:root {
  --gw-primary: #0ea5e9;
  --gw-secondary: #8b5cf6;
  --gw-bg: #ffffff;
  --gw-text: #0f172a;
  --gw-muted: #64748b;
  --gw-border: #e2e8f0;
  --gw-radius: 12px;
  --gw-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--gw-font);
  color: var(--gw-text);
  background: transparent;
}

.gw-card {
  padding: 20px;
  background: var(--gw-bg);
  color: var(--gw-text);
  border: 1px solid var(--gw-border);
  border-radius: var(--gw-radius);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px -18px rgba(15, 23, 42, 0.2);
}

.gw-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 4px;
}

.gw-title-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--gw-primary);
  color: #fff;
  font-size: 12px;
  flex-shrink: 0;
}

.gw-title-mark svg {
  width: 14px;
  height: 14px;
}

.gw-logo {
  height: 24px;
  max-width: 120px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.gw-subtitle {
  font-size: 13px;
  color: var(--gw-muted);
  margin: 0 0 16px;
}

.gw-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.gw-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.gw-field label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--gw-muted);
}

.gw-field select {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--gw-border);
  border-radius: calc(var(--gw-radius) * 0.5);
  padding: 9px 32px 9px 10px;
  font-size: 14px;
  background-color: var(--gw-bg);
  color: var(--gw-text);
  font-family: inherit;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.gw-field select:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--gw-primary) 45%, var(--gw-border));
}

.gw-field select:focus {
  outline: none;
  border-color: var(--gw-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gw-primary) 20%, transparent);
}

.gw-field select:disabled {
  opacity: 0.5;
  cursor: default;
}

.gw-result {
  margin-top: 16px;
  border: 1px solid var(--gw-border);
  border-radius: calc(var(--gw-radius) * 0.85);
  overflow: hidden;
  display: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.gw-result.gw-visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.gw-result-header {
  background: var(--gw-primary);
  color: #fff;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.gw-result-title {
  font-size: 13px;
  font-weight: 700;
}

.gw-result-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.gw-chip {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.gw-chip-ghost {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.gw-chip-ghost:empty {
  display: none;
}

.gw-stage-tabs {
  display: flex;
  gap: 6px;
  padding: 10px 14px 0;
}

.gw-stage-tabs[hidden] {
  display: none;
}

.gw-stage-tab {
  flex: 1;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--gw-border);
  background: var(--gw-bg);
  color: var(--gw-muted);
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.gw-stage-tab:hover {
  border-color: var(--gw-primary);
}

.gw-stage-tab.gw-active {
  background: var(--gw-primary);
  border-color: var(--gw-primary);
  color: #fff;
}

.gw-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.gw-stat {
  padding: 14px;
  border-right: 1px solid var(--gw-border);
}

.gw-stat:last-child {
  border-right: none;
}

.gw-stat-label {
  font-size: 11px;
  color: var(--gw-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.gw-stat-values {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.gw-before {
  font-size: 15px;
  color: var(--gw-muted);
  text-decoration: line-through;
}

.gw-arrow {
  color: var(--gw-muted);
  font-size: 13px;
}

.gw-after {
  font-size: 22px;
  font-weight: 800;
  color: var(--gw-text);
}

.gw-gain {
  display: inline-block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gw-primary);
}

.gw-details-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 9px 14px;
  border: none;
  border-top: 1px solid var(--gw-border);
  background: transparent;
  color: var(--gw-primary);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
}

.gw-details-toggle:hover {
  background: color-mix(in srgb, var(--gw-primary) 6%, transparent);
}

.gw-details-toggle[hidden] {
  display: none;
}

.gw-chevron {
  color: currentColor;
  transition: transform 0.2s ease;
}

.gw-details-toggle.gw-open .gw-chevron {
  transform: rotate(180deg);
}

.gw-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  background: color-mix(in srgb, var(--gw-text) 3%, var(--gw-bg));
}

.gw-details.gw-open {
  max-height: 300px;
}

.gw-details-row {
  padding: 10px 14px;
  border-top: 1px solid var(--gw-border);
  font-size: 12.5px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.gw-details-row[hidden] {
  display: none;
}

.gw-details-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--gw-muted);
}

.gw-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.gw-option-chip {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--gw-primary) 12%, transparent);
  color: var(--gw-primary);
}

.gw-contact {
  border-top: 1px solid var(--gw-border);
  padding: 12px 14px;
}

.gw-contact-btn {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: none;
  border-radius: calc(var(--gw-radius) * 0.5);
  background: var(--gw-primary);
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.gw-contact-btn[hidden] {
  display: none;
}

.gw-contact-btn:hover {
  filter: brightness(0.95);
}

.gw-contact-form[hidden] {
  display: none;
}

.gw-contact-form .gw-field {
  margin-bottom: 8px;
}

.gw-contact-form .gw-field label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--gw-muted);
  display: block;
  margin-bottom: 3px;
}

.gw-contact-form input,
.gw-contact-form textarea {
  width: 100%;
  border: 1px solid var(--gw-border);
  border-radius: calc(var(--gw-radius) * 0.4);
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--gw-text);
  background: var(--gw-bg);
  resize: vertical;
}

.gw-contact-form input:focus,
.gw-contact-form textarea:focus {
  outline: none;
  border-color: var(--gw-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gw-primary) 20%, transparent);
}

.gw-contact-submit {
  width: 100%;
  padding: 9px 14px;
  border: none;
  border-radius: calc(var(--gw-radius) * 0.5);
  background: var(--gw-primary);
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 2px;
}

.gw-contact-submit:disabled {
  opacity: 0.6;
  cursor: default;
}

.gw-contact-msg {
  font-size: 12px;
  margin-top: 8px;
  text-align: center;
}

.gw-contact-msg.gw-contact-ok {
  color: #16a34a;
  font-weight: 600;
}

.gw-contact-msg.gw-contact-error {
  color: #dc2626;
}

/* ---------- Data visualisation (bar / dyno curve / circle) ---------- */

.gw-chart {
  padding: 16px 14px 4px;
  border-top: 1px solid var(--gw-border);
}

.gw-chart[hidden] {
  display: none;
}

.gw-chart-bars {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.gw-chart-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 150px;
}

.gw-chart-group-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--gw-muted);
  margin-bottom: 10px;
}

.gw-chart-bars-row {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  justify-content: center;
}

.gw-chart-bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 46px;
}

.gw-chart-bar-value {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--gw-text);
  margin-bottom: 4px;
  white-space: nowrap;
}

.gw-chart-bar-track {
  height: 74px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.gw-chart-bar {
  width: 26px;
  border-radius: 4px 4px 0 0;
  transition: height 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.gw-chart-bar-before {
  background: var(--gw-border);
}

.gw-chart-bar-after {
  background: var(--gw-primary);
}

.gw-chart-bar-tick {
  font-size: 9.5px;
  color: var(--gw-muted);
  margin-top: 6px;
}

.gw-chart-lines {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.gw-chart-line-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.gw-chart-dyno-svg {
  display: block;
}

.gw-chart-dyno-grid {
  stroke: var(--gw-border);
  stroke-width: 1;
}

.gw-chart-dyno-path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  /* No vector-effect: non-scaling-stroke here - combined with the parent
     <g>'s non-uniform scale (see buildDynoPanel in app.js) it made the
     browser drop the highest-curvature part of the curve (the peak),
     rendering as two disconnected line segments. */
}

.gw-chart-dyno-bhp {
  stroke: var(--gw-primary);
}

.gw-chart-dyno-torque {
  stroke: var(--gw-secondary);
}

.gw-chart-dyno-before {
  stroke-width: 1.5;
  opacity: 0.4;
  transition: stroke-width 0.15s ease, opacity 0.15s ease;
}

.gw-chart-dyno-after {
  stroke-width: 2.4;
  opacity: 1;
  transition: stroke-width 0.15s ease;
}

.gw-chart-dyno-before.gw-hover {
  stroke-width: 2.6;
  opacity: 0.85;
}

.gw-chart-dyno-after.gw-hover {
  stroke-width: 3.4;
}

.gw-chart-dyno-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 7;
  cursor: pointer;
}

.gw-chart-dyno-tooltip {
  position: absolute;
  transform: translate(-50%, -135%);
  background: var(--gw-text);
  color: var(--gw-bg);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  padding: 5px 9px;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease;
  z-index: 2;
}

.gw-chart-dyno-tooltip.gw-open {
  opacity: 1;
}

.gw-chart-dyno-legend {
  display: flex;
  gap: 14px;
  margin-top: 8px;
  font-size: 10px;
  font-weight: 700;
  color: var(--gw-text);
  flex-wrap: wrap;
  justify-content: center;
}

.gw-chart-dyno-legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.gw-chart-dyno-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.gw-chart-dyno-dot-bhp {
  background: var(--gw-primary);
}

.gw-chart-dyno-dot-torque {
  background: var(--gw-secondary);
}

.gw-chart-dyno-axis {
  font-size: 8.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--gw-muted);
  text-align: right;
  margin-top: 2px;
}

.gw-chart-circles {
  display: flex;
  gap: 28px;
  justify-content: center;
  padding-bottom: 12px;
}

.gw-chart-ring-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gw-chart-ring-svgwrap {
  position: relative;
  width: 84px;
  height: 84px;
}

.gw-chart-ring-svg {
  display: block;
}

.gw-chart-ring-track {
  fill: none;
  stroke: var(--gw-border);
}

.gw-chart-ring-fg {
  fill: none;
  stroke-linecap: round;
}

.gw-chart-ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--gw-text);
}

.gw-chart-ring-caption {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--gw-muted);
  margin-top: 8px;
}

@media (prefers-reduced-motion: reduce) {
  .gw-chart-bar,
  .gw-chart-dyno-path,
  .gw-chart-ring-fg {
    transition: none !important;
  }
}

.gw-footer {
  padding: 10px 14px;
  font-size: 11px;
  color: var(--gw-muted);
  border-top: 1px solid var(--gw-border);
}

.gw-footer a {
  color: var(--gw-primary);
  text-decoration: none;
  font-weight: 600;
}

.gw-locked {
  padding: 28px 20px;
  text-align: center;
}

.gw-locked h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.gw-locked p {
  margin: 0;
  font-size: 13px;
  color: var(--gw-muted);
}

.gw-locked a {
  color: var(--gw-primary);
}

.gw-empty {
  font-size: 13px;
  color: var(--gw-muted);
  padding: 10px 2px;
}

.gw-watermark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-top: 10px;
  padding: 6px;
  font-size: 11px;
  color: var(--gw-muted);
  text-decoration: none;
  font-family: var(--gw-font);
}

.gw-watermark:hover {
  color: var(--gw-text);
}

.gw-watermark strong {
  color: var(--gw-text);
  font-weight: 700;
}

.gw-watermark-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 4px;
  background: var(--gw-primary);
  color: #fff;
  font-size: 9px;
}

.gw-watermark-mark svg {
  width: 9px;
  height: 9px;
}

/* The widget is an iframe with no idea what page it's embedded in, so this
   responds to its OWN rendered width - which, on a visitor's phone, is
   usually close to the full device width if the embedding site used the
   recommended width="100%". Below ~380px the two-column layouts (vehicle
   picker, BHP/Torque stats) get too cramped for select text and numbers to
   fit without clipping. */
@media (max-width: 380px) {
  .gw-row {
    grid-template-columns: 1fr;
  }

  .gw-stats {
    grid-template-columns: 1fr;
  }

  .gw-stat {
    border-right: none;
    border-bottom: 1px solid var(--gw-border);
  }

  .gw-stat:last-child {
    border-bottom: none;
  }

  .gw-chart-bars,
  .gw-chart-circles {
    flex-wrap: wrap;
    row-gap: 16px;
  }
}