/* Particle sandbox — paint-dust from gallery stills */

#panel-particles.panel.active {
  display: block;
  min-height: calc(100vh - 100px);
}

body.ps-tab-active #panel-particles {
  background: #0c0d12;
}

.ps-shell {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0.65rem 1rem 1.5rem;
  color: #e6e8f0;
}

.ps-top h2 {
  margin: 0 0 0.25rem;
  font-size: 1.28rem;
  color: #9ad8ff;
}

.ps-hint {
  margin: 0 0 0.7rem;
  font-size: 0.84rem;
  line-height: 1.45;
  color: rgba(190, 200, 220, 0.88);
  max-width: 44rem;
}

.ps-toolbar,
.ps-sliders,
.ps-tools,
.ps-art {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin-bottom: 0.45rem;
}

.ps-tool,
.ps-art button,
.ps-sliders button,
.ps-art input,
.ps-sliders input[type="range"] {
  font: inherit;
  font-size: 0.76rem;
}

.ps-tool,
.ps-art button,
.ps-sliders button {
  appearance: none;
  padding: 0.32rem 0.58rem;
  border-radius: 8px;
  border: 1px solid rgba(120, 180, 230, 0.35);
  background: rgba(18, 24, 36, 0.95);
  color: #e4eef8;
  cursor: pointer;
}

.ps-tool.active {
  background: linear-gradient(180deg, #2a5588, #163250);
  border-color: rgba(140, 210, 255, 0.7);
  font-weight: 700;
}

.ps-art input[type="number"],
.ps-art select {
  width: auto;
  min-width: 6.5rem;
  padding: 0.28rem 0.35rem;
  border-radius: 6px;
  border: 1px solid rgba(120, 180, 230, 0.35);
  background: #121820;
  color: #eef4fa;
}

.ps-art input[type="number"] {
  width: 4.2rem;
  min-width: 0;
}

.ps-thumb {
  width: 2.4rem;
  height: 2.4rem;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(120, 180, 230, 0.35);
  background: #111;
}

.ps-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.22rem;
  margin: 0 0 0.5rem;
  min-height: 1.1rem;
}

.ps-swatches span {
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ps-prompt,
.ps-reading,
.ps-material {
  display: block;
  width: 100%;
  box-sizing: border-box;
  font: inherit;
  font-size: 0.84rem;
  padding: 0.4rem 0.55rem;
  margin: 0 0 0.4rem;
  border-radius: 8px;
  border: 1px solid rgba(120, 180, 230, 0.35);
  background: #121820;
  color: #eef4fa;
  resize: vertical;
}

.ps-prompt {
  min-height: 2.6rem;
}

.ps-material {
  resize: none;
}

.ps-reading {
  min-height: 4.4rem;
  font-size: 0.78rem;
  line-height: 1.4;
  color: #d4deea;
}

.ps-read-lab {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(160, 180, 200, 0.8);
  margin: 0.15rem 0 0.25rem;
}

.ps-read-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin: 0 0 0.45rem;
}

.ps-read-hint {
  font-size: 0.74rem;
  color: rgba(160, 180, 200, 0.75);
}

.ps-primary {
  background: linear-gradient(180deg, #3a6ea8, #1e3e68) !important;
  border-color: rgba(150, 210, 255, 0.55) !important;
  font-weight: 800;
}

.ps-primary:disabled {
  opacity: 0.55;
  cursor: wait;
}

#ps-clear-still {
  border-color: rgba(220, 160, 90, 0.5);
  color: #f0d8b0;
}

.ps-sliders label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.76rem;
  color: rgba(180, 200, 220, 0.9);
}

.ps-stage {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(100, 160, 220, 0.3);
  background: #08090e;
}

#ps-canvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
  user-select: none;
  cursor: crosshair;
}

.ps-status {
  min-height: 1.1rem;
  margin: 0.45rem 0 0;
  font-size: 0.8rem;
  color: rgba(170, 190, 210, 0.85);
}

@media (max-width: 720px) {
  .ps-shell {
    padding: 0.5rem 0.65rem 1.3rem;
  }
}