/* audio.css: the audio tests (/mic-test, /speaker-test, /headphone-test,
   /surround-sound-test). Builds on site.css components and uses only its
   tokens, so light and dark themes both work. Classes start with au-, mic-
   or sur-, under the test panel (.tool.au). */

/* Shared: controls row, blocks, pressed buttons */
.au-controls { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: end; }
.au-vol { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; flex: 1 1 220px; max-width: 360px; }
.au-vol input, .au-balance input { grid-column: 1 / -1; }
.au-vol output, .au-balance output { font: 500 14px var(--f-mono); font-variant-numeric: tabular-nums; color: var(--accent); }
.au-sink { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: end; flex: 1 1 260px; }
.au-sink label { flex: 1 1 200px; }
.au-device { flex: 1 1 260px; max-width: 460px; }
.au-block { display: grid; gap: 12px; padding-top: 18px; border-top: 1px solid var(--line); }
.au-block h2 { font-size: 19px; }
.au-block .fine { max-width: 70ch; }
.au .ghost[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.au .warn ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.au-now { min-height: 1.55em; margin: 0; color: var(--accent); font-weight: 600; font-size: 15px; }
.au-answers .seg button, .au-ask .seg button { padding: 7px 11px; font-size: 14px; }
.au-ask { padding: 0; border: 0; }
.au-progress { height: 8px; max-width: 420px; }
.au-pick { max-width: 320px; }
.au-clock { color: var(--muted); font-size: 14px; }

/* Speakers that light up while their side plays */
.au-pair { display: flex; gap: 12px; max-width: 420px; }
.au-spk { flex: 1 1 0; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--sunk); color: var(--muted); font-weight: 600; transition: background-color .15s, color .15s, border-color .15s; }
.au-spk .ico { width: 34px; height: 34px; }
.au-spk-r .ico { transform: scaleX(-1); }
.au-spk.is-on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }

/* Speaker test: sweep */
.au-sweep { display: grid; gap: 10px; max-width: 420px; }

/* Headphone test: bands and balance */
.au-bands .status-row { padding: 8px 0; }
.au-bands .status-row > button { flex: none; }
.au-balance { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; max-width: 420px; }
.au-balance-ends { display: flex; justify-content: space-between; max-width: 420px; margin-top: -6px; color: var(--muted); font-size: 13px; }

/* Mic test */
.mic-verdict { display: flex; gap: 14px; align-items: flex-start; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--sunk); }
.mic-verdict > .led { margin-top: 9px; }
.mic-verdict.is-pass { border-color: color-mix(in srgb, var(--ok) 45%, transparent); background: var(--ok-soft); }
.mic-verdict.is-warn { border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: var(--warn-soft); }
.mic-verdict.is-fail { border-color: color-mix(in srgb, var(--crit) 45%, transparent); background: var(--crit-soft); }
.mic-verdict-title { margin: 0; font: 600 clamp(19px, 2.4vw, 24px)/1.25 var(--f-body); }
.mic-verdict-detail { margin: 4px 0 0; color: var(--muted); }
.mic-level { display: grid; gap: 6px; }
.mic-meter-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 12px; font-weight: 600; }
.mic-meter-head .fine { font-weight: 400; }
.mic-scale { display: flex; justify-content: space-between; color: var(--muted); font: 12px var(--f-mono); }
.mic-graphs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.mic-graph { display: grid; gap: 6px; margin: 0; min-width: 0; }
.mic-graph figcaption { color: var(--muted); font-size: 14px; }
.mic-graph .scope { height: 140px; }
.au-split fieldset { gap: 8px; }
.mic audio { width: 100%; max-width: 480px; }

/* Surround test */
.sur-top { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; }
.sur-stage { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 24px; align-items: start; }
@media (max-width: 760px) { .sur-stage { grid-template-columns: minmax(0, 1fr); } }
.sur-side { display: grid; gap: 10px; min-width: 0; }
.sur-map { display: block; width: 100%; max-width: 340px; height: auto; aspect-ratio: 1; margin-inline: auto; }
.sur-room { fill: var(--sunk); stroke: var(--line); stroke-width: .6; }
.sur-screen { fill: var(--line-strong); }
.sur-head { fill: none; stroke: var(--muted); stroke-width: .8; stroke-linecap: round; stroke-linejoin: round; }
.sur-you { fill: var(--muted); font: 500 3.6px var(--f-body); }
.sur-spk { cursor: pointer; }
.sur-spk rect { fill: var(--panel); stroke: var(--line-strong); stroke-width: .6; transition: fill .15s, stroke .15s; }
.sur-spk text { fill: var(--ink); font: 600 3.6px var(--f-mono); pointer-events: none; }
.sur-spk:hover rect { stroke: var(--accent); }
.sur-spk.is-pass rect { fill: var(--ok-soft); stroke: var(--ok); stroke-width: 1.1; }
.sur-spk.is-fail rect { fill: var(--crit-soft); stroke: var(--crit); stroke-width: 1.1; }
.sur-spk.is-on rect { fill: var(--accent); stroke: var(--accent); }
.sur-spk.is-on text { fill: var(--accent-ink); }
.sur-list .status-row { gap: 6px 10px; padding: 9px 0; }
.sur-list .status-row > button { flex: none; }
.sur-list .seg button { padding: 6px 10px; font-size: 14px; }