:root {
  --bg-deep: #050510;
  --bg-card: #0a0a1f;
  --neon-blue: #00d4ff;
  --neon-purple: #a855f7;
  --neon-pink: #ff2d78;
  --neon-gold: #ffd700;
  --neon-green: #00ff88;
  --neon-red: #ff3333;
  --neon-cyan: #00ffee;
}

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

body {
  background: var(--bg-deep);
  color: #e0e0f0;
  font-family: 'Rajdhani', sans-serif;
  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% 50%, rgba(168,85,247,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(0,212,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(255,45,120,0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

@keyframes titlePulse {
  0%, 100% {
    text-shadow: 
      0 0 10px var(--neon-blue),
      0 0 20px var(--neon-blue),
      0 0 40px var(--neon-purple),
      0 0 80px var(--neon-purple);
  }
  50% {
    text-shadow: 
      0 0 5px var(--neon-blue),
      0 0 10px var(--neon-blue),
      0 0 20px var(--neon-purple),
      0 0 40px var(--neon-purple);
  }
}

@keyframes borderGlow {
  0%, 100% {
    box-shadow: 
      0 0 5px var(--neon-blue),
      0 0 15px rgba(0,212,255,0.3),
      inset 0 0 5px rgba(0,212,255,0.1);
  }
  50% {
    box-shadow: 
      0 0 10px var(--neon-purple),
      0 0 25px rgba(168,85,247,0.3),
      inset 0 0 8px rgba(168,85,247,0.1);
  }
}

@keyframes scanLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes energyPulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes barFill {
  from { width: 0; }
}

@keyframes crackle {
  0%, 100% { opacity: 1; }
  10% { opacity: 0.8; }
  20% { opacity: 1; }
  30% { opacity: 0.6; }
  40% { opacity: 1; }
  50% { opacity: 0.9; }
  60% { opacity: 1; }
  70% { opacity: 0.7; }
  80% { opacity: 1; }
  90% { opacity: 0.85; }
}

@keyframes progressGlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

@keyframes tierBadgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

@keyframes radarDraw {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

.title-glow {
  animation: titlePulse 3s ease-in-out infinite;
}

.input-glow {
  animation: borderGlow 4s ease-in-out infinite;
}

.btn-analyze {
  background: linear-gradient(135deg, #00d4ff, #a855f7, #ff2d78);
  background-size: 200% 200%;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-analyze::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: linear-gradient(135deg, #00d4ff, #a855f7, #ff2d78, #00d4ff);
  background-size: 400% 400%;
  z-index: -1;
  filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: progressGlow 3s linear infinite;
}

.btn-analyze:hover::before {
  opacity: 1;
}

.btn-analyze:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 0 20px rgba(0,212,255,0.5),
    0 0 40px rgba(168,85,247,0.3);
}

.btn-analyze:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-analyze:disabled:hover::before {
  opacity: 0;
}

.glass-card {
  background: rgba(10, 10, 35, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 16px;
}

.profile-card {
  animation: slideUp 0.8s ease-out;
}

.stat-bar-fill {
  animation: barFill 1.2s ease-out forwards;
}

.tier-badge {
  animation: tierBadgePulse 2s ease-in-out infinite, float 4s ease-in-out infinite;
}

.radar-svg {
  animation: radarDraw 1s ease-out;
}

.progress-bar {
  background: linear-gradient(90deg, #00d4ff, #a855f7, #ff2d78, #00d4ff);
  background-size: 200% 100%;
  animation: progressGlow 1.5s linear infinite;
}

.scan-text {
  animation: crackle 0.5s step-end infinite;
}

.history-item {
  transition: all 0.2s ease;
}

.history-item:hover {
  border-color: var(--neon-blue);
  transform: translateX(4px);
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(5,5,16,0.5);
}
::-webkit-scrollbar-thumb {
  background: rgba(0,212,255,0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0,212,255,0.5);
}

textarea:focus, input:focus {
  outline: none;
}