:root {
  --bg-deep: #06060f;
  --bg-mid: #0a0a1a;
  --bg-card: rgba(12, 12, 30, 0.7);
  --cyan: #00e5ff;
  --magenta: #ff00e5;
  --purple: #7b2fff;
  --cyan-dim: rgba(0, 229, 255, 0.15);
  --magenta-dim: rgba(255, 0, 229, 0.15);
}

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

body {
  background: var(--bg-deep);
  color: #e0e0e0;
  font-family: 'JetBrains 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(123, 47, 255, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(0, 229, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(255, 0, 229, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.font-orbitron { font-family: 'Orbitron', sans-serif; }
.font-mono { font-family: 'JetBrains Mono', monospace; }

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 229, 255, 0.1);
  border-radius: 16px;
}

.glass-card-glow {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 16px;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.05), inset 0 0 30px rgba(0, 229, 255, 0.02);
}

.glow-text-cyan {
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.5), 0 0 40px rgba(0, 229, 255, 0.2);
}

.glow-text-magenta {
  color: var(--magenta);
  text-shadow: 0 0 10px rgba(255, 0, 229, 0.5), 0 0 40px rgba(255, 0, 229, 0.2);
}

.upload-zone {
  border: 2px dashed rgba(0, 229, 255, 0.3);
  border-radius: 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 22px;
  background: conic-gradient(from 0deg, transparent 0%, var(--cyan) 25%, transparent 50%, var(--magenta) 75%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s;
  z-index: -1;
  animation: rotate-border 4s linear infinite;
}

.upload-zone:hover::before,
.upload-zone.drag-over::before {
  opacity: 0.4;
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--cyan);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.15), inset 0 0 40px rgba(0, 229, 255, 0.05);
}

@keyframes rotate-border {
  to { transform: rotate(360deg); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 229, 255, 0.1); }
  50% { box-shadow: 0 0 40px rgba(0, 229, 255, 0.3); }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes bar-fill {
  from { width: 0; }
}

.animate-slide-up {
  animation: slide-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

.animate-fade-in {
  animation: fade-in 0.5s ease forwards;
  opacity: 0;
}

.btn-analyze {
  background: linear-gradient(135deg, var(--purple), var(--magenta));
  border: none;
  border-radius: 12px;
  color: white;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.btn-analyze:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(123, 47, 255, 0.4);
}

.btn-analyze:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-analyze::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.1) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-analyze:hover::after { transform: translateX(100%); }

.confidence-bar {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.05);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  border-radius: 3px;
  animation: bar-fill 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

canvas#neuralCanvas, canvas#waveformCanvas, canvas#spectrumCanvas {
  display: block;
  width: 100%;
  border-radius: 12px;
}

.scrollbar-thin::-webkit-scrollbar { width: 4px; }
.scrollbar-thin::-webkit-scrollbar-track { background: transparent; }
.scrollbar-thin::-webkit-scrollbar-thumb { background: rgba(0,229,255,0.2); border-radius: 2px; }

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.processing-spinner {
  border: 3px solid rgba(0,229,255,0.1);
  border-top: 3px solid var(--cyan);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin-slow 1s linear infinite;
}

.history-item {
  transition: all 0.2s;
  cursor: pointer;
}
.history-item:hover {
  background: rgba(0,229,255,0.05);
  border-color: rgba(0,229,255,0.3);
}

footer a {
  color: var(--cyan);
  text-decoration: none;
  transition: text-shadow 0.3s;
}
footer a:hover {
  text-shadow: 0 0 10px rgba(0,229,255,0.5);
}