  border-radius: 5px;
  background: #fff;
}
textarea { resize: vertical; min-height: 72px; }
input[type=color] { width: 100%; height: 36px; padding: 2px; border: 1px solid #d0d0d0; border-radius: 5px; background: #fff; }
input[type=range] { width: 100%; }
input[type=file] { font-size: 13px; }

.row { display: flex; gap: 8px; }
.row > * { flex: 1; min-width: 0; }

.radio { display: flex; gap: 14px; margin-bottom: 10px; }
.radio label { display: flex; align-items: center; gap: 5px; margin: 0; }
.radio input { margin: 0; }

button {
  width: 100%;
  padding: 11px 12px;
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: 6px;
  background: #1a1a1a;
  color: #fff;
  cursor: pointer;
}
button.secondary { background: #ececec; color: #1a1a1a; }
button:disabled { opacity: .5; cursor: default; }
.buttons { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }

details { border: 1px solid #e5e5e5; border-radius: 6px; padding: 10px 12px; margin-bottom: 10px; }
details > summary { cursor: pointer; font-weight: 600; color: #444; }
details[open] > summary { margin-bottom: 10px; }

#status { margin-top: 10px; font-size: 13px; color: #666; min-height: 18px; }
#status.error { color: #c0392b; }

.slide {
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 12px;
}
.slide .num { font-size: 11px; color: #999; margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.slide canvas { width: 100%; height: auto; display: block; border-radius: 4px; margin-bottom: 8px; background: #f4f4f4; }
.slide input, .slide textarea { margin-bottom: 6px; font-size: 13px; }
.slide textarea { min-height: 88px; }

.hint { font-size: 12px; color: #888; margin: -4px 0 10px; }
.hint.error { color: #c0392b; }

#sample { width: 100%; height: auto; display: block; border-radius: 5px; cursor: crosshair; background: #f4f4f4; }

.pick { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
#pickSwatch { width: 26px; height: 26px; border-radius: 5px; border: 1px solid #ccc; background: #fff; flex: none; }
#pickHex { font-size: 12px; color: #555; }
.pick-to { font-size: 12px; padding: 8px 4px; }

.pair { display: grid; grid-template-columns: 1fr; gap: 6px; margin-bottom: 8px; }
.pair.compare { grid-template-columns: 1fr 1fr; }
.pair img, .pair canvas { width: 100%; height: auto; display: block; border-radius: 4px; background: #f4f4f4; margin: 0; }

.postBox { border: 1px solid #e5e5e5; border-radius: 8px; padding: 10px 12px; margin-bottom: 14px; }
.postBox textarea { min-height: 70px; }

.carousel-group { margin-bottom: 8px; }
.carousel-group:not(:first-child) { border-top: 2px solid #e5e5e5; padding-top: 16px; margin-top: 16px; }