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

:root {
  --neon-cyan: #00ffff;
  --neon-magenta: #ff00ff;
  --neon-yellow: #ffff00;
  --deep-purple: #0a0015;
  --grid-color: rgba(0, 255, 255, 0.1);
}

body {
  font-family: 'Share Tech Mono', monospace;
  background: var(--deep-purple);
  color: var(--neon-cyan);
  overflow: hidden;
  cursor: crosshair;
}

.cyber-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridScroll 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes gridScroll {
  0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
  100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent 50%, rgba(0, 255, 255, 0.05) 50%);
  background-size: 100% 4px;
  animation: scan 8s linear infinite;
  pointer-events: none;
  z-index: 1000;
}

@keyframes scan {
  0% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

.container {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 20px;
  min-height: 100vh;
  overflow-y: auto;
  max-height: 100vh;
}

.title {
  font-family: 'Orbitron', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 10px;
  text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan), 0 0 40px var(--neon-cyan),
    2px 2px 0 var(--neon-magenta), -2px -2px 0 var(--neon-yellow);
  animation: glitchTitle 3s infinite;
  letter-spacing: 4px;
}

@keyframes glitchTitle {
  0%, 90%, 100% { transform: translate(0); }
  92% { transform: translate(-2px, 2px); text-shadow: 0 0 10px var(--neon-cyan), 3px 3px 0 var(--neon-magenta); }
  94% { transform: translate(2px, -2px); text-shadow: 0 0 10px var(--neon-cyan), -3px -3px 0 var(--neon-yellow); }
  96% { transform: translate(-1px, 1px); }
}

.subtitle {
  text-align: center;
  color: var(--neon-magenta);
  font-size: 1.2rem;
  margin-bottom: 30px;
  text-transform: uppercase;
  letter-spacing: 8px;
  opacity: 0;
  animation: fadeIn 1s ease-in 0.5s forwards;
}

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

.profile-container {
  background: rgba(0, 0, 0, 0.9);
  border: 3px solid var(--neon-magenta);
  box-shadow: 0 0 30px rgba(255, 0, 255, 0.5), inset 0 0 30px rgba(255, 0, 255, 0.1);
  padding: 20px;
  margin-bottom: 25px;
  clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

.profile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.profile-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--neon-magenta);
  text-shadow: 0 0 20px var(--neon-magenta), 0 0 40px var(--neon-magenta);
}

.profile-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.profile-stat {
  font-size: 0.9rem;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
}

.xp-bar-container {
  position: relative;
  height: 40px;
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid var(--neon-magenta);
  overflow: hidden;
}

.xp-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-magenta), var(--neon-cyan), var(--neon-yellow), var(--neon-magenta));
  background-size: 200% 100%;
  width: 0%;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 30px var(--neon-magenta), inset 0 0 20px rgba(255, 255, 255, 0.3);
  animation: xpFlow 3s linear infinite;
  position: relative;
}

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

.xp-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: xpShine 2s infinite;
}

@keyframes xpShine {
  0% { left: -100%; }
  100% { left: 200%; }
}

.xp-bar-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  text-shadow: 0 0 10px #000, 0 0 5px #000, 2px 2px 4px #000;
  z-index: 10;
}

.xp-popup {
  position: fixed;
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--neon-yellow);
  text-shadow: 0 0 20px var(--neon-yellow), 0 0 40px var(--neon-yellow), 0 0 60px var(--neon-yellow);
  pointer-events: none;
  z-index: 1000;
  animation: xpPopup 2s forwards;
}

@keyframes xpPopup {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  20% { transform: translateY(-30px) scale(1.3); }
  100% { opacity: 0; transform: translateY(-100px) scale(0.8); }
}

.level-up-flash {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 0, 255, 0.6), transparent 70%);
  pointer-events: none;
  z-index: 1500;
  opacity: 0;
  animation: levelUpFlash 1s;
}

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

.level-up-text {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Orbitron', sans-serif;
  font-size: 6rem;
  font-weight: 900;
  color: var(--neon-magenta);
  text-shadow: 0 0 30px var(--neon-magenta), 0 0 60px var(--neon-magenta), 0 0 90px var(--neon-magenta);
  pointer-events: none;
  z-index: 1600;
  opacity: 0;
  animation: levelUpText 2s;
}

@keyframes levelUpText {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5) rotateZ(-5deg); }
  20% { opacity: 1; transform: translate(-50%, -50%) scale(1.2) rotateZ(2deg); }
  80% { opacity: 1; transform: translate(-50%, -50%) scale(1) rotateZ(0deg); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.5) rotateZ(0deg); }
}

.stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: 30px;
  gap: 15px;
  flex-wrap: wrap;
}

.stat-box {
  flex: 1;
  min-width: 140px;
  padding: 15px;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3), inset 0 0 20px rgba(0, 255, 255, 0.1);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: all 0.3s;
}

.stat-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.6), inset 0 0 20px rgba(0, 255, 255, 0.2);
}

.stat-label {
  font-size: 0.8rem;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--neon-yellow);
  text-shadow: 0 0 10px var(--neon-yellow);
}

.progress-container {
  margin: 20px 0;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid var(--neon-cyan);
  height: 25px;
  position: relative;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-magenta));
  width: 0%;
  transition: width 0.5s;
  box-shadow: 0 0 20px var(--neon-cyan);
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 700;
  font-size: 0.9rem;
  text-shadow: 0 0 5px #000;
  z-index: 10;
}

.game-area {
  position: relative;
  background: rgba(0, 0, 0, 0.8);
  border: 3px solid var(--neon-cyan);
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.4), inset 0 0 60px rgba(0, 255, 255, 0.05);
  padding: 20px;
  margin-bottom: 20px;
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  margin-bottom: 20px;
  position: relative;
  padding: 20px;
}

.node-grid::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.4) 70%, rgba(0, 0, 0, 0.9) 100%);
  z-index: 5;
}

.node {
  aspect-ratio: 1;
  background: rgba(0, 255, 255, 0.1);
  border: 2px solid var(--neon-cyan);
  position: relative;
  cursor: pointer;
  transition: all 0.3s;
  overflow: hidden;
  z-index: 1;
}

.node.type-secure {
  border-color: rgba(0, 255, 255, 0.5);
  background: rgba(0, 255, 255, 0.05);
}

.node.type-valuable {
  border-color: var(--neon-yellow);
  background: rgba(255, 255, 0, 0.08);
  box-shadow: 0 0 10px rgba(255, 255, 0, 0.3);
}

.node::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(0, 255, 255, 0.5), transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s;
}

.node:hover::before {
  width: 100%;
  height: 100%;
}

.node.active {
  background: rgba(0, 255, 255, 0.3);
  box-shadow: 0 0 20px var(--neon-cyan), inset 0 0 20px var(--neon-cyan);
  animation: pulse 1s infinite;
  z-index: 10;
}

.node.hacked {
  background: rgba(255, 0, 255, 0.3);
  border-color: var(--neon-magenta);
  box-shadow: 0 0 20px var(--neon-magenta), inset 0 0 20px var(--neon-magenta);
}

.node.firewall {
  background: rgba(255, 255, 0, 0.2);
  border-color: var(--neon-yellow);
}

.node.firewall::after {
  content: '⚠';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  color: var(--neon-yellow);
  text-shadow: 0 0 10px var(--neon-yellow);
}

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

.terminal {
  background: #000;
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
  padding: 15px;
  min-height: 120px;
  max-height: 150px;
  overflow-y: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}

.terminal::-webkit-scrollbar {
  width: 8px;
}

.terminal::-webkit-scrollbar-track {
  background: #000;
}

.terminal::-webkit-scrollbar-thumb {
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

.log-entry {
  opacity: 0;
  animation: logAppear 0.3s forwards;
  margin-bottom: 4px;
}

@keyframes logAppear {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.log-success { color: #00ff00; }
.log-error { color: #ff0000; }
.log-warning { color: var(--neon-yellow); }

.controls {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

button {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 15px 40px;
  background: transparent;
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s;
}

button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--neon-cyan);
  transition: left 0.3s;
  z-index: -1;
}

button:hover::before { left: 0; }
button:hover { color: var(--deep-purple); box-shadow: 0 0 20px var(--neon-cyan); }
button:active { transform: scale(0.95); }

button.reset {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}

button.reset::before {
  background: var(--neon-magenta);
}

button.reset:hover {
  box-shadow: 0 0 20px var(--neon-magenta);
}

button.stats-btn {
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
}

button.stats-btn::before {
  background: var(--neon-yellow);
}

button.stats-btn:hover {
  box-shadow: 0 0 20px var(--neon-yellow);
}

.hack-modal, .victory, .stats-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.hack-modal.show, .victory.show, .stats-modal.show {
  opacity: 1;
  pointer-events: all;
}

.hack-sequence, .stats-content {
  background: rgba(0, 0, 0, 0.9);
  border: 3px solid var(--neon-cyan);
  box-shadow: 0 0 50px rgba(0, 255, 255, 0.6), inset 0 0 50px rgba(0, 255, 255, 0.1);
  padding: 40px;
  max-width: 600px;
  width: 90%;
  clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}

.hack-title, .stats-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  text-align: center;
  margin-bottom: 10px;
  color: var(--neon-yellow);
  text-shadow: 0 0 20px var(--neon-yellow);
  text-transform: uppercase;
  letter-spacing: 3px;
}

.hack-instruction {
  text-align: center;
  margin-bottom: 20px;
  opacity: 0.8;
}

.hack-timer-bar {
  height: 20px;
  background: rgba(255, 0, 0, 0.2);
  border: 2px solid #ff0000;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}

.hack-timer-fill {
  height: 100%;
  background: linear-gradient(90deg, #ff0000, var(--neon-yellow));
  width: 100%;
  transition: width 0.1s linear;
  box-shadow: 0 0 20px #ff0000;
}

.hack-pattern {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.pattern-symbol {
  width: 60px;
  height: 60px;
  background: rgba(0, 255, 255, 0.1);
  border: 2px solid var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
  animation: symbolPulse 1s infinite;
  animation-delay: calc(var(--index) * 0.1s);
}

@keyframes symbolPulse {
  0%, 100% { transform: scale(1); border-color: var(--neon-cyan); }
  50% { transform: scale(1.1); border-color: var(--neon-yellow); }
}

.hack-input-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-bottom: 20px;
}

.hack-key {
  aspect-ratio: 1;
  background: rgba(0, 255, 255, 0.1);
  border: 2px solid var(--neon-cyan);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--neon-cyan);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  text-shadow: 0 0 10px var(--neon-cyan);
}

.hack-key:hover {
  background: rgba(0, 255, 255, 0.3);
  box-shadow: 0 0 20px var(--neon-cyan);
  transform: scale(1.05);
}

.hack-key:active { transform: scale(0.95); }

.hack-key.correct {
  background: rgba(0, 255, 0, 0.3);
  border-color: #00ff00;
  color: #00ff00;
  animation: correctFlash 0.5s;
}

.hack-key.wrong {
  background: rgba(255, 0, 0, 0.3);
  border-color: #ff0000;
  color: #ff0000;
  animation: wrongShake 0.5s;
}

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

@keyframes wrongShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.hack-progress {
  text-align: center;
  font-size: 1.2rem;
  color: var(--neon-yellow);
  text-shadow: 0 0 10px var(--neon-yellow);
}

.particle {
  position: fixed;
  width: 3px;
  height: 3px;
  background: var(--neon-cyan);
  border-radius: 50%;
  pointer-events: none;
  box-shadow: 0 0 10px var(--neon-cyan);
  z-index: 999;
}

.victory-content {
  text-align: center;
  animation: victoryPulse 2s infinite;
}

.victory-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 5rem;
  font-weight: 900;
  color: var(--neon-magenta);
  text-shadow: 0 0 20px var(--neon-magenta), 0 0 40px var(--neon-magenta), 0 0 60px var(--neon-magenta);
  margin-bottom: 20px;
}

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

.victory-stats {
  margin: 30px 0;
  font-size: 1.5rem;
  color: var(--neon-cyan);
}

.victory-stat {
  margin: 10px 0;
  text-shadow: 0 0 10px var(--neon-cyan);
}

.stats-content {
  max-width: 800px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 30px 0;
}

.stats-section h3 {
  color: var(--neon-magenta);
  text-shadow: 0 0 10px var(--neon-magenta);
  margin-bottom: 15px;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 2px;
}

.stats-item {
  padding: 10px;
  margin: 8px 0;
  background: rgba(0, 255, 255, 0.05);
  border-left: 3px solid var(--neon-cyan);
  display: flex;
  justify-content: space-between;
}

.stats-item span {
  color: var(--neon-yellow);
  font-weight: 700;
  text-shadow: 0 0 10px var(--neon-yellow);
}

.close-stats {
  width: 100%;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .title { font-size: 2rem; }
  .subtitle { font-size: 0.8rem; letter-spacing: 3px; }
  .node-grid { grid-template-columns: repeat(6, 1fr); gap: 8px; padding: 10px; }
  .stat-box { min-width: 120px; padding: 12px; }
  .stat-value { font-size: 1.4rem; }
  .victory-title { font-size: 3rem; }
  .profile-name { font-size: 1.5rem; }
  .level-up-text { font-size: 3.5rem; }
  .node.firewall::after { font-size: 1.2rem; }
  .stats-grid { grid-template-columns: 1fr; }
}