/* ==========================================================================
   BrainTrain - Styles Nonogramme (Picross)
   ========================================================================== */

.nonogram-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  gap: clamp(0.5rem, 1.5vh, 0.875rem);
}

/* --------------------------------------------------------------------------
   Structure de la Grille Nonogramme
   -------------------------------------------------------------------------- */
.nonogram-board-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  overflow-x: auto;
  padding: 0.25rem;
  box-sizing: border-box;
}

.nonogram-table {
  display: grid;
  background-color: #1C1917;
  border: 2.5px solid #1C1917;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  user-select: none;
  touch-action: manipulation;
  gap: 1px;
  overflow: hidden; /* Empêche les coins carrés des cellules de déborder des coins arrondis */
}

/* Zone d'angle supérieure gauche */
.nono-corner {
  background-color: #F5F3EF;
  box-shadow: inset -2.5px -2.5px 0 #1C1917;
}

/* En-tête d'indices Colonnes (Haut) */
.nono-col-header {
  background-color: #F5F3EF;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 4px 1px;
  gap: 2px;
  box-shadow: inset 0 -2.5px 0 #1C1917;
  font-size: clamp(0.6875rem, 2.4vw, 0.8125rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.nono-col-header.border-right-thick {
  box-shadow: inset -2px -2.5px 0 #1C1917;
}

/* En-tête d'indices Lignes (Gauche) */
.nono-row-header {
  background-color: #F5F3EF;
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  padding: 1px 6px;
  gap: 4px;
  box-shadow: inset -2.5px 0 0 #1C1917;
  font-size: clamp(0.6875rem, 2.4vw, 0.8125rem);
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
}

.nono-row-header.border-bottom-thick {
  box-shadow: inset -2.5px -2px 0 #1C1917;
}

.nono-clue-num {
  display: inline-block;
  min-width: 12px;
  text-align: center;
  transition: opacity 150ms ease, color 150ms ease;
}

.nono-clue-num.completed {
  color: var(--text-muted);
  opacity: 0.35;
  text-decoration: line-through;
}

/* Cellules de jeu */
.nono-cell {
  background-color: var(--bg-surface);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: clamp(0.75rem, 3.5vw, 1.125rem);
  font-weight: 800;
  transition: background-color 100ms ease, transform 80ms ease;
  user-select: none;
  box-sizing: border-box;
}

.nono-cell:hover {
  background-color: #F5F3FF;
}

.nono-cell:active {
  transform: scale(0.92);
}

/* Lignes de repère plus épaisses pour faciliter le comptage */
.nono-cell.border-right-thick {
  box-shadow: inset -2px 0 0 #1C1917;
}

.nono-cell.border-bottom-thick {
  box-shadow: inset 0 -2px 0 #1C1917;
}

.nono-cell.border-right-thick.border-bottom-thick {
  box-shadow: inset -2px -2px 0 #1C1917;
}

/* État : Remplie */
.nono-cell.filled {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #3730A3 100%);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3), 0 1px 2px rgba(0, 0, 0, 0.15);
  animation: cellPop 150ms ease-out;
}

.nono-cell.filled.border-right-thick {
  box-shadow: inset -2px 0 0 #1C1917, inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.nono-cell.filled.border-bottom-thick {
  box-shadow: inset 0 -2px 0 #1C1917, inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.nono-cell.filled.border-right-thick.border-bottom-thick {
  box-shadow: inset -2px -2px 0 #1C1917, inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

/* État : Croix */
.nono-cell.crossed {
  background-color: #FAF8F5;
  color: var(--accent-coral);
}

.nono-cell.crossed::after {
  content: '✕';
  font-size: clamp(0.75rem, 3.5vw, 1.125rem);
  font-weight: 900;
  line-height: 1;
}

/* Erreur */
.nono-cell.error {
  background-color: #FEE2E2 !important;
  color: #DC2626 !important;
}

@keyframes cellPop {
  0% { transform: scale(0.7); }
  100% { transform: scale(1); }
}

/* --------------------------------------------------------------------------
   Barre de Contrôle des Modes Nonogramme (Remplir / Marquer)
   -------------------------------------------------------------------------- */
.nono-mode-bar {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  max-width: 420px;
}

.nono-mode-btn {
  flex: 1;
  min-height: 44px;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.nono-mode-btn.active {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.nono-mode-btn.mode-cross.active {
  background-color: #1C1917;
  border-color: #1C1917;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(28, 25, 23, 0.25);
}