/* Heatpump Simulator Styles */

.heatpump-sim {
  max-width: 1000px;
  margin: 0 auto;
  font-family: system-ui, sans-serif;
}
.heatpump-sim .sim-controls {
  display: flex;
  flex-direction: column;
  gap: 0px;
  align-items: stretch;
  margin-bottom: 0px;
}
.heatpump-sim .sim-ctrl-row {
  display: grid;
  grid-template-columns: clamp(120px, 35vw, 400px) 1fr auto;
  align-items: center;
  gap: 8px;
}
.heatpump-sim select {
  width: 100%;
  padding: 4px 6px;
}
.heatpump-sim .sim-ctrl-row label {
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.heatpump-sim .sim-ctrl-row .info-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #eef6ff;
  color: #0a66c2;
  text-decoration: none;
  font-weight: 700;
  font-size: 12px;
  line-height: 1;
}
.heatpump-sim .sim-ctrl-row .info-link:hover {
  background: #dbeafe;
  text-decoration: none;
}

.heatpump-sim .sim-ctrl-row input[type="range"] {
  width: 100%;
}
.heatpump-sim .sim-ctrl-value {
  text-align: right;
  font-variant-numeric: tabular-nums;
  min-width: 120px;
}
.heatpump-sim .sim-diagram-wrap {
  position: relative;
  width: 100%;
}
.heatpump-sim .sim-svg {
  width: 100%;
  height: auto;
  display: block;
}
.heatpump-sim .label {
  font-size: 16px;
  dominant-baseline: middle;
  fill: #111;
  background: none;
}
.heatpump-sim .label-bold {
  font-weight: 700;
}
.odu {
  fill: #f6f8fa;
  stroke: #cbd5e1;
  stroke-width: 2;
}
.coil {
  fill: none;
  stroke: #9aa5b1;
  stroke-width: 6;
}
.coil.evap {
  stroke: #6ab3ff;
}
.coil.condenser {
  stroke: #ffb06a;
}
.compressor {
  fill: #ffe0c2;
  stroke: #c27d3a;
  stroke-width: 2;
}
.compressor-spiral {
  fill: none;
  stroke: #a85b16;
  stroke-width: 2;
}
.comp-spin {
  pointer-events: none;
}
.comp-rotor {
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}
.buffer {
  fill: #f7fbff;
  stroke: #94a3b8;
  stroke-width: 2;
}
.flow {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.flow.refrig {
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.15));
}
.flow.air {
  stroke: #66aaff;
  stroke-width: 6;
}
@keyframes dash-forward {
  to {
    stroke-dashoffset: -1000;
  }
}
@keyframes dash-reverse {
  to {
    stroke-dashoffset: 1000;
  }
}
.animate-forward {
  animation-name: dash-forward;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
.animate-reverse {
  animation-name: dash-reverse;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

/* Share icon placement and style */
.heatpump-sim .sim-diagram-wrap {
  position: relative;
}
.heatpump-sim .sim-sharebar {
  position: absolute;
  top: 8px;
  right: 8px;
}
.heatpump-sim #sim-share {
  cursor: pointer;
  vertical-align: middle;
}
.heatpump-sim #sim-share circle,
.heatpump-sim #sim-share line {
  stroke: #0070f3;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.heatpump-sim #sim-share:hover circle,
.heatpump-sim #sim-share:hover line {
  stroke: #0055b3;
}

/* Share popup overlay */
.sim-share-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5000;
}
.sim-share-popup {
  position: relative;
  z-index: 5001;
  background: #fff;
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
  max-width: 90vw;
  width: 560px;
}
.sim-share-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.sim-share-title {
  font-weight: 700;
  color: #0f172a;
  background: linear-gradient(90deg, #0ea5e9, #6366f1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sim-share-popup button {
  cursor: pointer;
}
.sim-share-close {
  font-size: 20px;
  line-height: 20px;
  border: none;
  background: transparent;
  color: #64748b;
}
.sim-share-close:hover {
  color: #0f172a;
}
.sim-share-popup p {
  margin: 12px 0 10px 0;
  color: #334155;
}
.sim-share-fields {
  display: flex;
  gap: 8px;
  align-items: center;
}
.sim-share-popup .sim-share-copy-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 0.95rem;
}
.sim-share-popup .sim-share-copy-input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.sim-share-popup .sim-share-copy-btn {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #6366f1;
  background: linear-gradient(90deg, #4f46e5, #0ea5e9);
  color: white;
  font-weight: 600;
}
.sim-share-popup .sim-share-copy-btn:hover {
  filter: brightness(1.05);
}
.sim-share-popup .sim-share-copy-btn:active {
  transform: translateY(1px);
}

/* Modulation label above compressor */
.heatpump-sim .tag-mod {
  font-weight: 700;
  font-size: 16px;
  paint-order: stroke fill;
  stroke: #fff;
  stroke-width: 3px;
  stroke-linejoin: round;
}

/* Metrics readability tweaks */
.heatpump-sim .tag-perf {
  font-size: 14px;
  paint-order: stroke fill; /* ensure outline sits behind fill */
  stroke: #fff;
  stroke-width: 1px; /* subtle halo for readability on busy background */
  stroke-linejoin: round;
}
.heatpump-sim .tag-perf .metric.label {
  fill: #333;
}
.heatpump-sim .tag-perf .metric.value {
  font-weight: 700;
  font-variant-numeric: tabular-nums; /* align numbers better */
}
.heatpump-sim .tag-perf .metric.sep {
  fill: #666;
}
/* COP fraction mini-visual */
.heatpump-sim .cop-box {
  fill: rgba(255, 255, 255, 0.85);
  stroke: #ccc;
  stroke-width: 1px;
}

.heatpump-sim .cop-frac .cop-eq {
  fill: #333;
  font-weight: 500;
}
.heatpump-sim .cop-frac .cop-line {
  stroke: #333;
  stroke-width: 1.5px;
  shape-rendering: crispEdges;
}

.heatpump-sim .tag-perf .metric.value {
  font-weight: 700;
  font-variant-numeric: tabular-nums; /* align numbers better */
}
.heatpump-sim .tag-perf .metric.sep {
  fill: #666;
}

/* Heat curve chart */
.sim-curve-tooltip {
  z-index: 1200;
  z-index: 1200;
  z-index: 1500;
  position: absolute;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 8px 10px;
  font: 12px system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color: #222;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  opacity: 0;
}
.sim-curve-tooltip .tip-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.sim-curve-tooltip .tip-val {
  text-align: right;
  min-width: 64px;
}
.hover-line {
  stroke: #222;
  stroke-width: 1.5;
  shape-rendering: crispEdges;
  stroke-dasharray: 4 3;
  pointer-events: none;
}
.hover-capture {
  cursor: crosshair;
  fill: transparent;
}

.sim-curve-panel {
  margin: 8px 0 12px;
}
.sim-curve-summary {
  cursor: pointer;
  font-weight: 600;
}
.sim-curve-body {
  padding: 8px 0;
}
.sim-curve-svg {
  width: 100%;
  height: auto;
  display: block;
}
.grid-x .tick line,
.grid-y .tick line {
  stroke: #eee;
}
.axes .domain,
.axes .tick line {
  stroke: #999;
}
.axis-title {
  fill: #444;
  font-size: 12px;
}
.legend-label {
  font-size: 12px;
  fill: #333;
}