/* === Game Page: Canvas, Sidebar, Player Cards, Chat, Move History, Drag Zone === */

#canvas-container {
  position: relative;
  line-height: 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

#game-canvas {
  display: block;
  image-rendering: pixelated;
  cursor: pointer;
}

#canvas-container.shake {
  animation: cameraShake 0.2s ease-out;
}

@keyframes cameraShake {
  0%   { transform: translate(0, 0); }
  15%  { transform: translate(-3px, 2px); }
  30%  { transform: translate(3px, -2px); }
  45%  { transform: translate(-2px, -3px); }
  60%  { transform: translate(2px, 3px); }
  75%  { transform: translate(-1px, 1px); }
  100% { transform: translate(0, 0); }
}

.game-sidebar {
  width: 280px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.sidebar-card {
  background: var(--color-surface);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 14px 16px;
}

.section-title {
  font-size: 10px;
  color: var(--color-text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
}

.vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px 0;
}

.vs-divider span {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 1px;
  background: var(--color-surface);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.player-card {
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.player-card.card-active {
  border-color: rgba(var(--color-primary-rgb), 0.3);
  box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.06);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-avatar {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.card-avatar.pl-avatar {
  background: linear-gradient(135deg, var(--color-primary), #a8cc00);
  color: #000;
}

.card-avatar.opp-avatar {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
}

.card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-elo {
  font-size: 11px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.card-score {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  flex-shrink: 0;
  letter-spacing: -1px;
}

#card-opponent .card-score {
  color: var(--color-accent);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.card-clock {
  font-size: 14px;
  font-weight: 600;
  color: #ccc;
}

.card-edges {
  font-size: 11px;
  color: var(--color-text-dim);
  font-weight: 500;
}

.move-history-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.move-history-list {
  overflow-y: auto;
  height: 120px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.move-row {
  display: flex;
  gap: 8px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  font-size: 11px;
}

.move-row:nth-child(odd) {
  background: rgba(255,255,255,0.02);
}

.move-num {
  color: var(--color-text-dimmest);
  width: 22px;
  text-align: right;
  flex-shrink: 0;
  font-weight: 500;
}

.move-text {
  font-weight: 500;
  color: var(--color-text-muted);
}

.move-text.player-move {
  color: var(--color-primary);
}

.move-text.bot-move {
  color: var(--color-accent);
}

.chat-section {
  display: flex;
  flex-direction: column;
}

.chat-messages {
  overflow-y: auto;
  max-height: 80px;
  min-height: 40px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 8px;
}

.chat-msg {
  padding: 3px 0;
  color: #888;
  font-size: 11px;
}

.chat-msg .chat-author {
  color: var(--color-primary);
  margin-right: 4px;
  font-weight: 600;
}

.chat-input-row {
  display: flex;
  gap: 6px;
}

#chat-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  color: #ccc;
  padding: 8px 12px;
  font-size: 12px;
  border-radius: var(--radius-full);
  outline: none;
  font-family: inherit;
  transition: border-color var(--transition-base);
}

#chat-input:focus {
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

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

#btn-chat-send {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border: none;
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

#btn-chat-send:hover {
  background: var(--color-primary-hover);
  transform: scale(1.05);
}

.actions-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-resign {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 69, 58, 0.1);
  border: 1px solid rgba(255, 69, 58, 0.2);
  color: var(--color-danger);
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-full);
  font-family: inherit;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-resign:hover {
  background: rgba(255, 69, 58, 0.2);
  border-color: rgba(255, 69, 58, 0.4);
}