* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #0a0a0f;
  color: #d0d0d0;
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

.sim-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

/* Header */
header {
  margin-bottom: 24px;
}

header h1 {
  font-size: 1.6rem;
  font-weight: 400;
  color: #f0f0f0;
  letter-spacing: 0.02em;
}

header .subtitle {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.35);
  margin-top: 4px;
}

/* Description */
.description {
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.4);
  max-width: 640px;
  margin-bottom: 28px;
}

.description em {
  color: rgba(200, 80, 192, 0.7);
  font-style: normal;
}

/* Panels */
.panels {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.panel {
  flex: 1;
  min-width: 0;
}

.panel-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 8px;
}

.panel canvas {
  width: 100%;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.015);
}

.panel canvas.drawable {
  cursor: crosshair;
}

/* Controls */
.controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dist-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.dist-selector button {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
  font-family: inherit;
  font-size: 0.75rem;
  padding: 6px 14px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.dist-selector button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
}

.dist-selector button.active {
  background: rgba(200, 80, 192, 0.15);
  border-color: rgba(200, 80, 192, 0.4);
  color: #c850c0;
}

.dist-selector button[data-dist="cauchy"] {
  border-color: rgba(255, 107, 107, 0.2);
}

.dist-selector button[data-dist="cauchy"].active {
  background: rgba(255, 107, 107, 0.1);
  border-color: rgba(255, 107, 107, 0.4);
  color: #ff6b6b;
}

/* Sliders row */
.sliders-row {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.slider-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.4);
}

.slider-group label {
  white-space: nowrap;
}

.slider-group input[type="range"] {
  width: 120px;
  accent-color: #c850c0;
  height: 4px;
}

.slider-group .value {
  color: rgba(255, 255, 255, 0.6);
  min-width: 24px;
  text-align: right;
}

/* Actions row */
.actions-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.actions-row button {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-family: inherit;
  font-size: 0.75rem;
  padding: 6px 16px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
}

.actions-row button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
}

.actions-row button#play-pause {
  background: rgba(200, 80, 192, 0.12);
  border-color: rgba(200, 80, 192, 0.3);
  color: #c850c0;
}

.actions-row button#play-pause:hover {
  background: rgba(200, 80, 192, 0.2);
}

.theoretical-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.35);
  margin-left: auto;
}

.theoretical-toggle input {
  accent-color: #c850c0;
}

/* Stats */
.stats {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.stats span {
  color: rgba(255, 255, 255, 0.5);
}

/* Warning */
.cauchy-warning {
  background: rgba(255, 107, 107, 0.06);
  border: 1px solid rgba(255, 107, 107, 0.15);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(255, 107, 107, 0.7);
  display: none;
  margin-top: 4px;
}

.cauchy-warning.visible {
  display: block;
}

/* Draw hint */
.draw-hint {
  font-size: 0.72rem;
  color: rgba(100, 180, 255, 0.4);
  display: none;
  margin-top: -4px;
  margin-bottom: 4px;
}

.draw-hint.visible {
  display: block;
}

/* Keyboard hints */
.kbd-hints {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.15);
  margin-top: 20px;
}

.kbd-hints kbd {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  padding: 1px 5px;
  font-family: inherit;
  font-size: 0.65rem;
}

/* Home icon override */
.home-icon {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 10;
}

/* Responsive */
@media (max-width: 640px) {
  .panels {
    flex-direction: column;
  }

  .panel canvas {
    height: 200px;
  }

  .sliders-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .actions-row {
    flex-wrap: wrap;
  }

  .theoretical-toggle {
    margin-left: 0;
  }

  .sim-container {
    padding: 16px 12px 32px;
  }
}