:root{font-family:Arial,Helvetica,sans-serif;color:#242925;background:#f3f2ec;font-synthesis:none;--green:#d6ed87;--muted:#677063;--line:#d9dcd3;--ink:#242e29}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid #8da34c;outline-offset:4px}button:disabled{cursor:default;opacity:.5}[hidden]{display:none!important}header,main,footer{max-width:1320px;margin:auto}header{height:96px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 38px;gap:20px}.brand{color:inherit;text-decoration:none;font-size:24px;font-weight:800;letter-spacing:-1px;display:flex;align-items:center;gap:10px}.brand-icon{font-size:38px;letter-spacing:-9px;margin-right:8px}.brand-sub{font-size:9px;letter-spacing:1.7px;font-weight:500;border-left:1px solid #b8beb1;margin-left:12px;padding-left:20px;max-width:142px;line-height:1.6}.header-actions{display:flex;align-items:center;gap:25px}.header-link{font-size:12px;color:inherit;text-decoration:none}.install-open,.light-button{font-size:12px;color:inherit;background:transparent;border:1px solid #bbc4ac;border-radius:7px;padding:12px 16px;min-height:44px}.install-open span{margin-left:14px}main{padding:0 38px}.intro{display:grid;grid-template-columns:1.7fr 1fr;align-items:center;gap:70px;padding:46px 0 40px}.eyebrow{font-size:10px;letter-spacing:1.5px;font-weight:700;display:flex;align-items:center;gap:8px}.dot{width:7px;height:7px;background:#88a546;border-radius:50%}h1{font-size:clamp(36px,4.1vw,56px);line-height:1.06;letter-spacing:-2.2px;font-weight:500;margin:20px 0}h1 em{font-family:Georgia,serif;font-weight:400;letter-spacing:-1.8px}.lead{max-width:570px;font-size:14px;line-height:1.7;color:var(--muted)}.intro-note{padding:15px 0 15px 30px;border-left:1px solid #c7cfba;display:flex;flex-direction:column;gap:15px}.intro-number{font-family:Georgia,serif;font-size:48px;letter-spacing:-3px}.intro-number span{color:#8b9b71}.intro-note>span:nth-child(2){font-size:9px;letter-spacing:1.5px;color:var(--muted)}.intro-note p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.workspace{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.1fr);gap:36px;align-items:start}.section-heading{display:flex;align-items:center;gap:12px;margin:0 0 16px}.section-heading h2{font-size:18px;font-weight:500;letter-spacing:-.5px;margin:0}.step{font-size:10px;border:1px solid #bcc4b1;border-radius:50%;width:28px;height:28px;display:grid;place-items:center}.small-label{font-size:8px;letter-spacing:1.1px;color:var(--muted);margin-left:auto}.genres{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.genre{border:1px solid var(--line);background:transparent;border-radius:8px;min-height:80px;font-size:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.genre:hover{background:#e9ecdf}.genre.active{background:var(--green);border-color:#b4cb76}.genre span{font-size:26px;line-height:1}.filters-heading{margin-top:29px}.brands{display:grid;grid-template-columns:1fr 1fr;background:#e3e7db;border-radius:8px;padding:4px;gap:4px}.brands button{border:0;min-height:46px;background:transparent;border-radius:5px;font-size:13px;display:flex;align-items:center;justify-content:center;gap:10px;color:#53624c}.brands small{font-size:7px;letter-spacing:1px}.brands .active{background:#fff;color:#273324;box-shadow:0 1px 4px #24332214}.family-hint{font-size:10px;color:var(--muted);line-height:1.6;margin:12px 0 15px;min-height:16px}.filters{display:flex;flex-direction:column;gap:8px}.filter{display:flex;align-items:center;text-align:left;gap:13px;padding:8px 14px 8px 9px;min-height:73px;border:1px solid var(--line);border-radius:8px;background:#fafaf6}.filter:hover{border-color:#889775}.filter.active{border-color:#8b9b67;background:#e9efdc}.filter strong{font-size:13px;font-weight:500;display:block}.filter small{display:block;color:var(--muted);font-size:10px;margin-top:6px}.filter-image{width:50px;height:50px;display:grid;place-items:center;flex-shrink:0;border-radius:5px;background:#fff}.filter-image img{max-height:45px;max-width:46px;object-fit:contain}.original-icon{background:#e1e8d1;color:#617c32;font-size:32px}.radio{width:16px;height:16px;border:1px solid #b5bca9;border-radius:50%;margin-left:auto;flex-shrink:0}.active .radio{border:5px solid #627b37;background:#fff}.swipe-hint{display:none}.player{border-radius:14px;background:var(--ink);color:#f3f5ed;padding:27px 30px 23px;position:sticky;top:18px;overflow:hidden}.player-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.player .eyebrow{color:#b8c5b5;font-size:9px;letter-spacing:1.1px}.live-badge{font-size:8px;letter-spacing:1px;color:#d9ebad;border:1px solid #52614b;border-radius:20px;padding:6px 9px;white-space:nowrap}.track-genre{font-size:9px;letter-spacing:2px;color:#d4e69f;margin:25px 0 11px}.player h2{font-size:29px;letter-spacing:-1px;line-height:1.15;font-weight:400;margin:0}.player-description{font-size:11px;color:#b5c1b1;line-height:1.7;margin:9px 0 22px}.detail-tabs{display:flex;border-bottom:1px solid #52604d;gap:18px;margin-bottom:20px}.detail-tabs button{border:0;border-bottom:2px solid transparent;background:transparent;color:#b8c6b2;font-size:11px;min-height:44px;padding:8px 0 12px}.detail-tabs [aria-selected=true]{color:var(--green);border-bottom-color:var(--green)}.data-panel{min-height:322px}.chart-heading{display:flex;justify-content:space-between;font-size:7px;letter-spacing:.9px;color:#b5c5a9;gap:8px;margin-bottom:5px;line-height:1.7}.frequency-chart svg{display:block;width:100%;height:auto;overflow:visible}.frequency-chart text{font-family:Arial,Helvetica,sans-serif;fill:#b9c6b3;font-size:12px}.chart-grid{stroke:#65715c;stroke-width:.7;opacity:.45}.chart-line{fill:none;stroke:#d6ed87;stroke-width:3;stroke-linejoin:round}.chart-apv{fill:none;stroke:#c6d6b7;stroke-width:1.8;stroke-dasharray:5 5}.chart-band{fill:#bfd79a;opacity:.12}.chart-dot{fill:#d6ed87;stroke:#253227;stroke-width:2}.chart-dot:focus{outline:none;stroke:#fff;stroke-width:4}.chart-legend{display:flex;gap:13px;flex-wrap:wrap;min-height:17px;font-size:9px;color:#c6d3bb;line-height:1.6}.chart-legend span{display:flex;align-items:center;gap:5px}.legend-line{width:17px;height:2px;background:var(--green)}.legend-dash{width:17px;height:0;border-top:1px dashed #c6d6b7}.legend-fill{width:13px;height:7px;background:#7e9363}.curve-caption{font-size:10px;line-height:1.7;color:#bac7b0;margin-top:12px}.rating-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:7px 0 19px}.rating-stats div{border:1px solid #52604a;border-radius:6px;padding:10px 8px}.rating-stats dt{font-size:9px;color:#a9b99f;letter-spacing:1px}.rating-stats dd{font-size:23px;margin:7px 0 0;font-variant-numeric:tabular-nums}.rating-stats small{font-size:9px;color:#a9b99f}.table-scroll{overflow:auto;scrollbar-width:thin;scrollbar-color:#82956f #263328}table{border-collapse:collapse;width:100%;font-size:10px;font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}th,td{padding:10px 5px;border-bottom:1px solid #465441}th{font-weight:400;color:#b3c3a7}th:first-child,td:first-child{text-align:left}td{color:#e7eddc}.table-explanation{font-size:10px;line-height:1.75;color:#b5c4aa;margin:17px 0}.product-description{font-size:12px;line-height:1.7;color:#d6e2ca;margin:3px 0 17px}.product-facts{margin:0}.product-facts>div{display:grid;grid-template-columns:95px 1fr;gap:10px;border-bottom:1px solid #47533f;padding:9px 0;font-size:10px;line-height:1.6}.product-facts dt{color:#a9bb9d}.product-facts dd{margin:0;color:#e2e9d7}.product-source{display:flex;flex-wrap:wrap;gap:15px;margin-top:17px}.product-source a{font-size:10px;color:#d7e7b6;text-underline-offset:4px}.product-alert{border:1px solid #c9ae66;background:#6f5a3026;padding:11px 13px;border-radius:6px;font-size:11px;line-height:1.6;color:#e9d9ad;margin:15px 0}.transport{display:flex;align-items:center;justify-content:center;gap:32px;margin-top:8px}.icon-button{border:0;color:#b8c6b2;background:transparent;font-size:25px;width:44px;height:44px}.icon-button.selected{color:var(--green);border-bottom:1px solid #a8be79}.play-button{border:0;border-radius:50%;background:var(--green);width:60px;height:60px;display:grid;place-items:center}.play-button svg{width:24px;height:24px;fill:#263324}.seek-row{display:flex;align-items:center;gap:12px;margin:20px 0}.seek-row span{font-size:10px;font-variant-numeric:tabular-nums;color:#bac5b6;min-width:27px}input[type=range]{accent-color:#cde49a;cursor:pointer;height:26px;min-width:0}.seek-row input{flex:1}.volume-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid #475147;border-bottom:1px solid #475147}.volume-row label{font-size:10px;color:#bfcbba}.volume-row input{flex:1}.volume-row output{font-size:10px;min-width:35px;text-align:right}#status{font-size:10px;line-height:1.6;color:#c7d0c0;min-height:20px;margin:15px 0 12px}.compare-button{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;background:transparent;color:#e5eccf;border:1px solid #738565;border-radius:6px;padding:12px 15px;font-size:11px;min-height:44px}.compare-button span{font-size:18px}.listening-tip{font-size:10px;line-height:1.7;color:#adbaa4;margin:16px 0 0}.notes{border-top:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.1fr;gap:60px;padding:44px 0;margin-top:48px}.notes h2,.app-section h2{font-family:Georgia,serif;font-size:31px;font-weight:400;line-height:1.18;letter-spacing:-.5px}.notes h3{font-size:13px;font-weight:500;margin:10px 0}.notes p:not(.eyebrow),.app-section p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.8;margin-top:0}.source-links{display:flex;flex-wrap:wrap;gap:20px}.source-links a{font-size:11px;color:inherit;text-underline-offset:4px}.app-section{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:32px 0 44px;border-top:1px solid var(--line)}.app-section h2{margin:15px 0}.offline-card{border:1px solid #bdc8ab;border-radius:10px;background:#eaf0dd;padding:25px}.offline-card h3{font-size:17px;font-weight:500;margin:0 0 12px}.offline-dot{float:right;border-radius:50%;width:8px;height:8px;background:#a4b78b;margin-top:4px}.offline-dot.ready{background:#4b7c38}.app-section .offline-fineprint{font-size:10px;margin-top:13px;margin-bottom:0}progress{width:100%;accent-color:#627c3b;margin-top:16px}footer{border-top:1px solid var(--line);padding:23px 38px 30px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:8px;letter-spacing:.8px}dialog{border:1px solid #c4cdb6;border-radius:15px;background:#f3f2ec;color:#253025;max-width:470px;width:calc(100% - 32px);padding:30px;box-shadow:0 15px 60px #13211042}dialog::backdrop{background:#14201699}dialog h2{font-family:Georgia,serif;font-weight:400;font-size:31px;margin-top:24px}dialog ol{padding-left:19px}dialog li{font-size:13px;line-height:1.8;padding:8px 0 8px 4px}dialog p:not(.eyebrow){font-size:11px;line-height:1.8;color:var(--muted)}.dialog-close{float:right;border:0;background:transparent;color:#354a2b;font-size:30px;width:35px;height:35px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media(max-width:1000px){.workspace{gap:25px;grid-template-columns:minmax(0,.8fr) minmax(0,1fr)}.player{padding:24px 22px}.player h2{font-size:26px}.small-label{display:none}.brand-sub{display:none}.intro{gap:30px}.chart-heading{font-size:6px}.data-panel{min-height:300px}.notes{gap:30px}}@media(max-width:720px){header{height:76px;padding-left:20px;padding-right:20px}.brand{font-size:21px}.header-link{display:none}.install-open{font-size:10px;padding:10px 12px}.header-actions{gap:0}main{padding:0 20px}.intro{padding:29px 0 27px;grid-template-columns:1fr}.intro-note{display:none}h1{font-size:38px;letter-spacing:-1.8px;margin:17px 0}h1 em{letter-spacing:-1.4px}.lead{font-size:12px;margin:0;line-height:1.7}.eyebrow{font-size:8px;letter-spacing:1.2px}.workspace{grid-template-columns:1fr;gap:17px}.section-heading{margin-bottom:12px}.section-heading h2{font-size:16px}.genres{gap:8px}.genre{min-height:65px;gap:6px;font-size:11px}.genre span{font-size:22px}.filters-heading{margin-top:20px}.brands button{min-height:43px;font-size:12px}.family-hint{font-size:10px;margin:10px 0}.filters{flex-direction:row;overflow:auto;scroll-snap-type:x proximity;padding:2px 2px 8px;scrollbar-width:thin;scrollbar-color:#b4c09d transparent}.filter{flex:0 0 155px;min-height:95px;gap:8px;scroll-snap-align:start;align-items:center;padding:10px;position:relative}.filter strong{font-size:11px;line-height:1.4}.filter small{font-size:8px;line-height:1.4;margin-top:5px}.filter-image{width:34px;height:39px}.filter-image img{max-width:33px;max-height:36px}.radio{position:absolute;width:10px;height:10px;right:7px;top:7px}.active .radio{border-width:3px}.swipe-hint{display:block;font-size:9px;color:#73815f;margin:1px 0 6px}.player{position:relative;top:0;padding:23px 20px}.track-genre{margin-top:19px}.player h2{font-size:28px}.player-description{margin-bottom:14px}.detail-tabs{margin-bottom:17px;gap:24px}.detail-tabs button{font-size:11px}.data-panel{min-height:280px}.frequency-chart text{font-size:13px}.chart-heading{font-size:6px}.curve-caption{font-size:10px}.rating-stats dd{font-size:22px}.product-facts>div{font-size:10px;grid-template-columns:80px 1fr}.notes{grid-template-columns:1fr;gap:0;padding:29px 0;margin-top:30px}.notes h2{font-size:28px}.notes p:not(.eyebrow){font-size:11px}.notes h3{font-size:12px}.app-section{grid-template-columns:1fr;gap:20px;padding:28px 0}.app-section h2{font-size:28px}.offline-card{padding:21px}.app-section p:not(.eyebrow){font-size:11px}footer{padding:22px 20px 25px;flex-direction:column;gap:10px;font-size:7px;line-height:1.8}}@media(display-mode:standalone){.header-link{display:none}.intro{padding-top:26px}.install-open{font-size:0}.install-open:before{content:'App-Info';font-size:11px}.install-open span{display:none}}
:root .rating-stats{display:block}.rating-stats dl{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
:root .workspace>*{min-width:0}.filters{max-width:100%}@media(max-width:720px){.workspace{grid-template-columns:minmax(0,1fr)}}
@media(max-width:1000px){.frequency-chart text{font-size:20px}}@media(max-width:400px){.frequency-chart text{font-size:22px}}
/* Version 3: a single neutral filter catalogue in a full dark interface. */
:root{color-scheme:dark;background:#101512;color:#e9f0e2;--green:#cee990;--muted:#a3b29b;--line:#2d392f;--ink:#18211b}
header{background:#101512}.intro em{color:#cce29f}.intro-note{border-color:#394933}.intro-number span{color:#8ba46d}.step{border-color:#53684b;color:#c8d7b6}
.genre{border-color:#344331;color:#d9e4ce}.genre:hover{background:#1d291d}.genre.active{background:var(--green);border-color:#b4cf7c;color:#1d2b18}
.filter{background:#17201a;border-color:#334330;color:#e4edda}.filter:hover{background:#1d2a1e;border-color:#7d975e}.filter.active{background:#273820;border-color:#9bb96d}.filter small{color:#a4b997}.filter-image{background:#dbe3d1}.original-icon{background:#33472a;color:#d0e99d}.radio{border-color:#6d825a}.active .radio{border-color:#bad782;background:#1b2b16}
.player{background:#18211b;border:1px solid #344630}.light-button,.install-open{border-color:#596e46;background:#1a251b;color:#dceacb}.light-button:hover,.install-open:hover{background:#293a23}.offline-card{background:#1c2a1d;border-color:#4d643b}.offline-dot{background:#708660}.notes h3{color:#d7e8c0}.source-links a{color:#cfe59f}dialog{background:#19221a;color:#e7efdc;border-color:#5b7047}.dialog-close{color:#d0e1bd}
/* Buffered PCM player and actual post-filter frequency levels. */
.chart-zero{stroke:#94ab78;stroke-width:1.3}.data-panel{min-height:425px}.live-spectrum{border-top:1px solid #344630;margin-top:15px;padding-top:12px}.spectrum-heading{display:flex;justify-content:space-between;gap:8px;font:8px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;color:#a7ba96;letter-spacing:.5px}.spectrum-heading b{font-size:7px;color:#cee990;margin-left:7px;font-weight:500}.spectrum-bars{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:10px;margin-top:10px}.spectrum-column{text-align:center;min-width:0}.spectrum-track{height:52px;position:relative;border-bottom:1px solid #4c603e;background:repeating-linear-gradient(to top,transparent 0,transparent 16px,#2c3b28 17px)}.spectrum-track i{display:block;position:absolute;bottom:0;left:22%;right:22%;height:0;background:linear-gradient(to top,#7d9c54,#cee990);border-radius:2px 2px 0 0}.spectrum-column>span{display:block;font:8px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;color:#a0b18e}.live-spectrum>p{font-size:9px;color:#8b9f7b;line-height:1.6;margin:7px 0 0}@media(max-width:1000px){.data-panel{min-height:410px}}@media(max-width:720px){.data-panel{min-height:365px}.spectrum-track{height:43px}.spectrum-bars{gap:7px}.spectrum-heading{font-size:7px}.live-spectrum>p{font-size:8px}}