:root { --bg: #000; --panel: #0d0d0d; --line: #262626; --ink: #f2f2f2; --soft: #9c9c9c; --faint: #555; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font-family: Jost, 'Futura', 'Helvetica Neue', Arial, sans-serif; font-weight: 400; -webkit-font-smoothing: antialiased; }
header { display: flex; justify-content: space-between; align-items: baseline; padding: 18px 16px 6px; max-width: 1100px; margin: 0 auto; }
h1 { font-weight: 600; font-size: 20px; letter-spacing: .08em; text-transform: uppercase; margin: 0; }
header nav a { color: var(--soft); text-decoration: none; font-size: 13px; margin-left: 16px; }
header nav a:hover { color: var(--ink); }
main { max-width: 1100px; margin: 0 auto; padding: 0 16px 48px; }
button { font: inherit; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 8px 14px; cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--soft); }
button:disabled { color: var(--faint); cursor: default; }
button[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.deck { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
.big { font-size: 26px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; padding: 26px; border: 1.5px solid var(--ink); border-radius: 10px; width: 100%; }
.big:active { background: rgba(255, 255, 255, .08); }
.now { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.now-label { font-size: 17px; }
.now-sub { color: var(--soft); font-size: 14px; margin-top: 4px; display: flex; gap: 14px; flex-wrap: wrap; }
.transport { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
@media (min-width: 760px) { .deck { grid-template-columns: 300px 1fr; } .big { height: 100%; } }

.verdict { display: flex; gap: 8px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
.verdict input { flex: 1 1 240px; min-width: 0; font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; }
.verdict input:focus { outline: none; border-color: var(--soft); }
.saved { color: var(--soft); font-size: 13px; min-width: 4em; }

.tuning { margin-top: 22px; }
.tabs { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.tabs [role="tab"][aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.station-switch { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--soft); cursor: pointer; user-select: none; }
.station-switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.station-switch .track { width: 38px; height: 22px; border-radius: 11px; border: 1px solid var(--soft); position: relative; flex: none; transition: background .2s; }
.station-switch .track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: var(--soft); transition: transform .2s, background .2s; }
.station-switch input:checked + .track { background: var(--ink); border-color: var(--ink); }
.station-switch input:checked + .track::after { transform: translateX(16px); background: var(--bg); }
.station-switch input:focus-visible + .track { outline: 2px solid var(--ink); outline-offset: 2px; }
.station-state { color: var(--soft); font-size: 13px; margin: 8px 0 0; min-height: 1.2em; }

.knobs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 14px; }
@media (min-width: 760px) { .knobs { grid-template-columns: repeat(4, 1fr); } }
.knob { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 10px 12px; text-align: center; touch-action: none; user-select: none; }
.knob svg { width: 96px; height: 96px; cursor: ns-resize; display: block; margin: 0 auto; }
.knob svg:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 50%; }
.knob .name { font-size: 15px; margin-top: 6px; }
.knob .hint { font-size: 12px; color: var(--soft); margin-top: 2px; }
.knob .val { font-size: 12px; color: var(--faint); margin-top: 2px; font-variant-numeric: tabular-nums; }

.detailed { margin-top: 14px; display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 900px) { .detailed { grid-template-columns: 1fr 1fr; } }
.group { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.group h3 { margin: 0 0 4px; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }
.group h4 { margin: 12px 0 4px; font-size: 12px; color: var(--soft); font-weight: 400; letter-spacing: .06em; text-transform: uppercase; }
.row { display: grid; grid-template-columns: minmax(0, 9em) minmax(0, 1fr) 4.6em 5.4em; gap: 8px; align-items: center; padding: 3px 0; font-size: 13px; }
.row label { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row output { color: var(--soft); text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.row select, .sel select { font: inherit; font-size: 12px; color: var(--ink); background: #000; border: 1px solid var(--line); border-radius: 4px; padding: 2px; width: 100%; }
.sel { display: grid; grid-template-columns: minmax(0, 9em) 1fr; gap: 8px; align-items: center; font-size: 13px; padding: 3px 0; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; background: transparent; height: 22px; margin: 0; }
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: var(--line); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--ink); margin-top: -6px; }
input[type="range"]::-moz-range-track { height: 2px; background: var(--line); }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border: 0; border-radius: 50%; background: var(--ink); }

.history { margin-top: 26px; }
.history h2 { font-size: 14px; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; margin: 0 0 8px; }
.history ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.history li { border-bottom: 1px solid var(--line); }
.history li button { width: 100%; text-align: left; border: 0; border-radius: 0; padding: 10px 4px; display: grid; grid-template-columns: 5.5em 1fr auto; gap: 10px; font-size: 14px; }
.history li button:hover { background: var(--panel); }
.history li.current button { background: var(--panel); }
.history .when { color: var(--soft); font-variant-numeric: tabular-nums; }
.history .mark { color: var(--soft); font-size: 12px; }
.credit { margin-top: 30px; color: var(--faint); font-size: 12px; }
.credit a { color: var(--faint); }

.landing { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 22px; font-size: 14px; padding: 10px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.landing-label { color: var(--soft); letter-spacing: .06em; text-transform: uppercase; font-size: 12px; }
.landing label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.landing input { accent-color: #f2f2f2; }
.landing a { color: var(--soft); font-size: 13px; }

[hidden] { display: none !important; }   /* the Detailed panel is a grid; keep it hidden in Simple mode */