/* ========= E-Bike Range Lab — premium shell ========= */
:root {
  --bg: #070a0f;
  --bg-elev: #0f141c;
  --surface: #141b26;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf5;
  --muted: #8b98ab;
  --accent: #3ee4c5;
  --accent-dim: rgba(62, 228, 197, 0.15);
  --violet: #8b7bff;
  --warn: #ffb020;
  --radius: 16px;
  --radius-sm: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 20% -10%, #1a2240 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #0d3d36 0%, transparent 50%), var(--bg);
  color: var(--text);
  min-height: 100dvh;
  padding-bottom: calc(88px + var(--safe-b));
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: -20%;
  background: radial-gradient(ellipse 50% 40% at 15% 20%, rgba(62, 228, 197, 0.09), transparent 55%),
    radial-gradient(ellipse 45% 35% at 85% 75%, rgba(139, 123, 255, 0.08), transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: bodyMeshDrift 22s ease-in-out infinite alternate;
  opacity: 0.85;
}

@keyframes bodyMeshDrift {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.65;
  }
  100% {
    transform: translate(2%, 1.5%) scale(1.04);
    opacity: 0.95;
  }
}

.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
}

.guy {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}

.chip-btn:hover {
  border-color: rgba(62, 228, 197, 0.35);
}

.hidden {
  display: none !important;
}

/* Hero */
.ebike-sim {
  --viz-glow: 0.2;
  --wind-shake: 0;
  background: linear-gradient(165deg, rgba(20, 27, 38, 0.92), rgba(10, 14, 20, 0.96));
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow), 0 0 calc(28px + 70px * var(--viz-glow)) rgba(62, 228, 197, 0.06);
  padding: 1.25rem 1.25rem 1.5rem;
  position: relative;
  overflow: clip;
  transition: box-shadow 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.ebike-sim::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 35%,
    rgba(62, 228, 197, 0.05) 48%,
    rgba(139, 123, 255, 0.04) 62%,
    transparent 75%
  );
  pointer-events: none;
  animation: simShimmer 9s ease-in-out infinite;
}

@keyframes simShimmer {
  0%,
  100% {
    opacity: 0.35;
    transform: translateX(-4%);
  }
  50% {
    opacity: 0.85;
    transform: translateX(4%);
  }
}

.ebike-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.ebike-kicker {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.ebike-title {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.ebike-sub {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 36ch;
}

.ebike-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ebike-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.2s, background 0.2s;
}

.ebike-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.18);
}

.ebike-btn:active {
  transform: translateY(0);
}

.ebike-btn-ghost {
  background: transparent;
}

.ebike-btn-accent {
  background: linear-gradient(135deg, #2ad4b8, #1fa08c);
  border-color: transparent;
  color: #04120f;
}

.ebike-btn-secondary {
  background: rgba(139, 123, 255, 0.12);
  border-color: rgba(139, 123, 255, 0.35);
  color: #e6e2ff;
}

.ebike-btn-sm {
  padding: 0.4rem 0.65rem;
  font-size: 0.8rem;
}

.ebike-ico {
  font-size: 1rem;
  line-height: 1;
}

.ebike-lock {
  font-size: 0.75rem;
  margin-left: 0.15rem;
  opacity: 0.85;
}

/* Toolbar */
.ebike-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.ebike-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.ebike-toolbar-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-right: 0.25rem;
}

.ebike-chip {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.ebike-chip:hover {
  background: var(--accent-dim);
  border-color: rgba(62, 228, 197, 0.35);
}

.ebike-toolbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ebike-toolbar-secondary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.ebike-user-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  flex: 1;
  align-items: center;
  min-width: 0;
}

.ebike-user-preset-wrap {
  display: inline-flex;
  align-items: stretch;
  gap: 0;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(139, 123, 255, 0.35);
  background: rgba(139, 123, 255, 0.1);
}

.ebike-user-preset-wrap:hover {
  border-color: rgba(62, 228, 197, 0.45);
}

.ebike-user-preset-chip {
  padding: 0.3rem 0.5rem 0.3rem 0.55rem;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #e8e0ff;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ebike-user-preset-chip:hover {
  background: rgba(255, 255, 255, 0.06);
}

.ebike-user-preset-chip.is-active {
  box-shadow: inset 0 0 0 2px rgba(62, 228, 197, 0.35);
}

.ebike-user-preset-del {
  margin: 0;
  padding: 0 0.45rem;
  min-width: 2rem;
  border: none;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.2);
  color: #f1a5a5;
  font-size: 1.1rem;
  line-height: 1;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ebike-user-preset-del:hover {
  background: rgba(220, 80, 80, 0.35);
  color: #fff;
}

.ebike-wind-card {
  background: var(--bg-elev);
  border: 1px solid rgba(62, 228, 197, 0.22);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem;
}

.ebike-wind-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.ebike-wind-title {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.ebike-wind-summary {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.55;
  color: #d0dce8;
}

.ebike-wind-details {
  margin-top: 0.55rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--muted);
}

.ebike-wind-details dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.75rem;
}

.ebike-wind-details dt {
  font-weight: 600;
  color: #a8b8cc;
}

.ebike-wind-details dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  color: #e8edf5;
}

.ebike-cb-disp {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #c4b5ff;
  margin-inline-start: 0.25rem;
}

/* Grid */
.ebike-grid {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr) minmax(260px, 320px);
  gap: 1rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) {
  .ebike-grid {
    grid-template-columns: 1fr;
  }
}

/* Panels */
.ebike-panels {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem 1rem;
}

.ebike-swipe-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.ebike-swipe-tabs::-webkit-scrollbar {
  display: none;
}

.ebike-swipe-tab {
  flex: 1 0 auto;
  padding: 0.45rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.ebike-swipe-tab.is-active {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
}

.ebike-panel-stack {
  position: relative;
}

.ebike-panel {
  animation: ebikeFade 0.25s ease;
}

.ebike-panel[hidden] {
  display: none !important;
}

@keyframes ebikeFade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.ebike-section-title {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.ebike-inline-title {
  margin: 0;
}

.ebike-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.65rem;
  font-size: 0.82rem;
}

.ebike-row:first-of-type {
  margin-top: 0;
}

.ebike-label {
  color: var(--muted);
}

.ebike-val {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--accent);
  min-width: 3ch;
  text-align: right;
  transition: color 0.15s ease;
}

.ebike-val.is-pulse {
  animation: valPulse 0.35s ease;
}

@keyframes valPulse {
  0% {
    color: #fff;
    transform: scale(1.06);
  }
  100% {
    color: var(--accent);
    transform: none;
  }
}

.ebike-panels input[type="range"] {
  width: 100%;
  margin: 0.25rem 0 0.15rem;
  accent-color: var(--accent);
}

.ebike-hint {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--muted);
}

/* Stage */
.ebike-stage {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ebike-viz {
  --viz-glow: 0.15;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem 0.75rem;
  perspective: 900px;
  transition: box-shadow 0.45s ease, border-color 0.45s ease, transform 0.35s ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 0 calc(10px + 42px * var(--viz-glow)) rgba(62, 228, 197, 0.14);
}

.ebike-viz:hover {
  border-color: rgba(62, 228, 197, 0.18);
}

.ebike-viz.is-wind-focus {
  border-color: rgba(96, 165, 250, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 0 calc(14px + 48px * var(--viz-glow)) rgba(96, 165, 250, 0.18);
}

.ebike-viz-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.ebike-viz-labels span {
  transition: color 0.3s ease, transform 0.3s ease;
}

.ebike-viz.has-wind .ebike-viz-labels {
  animation: labelWind 0.18s ease-in-out infinite alternate;
}

@keyframes labelWind {
  from {
    transform: translateX(-1.5px);
  }
  to {
    transform: translateX(1.5px);
  }
}

#vizSpeedLabel {
  font-weight: 700;
  color: #c8e8ff;
  letter-spacing: 0.02em;
  animation: speedLabelPulse 2.4s ease-in-out infinite;
}

@keyframes speedLabelPulse {
  0%,
  100% {
    opacity: 0.88;
  }
  50% {
    opacity: 1;
  }
}

.ebike-track-scene {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-height: 160px;
}

.ebike-sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #1c2a4a 0%, #0f1724 55%, #0a0e14 100%);
  z-index: 0;
  overflow: hidden;
}

.ebike-sky-drift {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
  opacity: 0.55;
}

.ebike-sky-drift--a {
  width: 85%;
  height: 55%;
  left: -20%;
  top: -15%;
  background: radial-gradient(circle, rgba(100, 160, 255, 0.35) 0%, transparent 70%);
  animation: skyBlobA 18s ease-in-out infinite alternate;
}

.ebike-sky-drift--b {
  width: 70%;
  height: 50%;
  right: -25%;
  bottom: 10%;
  background: radial-gradient(circle, rgba(62, 228, 197, 0.22) 0%, transparent 68%);
  animation: skyBlobB 24s ease-in-out infinite alternate;
}

@keyframes skyBlobA {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(12%, 8%) scale(1.08);
  }
}

@keyframes skyBlobB {
  0% {
    transform: translate(0, 0) scale(1.02);
  }
  100% {
    transform: translate(-10%, -6%) scale(1);
  }
}

.ebike-track {
  position: relative;
  height: 140px;
  z-index: 1;
  transform-origin: 50% 100%;
  transform-style: preserve-3d;
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.ebike-track-inner {
  --road-dur: 2.4s;
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: 18%;
  height: 42%;
  background: linear-gradient(90deg, #1f2937, #334155 40%, #1f2937);
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.ebike-track-inner::after {
  content: "";
  position: absolute;
  inset: 35% -20% auto -20%;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    rgba(250, 250, 250, 0.42) 0 26px,
    transparent 26px 44px
  );
  opacity: 0.75;
  background-size: 44px 100%;
  animation: roadDashScroll linear infinite;
  animation-duration: var(--road-dur);
  will-change: background-position;
}

@keyframes roadDashScroll {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -440px 0;
  }
}

.ebike-wind-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.ebike-bike {
  position: absolute;
  bottom: 28%;
  left: 8%;
  width: 72px;
  height: 36px;
  z-index: 3;
  cursor: grab;
  filter: drop-shadow(0 10px 12px rgba(0, 0, 0, 0.45));
  transform-origin: 50% 80%;
  will-change: transform, left;
}

.ebike-bike:active {
  cursor: grabbing;
}

.ebike-frame {
  position: absolute;
  left: 10px;
  right: 8px;
  top: 10px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #3ee4c5, #22a894, #3ee4c5);
  background-size: 200% 100%;
  animation: frameEnergy 2.8s linear infinite;
  box-shadow: 0 0 12px rgba(62, 228, 197, 0.35);
}

@keyframes frameEnergy {
  to {
    background-position: -200% 0;
  }
}

.ebike-wheel {
  position: absolute;
  bottom: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid #cbd5e1;
  background: radial-gradient(circle at 35% 35%, #475569, #0f172a);
  box-sizing: border-box;
  will-change: transform;
}

.ebike-wheel--rear {
  left: 0;
}

.ebike-wheel--front {
  right: 0;
}

/* Metrics */
.ebike-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
}

@media (max-width: 700px) {
  .ebike-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ebike-metric {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.65rem;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 0.35rem;
  align-items: baseline;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.25s ease;
}

.ebike-metric.is-flash {
  animation: metricFlash 0.55s ease;
}

@keyframes metricFlash {
  0% {
    border-color: rgba(62, 228, 197, 0.45);
    box-shadow: 0 0 0 1px rgba(62, 228, 197, 0.2), 0 0 18px rgba(62, 228, 197, 0.15);
    transform: scale(1.02);
  }
  100% {
    border-color: var(--border);
    box-shadow: none;
    transform: scale(1);
  }
}

.ebike-metric-label {
  grid-column: 1 / -1;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.ebike-metric-num {
  font-size: 1.35rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  transition: color 0.25s ease, transform 0.25s ease;
}

.ebike-metric-unit {
  font-size: 0.72rem;
  color: var(--muted);
}

/* Advanced */
.ebike-advanced-wrap {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
}

.ebike-advanced-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.ebike-pro-pill {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: rgba(139, 123, 255, 0.2);
  color: #dcd6ff;
  border: 1px solid rgba(139, 123, 255, 0.35);
}

.ebike-force-bars {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.ebike-fbar {
  display: grid;
  grid-template-columns: 88px 1fr 52px;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
}

.ebike-fbar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.ebike-fbar-fill {
  height: 100%;
  border-radius: inherit;
  width: 0%;
  transition: width 0.35s ease;
}

.ebike-fbar-val {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 0.72rem;
}

.ebike-advanced-lock {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(7, 10, 15, 0.72);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  text-align: center;
  padding: 1rem;
}

.ebike-advanced-lock p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 22ch;
}

.ebike-advanced-wrap.is-locked .ebike-force-bars {
  filter: blur(5px);
  opacity: 0.45;
  pointer-events: none;
  user-select: none;
}

/* Side */
.ebike-side {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.ebike-insights,
.ebike-chart-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 0.85rem;
  transition: border-color 0.35s ease, transform 0.35s ease;
}

.ebike-chart-card:hover {
  border-color: rgba(139, 123, 255, 0.22);
  transform: translateY(-2px);
}

.ebike-insight-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.ebike-insight-list li {
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  font-size: 0.84rem;
  line-height: 1.45;
  color: #d5dee9;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.ebike-insight-list strong {
  color: var(--accent);
  font-weight: 700;
}

.ebike-chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.ebike-chart-wrap {
  position: relative;
  height: 240px;
  width: 100%;
  min-height: 220px;
  /* Chart.js measures LTR layout; RTL pages can collapse width without this */
  direction: ltr;
}

.ebike-chart-wrap canvas {
  display: block;
  max-width: 100%;
}

.ebike-chart-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.ebike-chart-error {
  margin: 0 0 0.5rem;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(251, 146, 60, 0.12);
  border: 1px solid rgba(251, 146, 60, 0.35);
  color: #fdba74;
  font-size: 0.82rem;
  line-height: 1.45;
}

/* Compare */
.ebike-compare {
  margin-top: 1rem;
  border: 1px solid rgba(139, 123, 255, 0.35);
  border-radius: var(--radius);
  background: rgba(139, 123, 255, 0.06);
  padding: 0.65rem 0.75rem;
}

.ebike-compare-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.ebike-compare-title {
  font-weight: 700;
  font-size: 0.9rem;
}

.ebike-icon-btn {
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

.ebike-compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
}

.ebike-compare-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.6rem;
  font-size: 0.78rem;
  line-height: 1.5;
}

.ebike-compare-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
}

/* Mobile sticky */
.ebike-mobile-sticky {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 0.55rem 0.85rem calc(0.55rem + var(--safe-b));
  background: rgba(10, 14, 20, 0.92);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  align-items: center;
  gap: 0.65rem;
}

@media (max-width: 700px) {
  .ebike-mobile-sticky {
    display: flex;
  }

  body {
    padding-bottom: calc(100px + var(--safe-b));
  }
}

.ebike-sticky-label {
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}

.ebike-mobile-sticky input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

.ebike-sticky-val {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  min-width: 2.5rem;
  text-align: right;
  color: var(--accent);
}

/* Dialog */
.ebike-dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  max-width: min(400px, 92vw);
}

.ebike-dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.ebike-dialog-form {
  padding: 1.25rem 1.25rem 1rem;
}

.ebike-dialog h3 {
  margin: 0 0 0.5rem;
}

.ebike-dialog p {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.ebike-dialog-note {
  font-size: 0.82rem !important;
}

.ebike-dialog-note code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

.ebike-dialog-label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.ebike-dialog-input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  margin-bottom: 0.75rem;
}

.ebike-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Tool extra */
.tool-extra-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 1.25rem 0 0;
}

.tool-toggle-btn {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.tool-toggle-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(62, 228, 197, 0.35);
}

/* Respect system motion preference */
@media (prefers-reduced-motion: reduce) {
  body::before,
  .ebike-sim::before,
  .ebike-sky-drift,
  .ebike-track-inner::after,
  .ebike-frame,
  #vizSpeedLabel,
  .ebike-viz.has-wind .ebike-viz-labels {
    animation: none !important;
  }

  .ebike-chart-card:hover {
    transform: none;
  }

  .ebike-metric.is-flash {
    animation: none;
  }

  .ebike-viz,
  .ebike-metric,
  .ebike-sim {
    transition-duration: 0.01ms !important;
  }
}

/* ========= Legal popup ========= */
.legal-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}

.legal-popup-box {
  width: 100%;
  max-width: 520px;
  background: #ffffff;
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.25);
  text-align: center;
  animation: popIn 0.35s ease;
}

.legal-popup-icon {
  font-size: 42px;
  margin-bottom: 12px;
}

.legal-popup-box h3 {
  margin: 0 0 14px;
  font-size: 24px;
  color: #111827;
}

.legal-popup-box p {
  color: #4b5563;
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 14px;
}

.legal-popup-box button {
  margin-top: 10px;
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 14px 24px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.25s;
}

.legal-popup-box button:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 600px) {
  .legal-popup-box {
    padding: 22px;
    border-radius: 18px;
  }

  .legal-popup-box h3 {
    font-size: 20px;
  }

  .legal-popup-box p {
    font-size: 14px;
  }
}

/* ========= Popup overlay ========= */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 20px;
  min-height: 100vh;
}

.popup-overlay.active {
  display: flex;
  animation: fadeIn 0.25s ease;
}

.popup-box {
  width: 100%;
  max-width: 720px;
  background: #ffffff;
  color: #111827;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
  position: relative;
  animation: popIn 0.28s ease;
  max-height: calc(100vh - 40px);
  overflow: auto;
  border: 1px solid #e5e7eb;
}

.popup-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: #f1f5f9;
  font-size: 18px;
  cursor: pointer;
}

.popup-close:hover {
  background: #e2e8f0;
}

textarea {
  width: 100%;
  min-height: 160px;
  margin-top: 12px;
  border: 1px solid #d1d5db;
  border-radius: 14px;
  padding: 14px;
  resize: vertical;
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
}

.copy-btn {
  margin-top: 14px;
  background: #10b981;
  color: #fff;
  border: none;
  padding: 12px 18px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
}

.embed-box h3 {
  margin-top: 0;
}

.similar-tools {
  background: #f8fafc;
  border-radius: 16px;
  padding: 1rem;
}

.similar-tools h3 {
  margin-top: 0;
}

#similarToolsList {
  list-style: none;
  padding: 0;
  margin: 0;
}

#similarToolsList li {
  margin-top: 0.5rem;
  padding: 0.65rem;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  background: #fff;
}

@media (max-width: 700px) {
  .popup-box {
    padding: 22px;
    border-radius: 18px;
  }

  .tool-extra-actions {
    flex-direction: column;
  }

  .tool-toggle-btn {
    width: 100%;
  }
}