:root {
  --bg-deep: #06060f;
  --bg-panel: #0c0c1e;
  --bg-panel-hover: #10102a;
  --cyan: #00f0ff;
  --magenta: #ff00aa;
  --purple: #8b5cf6;
  --pink: #f472b6;
  --green: #10b981;
  --red: #ef4444;
  --text: #e2e8f0;
  --text-dim: #64748b;
  --border: #1e1e3a;
}

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

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    linear-gradient(rgba(0,240,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.mono { font-family: 'JetBrains Mono', monospace; }

.glow-cyan { box-shadow: 0 0 15px rgba(0,240,255,0.15), inset 0 0 15px rgba(0,240,255,0.05); }
.glow-magenta { box-shadow: 0 0 15px rgba(255,0,170,0.15), inset 0 0 15px rgba(255,0,170,0.05); }
.glow-purple { box-shadow: 0 0 15px rgba(139,92,246,0.15), inset 0 0 15px rgba(139,92,246,0.05); }

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  z-index: 1;
  transition: border-color 0.3s ease;
}
.panel:hover { border-color: rgba(0,240,255,0.2); }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Space Grotesk', sans-serif;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,240,255,0.3); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
}
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); }

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--cyan);
  background: rgba(0,240,255,0.03);
}

.slider-input {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
}
.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(0,240,255,0.4);
}

.pixelated { image-rendering: pixelated; image-rendering: crisp-edges; }

.loss-chart { background: var(--bg-deep); border-radius: 8px; border: 1px solid var(--border); }

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.training-pulse { animation: pulse-glow 1.5s ease-in-out infinite; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.4s ease-out forwards; }

.tooltip-container { position: relative; }
.tooltip-container .tooltip-text {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%);
  background: #1a1a3e;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 100;
  border: 1px solid var(--border);
  transition: all 0.2s;
  pointer-events: none;
}
.tooltip-container:hover .tooltip-text { visibility: visible; opacity: 1; }

.latent-pad {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(139,92,246,0.15), transparent);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: crosshair;
  position: relative;
  touch-action: none;
}

.latent-dot {
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--cyan);
  pointer-events: none;
}

input[type="number"] {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  width: 80px;
}
input[type="number"]:focus { outline: none; border-color: var(--cyan); }

select {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}
select:focus { outline: none; border-color: var(--cyan); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #2a2a4a; }