.calc {
  --ev: #1f7a52;
  --pet: #b85a0b;
  --win: var(--ev);
}

@media (prefers-color-scheme: dark) {
  .calc {
    --ev: #56c996;
    --pet: #f0a04b;
  }
}

.calc.pet-wins {
  --win: var(--pet);
}

.calc h1 .sub {
  color: var(--muted);
  font-weight: 500;
}

.calc h2 {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mono,
.hero-num,
.numwrap input,
.unit,
.chip,
.bar-val,
.bar-note,
.readout {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
}

.dot.ev {
  background: var(--ev);
}

.dot.pet {
  background: var(--pet);
}

/* Hero readout */

.hero {
  margin: 1.75rem 0 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.hero-label {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-num {
  color: var(--win);
  font-size: clamp(2.6rem, 11vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero-num .per {
  color: var(--muted);
  font-size: 0.34em;
  font-weight: 500;
  letter-spacing: 0;
}

.hero-detail {
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.hero-detail b,
.multiple b {
  color: var(--fg);
  font-weight: 600;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.chip {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--inset);
  color: var(--muted);
  font-size: 0.75rem;
}

.chip b {
  color: var(--fg);
  font-weight: 600;
}

/* Layout */

.grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

/* Fields */

.field {
  margin-bottom: 1.15rem;
}

.field:last-child {
  margin-bottom: 0;
}

.field-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.field label {
  font-size: 0.9rem;
  font-weight: 500;
}

.numwrap {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.numwrap input {
  width: 5.25rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--inset);
  color: var(--fg);
  font-size: 0.875rem;
  text-align: right;
}

.numwrap input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.unit {
  color: var(--muted);
  font-size: 0.75rem;
}

.field input[type="range"] {
  width: 100%;
  margin: 0;
  accent-color: var(--ev);
}

.hint {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

/* Servicing */

.adv {
  margin-top: 1.15rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.adv summary {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.adv summary:hover {
  color: var(--fg);
}

.switch {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.switch input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 2.4rem;
  height: 1.4rem;
  margin: 0;
  border-radius: 999px;
  background: var(--line);
  cursor: pointer;
  transition: background 0.2s;
}

.switch input::before {
  content: "";
  position: absolute;
  top: 0.15rem;
  left: 0.15rem;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s;
}

.switch input:checked {
  background: var(--ev);
}

.switch input:checked::before {
  transform: translateX(1rem);
}

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

.svc {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  transition: opacity 0.2s;
}

.svc:disabled {
  opacity: 0.45;
}

/* Cost per 100 km */

.bars {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.bar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.bar-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.bar-val {
  font-size: 1rem;
  font-weight: 700;
}

.bar-val.ev {
  color: var(--ev);
}

.bar-val.pet {
  color: var(--pet);
}

.bar-track {
  height: 0.8rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--inset);
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.bar-fill.ev {
  background: var(--ev);
}

.bar-fill.pet {
  background: var(--pet);
}

.bar-note {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.multiple {
  margin: 0.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

/* Chart */

.chart-card {
  margin-top: 1rem;
}

.chart-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.chart-head h2 {
  margin: 0;
}

.seg {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--inset);
}

.seg button {
  padding: 0.3rem 0.8rem;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.seg button[aria-pressed="true"] {
  background: var(--panel);
  color: var(--fg);
  box-shadow: 0 0 0 1px var(--line);
}

.readout {
  min-height: 1.5rem;
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.readout b {
  font-weight: 700;
}

.readout .ev {
  color: var(--ev);
}

.readout .pet {
  color: var(--pet);
}

.readout .win {
  color: var(--fg);
}

.chart-svg {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  touch-action: pan-y;
  cursor: crosshair;
}

.chart-svg .gridline {
  stroke: var(--line);
  stroke-width: 1;
}

.chart-svg .tick {
  fill: var(--muted);
  font: 11px var(--mono);
}

.chart-svg .line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
}

.chart-svg .line.ev {
  stroke: var(--ev);
}

.chart-svg .line.pet {
  stroke: var(--pet);
}

.chart-svg .wedge-stop {
  stop-color: var(--win);
}

.chart-svg .scrub {
  stroke: var(--muted);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.chart-svg .pt {
  fill: var(--panel);
  stroke-width: 2.5;
}

.chart-svg .pt.ev {
  stroke: var(--ev);
}

.chart-svg .pt.pet {
  stroke: var(--pet);
}

.legend {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.legend span {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.foot {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.foot b {
  font-weight: 600;
}