/* Schulte Table Specific Styles */

/* Grid and Card Elements */
.schulte-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.grid-mode-selector {
  display: flex;
  background-color: var(--control-bg);
  padding: 0.25rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--viewport-border);
}

.grid-mode-selector .mode-btn {
  background: none;
  border: none;
  padding: 0.5rem 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.grid-mode-selector .mode-btn.active {
  background-color: var(--card-bg);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

/* SCOREBOARD STYLING */
.schulte-scoreboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.score-card {
  background-color: var(--viewport-bg);
  border: 1px solid var(--viewport-border);
  border-radius: var(--border-radius-md);
  padding: 0.8rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
}

.score-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.score-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-color);
}

/* SCHULTE GRID CANVAS WRAPPER */
.schulte-grid-wrapper {
  position: relative;
  max-width: 440px;
  width: 100%;
  margin: 0 auto 2.5rem auto;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--viewport-border);
  background-color: var(--viewport-bg);
  transition: border-color 0.3s ease;
}

#schulte-grid {
  display: grid;
  width: 100%;
  gap: 3px; /* spacing between grid lines */
  background-color: var(--viewport-border);
  transition: background-color 0.3s ease;
}

#schulte-grid.grid-3x3 { grid-template-columns: repeat(3, 1fr); }
#schulte-grid.grid-4x4 { grid-template-columns: repeat(4, 1fr); }
#schulte-grid.grid-5x5 { grid-template-columns: repeat(5, 1fr); }

/* GRID CELLS */
.schulte-cell {
  background-color: var(--card-bg);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-color);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.2s, color 0.2s, font-size 0.2s;
  border: none;
  outline: none;
}

.grid-3x3 .schulte-cell { font-size: 2.2rem; }
.grid-4x4 .schulte-cell { font-size: 1.8rem; }
.grid-5x5 .schulte-cell { font-size: 1.5rem; }

@media (max-width: 480px) {
  .grid-3x3 .schulte-cell { font-size: 1.8rem; }
  .grid-4x4 .schulte-cell { font-size: 1.5rem; }
  .grid-5x5 .schulte-cell { font-size: 1.2rem; }
}

.schulte-cell:hover:not(:disabled) {
  background-color: var(--viewport-bg);
}

.schulte-cell:active:not(:disabled) {
  background-color: var(--control-hover);
}

.schulte-cell:disabled {
  cursor: default;
}

/* Center Eye fixation crosshair */
.gaze-anchor-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(239, 68, 68, 0.3); /* faint, very thin red ring */
  border-radius: 50%;
  background-color: transparent;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 2;
  opacity: 0.7;
  transition: opacity 0.3s;
}

body.dark-theme .gaze-anchor-crosshair {
  border-color: rgba(239, 68, 68, 0.35);
}

/* ACTIONS */
.schulte-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}

/* ========================================== */
/* GAME STATE ANIMATIONS */
/* ========================================== */

/* Success click flash keyframe */
@keyframes cell-success {
  0% { background-color: #22c55e; color: white; }
  100% { background-color: var(--card-bg); color: var(--text-color); }
}

.cell-success-click {
  animation: cell-success 0.4s ease-out;
}

/* Cell complete state */
.cell-completed {
  color: var(--text-muted) !important;
  opacity: 0.3;
  cursor: default !important;
  pointer-events: none;
}

/* Shake animation for errors */
@keyframes grid-shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.grid-error-shake {
  animation: grid-shake 0.35s ease-in-out;
  border-color: #ef4444 !important;
}

@keyframes cell-error {
  0% { background-color: #ef4444; color: white; }
  100% { background-color: var(--card-bg); color: var(--text-color); }
}

.cell-error-click {
  animation: cell-error 0.4s ease-out;
}