/* ===================================
   Training Mode - Specific Styles
   =================================== */

/* Training Mode Color Palette */
:root {
  /* Move quality colors (Chess.com inspired) */
  --move-best: #96bc4b;
  --move-best-bg: rgba(150, 188, 75, 0.15);
  --move-good: #8bc44a;
  --move-good-bg: rgba(139, 196, 74, 0.15);
  --move-inaccuracy: #f7c631;
  --move-inaccuracy-bg: rgba(247, 198, 49, 0.15);
  --move-mistake: #e6912c;
  --move-mistake-bg: rgba(230, 145, 44, 0.15);
  --move-blunder: #ca3431;
  --move-blunder-bg: rgba(202, 52, 49, 0.15);
  
  /* Evaluation colors */
  --eval-positive: #4ade80;
  --eval-negative: #f87171;
  --eval-neutral: #94a3b8;
}


/* ===================================
   Training Content Layout
   =================================== */

.training-content {
  flex: 1;
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  gap: var(--space-xl);
  padding: var(--space-xl);
  max-width: 1500px;
  margin: 0 auto;
  width: 100%;
  align-items: start;
}

@media (max-width: 1300px) {
  .training-content {
    grid-template-columns: 1fr;
    max-width: 800px;
  }
  
  .training-left-panel,
  .training-right-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
  }
}

/* ===================================
   Left Panel
   =================================== */

.training-left-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Override global .actions flex direction for the training left panel */
.training-left-panel .actions {
  flex-direction: column;
}

.btn-hint {
  background: linear-gradient(135deg, var(--move-best), #7ba63d);
  color: white;
  font-weight: 600;
}

.btn-hint:hover:not(:disabled) {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-analysis-link {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  text-decoration: none;
}

.btn-analysis-link:hover {
  background: var(--surface-hover);
  color: var(--text);
}

/* ===================================
   Game Section
   =================================== */

.training-game-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

/* Turn Indicator Row with Evaluation Bar */
.training-turn-row {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  width: 100%;
  justify-content: center;
}

/* Evaluation Bar */
.evaluation-bar-container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.evaluation-bar {
  width: 160px;
  height: 24px;
  background: linear-gradient(90deg, var(--eval-negative) 0%, var(--eval-negative) 50%, var(--eval-positive) 50%, var(--eval-positive) 100%);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.eval-fill {
  position: absolute;
  top: 0;
  height: 100%;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.eval-fill.player1 {
  left: 50%;
  width: 0%;
  background: var(--player1);
}

.eval-fill.player2 {
  right: 50%;
  width: 0%;
  background: var(--player2);
}

.eval-center-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: white;
  transform: translateX(-50%);
  opacity: 0.8;
  z-index: 2;
}

.eval-value {
  font-size: 0.875rem;
  font-weight: 700;
  min-width: 40px;
  text-align: center;
  color: var(--text);
}

.eval-value.positive {
  color: var(--eval-positive);
}

.eval-value.negative {
  color: var(--eval-negative);
}

/* Board Wrapper with Feedback */
.training-board-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  position: relative;
}

/* Feedback Panel */
.feedback-panel {
  width: 100%;
  max-width: calc(7 * var(--cell-size) + 6 * var(--cell-gap) + 2 * var(--board-padding));
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: var(--space-md) var(--space-lg);
  transition: all var(--transition-normal);
}

.feedback-content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.feedback-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: all var(--transition-normal);
  background: var(--surface-hover);
  color: var(--text-secondary);
}

.feedback-icon.best {
  background: var(--move-best-bg);
  color: var(--move-best);
}

.feedback-icon.good {
  background: var(--move-good-bg);
  color: var(--move-good);
}

.feedback-icon.inaccuracy {
  background: var(--move-inaccuracy-bg);
  color: var(--move-inaccuracy);
}

.feedback-icon.mistake {
  background: var(--move-mistake-bg);
  color: var(--move-mistake);
}

.feedback-icon.blunder {
  background: var(--move-blunder-bg);
  color: var(--move-blunder);
}

.feedback-text h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text);
}

.feedback-text p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.feedback-hint {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--move-best);
  display: none;
}

.feedback-hint.visible {
  display: block;
}

/* ===================================
   Right Panel - Stats & Chart
   =================================== */

.training-right-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Session Stats */
.session-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.session-stat {
  text-align: center;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.session-stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-light);
}

.session-stat-value.accuracy {
  color: var(--move-best);
}

.session-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Move Stats */
.move-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.move-stat {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
}

.move-stat.best {
  border-left-color: var(--move-best);
}

.move-stat.good {
  border-left-color: var(--move-good);
}

.move-stat.inaccuracy {
  border-left-color: var(--move-inaccuracy);
}

.move-stat.mistake {
  border-left-color: var(--move-mistake);
}

.move-stat.blunder {
  border-left-color: var(--move-blunder);
}

.move-stat-icon {
  font-size: 1rem;
  color: var(--text-muted);
  width: 24px;
  text-align: center;
}

.move-stat.best .move-stat-icon { color: var(--move-best); }
.move-stat.good .move-stat-icon { color: var(--move-good); }
.move-stat.inaccuracy .move-stat-icon { color: var(--move-inaccuracy); }
.move-stat.mistake .move-stat-icon { color: var(--move-mistake); }
.move-stat.blunder .move-stat-icon { color: var(--move-blunder); }

.move-stat-value {
  font-size: 1rem;
  font-weight: 700;
  min-width: 24px;
}

.move-stat.best .move-stat-value { color: var(--move-best); }
.move-stat.good .move-stat-value { color: var(--move-good); }
.move-stat.inaccuracy .move-stat-value { color: var(--move-inaccuracy); }
.move-stat.mistake .move-stat-value { color: var(--move-mistake); }
.move-stat.blunder .move-stat-value { color: var(--move-blunder); }

.move-stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  flex: 1;
}

/* Chart Section */
.chart-section {
  min-height: 180px;
}

.evaluation-chart-container {
  height: 140px;
  position: relative;
}

/* Moves List */
.moves-section {
  max-height: 250px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.moves-list {
  flex: 1;
  overflow-y: auto;
  padding-right: var(--space-sm);
}

.moves-empty {
  text-align: center;
  padding: var(--space-lg);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.move-pair {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--border);
}

.move-number {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 24px;
}

.move {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  flex: 1;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.move:hover {
  filter: brightness(1.2);
}

.move.player1 {
  background: rgba(244, 63, 94, 0.2);
  color: var(--player1);
}

.move.player2 {
  background: rgba(250, 204, 21, 0.2);
  color: var(--player2);
}

.move.best::after { content: " ✓✓"; color: var(--move-best); }
.move.good::after { content: " ✓"; color: var(--move-good); }
.move.inaccuracy::after { content: " ?!"; color: var(--move-inaccuracy); }
.move.mistake::after { content: " ?"; color: var(--move-mistake); }
.move.blunder::after { content: " ??"; color: var(--move-blunder); }

.move.current {
  box-shadow: 0 0 0 2px var(--accent);
}

/* ===================================
   Game Status (End of Game)
   =================================== */

.training-game-section .status-content {
  max-width: 400px;
}

.game-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.summary-item {
  text-align: center;
}

.summary-item .label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.summary-item .value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
}

.summary-item .value.accuracy { color: var(--move-best); }
.summary-item .value.best { color: var(--move-best); }
.summary-item .value.blunder { color: var(--move-blunder); }

.status-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.btn-analysis {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-analysis:hover {
  background: var(--surface-hover);
}

/* ===================================
   Animations
   =================================== */

@keyframes feedbackSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feedback-panel.animate {
  animation: feedbackSlideIn 0.3s ease-out;
}

@keyframes evalPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.eval-value.changing {
  animation: evalPulse 0.5s ease-in-out;
}

/* Thinking indicator for training mode */
.training-game-section .board-container.thinking::after {
  content: "IA réfléchit...";
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: var(--text-secondary);
  animation: pulse 1s ease-in-out infinite;
}

/* ===================================
   Scrollbar Styling
   =================================== */

.moves-list::-webkit-scrollbar {
  width: 6px;
}

.moves-list::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 3px;
}

.moves-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.moves-list::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* ===================================
   Panel section header with action
   =================================== */

.panel-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.btn-reset-stats {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
  line-height: 1;
}

.btn-reset-stats:hover {
  border-color: var(--move-blunder);
  color: var(--move-blunder);
  background: var(--move-blunder-bg);
}

/* Column scores header with inline restart */
.column-scores-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.column-scores-header h3,
.panel-section-header h3 {
  margin-bottom: 0;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.75rem;
  gap: 4px;
}

/* Hide inline restart button on wide screens (left panel is always visible) */
@media (min-width: 1301px) {
  #resetBtnInline {
    display: none;
  }
}

/* ===================================
   Guided Review Modal
   =================================== */

.review-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.review-modal.hidden {
  display: none;
}

.review-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.review-dialog {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.5);
}

/* Header */
.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: var(--space-md);
}

.review-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.review-header-left h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}

.review-header-left > i {
  font-size: 1.25rem;
  color: var(--accent-light);
}

.review-progress {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: 4px 14px;
  border-radius: 20px;
  flex-shrink: 0;
}

.review-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.review-close-btn:hover {
  color: var(--text);
  background: var(--surface-hover);
}

/* Perfect game screen */
.review-perfect-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: calc(var(--space-xl) * 2) var(--space-xl);
  text-align: center;
  flex: 1;
}

.review-perfect-screen.hidden {
  display: none;
}

.review-perfect-icon {
  font-size: 3.5rem;
  color: var(--move-best);
  animation: pulse 2s ease-in-out infinite;
}

.review-perfect-screen h3 {
  font-size: 1.5rem;
  color: var(--move-best);
  margin: 0;
}

.review-perfect-screen p {
  color: var(--text-secondary);
  max-width: 380px;
  line-height: 1.6;
  margin: 0;
}

/* Review body */
.review-body {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-xl);
  flex: 1;
  overflow: auto;
  min-height: 0;
}

.review-body.hidden {
  display: none;
}

/* Board section */
.review-board-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.review-move-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Column indicators */
.review-col-indicators {
  display: grid;
  grid-template-columns: repeat(7, 44px);
  gap: 4px;
}

.review-col-indicator {
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

.review-col-indicator.best {
  background: var(--move-best-bg);
  color: var(--move-best);
}

.review-col-indicator.best::before {
  content: "▼";
}

/* Mini board grid */
.review-board-grid {
  display: grid;
  grid-template-columns: repeat(7, 44px);
  gap: 4px;
  background: #1a2840;
  padding: 10px;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 4px 16px rgba(0, 0, 0, 0.5);
}

.review-cell {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #0d1b2e;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
  transition: box-shadow var(--transition-fast);
}

.review-cell.player1 {
  background: var(--player1);
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.25), 0 2px 6px rgba(244, 63, 94, 0.3);
}

.review-cell.player2 {
  background: var(--player2);
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.25), 0 2px 6px rgba(250, 204, 21, 0.3);
}

.review-cell.mistake-highlight {
  box-shadow: 0 0 0 3px var(--move-blunder), 0 0 14px rgba(202, 52, 49, 0.6) !important;
  filter: brightness(0.85);
}

.review-cell.best-move-ghost {
  background: rgba(150, 188, 75, 0.35) !important;
  box-shadow: 0 0 0 3px var(--move-best), 0 0 14px rgba(150, 188, 75, 0.5) !important;
}

/* Move info row below board */
.review-move-info {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.review-badge {
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.72rem;
  white-space: nowrap;
}

.review-badge.played              { background: var(--surface-hover); color: var(--text-secondary); }
.review-badge.played.inaccuracy   { background: var(--move-inaccuracy-bg); color: var(--move-inaccuracy); }
.review-badge.played.mistake      { background: var(--move-mistake-bg); color: var(--move-mistake); }
.review-badge.played.blunder      { background: var(--move-blunder-bg); color: var(--move-blunder); }
.review-badge.best                { background: var(--move-best-bg); color: var(--move-best); }

.review-quality-text { font-weight: 800; font-size: 0.8rem; }
.review-quality-text.inaccuracy   { color: var(--move-inaccuracy); }
.review-quality-text.mistake      { color: var(--move-mistake); }
.review-quality-text.blunder      { color: var(--move-blunder); }

.review-arrow { color: var(--text-muted); font-size: 0.9rem; }

/* Explanation section */
.review-explanation-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  min-width: 0;
}

.review-quality-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.review-quality-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  font-size: 1.6rem;
  flex-shrink: 0;
}

.review-quality-icon.inaccuracy { background: var(--move-inaccuracy-bg); color: var(--move-inaccuracy); }
.review-quality-icon.mistake    { background: var(--move-mistake-bg);    color: var(--move-mistake); }
.review-quality-icon.blunder    { background: var(--move-blunder-bg);    color: var(--move-blunder); }

.review-quality-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 4px;
}

h3.inaccuracy { color: var(--move-inaccuracy); }
h3.mistake    { color: var(--move-mistake); }
h3.blunder    { color: var(--move-blunder); }

.review-quality-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin: 0;
}

.review-explanation {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--border);
}

/* Score comparison */
.review-score-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.review-score-item { flex: 1; text-align: center; }

.review-score-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.review-score-val { font-size: 1.3rem; font-weight: 700; }
.review-score-item.played .review-score-val { color: var(--move-blunder); }
.review-score-item.best   .review-score-val { color: var(--move-best); }

.review-score-divider { color: var(--text-muted); font-size: 1.1rem; }

.review-show-best-btn { align-self: flex-start; }

/* Footer */
.review-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  gap: var(--space-md);
}

.review-footer.hidden { display: none; }

.review-dots {
  display: flex;
  gap: 7px;
  align-items: center;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

.review-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  opacity: 0.45;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.review-dot[data-quality="inaccuracy"] { background: var(--move-inaccuracy); }
.review-dot[data-quality="mistake"]    { background: var(--move-mistake); }
.review-dot[data-quality="blunder"]    { background: var(--move-blunder); }

.review-dot.active {
  opacity: 1;
  width: 26px;
  border-radius: 5px;
}

/* Utility inside the review dialog */
.review-dialog .hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 680px) {
  .review-body {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .review-explanation-section {
    width: 100%;
  }
}