/* === СТРАННЫЙ МИР === */

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

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

:root {
  --void: #0a0a0f;
  --surface: rgba(15, 15, 25, 0.85);
  --glow: #00ffaa;
  --glow-dim: rgba(0, 255, 170, 0.3);
  --text: #e0e0e0;
  --text-dim: rgba(255, 255, 255, 0.4);
  --accent: #ff00aa;
  --warning: #ffaa00;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Space Mono', monospace;
  background: var(--void);
  color: var(--text);
  touch-action: manipulation;
}

/* === GAME CONTAINER === */

#game-container {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

#game-container canvas {
  display: block;
}

/* === STATS (левый верхний угол) === */

#stats {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 4px;
  touch-action: none;
}

#player-count {
  font-size: 11px;
  color: var(--glow);
  text-transform: lowercase;
  letter-spacing: 2px;
}

#my-nickname {
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1px;
}

#appearance-btn {
  margin-top: 8px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--accent);
  font-size: 11px;
  font-family: 'Space Mono', monospace;
  cursor: pointer;
  transition: all 0.2s;
}

#appearance-btn:hover {
  background: var(--accent);
  color: var(--void);
}

#nearby-players {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 6px;
  max-height: 150px;
  overflow-y: auto;
}

.nearby-btn {
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--glow-dim);
  border-radius: 4px;
  color: var(--glow);
  font-size: 10px;
  font-family: 'Space Mono', monospace;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nearby-btn:hover {
  background: var(--glow-dim);
  border-color: var(--glow);
}

/* === APPEARANCE MODAL === */

#appearance-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

#appearance-modal.hidden {
  display: none;
}

#appearance-content {
  background: var(--surface);
  border: 1px solid var(--glow-dim);
  border-radius: 12px;
  padding: 20px;
  max-width: 340px;
  width: 90%;
  backdrop-filter: blur(8px);
}

#appearance-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--text-dim);
}

#appearance-title {
  font-size: 14px;
  color: var(--glow);
  letter-spacing: 1px;
}

#appearance-close {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--text-dim);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

#appearance-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

#appearance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.appearance-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: transparent;
  border: 1px solid var(--text-dim);
  border-radius: 8px;
  color: var(--text);
  font-size: 10px;
  font-family: 'Space Mono', monospace;
  cursor: pointer;
  transition: all 0.2s;
}

.appearance-option:hover {
  border-color: var(--glow);
  background: var(--glow-dim);
}

.appearance-option.active {
  border-color: var(--glow);
  background: var(--glow);
  color: var(--void);
}

.shape-preview {
  width: 40px;
  height: 40px;
  background: var(--glow);
  opacity: 0.8;
}

.capsule-preview {
  border-radius: 20px 20px 20px 20px;
  width: 24px;
}

.cube-preview {
  border-radius: 4px;
}

.sphere-preview {
  border-radius: 50%;
}

.cone-preview {
  width: 0;
  height: 0;
  background: transparent;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-bottom: 40px solid var(--glow);
}

.cylinder-preview {
  border-radius: 4px;
  width: 24px;
}

.torus-preview {
  border-radius: 50%;
  border: 8px solid var(--glow);
  background: transparent;
  width: 32px;
  height: 32px;
}

/* === SETTINGS (правый верхний угол) === */

#settings {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  touch-action: none;
}

#settings-toggle {
  width: 48px;
  height: 48px;
  background: var(--surface);
  border: 1px solid var(--glow-dim);
  border-radius: 8px;
  color: var(--glow);
  font-size: 24px;
  cursor: pointer;
  transition: all 0.2s;
}

#settings-toggle:hover {
  background: var(--glow-dim);
  border-color: var(--glow);
}

#settings-toggle.active {
  background: var(--glow);
  color: var(--void);
}

/* === SETTINGS PANEL === */

#settings-panel {
  background: var(--surface);
  border: 1px solid var(--glow-dim);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  backdrop-filter: blur(4px);
  min-width: 140px;
}

#settings-panel.hidden {
  display: none;
}

#fps-counter {
  font-size: 11px;
  color: var(--warning);
  text-transform: lowercase;
  letter-spacing: 2px;
  text-align: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--text-dim);
}

#quality-presets {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quality-btn {
  width: 100%;
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--text-dim);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  font-family: 'Space Mono', monospace;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.quality-btn:hover {
  border-color: var(--glow);
  color: var(--glow);
}

.quality-btn.active {
  background: var(--glow);
  border-color: var(--glow);
  color: var(--void);
}

/* === CHAT === */

#chat {
  position: fixed;
  bottom: 12px;
  left: 12px;
  width: 280px;
  max-width: calc(100% - 24px);
  z-index: 100;
  touch-action: pan-y;
}

#chat-messages {
  max-height: 160px;
  overflow-y: auto;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  scrollbar-width: none;
}

#chat-messages::-webkit-scrollbar {
  display: none;
}

.chat-message {
  background: var(--surface);
  padding: 6px 10px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--text);
  word-wrap: break-word;
  border-left: 2px solid transparent;
  backdrop-filter: blur(4px);
}

.chat-message .nickname {
  color: var(--accent);
  margin-right: 6px;
}

.chat-message .nickname.self {
  color: var(--glow);
}

.chat-message.system {
  color: var(--text-dim);
  font-style: italic;
  border-left-color: var(--warning);
  font-size: 10px;
}

#chat-form {
  display: flex;
  gap: 6px;
}

#chat-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--text-dim);
  border-radius: 3px;
  padding: 10px 12px;
  font-size: 12px;
  font-family: 'Space Mono', monospace;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  backdrop-filter: blur(4px);
}

#chat-input:focus {
  border-color: var(--glow);
}

#chat-input::placeholder {
  color: var(--text-dim);
}

#chat-send {
  background: var(--glow);
  border: none;
  border-radius: 3px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--void);
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: 'Space Mono', monospace;
}

#chat-send:hover {
  opacity: 0.8;
}

/* === PREVENT SELECTION === */

body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

/* === MOBILE === */

@media (max-width: 480px) {
  #chat {
    width: calc(100% - 24px);
  }
  
  #chat-messages {
    max-height: 100px;
  }
  
  #stats {
    top: 8px;
    left: 8px;
  }
  
  #settings {
    top: 8px;
    right: 8px;
  }
  
  #settings-toggle {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  
  #appearance-btn {
    font-size: 10px;
    padding: 6px 10px;
  }
  
  #appearance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* === ANIMATIONS (GPU accelerated) === */

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

#player-count {
  animation: pulse 3s ease-in-out infinite;
}