/* ===== BLOCK DIAGRAM PAGE STYLES ===== */

.page-container {
  padding-top: 64px;
}

.diagram-section {
  padding: 2rem 0 4rem;
}

.diagram-card {
  padding: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.diagram-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.diagram-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}

/* Toggle Switch */
.anim-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;


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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255,255,255,0.1);
  transition: .3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

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

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

/* SVG Styles */
.diagram-wrap {
  width: 100%;
  overflow-x: auto;
  margin-bottom: 2rem;
  background: rgba(8, 12, 20, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.filter-svg {
  width: 100%;
  min-width: 700px;
  height: auto;
  display: block;
}

.sig-line {
  fill: none;
  stroke: rgba(255,255,255,0.3);
  stroke-width: 3;
  transition: stroke 0.3s ease;
}

.sig-line.active {
  stroke: var(--accent-cyan);
  filter: url(#glow);
}

.svg-text {
  font-family: var(--font-mono);
  fill: var(--text-primary);
  text-anchor: middle;
  dominant-baseline: central;
}

.label {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 20px;
  fill: var(--accent-blue);
}

.coeff {
  font-size: 16px;
  fill: var(--accent-purple);
}

.node-dot {
  fill: var(--text-primary);
}

.svg-rect {
  fill: rgba(59,130,246,0.1);
  stroke: var(--accent-blue);
  stroke-width: 2;
}

.delay-block {
}

.svg-shape {
  fill: rgba(139,92,246,0.1);
  stroke: var(--accent-purple);
  stroke-width: 2;
}

.adder-block {
  fill: rgba(6,182,212,0.1);
  stroke: var(--accent-cyan);
}

.adder-plus {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 700;
  fill: var(--accent-cyan);
}

/* Particles */
.particle {
  fill: var(--accent-cyan);
  filter: url(#glow);
}

/* Components Section */
.components-section {
  padding: 4rem 0 6rem;
}

.block-icon {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.delay-icon { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.mult-icon  { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.add-icon   { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

.z-icon {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.2rem;
}

@media (max-width: 768px) {
  .diagram-card { padding: 1.5rem; }
  .diagram-wrap { padding: 1rem; }
}

/* Light Mode Overrides for svg diagram */
[data-theme="light"] .diagram-wrap {
  background: var(--bg-card);
}
[data-theme="light"] .sig-line:not(.active) {
  stroke: rgba(0, 0, 0, 0.15);
}
[data-theme="light"] .toggle-slider {
  background-color: rgba(0, 0, 0, 0.15);
}
[data-theme="light"] .block-icon {
  background: rgba(0, 0, 0, 0.05);
}