/* ==========================================================================
   Visualizer Stylesheet - Richard Jensen Academic Website
   Interactive simulators for Rough and Fuzzy-Rough Sets
   Fully responsive across mobile (dvh units), tablet, and desktop.
   ========================================================================== */

:root {
  --crisp-in-color: #ff6ac1;
  --crisp-out-color: #ffb86c;
  --crisp-lower-fill: rgba(224, 82, 99, 0.6);
  --crisp-upper-fill: rgba(255, 106, 193, 0.4);
  --fuzzy-lower-color: rgb(255, 87, 87);
  --fuzzy-upper-color: rgb(87, 199, 255);
}

/* Visibility Toggles based on data-mode and data-similarity */
body[data-mode="crisp"] .crisp-params { display: flex !important; }
body[data-mode="crisp"] .fuzzy-params { display: none !important; }
body[data-mode="fuzzy"] .crisp-params { display: none !important; }
body[data-mode="fuzzy"] .fuzzy-params { display: flex !important; flex-direction: column; gap: 0.75rem; }

body[data-similarity="linear"] .linear-params { display: flex !important; }
body[data-similarity="linear"] .gaussian-params { display: none !important; }
body[data-similarity="gaussian"] .linear-params { display: none !important; }
body[data-similarity="gaussian"] .gaussian-params { display: flex !important; }

.visualizer-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
  overflow-x: auto;
}

.vis-tab-btn {
  background: none;
  border: none;
  padding: 0.65rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.vis-tab-btn:hover {
  background: var(--bg-alt);
  color: var(--primary);
}

.vis-tab-btn.active {
  background: var(--primary);
  color: var(--text-inverse);
}

.vis-pane {
  display: none;
}

.vis-pane.active {
  display: block;
}

/* ==========================================================================
   Crisp vs Fuzzy 2D Canvas Visualizer
   ========================================================================== */

.crisp-vis-wrapper {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.vis-controls-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.vis-control-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.vis-control-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.vis-control-group select,
.vis-control-group input[type="number"] {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
}

.vis-control-group input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

.vis-control-group small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.vis-canvas-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #181d24;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  min-height: 520px;
}

#mainCanvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  background: #0d1117;
  cursor: crosshair;
}

.vis-canvas-meta {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0.5rem 0;
  color: #94a3b8;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.legend-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.fuzzy-point-legend {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 87, 87, 1) 50%, transparent 51%);
  border: 2px solid var(--fuzzy-upper-color, rgb(87, 199, 255));
  display: inline-block;
  flex-shrink: 0;
}

/* ==========================================================================
   3D Surface Visualizer
   ========================================================================== */

.surface-vis-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.surface-controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.graph3d-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  min-height: 540px;
}

.graph3d-card {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: var(--radius-md);
  padding: 1rem;
  position: relative;
  min-height: 500px;
  display: flex;
  flex-direction: column;
}

.graph3d-card h4 {
  color: #f8fafc;
  font-size: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.graph3d-viewport {
  width: 100%;
  flex: 1;
  min-height: 450px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 992px) {
  .crisp-vis-wrapper {
    grid-template-columns: 1fr;
  }
  
  .graph3d-stage {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .surface-controls-grid {
    grid-template-columns: 1fr;
  }
}