/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: Arial, sans-serif;
  background-color: #0a0a1a;
  color: #ffffff;
}

/* Game Container */
#game-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#loading {
  font-size: 24px;
  color: #888;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* HUD */
#hud {
  position: fixed;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 100;
}

#hud-left {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: rgba(26, 26, 46, 0.9);
  padding: 10px 15px;
  border-radius: 8px;
  pointer-events: auto;
}

#hud-left div {
  font-size: 16px;
}

#hud-right {
  pointer-events: auto;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

/* Chat Toggle Button */
#chat-toggle-btn {
  position: relative;
  background: #4a4a8a;
  color: white;
  border: none;
  padding: 10px 14px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

#chat-toggle-btn:hover {
  background: #6a6aaa;
}

#chat-toggle-btn.has-unread {
  animation: pulse-badge 1s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 136, 0, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(255, 136, 0, 0); }
}

#chat-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: #ff4444;
  color: white;
  font-size: 11px;
  font-weight: bold;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

#chat-badge.hidden {
  display: none;
}

.chat-icon {
  font-size: 18px;
  line-height: 1;
}

/* Game Menu Dropdown */
#game-menu {
  position: relative;
  pointer-events: auto;
}

#menu-toggle-btn {
  background: #4a4a8a;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
  pointer-events: auto;
}

#menu-toggle-btn:hover {
  background: #6a6aaa;
}

#game-menu-dropdown {
  position: fixed;
  background: rgba(26, 26, 46, 0.95);
  border-radius: 8px;
  padding: 10px;
  min-width: 160px;
  z-index: 150;
  pointer-events: auto;
}

#menu-session-code {
  padding: 8px 10px;
  border-bottom: 1px solid #333;
  margin-bottom: 8px;
}

#menu-session-code .menu-label {
  color: #888;
  margin-right: 5px;
}

#menu-code-value {
  color: #ffcc00;
  font-weight: bold;
  font-family: monospace;
  letter-spacing: 2px;
}

#menu-copy-btn {
  background: #3a3a6a;
  color: white;
  border: none;
  padding: 4px 8px;
  font-size: 11px;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 8px;
}

#menu-copy-btn:hover {
  background: #4a4a8a;
}

#menu-pause-btn,
#menu-chat-btn,
#menu-leave-btn {
  display: block;
  width: 100%;
  background: #3a3a6a;
  color: white;
  border: none;
  padding: 10px 15px;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 5px;
  text-align: left;
  transition: background 0.2s;
}

#menu-pause-btn:hover,
#menu-chat-btn:hover {
  background: #4a4a8a;
}

#menu-leave-btn {
  background: #aa4444;
  margin-bottom: 0;
}

#menu-leave-btn:hover {
  background: #cc5555;
}

#lives-value.warning {
  color: #ff4444;
  font-weight: bold;
}

/* Tower Panel */
#tower-panel {
  position: fixed;
  bottom: 10px;
  left: 10px;
  background: rgba(26, 26, 46, 0.95);
  border-radius: 8px;
  padding: 10px;
  z-index: 100;
  max-width: 300px;
}

#tower-panel-header {
  font-size: 14px;
  color: #aaa;
  margin-bottom: 8px;
  text-align: center;
}

#tower-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tower-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #2a2a4e;
  padding: 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  min-width: 140px;
}

.tower-item:hover {
  background: #3a3a6e;
}

.tower-item.selected {
  background: #4a4a8a;
  box-shadow: 0 0 0 2px #6a6aaa;
}

.tower-item.unaffordable {
  opacity: 0.5;
  cursor: not-allowed;
}

.tower-icon {
  width: 32px;
  height: 32px;
  border-radius: 4px;
}

.tower-info {
  flex: 1;
}

.tower-name {
  font-size: 12px;
  font-weight: bold;
}

.tower-cost {
  font-size: 11px;
  color: #ffcc00;
}

.tower-stats {
  font-size: 10px;
  color: #aaa;
}

/* Upgrade Panel */
#upgrade-panel {
  position: fixed;
  bottom: 10px;
  right: 10px;
  background: rgba(26, 26, 46, 0.95);
  border-radius: 8px;
  padding: 15px;
  z-index: 100;
  min-width: 200px;
}

#upgrade-info h3 {
  margin-bottom: 10px;
  color: #fff;
}

#upgrade-info p {
  font-size: 14px;
  color: #aaa;
  margin: 5px 0;
}

#upgrade-btn {
  width: 100%;
  background: #228822;
  color: white;
  border: none;
  padding: 10px;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.2s;
}

#upgrade-btn:hover:not(:disabled) {
  background: #33aa33;
}

#upgrade-btn:disabled {
  background: #444;
  cursor: not-allowed;
}

#upgrade-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 5px;
}

#upgrade-buttons button {
  flex: 1;
}

#sell-btn {
  background: #aa4422;
  color: white;
  border: none;
  padding: 10px;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}

#sell-btn:hover {
  background: #cc5533;
}

.sell-info {
  color: #ffaa44;
  font-style: italic;
}

#upgrade-close {
  width: 100%;
  background: transparent;
  color: #888;
  border: 1px solid #444;
  padding: 8px;
  font-size: 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 5px;
}

/* Enemy Info Panel */
#enemy-panel {
  position: fixed;
  bottom: 10px;
  right: 10px;
  background: rgba(26, 26, 46, 0.95);
  border-radius: 8px;
  padding: 15px;
  z-index: 100;
  min-width: 220px;
}

#enemy-info h3 {
  margin-bottom: 10px;
  color: #ff6600;
}

#enemy-info p {
  font-size: 14px;
  color: #aaa;
  margin: 5px 0;
}

#enemy-info .enemy-special {
  color: #ffcc00;
  font-weight: bold;
}

#enemy-info .enemy-weak {
  color: #88ff88;
}

#enemy-info .enemy-strong {
  color: #ff8888;
}

#enemy-close {
  width: 100%;
  background: transparent;
  color: #888;
  border: 1px solid #444;
  padding: 8px;
  font-size: 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 10px;
}

#enemy-panel.killed {
  opacity: 0.8;
  border: 1px solid #ff4444;
}

#enemy-info .enemy-killed {
  color: #ff4444;
  font-weight: bold;
  font-size: 16px;
  text-transform: uppercase;
}


/* Chat Panel */
#chat-panel {
  position: fixed;
  bottom: 10px;
  left: 320px;
  width: 280px;
  background: rgba(26, 26, 46, 0.95);
  border-radius: 8px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  max-height: 300px;
}

#chat-panel.lobby-mode {
  left: 10px;
}

#chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid #333;
  cursor: pointer;
}

#chat-close {
  background: none;
  border: none;
  color: #888;
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

#chat-close:hover {
  color: #ff6666;
}

#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  max-height: 200px;
}

.chat-message {
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.4;
}

.chat-message.system {
  color: #888;
  font-style: italic;
}

.chat-time {
  color: #666;
  font-size: 11px;
  margin-right: 5px;
}

.chat-nickname {
  color: #6a9fff;
  font-weight: bold;
  margin-right: 5px;
}

.chat-nickname.own {
  color: #44ff44;
}

.chat-text {
  color: #ddd;
}

#chat-input-container {
  display: flex;
  padding: 10px;
  border-top: 1px solid #333;
  gap: 5px;
}

#chat-input {
  flex: 1;
  background: #1a1a2e;
  border: 1px solid #333;
  border-radius: 4px;
  padding: 8px;
  color: white;
  font-size: 13px;
}

#chat-send {
  background: #4a4a8a;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
}

#chat-send:hover {
  background: #6a6aaa;
}

/* Pause Overlay */
#pause-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 200;
}

#pause-content {
  background: #1a1a2e;
  padding: 40px;
  border-radius: 12px;
  text-align: center;
}

#pause-content h2 {
  font-size: 36px;
  margin-bottom: 15px;
}

#paused-by {
  color: #aaa;
  margin-bottom: 25px;
}

#resume-btn {
  background: #228822;
  color: white;
  border: none;
  padding: 15px 40px;
  font-size: 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

#resume-btn:hover {
  background: #33aa33;
}

/* Vote Modal */
#vote-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 300;
}

#vote-content {
  background: #1a1a2e;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  min-width: 300px;
}

#vote-content h3 {
  margin-bottom: 15px;
  color: #ff8800;
}

#vote-target {
  font-size: 18px;
  margin-bottom: 10px;
}

#vote-count {
  color: #aaa;
  margin-bottom: 20px;
}

#vote-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
}

#vote-yes {
  background: #228822;
  color: white;
  border: none;
  padding: 10px 30px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
}

#vote-no {
  background: #882222;
  color: white;
  border: none;
  padding: 10px 30px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
}

/* Confirm Modal */
#confirm-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 300;
}

#confirm-content {
  background: #1a1a2e;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  min-width: 300px;
}

#confirm-content h3 {
  margin-bottom: 15px;
  color: #ff8800;
}

#confirm-message {
  font-size: 16px;
  color: #ddd;
  margin-bottom: 20px;
}

#confirm-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
}

#confirm-yes {
  background: #228822;
  color: white;
  border: none;
  padding: 10px 30px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
}

#confirm-yes:hover {
  background: #33aa33;
}

#confirm-no {
  background: #882222;
  color: white;
  border: none;
  padding: 10px 30px;
  font-size: 16px;
  border-radius: 6px;
  cursor: pointer;
}

#confirm-no:hover {
  background: #aa3333;
}

/* Responsiveness - Tower panel goes horizontal at 1024px */
@media (max-width: 1024px) {
  #tower-panel {
    left: 5px;
    right: 5px;
    max-width: none;
    bottom: 5px;
  }

  #tower-list {
    justify-content: center;
  }

  .tower-item {
    min-width: 100px;
    padding: 6px;
  }

  .tower-icon {
    width: 24px;
    height: 24px;
  }

  .tower-name {
    font-size: 11px;
  }

  .tower-stats {
    display: none;
  }

  #upgrade-panel,
  #enemy-panel {
    left: 50%;
    transform: translateX(-50%);
    right: auto;
    bottom: 100px;
  }

  /* Chat panel moves to left edge when tower panel is horizontal */
  #chat-panel {
    left: 10px;
    bottom: 100px;
  }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  #hud-left {
    padding: 8px 10px;
  }

  #hud-left div {
    font-size: 14px;
  }

  #pause-content {
    padding: 25px;
  }

  #pause-content h2 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  #tower-list {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 5px;
  }

  .tower-item {
    flex-direction: column;
    min-width: 60px;
    text-align: center;
  }

  .tower-info {
    width: 100%;
  }

  #chat-panel {
    width: calc(100% - 10px);
    left: 5px;
    bottom: 130px;
  }

  #game-menu-dropdown {
    min-width: 140px;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #1a1a2e;
}

::-webkit-scrollbar-thumb {
  background: #4a4a8a;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #6a6aaa;
}

/* Input Focus States */
input:focus {
  outline: none;
  border-color: #6a6aaa !important;
}

/* Button Transitions */
button {
  transition: background 0.2s, transform 0.1s;
}

button:active {
  transform: scale(0.98);
}