.card *, .card *::before, .card *::after { box-sizing: border-box; margin: 0; padding: 0; }

.slider-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
}

.card {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #e2e5ea;
  --accent: #2563eb;
  --accent-dim: rgba(37, 99, 235, 0.1);
  --text-muted: #9aa0ab;
  --track-h: 3px;
  --thumb-size: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 28px 22px;
  width: 100%;
  max-width: 620px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.card .row {
  display: flex;
  align-items: center;
  gap: 20px;
}

.card .display {
  display: flex;
  align-items: baseline;
  gap: 3px;
  min-width: 60px;
  flex-shrink: 0;
}

.card .display-value {
  font-family: 'DM Mono', monospace;
  font-size: 22px;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}

.card .display-unit {
  font-size: 12px;
  color: var(--text-muted);
}

.card .slider-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card .slider-wrap {
  position: relative;
  padding: 8px 0;
}

.card .track-bg {
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: var(--track-h);
  background: var(--border);
  border-radius: 99px;
  transform: translateY(-50%);
}

.card .track-fill {
  position: absolute;
  top: 50%; left: 0;
  height: var(--track-h);
  background: var(--accent);
  border-radius: 99px;
  transform: translateY(-50%);
  transition: width 0.04s ease;
}

.card input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 36px;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 2;
}

.card input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 1px 4px rgba(0,0,0,0.1);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.card input[type="range"]::-moz-range-thumb {
  width: var(--thumb-size);
  height: var(--thumb-size);
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 1px 4px rgba(0,0,0,0.1);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  cursor: pointer;
}

.card input[type="range"]:hover::-webkit-slider-thumb {
  box-shadow: 0 0 0 5px var(--accent-dim), 0 1px 6px rgba(0,0,0,0.14);
  transform: scale(1.08);
}

.card input[type="range"]:hover::-moz-range-thumb {
  box-shadow: 0 0 0 5px var(--accent-dim), 0 1px 6px rgba(0,0,0,0.14);
  transform: scale(1.08);
}

.card input[type="range"]:focus { outline: none; }

.card .ticks {
  position: relative;
  height: 20px;
}

.card .tick {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transform: translateX(-50%);
  cursor: pointer;
}

.card .tick-mark {
  width: 1px;
  height: 4px;
  background: var(--border);
  transition: background 0.15s;
}

.card .tick-label {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}

.card .tick:hover .tick-mark,
.card .tick.active .tick-mark { background: var(--accent); }

.card .tick:hover .tick-label,
.card .tick.active .tick-label { color: var(--accent); }