/* ==========================================================================
   Sudoku Controls, Keypad & Dialog Components
   ========================================================================== */

/* Barra de Acciones (Deshacer, Borrar, Notas, Pista) */
.game-actions {
  display: flex;
  transition: all var(--transition-fast);
}

/* Modo Lateral: Botones a la derecha del tablero */
[data-actions-layout="side"] .game-actions {
  width: var(--actions-side-width, 92px);
  min-width: var(--actions-side-width, 92px);
  height: var(--board-size);
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
}

[data-actions-layout="side"] .action-btn {
  flex: 1;
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 4px;
  font-size: 0.78rem;
  border-radius: var(--radius-md);
}

/* Modo Inferior: Botones debajo del tablero */
[data-actions-layout="bottom"] .game-actions {
  width: 100%;
  max-width: var(--board-size);
  flex-direction: row;
  justify-content: space-between;
  gap: 6px;
  margin: 8px 0 4px;
}

[data-actions-layout="bottom"] .action-btn {
  flex: 1;
  padding: 6px 4px;
  font-size: 0.75rem;
}

.action-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-fast);
}

.action-btn:hover:not(:disabled) {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.action-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.action-icon {
  width: 20px;
  height: 20px;
}

.action-btn.is-active {
  background: var(--accent-light);
  border-color: var(--accent-primary);
  color: var(--accent-active);
}

.action-btn-accent {
  color: #d97706;
}

.action-btn-accent:hover:not(:disabled) {
  color: #b45309;
  background: #fef3c7;
}

.action-btn-layout {
  color: var(--text-secondary);
}

.action-btn-layout:hover:not(:disabled) {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.notes-status-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 1px 4px;
  border-radius: var(--radius-full);
  background: var(--bg-hover);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

.notes-status-badge.badge-active {
  background: #22c55e;
  color: #ffffff;
  border-color: #16a34a;
}

/* Teclado Numérico (Siempre debajo del tablero) */
.keypad-container {
  width: 100%;
  max-width: var(--stage-width);
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 5px;
  margin-top: 8px;
}

.keypad-btn {
  aspect-ratio: 0.88 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--accent-primary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  padding: 4px 2px;
  min-width: 0;
}

.keypad-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.keypad-btn:active {
  transform: scale(0.95);
}

.keypad-digit {
  font-size: clamp(1.1rem, calc(var(--board-size) / 16), 1.75rem);
  font-weight: 700;
  line-height: 1;
}

.keypad-badge {
  font-size: clamp(0.6rem, calc(var(--board-size) / 45), 0.72rem);
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 2px;
}

.keypad-btn.is-completed {
  opacity: 0.25;
  cursor: default;
  pointer-events: none;
  background: var(--bg-surface-elevated);
}

/* Diálogos & Modales (HTML5 Dialog) */
dialog {
  border: none;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 24px;
  max-width: 480px;
  width: 90vw;
  box-shadow: var(--shadow-xl);
  margin: auto;
  outline: none;
}

dialog::backdrop {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

dialog[open] {
  animation: modal-fade-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-fade-in {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-footer {
  margin-top: 24px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Lista de Dificultades */
.difficulty-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.difficulty-card {
  background: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.difficulty-card:hover {
  border-color: var(--accent-primary);
  background: var(--accent-light);
  transform: translateX(4px);
}

.difficulty-card.is-selected {
  border-color: var(--accent-primary);
  background: var(--accent-light);
}

.diff-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.diff-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.diff-clues {
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--bg-surface);
  color: var(--accent-primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
}

.diff-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 4px;
}

.diff-best-time {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

.diff-best-time strong {
  color: var(--accent-primary);
  font-weight: 700;
}

/* Ajustes & Formularios */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.setting-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.setting-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.setting-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.setting-select {
  padding: 8px 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-medium);
  transition: var(--transition-fast);
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* Estadísticas */
.stats-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 55vh;
  overflow-y: auto;
  padding-right: 4px;
}

.stat-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.stat-diff-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.stat-rows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  font-size: 0.82rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
}

.stat-highlight {
  color: #10b981;
}

/* Modal Victoria */
.victory-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 10px 0;
}

.victory-trophy {
  font-size: 3.5rem;
  animation: bounce-trophy 1s infinite alternate;
}

@keyframes bounce-trophy {
  from { transform: translateY(0) scale(1); }
  to { transform: translateY(-8px) scale(1.05); }
}

.victory-message {
  font-size: 1.4rem;
  font-weight: 800;
}

.victory-stats-box {
  width: 100%;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.v-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.v-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.v-stat-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-primary);
}

/* Solucionador Personalizado */
.custom-solver-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.solver-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  grid-template-rows: repeat(9, 1fr);
  width: 100%;
  max-width: 340px;
  aspect-ratio: 1 / 1;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.solver-input-cell {
  width: 100%;
  height: 100%;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 0.5px solid var(--border-light);
  outline: none;
}

.solver-input-cell:focus {
  background: var(--highlight-selected);
}

.solver-input-cell.border-right-box {
  border-right: 2px solid var(--border-strong);
}

.solver-input-cell.border-bottom-box {
  border-bottom: 2px solid var(--border-strong);
}

/* Botones Comunes */
.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  border: none;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-danger {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fca5a5;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.btn-danger:hover {
  background: #fecaca;
}