/* Waveguide Explorer - Visual Experience. Appearance only. Reuses .wg-status / .wg-btn / .wg-note / .wg-readouts from waveguide-explorer.css. */
.wv{margin:2rem 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);overflow:hidden}
.wv__head{display:flex;flex-wrap:wrap;gap:.6rem 1.2rem;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:1px solid var(--line);background:#f4f9f9}
.wv__head h2{margin:0;font-size:1.35rem;letter-spacing:-.01em}
.wv__status{font-size:1.05rem;padding:.5rem 1.1rem}
.wv__stage{position:relative;background:radial-gradient(120% 90% at 50% 40%,#ffffff 0%,#f3f6fa 60%,#e4eaf1 100%);border-bottom:1px solid var(--line);overflow:hidden}
.wv__stage canvas{display:block;width:100%;height:min(64vh,600px);min-height:320px;touch-action:none;cursor:grab}
.wv__stage canvas[data-dragging="true"]{cursor:grabbing}
.wv__stage canvas:focus-visible{outline:3px solid #7ab4ff;outline-offset:-3px}
.wv__hint{position:absolute;left:.9rem;bottom:.7rem;max-width:calc(100% - 1.8rem);margin:0;padding:.25rem .65rem;border-radius:999px;background:rgba(255,255,255,.85);font-size:.8rem;color:var(--muted)}
.wv__hint[hidden]{display:none}
.wv__label{position:absolute;transform:translate(-50%,-50%);padding:.18rem .55rem;border-radius:.5rem;background:rgba(255,255,255,.88);border:1px solid #d3dbe6;font-size:.82rem;line-height:1.25;color:var(--ink);white-space:nowrap;pointer-events:none;text-align:center}
.wv__label[hidden]{display:none}
.wv__label strong{display:block;color:var(--orbit-dark)}
.wv__label small{display:block;color:var(--muted);font-size:.74rem}
.wv__label--dim{font-weight:700;color:#38404f;font-variant-numeric:tabular-nums}
.wv__fallback{padding:2rem;text-align:center}
.wv__controls{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:1.2rem 2rem;align-items:start;padding:1.1rem 1.25rem}
.wv__freq label{display:flex;justify-content:space-between;align-items:baseline;font-weight:800;margin-bottom:.15rem}
.wv__freq output{font-variant-numeric:tabular-nums}
.wv__freq label output{font-size:1.5rem;color:var(--orbit-dark)}
/* slider: red track below cutoff, green above, with a prominent cutoff marker */
.wv__slider{--p:.5;position:relative;padding-top:2rem}
.wv__slider input[type=range]{-webkit-appearance:none;appearance:none;display:block;width:100%;height:2.2rem;margin:0;background:transparent;cursor:pointer}
.wv__slider input[type=range]::-webkit-slider-runnable-track{height:12px;border-radius:999px;background:linear-gradient(to right,#f0b4ab 0,#f0b4ab calc(11px + (100% - 22px) * var(--p)),#9fd8c1 calc(11px + (100% - 22px) * var(--p)),#9fd8c1 100%)}
.wv__slider input[type=range]::-moz-range-track{height:12px;border-radius:999px;background:linear-gradient(to right,#f0b4ab 0,#f0b4ab calc(11px + (100% - 22px) * var(--p)),#9fd8c1 calc(11px + (100% - 22px) * var(--p)),#9fd8c1 100%)}
.wv__slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;margin-top:-6px;border-radius:50%;background:#fff;border:4px solid var(--orbit-dark);box-shadow:0 1px 4px rgba(0,0,0,.35)}
.wv__slider input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--orbit-dark);box-shadow:0 1px 4px rgba(0,0,0,.35)}
.wv__slider input[type=range]:focus-visible{outline:3px solid #7ab4ff;outline-offset:2px;border-radius:.4rem}
.wv__cutoff{position:absolute;top:0;left:calc(12px + (100% - 24px) * var(--p));transform:translateX(-50%);padding:0;border:0;background:none;color:#7a4700;font-weight:800;font-size:.88rem;white-space:nowrap;cursor:pointer;height:3.2rem}
.wv__cutoff span{display:block;padding:.1rem .5rem;border-radius:.4rem;background:#fff3d6;border:1px solid #e3b95c}
.wv__cutoff::after{content:"";display:block;width:4px;height:1.35rem;margin:0 auto;background:#c98a00;border-radius:2px}
.wv__cutoff:hover span,.wv__cutoff:focus-visible span{background:#ffe7a8}
.wv__cutoff:focus-visible{outline:3px solid #7ab4ff;outline-offset:2px}
.wv__states{display:flex;gap:.4rem;margin:.3rem 0 .4rem;padding:0;list-style:none}
.wv__states li{flex:1;padding:.4rem .5rem;border-radius:.6rem;border:1px solid var(--line);background:#f7f9fb;color:#6b7585;text-align:center;font-weight:700;font-size:.9rem}
.wv__states li[data-wv-chip="below"][data-active="true"]{background:#fde8e5;border-color:#d9776a;color:#9e2217}
.wv__states li[data-wv-chip="at"][data-active="true"]{background:#fff3d6;border-color:#d9a93a;color:#7a4700}
.wv__states li[data-wv-chip="above"][data-active="true"]{background:#e3f5ee;border-color:#58b592;color:#0b6b4b}
.wv__states li[data-active="true"]{box-shadow:0 0 0 2px currentColor inset}
.wv__help{display:block;font-size:.82rem;color:var(--muted)}
.wv__actions{display:grid;gap:.8rem;justify-items:start}
.wv__seg{display:inline-flex;border:1px solid #b9c3d1;border-radius:999px;overflow:hidden;background:#fff}
.wv__seg button{padding:.5rem 1rem;border:0;background:none;font-weight:800;color:var(--muted)}
.wv__seg button[aria-pressed="true"]{background:var(--orbit-dark);color:#fff}
.wv__seg button:focus-visible{outline:3px solid #7ab4ff;outline-offset:-3px}
.wv__buttons{display:flex;flex-wrap:wrap;gap:.5rem}
.wv__slice{display:grid;gap:.15rem;width:100%}
.wv__slice[hidden]{display:none}
.wv__slice label{font-weight:800;font-size:.9rem}
.wv__slice input{width:100%;accent-color:var(--orbit)}
.wv__explain{padding:0 1.25rem}
.wv__explain .wg-note{font-size:1.05rem;margin-bottom:.8rem}
.wv__key{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;padding:0 1.25rem 1rem;font-size:.88rem;color:var(--muted)}
.wv__swatch{display:inline-block;width:1.4rem;height:.22rem;border-radius:2px;vertical-align:middle;margin-right:.35rem}
.wv__swatch--up{background:#e66600}.wv__swatch--down{background:#6b45db}
.wv__adv{border-top:1px solid var(--line);background:#fbfcfd}
.wv__adv summary{padding:.85rem 1.25rem;font-weight:800;cursor:pointer;color:var(--orbit-dark)}
.wv__adv summary:focus-visible{outline:3px solid #7ab4ff;outline-offset:-3px}
.wv__adv-body{padding:0 1.25rem 1.1rem}
.wv__adv-body pre{margin:.6rem 0;padding:.7rem .9rem;border-radius:.6rem;background:#eef3f6;overflow-x:auto;font-size:.9rem}
.wv__adv-body ul{padding-left:1.1rem;color:var(--muted);font-size:.9rem}
@media (max-width:760px){
  .wv__controls{grid-template-columns:minmax(0,1fr)}
  .wv__stage canvas{height:clamp(260px,44vh,400px);min-height:260px}
  .wv__label{font-size:.72rem;padding:.12rem .4rem}
  .wv__label small{display:none}
  .wv__states li{font-size:.78rem;padding:.35rem .25rem}
}
@media (prefers-reduced-motion:reduce){.wv *{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

.wv__tip{position:absolute;top:.7rem;left:50%;transform:translateX(-50%);max-width:calc(100% - 1.8rem);margin:0;padding:.45rem .9rem;border-radius:.7rem;background:#fff3d6;border:1px solid #e3b95c;color:#5c3800;font-size:.92rem;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.wv__tip[hidden]{display:none}
.wv[data-slice-tip="true"] .wv__slice{padding:.55rem .7rem;border-radius:.6rem;background:#fff8e6;border:1px solid #e3b95c}