:root {
  --ink: #16223a;
  --sub: #58647d;
  --line: #e3e8f0;
  --wash: #f1f5f9;
  --sonnet: #2a78d6;
  --opus: #eb6834;
  --teal: #0f766e;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: #fff; color: var(--ink); font: 15px/1.45 Arial, Helvetica, sans-serif; }
button, input { font: inherit; }
.card { min-height: 100vh; padding: 16px 20px 14px; display: flex; flex-direction: column; gap: 10px; }

.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
h1 { margin: 0; font-size: 17px; line-height: 1.25; }
h2 { margin: 0 0 6px; font-size: 15px; display: flex; align-items: center; gap: 8px; }

.bench, .presets { display: flex; flex-wrap: wrap; gap: 6px; }
button {
  border: 1px solid #c3cddc; background: #fff; color: var(--ink);
  padding: 6px 11px; border-radius: 8px; font-size: 13px; line-height: 1.2; cursor: pointer;
  transition: background-color .15s, color .15s, border-color .15s;
}
button:hover { border-color: var(--ink); }
.bench button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.presets button { background: var(--wash); border-color: transparent; }
.presets button:hover { border-color: var(--ink); }
button:focus-visible, input:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; }

.row { display: grid; grid-template-columns: minmax(220px, 34%) 1fr; gap: 8px 26px; padding: 10px 0 8px; border-top: 1px solid var(--line); align-items: start; }
.s { --c: var(--sonnet); }
.o { --c: var(--opus); }
.dot { width: 12px; height: 12px; border-radius: 3px; background: var(--c); flex: none; }

.dial input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 26px; margin: 0; background: transparent; cursor: pointer;
}
.dial input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: #d3dae6; }
.dial input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: #d3dae6; }
.dial input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 22px; height: 22px; margin-top: -8px; border-radius: 50%;
  background: #fff; border: 4px solid var(--c); box-shadow: 0 1px 3px rgba(22, 34, 58, .35);
}
.dial input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 4px solid var(--c); }
.stops { position: relative; height: 18px; margin: 0 11px; font-size: 12px; color: var(--sub); }
.stops span { position: absolute; top: 0; left: calc(var(--i) * 25%); transform: translateX(-50%); white-space: nowrap; }

.gauges { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.g { display: grid; grid-template-columns: 1fr 118px; column-gap: 12px; align-items: center; }
.gl { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 8px; font-size: 12px; color: var(--sub); }
.tag { color: var(--teal); font-weight: 700; }
.track { position: relative; height: 14px; border-radius: 4px; background: var(--wash); }
.score-track { background-image: repeating-linear-gradient(to right, transparent 0, transparent calc(25% - 1px), #d5dce8 calc(25% - 1px), #d5dce8 25%); }
.bar { position: absolute; left: 0; top: 0; height: 100%; width: 0; border-radius: 0 4px 4px 0; background: var(--c); transition: width .5s cubic-bezier(.2, .7, .2, 1); }
.noise { position: absolute; top: 50%; height: 2px; width: 0; left: 0; background: var(--ink); opacity: .7; z-index: 1; transition: left .5s cubic-bezier(.2, .7, .2, 1), width .5s cubic-bezier(.2, .7, .2, 1); }
.noise::before, .noise::after { content: ""; position: absolute; top: -4px; width: 2px; height: 10px; background: var(--ink); }
.noise::before { left: 0; }
.noise::after { right: 0; }
.noise[hidden] { display: none; }
.gv { font-size: 17px; font-variant-numeric: tabular-nums; text-align: right; }
.axis { grid-column: 1; position: relative; height: 16px; margin-top: 2px; font-size: 12px; color: var(--sub); }
.axis span { position: absolute; left: calc(var(--p) * 1%); transform: translateX(-50%); }
.axis span:first-child { transform: none; }

.verdict { margin: 4px 0 0; padding: 10px 12px; border-left: 4px solid var(--teal); background: #f2f9f8; font-size: 15px; line-height: 1.4; }
.note { margin: 0; font-size: 13px; color: var(--sub); }
.src { margin: auto 0 0; font-size: 12px; color: var(--sub); }

@media (max-width: 640px) {
  .card { padding: 14px 14px 12px; }
  .row { grid-template-columns: 1fr; }
  .g { grid-template-columns: 1fr 96px; }
  .gv { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}