/* Enable Equation interactive demo — scoped styles */
/* Inherits Inter font + CSS variables from /assets/style.css */

#enable-equation-demo {
  display: block;
  margin: 2rem 0 0;
  font-family: inherit;
  color: var(--text);
}

#enable-equation-demo *,
#enable-equation-demo *::before,
#enable-equation-demo *::after {
  box-sizing: border-box;
}

/* ---------- Status panel ---------- */
.eeq-status {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: background 160ms ease, border-color 160ms ease;
}

.eeq-status.eeq-pass {
  background: #ecf7ed;
  border-color: #6fbf73;
}

.eeq-status.eeq-fail {
  background: #fdecea;
  border-color: #d83b01;
}

.eeq-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.25rem 2rem;
  margin-bottom: 0.6rem;
}

.eeq-enabled-label {
  font-family: 'Consolas', 'SF Mono', 'Menlo', 'Courier New', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.eeq-status.eeq-pass .eeq-enabled-label {
  color: #107c10;
}

.eeq-status.eeq-fail .eeq-enabled-label {
  color: #d83b01;
}

.eeq-metric {
  font-family: 'Consolas', 'SF Mono', 'Menlo', 'Courier New', monospace;
  font-size: 1rem;
  color: var(--text-secondary);
}

.eeq-metric strong {
  color: var(--text);
  font-weight: 700;
}

.eeq-explainer {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.eeq-explainer code {
  background: rgba(0, 0, 0, 0.06);
  color: var(--accent-deep);
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  font-size: 0.88em;
}

/* ---------- Controls bar ---------- */
.eeq-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.eeq-btn {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.6rem 1.1rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text);
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.eeq-btn:hover {
  background: var(--bg-subtle);
  border-color: var(--accent);
  color: var(--accent);
}

.eeq-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.eeq-btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.eeq-btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
}

/* ---------- Gate grid ---------- */
.eeq-gates {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}

.eeq-gate {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.eeq-gate.eeq-gate-fail {
  border-color: #d83b01;
  box-shadow: 0 0 0 1px rgba(216, 59, 1, 0.15) inset;
}

.eeq-gate.eeq-gate-weakest {
  background: #fdecea;
}

.eeq-gate-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.15rem;
}

.eeq-gate-id {
  font-family: 'Consolas', 'SF Mono', 'Menlo', 'Courier New', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-deep);
}

.eeq-gate.eeq-gate-fail .eeq-gate-id {
  color: #d83b01;
}

.eeq-gate-value {
  font-family: 'Consolas', 'SF Mono', 'Menlo', 'Courier New', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.eeq-gate-desc {
  margin: 0 0 0.55rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ---------- Slider track with 0.5 tick ---------- */
.eeq-slider-wrap {
  position: relative;
  padding: 0.35rem 0 0.85rem;
}

.eeq-slider-wrap input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  accent-color: var(--accent);
  cursor: pointer;
  margin: 0;
}

.eeq-slider-wrap input[type='range']:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* WebKit thumb */
.eeq-slider-wrap input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

/* Firefox thumb */
.eeq-slider-wrap input[type='range']::-moz-range-thumb {
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

.eeq-tick {
  position: absolute;
  left: 50%;
  top: 0.1rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--text-muted);
  transform: translateX(-50%);
  pointer-events: none;
  opacity: 0.55;
}

.eeq-tick-label {
  position: absolute;
  left: 50%;
  bottom: -0.1rem;
  transform: translateX(-50%);
  font-family: 'Consolas', 'SF Mono', 'Menlo', 'Courier New', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .eeq-gates {
    grid-template-columns: 1fr;
  }
  .eeq-status-row {
    gap: 0.6rem 1.25rem;
  }
  .eeq-enabled-label {
    font-size: 1.25rem;
  }
}