:root {
  --bg-primary: #06060d;
  --bg-card: rgba(12, 12, 25, 0.85);
  --cyan: #00f0ff;
  --magenta: #ff00aa;
  --green: #00ff88;
  --yellow: #ffe600;
  --border-glow: rgba(0, 240, 255, 0.2);
}

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

body {
  background: var(--bg-primary);
  color: #e0e0f0;
  font-family: 'IBM Plex Mono', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(0,240,255,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(255,0,170,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(0,255,136,0.02) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

#root { position: relative; z-index: 1; }

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(0, 240, 255, 0.35);
}

.neon-text-cyan {
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0,240,255,0.5), 0 0 40px rgba(0,240,255,0.2);
}

.neon-text-magenta {
  color: var(--magenta);
  text-shadow: 0 0 10px rgba(255,0,170,0.5), 0 0 40px rgba(255,0,170,0.2);
}

.title-glow {
  position: relative;
}

.title-glow::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(0,240,255,0.12) 0%, rgba(255,0,170,0.08) 40%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  animation: titlePulse 4s ease-in-out infinite;
}

@keyframes titlePulse {
  0%, 100% { opacity: 0.7; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

.dropzone {
  border: 2px dashed rgba(0, 240, 255, 0.4);
  border-radius: 12px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.dropzone:hover, .dropzone.drag-over {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.05);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.btn-neon {
  position: relative;
  padding: 12px 32px;
  border: 1px solid var(--cyan);
  background: rgba(0, 240, 255, 0.08);
  color: var(--cyan);
  border-radius: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
}

.btn-neon:hover:not(:disabled) {
  background: rgba(0, 240, 255, 0.15);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
  transform: translateY(-1px);
}

.btn-neon:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-magenta {
  border-color: var(--magenta);
  background: rgba(255, 0, 170, 0.08);
  color: var(--magenta);
}

.btn-magenta:hover:not(:disabled) {
  background: rgba(255, 0, 170, 0.15);
  box-shadow: 0 0 25px rgba(255, 0, 170, 0.3);
}

.btn-green {
  border-color: var(--green);
  background: rgba(0, 255, 136, 0.08);
  color: var(--green);
}

.btn-green:hover:not(:disabled) {
  background: rgba(0, 255, 136, 0.15);
  box-shadow: 0 0 25px rgba(0, 255, 136, 0.3);
}

.slider-cyan {
  -webkit-appearance: none;
  appearance: none;
  background: rgba(0, 240, 255, 0.15);
  border-radius: 4px;
  height: 6px;
  outline: none;
}

.slider-cyan::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.slider-cyan::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.progress-bar-bg {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
  height: 8px;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  transition: width 0.3s ease;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.training-pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes flowArrow {
  0% { opacity: 0.3; transform: translateX(-5px); }
  50% { opacity: 1; transform: translateX(5px); }
  100% { opacity: 0.3; transform: translateX(-5px); }
}

.flow-arrow {
  animation: flowArrow 1.5s ease-in-out infinite;
}

.thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 6px;
}

.generated-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
}

.timeline-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,240,255,0.3) transparent;
}

.timeline-strip::-webkit-scrollbar { height: 6px; }
.timeline-strip::-webkit-scrollbar-track { background: transparent; }
.timeline-strip::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.3); border-radius: 3px; }

.loss-chart-container {
  position: relative;
  width: 100%;
  height: 200px;
}

.loss-chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

.arch-node {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .arch-node { font-size: 9px; padding: 6px 8px; }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.img-render-canvas {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}