* {
  box-sizing: border-box;
}
body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial;
  margin: 0;
  padding: 24px;
  background: #0b0f14;
  color: #f2f5f7;
}
h1 {
  font-size: 20px;
  margin: 0 0 16px;
}
p {
  color: #cfd6dc;
}
.app {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
}
.card {
  background: #121821;
  border: 1px solid #1e2733;
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.card h2 {
  margin: 0 0 12px;
  font-size: 16px;
}
label {
  display: block;
  font-size: 13px;
  margin: 10px 0 6px;
  color: #a9b5bf;
}
input[type="file"],
input[type="number"],
input[type="range"],
select {
  width: 100%;
}
input[type="number"],
select {
  background: #0f1420;
  color: #e6ecf1;
  border: 1px solid #273244;
  padding: 8px 10px;
  border-radius: 10px;
}
input[type="range"] {
  accent-color: #6fc8ff;
}
.row {
  display: flex;
  gap: 12px;
}
.row > * {
  flex: 1;
}
button {
  background: #1a91ff;
  color: white;
  border: 0;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
}
button.secondary {
  background: #192233;
  color: #d7e1ea;
  border: 1px solid #2a3950;
}
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
canvas {
  background: #0a0e14;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid #1f2a3a;
}
.thumbs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin-top: 8px;
  max-height: 160px;
  overflow: auto;
}
.thumbs img {
  width: 100%;
  height: 58px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #273244;
}
.note {
  font-size: 12px;
  color: #a9b5bf;
}
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #10233a;
  border: 1px solid #264565;
  color: #cde6ff;
  font-size: 12px;
}
#hoverPreview {
  pointer-events: none;
}