@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg-deep: #050510;
  --bg-ocean: #0a0a2e;
  --bg-card: #0d0d2b;
  --bg-elevated: #141438;
  --neon-cyan: #00e5ff;
  --neon-magenta: #ff00ff;
  --neon-green: #00ff88;
  --neon-gold: #ffd700;
  --text-primary: #e0e8ff;
  --text-secondary: #8892b0;
  --text-muted: #4a5568;
  --glow-cyan: 0 0 20px rgba(0, 229, 255, 0.4);
  --glow-magenta: 0 0 20px rgba(255, 0, 255, 0.4);
  --glow-green: 0 0 20px rgba(0, 255, 136, 0.4);
  --border-subtle: rgba(0, 229, 255, 0.15);
  --border-glow: rgba(0, 229, 255, 0.4);
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
}

::selection {
  background: rgba(0, 229, 255, 0.3);
  color: #fff;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(0, 229, 255, 0.3); border-radius: 3px; }

body {
  background: linear-gradient(180deg, #050510 0%, #0a0a2e 30%, #0d1b3e 60%, #0a1628 100%);
  min-height: 100vh;
}

.bubbles-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bubble {
  position: absolute;
  bottom: -20px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 229, 255, 0.15), rgba(0, 229, 255, 0.03));
  border: 1px solid rgba(0, 229, 255, 0.08);
  animation: rise linear infinite;
}

@keyframes rise {
  0% { transform: translateY(0) scale(1); opacity: 0.6; }
  50% { opacity: 0.3; }
  100% { transform: translateY(-110vh) scale(0.5); opacity: 0; }
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 30px;
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-logo {
  font-family: 'Orbitron', monospace;
  font-size: 1.3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-link:hover, .nav-link.active {
  color: var(--neon-cyan);
  border-color: var(--border-glow);
  background: rgba(0, 229, 255, 0.05);
  box-shadow: var(--glow-cyan);
}

.main-content {
  position: relative;
  z-index: 1;
  padding-top: 60px;
  min-height: 100vh;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: 2.2rem;
  font-weight: 900;
  text-align: center;
  margin: 30px 0 8px;
  background: linear-gradient(135deg, var(--neon-cyan), #7b61ff, var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.creature-selector {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.creature-btn {
  padding: 8px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.creature-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.creature-btn.active {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 229, 255, 0.1);
  box-shadow: var(--glow-cyan);
}

.creature-emoji {
  font-size: 1.2rem;
}

.canvas-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.draw-canvas-wrapper {
  position: relative;
  border: 2px solid var(--border-glow);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.1), inset 0 0 60px rgba(0, 229, 255, 0.03);
  background: #0d1117;
}

.draw-canvas-wrapper canvas {
  display: block;
  cursor: crosshair;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.toolbar-separator {
  width: 1px;
  height: 28px;
  background: var(--border-subtle);
  margin: 0 4px;
}

.tool-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.15s ease;
}

.tool-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.tool-btn.active {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 229, 255, 0.1);
  box-shadow: var(--glow-cyan);
}

.color-picker-wrapper {
  position: relative;
  width: 36px;
  height: 36px;
}

.color-picker-wrapper input[type="color"] {
  width: 100%;
  height: 100%;
  border: 2px solid var(--border-glow);
  border-radius: 8px;
  cursor: pointer;
  background: none;
  padding: 0;
}

.color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
.color-picker-wrapper input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }

.size-slider {
  -webkit-appearance: none;
  width: 80px;
  height: 4px;
  border-radius: 2px;
  background: var(--bg-elevated);
  outline: none;
}

.size-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  box-shadow: var(--glow-cyan);
}

.action-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.btn-primary {
  padding: 12px 28px;
  border: 2px solid var(--neon-cyan);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(0, 229, 255, 0.05));
  color: var(--neon-cyan);
  font-family: 'Orbitron', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.25), rgba(0, 229, 255, 0.1));
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.3);
  transform: translateY(-2px);
}

.btn-secondary {
  padding: 12px 28px;
  border: 1px solid var(--border-glow);
  border-radius: 10px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-secondary:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

.tank-canvas-wrapper {
  position: relative;
  width: 100%;
  height: calc(100vh - 60px);
  overflow: hidden;
  background: linear-gradient(180deg, #020818 0%, #051530 40%, #0a2040 70%, #0d1830 100%);
}

.tank-canvas-wrapper canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.tank-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: rgba(5, 5, 16, 0.8);
  backdrop-filter: blur(15px);
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  z-index: 10;
}

.tank-controls label {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.tank-controls select, .tank-controls button {
  padding: 6px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  cursor: pointer;
}

.tank-controls select:hover, .tank-controls button:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.stats-overlay {
  position: absolute;
  top: 80px;
  right: 20px;
  padding: 12px 16px;
  background: rgba(5, 5, 16, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-secondary);
  z-index: 10;
}

.stats-overlay .stat-value {
  color: var(--neon-cyan);
  font-weight: 700;
}

.ranking-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.sort-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.sort-btn {
  padding: 8px 18px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sort-btn:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.sort-btn.active {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  background: rgba(255, 0, 255, 0.08);
  box-shadow: var(--glow-magenta);
}

.creature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.creature-card {
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px;
  background: var(--bg-card);
  text-align: center;
  transition: all 0.2s ease;
}

.creature-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 229, 255, 0.08);
}

.creature-card img {
  max-width: 160px;
  max-height: 100px;
  border-radius: 6px;
  margin-bottom: 10px;
  image-rendering: auto;
}

.creature-card .card-type {
  font-size: 0.7rem;
  color: var(--neon-magenta);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.creature-card .card-score {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--neon-cyan);
}

.vote-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}

.vote-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s ease;
}

.vote-btn:hover {
  transform: translateY(-1px);
}

.vote-btn.upvote:hover {
  color: var(--neon-green);
  border-color: var(--neon-green);
}

.vote-btn.downvote:hover {
  color: var(--neon-magenta);
  border-color: var(--neon-magenta);
}

.hint-text {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 6px;
  letter-spacing: 0.5px;
}

.food-pellet {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffd700, #ff8c00);
  pointer-events: none;
  z-index: 5;
}

@keyframes foodDrop {
  0% { opacity: 1; }
  100% { transform: translateY(200px); opacity: 0; }
}

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 12px 24px;
  background: rgba(0, 229, 255, 0.15);
  border: 1px solid var(--neon-cyan);
  border-radius: 10px;
  color: var(--neon-cyan);
  font-size: 0.85rem;
  z-index: 200;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  backdrop-filter: blur(10px);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
  .nav { padding: 10px 16px; }
  .nav-logo { font-size: 1rem; }
  .nav-links { gap: 4px; }
  .nav-link { padding: 5px 8px; font-size: 0.7rem; }
  .section-title { font-size: 1.5rem; }
  .toolbar { gap: 8px; padding: 10px 12px; }
  .draw-canvas-wrapper canvas { width: 100% !important; height: auto !important; }
  .creature-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
  .action-buttons { flex-wrap: wrap; }
  .tank-controls { flex-wrap: wrap; justify-content: center; width: 90%; }
}