:root{--ink:#0f172a;--muted:#64748b;--line:#dbe4f0;--bg:#f6f8fc;--card:#fff;--brand:#2563eb;--brand2:#06b6d4;--ok:#16a34a;--warn:#f59e0b;--danger:#ef4444;--radius:20px;--shadow:0 18px 50px rgba(15,23,42,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}img,svg{max-width:100%;height:auto}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;z-index:10000;background:#fff;padding:.75rem 1rem;border-radius:10px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,228,240,.85)}.nav-wrap{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1.25rem}.brand{display:flex;align-items:center;min-width:230px}.brand img{width:265px;display:block}.nav-toggle{display:none;border:0;background:#eef4ff;font-size:1.4rem;border-radius:10px;padding:.5rem .7rem}.nav{display:flex;align-items:center;gap:.25rem;flex-wrap:wrap;justify-content:flex-end}.nav a{color:#334155;font-weight:700;font-size:.92rem;padding:.62rem .72rem;border-radius:10px}.nav a:hover,.nav a[aria-current="page"]{background:#eaf2ff;color:#1d4ed8;text-decoration:none}.shell{max-width:1240px;margin:auto;padding:2rem 1.25rem 4rem}.hero{background:linear-gradient(135deg,#0f172a 0%,#172554 55%,#0e7490 120%);border-radius:28px;padding:clamp(2rem,5vw,5rem);color:#fff;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-130px;top:-160px;background:rgba(34,211,238,.16)}.eyebrow{display:inline-flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:.35rem .7rem;border-radius:999px;font-weight:800;font-size:.83rem;letter-spacing:.04em;text-transform:uppercase}.hero h1{font-size:clamp(2.25rem,6vw,4.5rem);line-height:1.04;margin:.8rem 0 1rem;max-width:880px}.hero p{font-size:clamp(1rem,2vw,1.25rem);color:#dbeafe;max-width:760px}.actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.5rem}.btn{appearance:none;border:0;border-radius:12px;padding:.85rem 1.1rem;font-weight:800;font-size:1rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;background:var(--brand);color:#fff;text-decoration:none;box-shadow:0 8px 24px rgba(37,99,235,.22)}.btn:hover{transform:translateY(-1px);text-decoration:none}.btn-light{background:#fff;color:#0f172a}.btn-ghost{background:transparent;border:1px solid #cbd5e1;color:#334155;box-shadow:none}.section{margin-top:2.4rem}.section-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1rem}.section h2{font-size:clamp(1.55rem,3vw,2.35rem);line-height:1.18;margin:.2rem 0}.lead{font-size:1.08rem;color:var(--muted);max-width:780px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:0 8px 28px rgba(15,23,42,.05)}.card h3{margin:.25rem 0 .4rem;font-size:1.15rem}.card p{margin:.25rem 0;color:var(--muted)}.tool-card{display:block;color:inherit;transition:.2s}.tool-card:hover{transform:translateY(-3px);border-color:#93c5fd;text-decoration:none;box-shadow:var(--shadow)}.icon{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:#eaf2ff;font-size:1.35rem;margin-bottom:.7rem}.article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(1.25rem,4vw,3rem);box-shadow:var(--shadow)}.article h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.08}.article h2{margin-top:2rem;line-height:1.2}.article p,.article li{color:#334155}.article img{border-radius:16px}.notice{border-left:4px solid var(--brand);background:#eff6ff;padding:1rem 1.1rem;border-radius:0 12px 12px 0}.tool-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:1.2rem;box-shadow:var(--shadow)}.toolbar{display:flex;gap:.65rem;flex-wrap:wrap;align-items:center}.control{padding:.72rem .8rem;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:#0f172a;font:inherit}.screen-stage{min-height:430px;border-radius:18px;margin-top:1rem;display:grid;place-items:center;overflow:hidden;background:#111827;position:relative}.screen-stage.full{position:fixed;inset:0;z-index:5000;border-radius:0;margin:0}.screen-controls{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;background:rgba(15,23,42,.74);backdrop-filter:blur(9px);padding:.55rem;border-radius:14px}.screen-controls .btn{padding:.6rem .8rem}.color-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.65rem}.swatch{height:85px;border-radius:14px;border:2px solid rgba(15,23,42,.12);cursor:pointer;font-weight:800}.test-canvas{width:100%;height:100%;min-height:430px}.meter{height:12px;background:#e2e8f0;border-radius:999px;overflow:hidden}.meter>span{display:block;height:100%;background:linear-gradient(90deg,var(--brand2),var(--brand));width:0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}.stat{padding:1rem;background:#f8fafc;border:1px solid var(--line);border-radius:14px}.stat b{display:block;font-size:1.2rem}.key-grid{display:grid;grid-template-columns:repeat(15,minmax(34px,1fr));gap:5px}.key{min-height:42px;border:1px solid #cbd5e1;background:#f8fafc;border-radius:7px;display:grid;place-items:center;font-size:.78rem;font-weight:700}.key.hit{background:#dcfce7;border-color:#22c55e;color:#166534}.touch-area{height:500px;border-radius:18px;background:#0f172a;touch-action:none;position:relative;overflow:hidden}.touch-dot{position:absolute;width:26px;height:26px;margin:-13px;border:3px solid #fff;border-radius:50%;background:#22d3ee}.audio-row{display:grid;grid-template-columns:1fr auto;gap:1rem;align-items:center;padding:1rem 0;border-bottom:1px solid var(--line)}.footer{background:#0f172a;color:#cbd5e1}.footer-wrap{max-width:1240px;margin:auto;padding:2.5rem 1.25rem;display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}.footer a{color:#dbeafe}.footer h3{color:#fff}.footnote{max-width:1240px;margin:auto;padding:1rem 1.25rem;border-top:1px solid #334155;color:#94a3b8}.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:1rem}@media(max-width:960px){.grid,.grid-4{grid-template-columns:repeat(2,1fr)}.nav-toggle{display:block}.nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:1rem;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav.open{display:grid;grid-template-columns:repeat(2,1fr)}.brand img{width:230px}.footer-wrap{grid-template-columns:1fr 1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.shell{padding:1rem .85rem 3rem}.hero{border-radius:20px;padding:2rem 1.15rem}.grid,.grid-4,.footer-wrap{grid-template-columns:1fr}.nav-wrap{padding:.65rem .85rem}.brand{min-width:0}.brand img{width:195px}.color-grid{grid-template-columns:repeat(2,1fr)}.screen-stage,.test-canvas{min-height:62vh}.stat-grid{grid-template-columns:1fr 1fr}.key-grid{grid-template-columns:repeat(10,minmax(28px,1fr));overflow:auto}.article{border-radius:18px}.audio-row{grid-template-columns:1fr}.btn{width:auto}.actions .btn{flex:1 1 180px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}


/* Keyboard tester states */
.key.hit {
  background: var(--accent, #2563eb);
  border-color: #60a5fa;
  color: #fff;
  box-shadow: 0 0 0 2px rgba(96,165,250,.22), 0 8px 24px rgba(37,99,235,.25);
}
.key.active {
  transform: translateY(2px) scale(.98);
  box-shadow: 0 0 0 3px rgba(34,211,238,.3), 0 0 22px rgba(34,211,238,.38);
}

/* Performance, stability and interaction enhancements */
html{font-synthesis:none;text-rendering:optimizeLegibility;-webkit-text-size-adjust:100%}
body{min-height:100vh;overflow-wrap:break-word;-webkit-tap-highlight-color:transparent}
button,input,select,textarea{font:inherit}
button,.btn,.nav a,.tool-card,.swatch{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #22d3ee;outline-offset:3px}
.nav-toggle,.btn,.control{min-height:44px}
.section:not(:first-child),.footer{content-visibility:auto;contain-intrinsic-size:1px 700px}
.article img{display:block;width:100%;background:#eef2f7;aspect-ratio:var(--image-ratio,auto)}
.brand img{height:auto;aspect-ratio:4/1}
@media (hover:none){.btn:hover,.tool-card:hover{transform:none}}
@media (prefers-reduced-data:reduce){.site-header,.screen-controls{backdrop-filter:none}.hero:after{display:none}}
@media print{.site-header,.footer,.nav-toggle,.actions,.screen-controls{display:none!important}.shell{max-width:none;padding:0}.article,.tool-panel{box-shadow:none;border:0}}

/* Full-size keyboard tester */
.keyboard-tool{overflow:hidden}
.keyboard-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.keyboard-stats{display:flex;gap:.6rem;flex-wrap:wrap}
.keyboard-stats span{background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:.45rem .75rem;color:#1e3a8a;font-weight:700}
.keyboard-stats b{font-size:1.05rem}
.key-readout{margin:1rem 0;display:flex;align-items:center;gap:1rem;background:#0f172a;color:#fff;border-radius:18px;padding:1rem 1.15rem;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.key-flash{width:62px;height:62px;flex:0 0 62px;border-radius:15px;background:linear-gradient(135deg,#22d3ee,#2563eb);box-shadow:0 0 0 5px rgba(34,211,238,.12),0 0 26px rgba(37,99,235,.42)}
.key-flash.pulse{animation:keyFlashPulse .22s ease-out}
@keyframes keyFlashPulse{0%{transform:scale(.74);filter:brightness(2.4);box-shadow:0 0 0 0 rgba(34,211,238,.85)}60%{transform:scale(1.12);box-shadow:0 0 0 18px rgba(34,211,238,0)}100%{transform:scale(1)}}
.readout-label{display:block;color:#93c5fd;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800}
#lastKey{display:block;font-size:clamp(1.25rem,3vw,1.75rem);line-height:1.2}
#keyDetails{display:block;color:#cbd5e1;margin-top:.15rem}
.keyboard-shell{width:100%;overflow-x:auto;padding:.25rem 0 1rem;scrollbar-color:#94a3b8 #e2e8f0}
.keyboard-board{min-width:1180px;background:linear-gradient(180deg,#1e293b,#0f172a);border:1px solid #020617;border-radius:20px;padding:14px;box-shadow:0 18px 34px rgba(15,23,42,.2),inset 0 1px rgba(255,255,255,.08)}
.keyboard-row{display:grid;grid-template-columns:repeat(25,minmax(34px,1fr));gap:6px;margin-bottom:6px;align-items:stretch}
.keyboard-row:last-child{margin-bottom:0}
.keyboard-board .key{appearance:none;position:relative;min-height:48px;padding:.35rem .25rem;border:1px solid #475569;border-bottom-width:3px;border-radius:8px;background:linear-gradient(180deg,#f8fafc,#e2e8f0);color:#0f172a;font-size:.75rem;font-weight:800;line-height:1;display:grid;place-items:center;cursor:default;user-select:none;box-shadow:0 2px 0 #64748b;transition:transform .06s ease,background .12s ease,box-shadow .12s ease,color .12s ease,border-color .12s ease}
.keyboard-board .key.tested{background:linear-gradient(180deg,#38bdf8,#2563eb);border-color:#1d4ed8;color:#fff;box-shadow:0 2px 0 #1e40af,0 0 14px rgba(56,189,248,.35)}
.keyboard-board .key.active{transform:translateY(2px) scale(.98);background:linear-gradient(180deg,#fbbf24,#f97316);border-color:#ea580c;color:#fff;box-shadow:0 0 0 4px rgba(251,191,36,.22),0 0 25px rgba(249,115,22,.65)}
.keyboard-board .wide-15{grid-column:span 2}.keyboard-board .wide-18{grid-column:span 3}.keyboard-board .wide-2{grid-column:span 2}.keyboard-board .wide-22{grid-column:span 3}.keyboard-board .wide-24{grid-column:span 3}.keyboard-board .wide-28{grid-column:span 4}.keyboard-board .spacebar{grid-column:span 8}.keyboard-board .gap-left{margin-left:10px}.keyboard-board .numpad-gap{margin-left:12px}.keyboard-board .tall-2{min-height:48px}
.keyboard-board .mod-shift,.keyboard-board .mod-ctrl,.keyboard-board .mod-alt,.keyboard-board .mod-meta{font-size:.72rem}
.keyboard-help{margin:1rem 0 0;color:#475569}
@media(max-width:760px){.key-readout{align-items:flex-start}.key-flash{width:50px;height:50px;flex-basis:50px}.keyboard-board{min-width:1080px}.keyboard-toolbar .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.key-flash.pulse{animation:none;filter:brightness(1.45)}}

/* Refined full-size keyboard */
.keyboard-tool{padding:clamp(1rem,2vw,1.6rem)}
.keyboard-stats span{display:inline-flex;align-items:center;gap:.25rem;background:#f1f5ff;border-color:#c7d7fe;color:#243b7a}
.key-readout{display:grid;grid-template-columns:auto minmax(0,1fr) auto;min-height:108px;padding:1.1rem 1.25rem;background:linear-gradient(135deg,#0b1220,#111d35);border:1px solid #243553;box-shadow:0 15px 35px rgba(15,23,42,.18),inset 0 1px rgba(255,255,255,.05)}
.readout-copy{min-width:0}.lock-status{display:flex;gap:.45rem;align-self:start;flex-wrap:wrap;justify-content:flex-end}.lock-status span{border:1px solid #334155;background:#111827;color:#94a3b8;border-radius:999px;padding:.3rem .55rem;font-size:.72rem;font-weight:800;white-space:nowrap}.lock-status span.on{color:#dcfce7;background:#14532d;border-color:#22c55e;box-shadow:0 0 14px rgba(34,197,94,.25)}
.keyboard-shell{border-radius:20px;background:#e8edf5;padding:.75rem;box-shadow:inset 0 0 0 1px #cbd5e1;overscroll-behavior-x:contain}
.keyboard-case{min-width:1240px;background:linear-gradient(160deg,#202c3f,#101827 65%,#0b1220);border:1px solid #07101f;border-radius:24px;padding:15px 16px 18px;box-shadow:0 24px 48px rgba(15,23,42,.24),inset 0 1px 0 rgba(255,255,255,.1),inset 0 -4px 8px rgba(0,0,0,.25)}
.keyboard-brandline{height:28px;display:flex;justify-content:space-between;align-items:center;color:#7f91ac;font-size:.68rem;letter-spacing:.14em;font-weight:900;padding:0 5px}.keyboard-leds{display:flex;gap:12px}.keyboard-leds i{width:8px;height:8px;border-radius:50%;background:#334155;box-shadow:inset 0 1px 2px rgba(0,0,0,.7)}.keyboard-leds i.on{background:#4ade80;box-shadow:0 0 10px #22c55e}
.function-row{display:flex;gap:6px;align-items:center;margin-bottom:14px}.function-row .key{width:49px;flex:0 0 49px;min-height:38px}.function-row .key-spacer{display:block;flex:0 0 14px}
.keyboard-deck{display:grid;grid-template-columns:minmax(760px,1fr) 184px 244px;gap:16px;align-items:start}.main-keys{display:grid;gap:7px}.main-row{display:flex;gap:7px}.main-row .key{flex:1 1 0}.nav-cluster{display:grid;gap:26px}.nav-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.arrow-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;align-self:end;margin-top:25px}.numpad-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(5,52px);gap:7px}.numpad-grid .numpad-tall{grid-row:span 2}.numpad-grid .numpad-zero{grid-column:span 2}
.keyboard-case .key{appearance:none;position:relative;min-width:42px;min-height:52px;padding:.42rem .32rem;border:1px solid #64748b;border-bottom:4px solid #64748b;border-radius:9px;background:linear-gradient(180deg,#fff,#e7edf5);color:#172033;font-size:.77rem;font-weight:850;line-height:1.05;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;user-select:none;box-shadow:0 3px 5px rgba(2,6,23,.25);transition:transform .06s ease,background .12s ease,box-shadow .12s ease,color .12s ease,border-color .12s ease;touch-action:manipulation}.keyboard-case .key small{font-size:.61rem;opacity:.58;line-height:1;margin-bottom:.15rem;order:-1}.keyboard-case .key:hover{border-color:#38bdf8}.keyboard-case .key.tested{background:linear-gradient(180deg,#39c3fa,#2563eb);border-color:#1d4ed8;border-bottom-color:#173c99;color:#fff;box-shadow:0 3px 0 #173c99,0 0 14px rgba(56,189,248,.35)}.keyboard-case .key.active{transform:translateY(3px);background:linear-gradient(180deg,#fbbf24,#f97316);border-color:#fb923c;border-bottom-color:#c2410c;color:#fff;box-shadow:0 0 0 3px rgba(251,191,36,.24),0 0 22px rgba(249,115,22,.48)}
.keyboard-case .w-15{flex:1.45}.keyboard-case .w-18{flex:1.75}.keyboard-case .w-2{flex:2}.keyboard-case .w-22{flex:2.15}.keyboard-case .w-24{flex:2.35}.keyboard-case .w-28{flex:2.75}.keyboard-case .spacebar{flex:7}.keyboard-case .esc{margin-right:0}.keyboard-case .group-gap{margin-left:10px}.keyboard-case .fn{font-size:.72rem}.keyboard-case .arrow{font-size:1rem}.keyboard-help{font-size:.98rem}

/* Mouse, trackpad and touch tester */
.mouse-tool{overflow:hidden}.mouse-toolbar{display:flex;justify-content:space-between;gap:1rem;align-items:center;flex-wrap:wrap}.mouse-compat{display:flex;gap:.45rem;flex-wrap:wrap}.mouse-compat span{background:#ecfeff;color:#155e75;border:1px solid #a5f3fc;border-radius:999px;padding:.4rem .65rem;font-weight:800;font-size:.8rem}.mouse-stats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.7rem;margin:1rem 0}.mouse-stats .stat{min-width:0}.mouse-stats .stat span{display:block;color:#64748b;font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.mouse-stats .stat b{font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mouse-lab{display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:1rem;align-items:stretch}.mouse-device-wrap{border:1px solid #dbe4f0;border-radius:22px;background:linear-gradient(145deg,#f8fafc,#e8eef7);padding:1.2rem;display:grid;place-items:center}.mouse-device{width:230px;height:355px;position:relative;border-radius:48% 48% 44% 44% / 35% 35% 60% 60%;background:linear-gradient(145deg,#27364d,#0e1726);border:2px solid #050b14;box-shadow:0 25px 45px rgba(15,23,42,.28),inset 8px 8px 18px rgba(255,255,255,.05),inset -8px -12px 22px rgba(0,0,0,.35);overflow:visible}.mouse-device:after{content:"";position:absolute;left:50%;top:0;bottom:45%;width:2px;background:#050b14;transform:translateX(-50%)}.mouse-button{position:absolute;top:0;width:50%;height:130px;border:0;color:#dbeafe;background:linear-gradient(180deg,#30425e,#172236);font-weight:900;cursor:pointer;touch-action:manipulation}.mouse-button span{position:absolute;top:72px}.mouse-left{left:0;border-radius:108px 0 20px 0}.mouse-left span{left:34px}.mouse-right{right:0;border-radius:0 108px 0 20px}.mouse-right span{right:28px}.mouse-button.active{background:linear-gradient(180deg,#38bdf8,#2563eb);box-shadow:inset 0 0 22px rgba(255,255,255,.3),0 0 22px rgba(37,99,235,.5)}.mouse-wheel{position:absolute;z-index:4;left:50%;top:38px;transform:translateX(-50%);width:42px;height:95px;border-radius:18px;border:5px solid #101827;background:#111827;color:#cbd5e1;cursor:pointer;padding:5px;display:flex;flex-direction:column;align-items:center;gap:3px}.wheel-ridges{display:block;width:20px;height:55px;border-radius:9px;background:repeating-linear-gradient(0deg,#64748b 0 3px,#334155 3px 7px);box-shadow:inset 0 0 5px #020617}.mouse-wheel small{font-size:.56rem}.mouse-wheel.active{outline:4px solid rgba(34,211,238,.45);background:#0e7490}.mouse-device.wheel-up .wheel-ridges{animation:wheelUp .25s linear}.mouse-device.wheel-down .wheel-ridges{animation:wheelDown .25s linear}@keyframes wheelUp{to{background-position-y:-14px}}@keyframes wheelDown{to{background-position-y:14px}}.mouse-side{position:absolute;left:-16px;width:57px;height:30px;border:1px solid #020617;border-radius:10px;background:#1e293b;color:#cbd5e1;font-size:.65rem;font-weight:800;transform:rotate(-8deg);cursor:pointer}.mouse-side.active{background:#2563eb;color:#fff;box-shadow:0 0 15px rgba(37,99,235,.55)}.mouse-back{top:165px}.mouse-forward{top:205px}.mouse-palm{position:absolute;inset:132px 16px 18px;border-radius:30% 30% 43% 43%;background:radial-gradient(circle at 50% 25%,#273957,#101827 60%);display:grid;place-items:center}.mouse-logo-dot{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#22d3ee,#2563eb);box-shadow:0 0 24px rgba(34,211,238,.55)}.button-status-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.35rem;width:100%;margin-top:1rem}.button-status-grid span{text-align:center;border:1px solid #cbd5e1;background:#fff;border-radius:8px;padding:.35rem .2rem;font-size:.65rem;font-weight:800;color:#64748b}.button-status-grid span.active{background:#dbeafe;border-color:#60a5fa;color:#1d4ed8}
.mouse-test-zone{position:relative;min-height:470px;border-radius:22px;overflow:hidden;background:radial-gradient(circle at 50% 50%,#1e3a5f,#0a1220 70%);border:1px solid #07101f;touch-action:none;user-select:none;display:grid;place-items:center;cursor:crosshair}.mouse-test-zone:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.08) 1px,transparent 1px);background-size:32px 32px}.zone-copy{position:relative;z-index:2;max-width:430px;text-align:center;color:#fff;padding:1.5rem;pointer-events:none}.zone-copy strong{display:block;font-size:1.25rem}.zone-copy span{display:block;color:#bfd6f4;margin-top:.5rem}.pointer-orb{position:absolute;z-index:4;left:-13px;top:-13px;width:26px;height:26px;border-radius:50%;background:#22d3ee;border:4px solid #fff;box-shadow:0 0 22px rgba(34,211,238,.8);opacity:0;pointer-events:none}.pointer-orb.visible{opacity:1}.gesture-trail{position:absolute;z-index:3;left:0;top:0;height:4px;transform-origin:left center;background:linear-gradient(90deg,#22d3ee,#2563eb);border-radius:999px;opacity:0;pointer-events:none}.gesture-trail.visible{opacity:.9}.touch-controls{display:grid;grid-template-columns:repeat(5,1fr);gap:.6rem;margin-top:1rem}.touch-controls button{min-height:48px;border:1px solid #bfdbfe;background:#eff6ff;color:#1e40af;border-radius:11px;font-weight:850;cursor:pointer;touch-action:manipulation}.touch-controls button:active{background:#2563eb;color:#fff}.mouse-event-log{margin-top:1rem;border-top:1px solid #e2e8f0;padding-top:.8rem}.mouse-event-log h2{font-size:1rem;margin:0 0 .4rem}.mouse-event-log ol{display:grid;grid-template-columns:repeat(3,1fr);gap:.45rem;margin:0;padding:0;list-style:none}.mouse-event-log li{background:#f8fafc;border:1px solid #e2e8f0;border-radius:9px;padding:.45rem .6rem;color:#475569;font-size:.8rem}

@media(max-width:1100px){.mouse-stats{grid-template-columns:repeat(3,1fr)}.mouse-lab{grid-template-columns:330px minmax(0,1fr)}}
@media(max-width:820px){.key-readout{grid-template-columns:auto minmax(0,1fr)}.lock-status{grid-column:1/-1;justify-content:flex-start}.keyboard-case{min-width:1160px}.mouse-lab{grid-template-columns:1fr}.mouse-device-wrap{min-height:480px}.touch-controls{grid-template-columns:repeat(2,1fr)}.touch-controls button:last-child{grid-column:span 2}.mouse-event-log ol{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.keyboard-shell{margin-inline:-.35rem;width:calc(100% + .7rem);padding:.45rem}.keyboard-case{min-width:1080px}.key-readout{grid-template-columns:52px minmax(0,1fr);gap:.75rem}.lock-status{display:none}.mouse-stats{grid-template-columns:1fr 1fr}.mouse-device{transform:scale(.9)}.mouse-test-zone{min-height:420px}.mouse-event-log ol{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.mouse-device.wheel-up .wheel-ridges,.mouse-device.wheel-down .wheel-ridges{animation:none}}

/* Mobile diagnostics suite */
.compact-hero{padding:clamp(1.8rem,4vw,3.4rem)}.compact-hero h1{font-size:clamp(2rem,5vw,3.65rem)}.mobile-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}.status-pill{display:inline-flex;align-items:center;min-height:42px;padding:.55rem .85rem;border:1px solid #cbd5e1;border-radius:999px;background:#f8fafc;color:#475569;font-weight:850}.status-pill.ok{background:#ecfdf5;border-color:#86efac;color:#166534}.card-link{display:inline-block;margin-top:.8rem;font-weight:850;color:#2563eb}.camera-grid,.gps-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:1rem}.media-stage{position:relative;min-height:420px;border-radius:20px;background:#07101f;overflow:hidden;display:grid;place-items:center}.media-stage video{width:100%;height:100%;object-fit:cover}.media-stage video.mirrored{transform:scaleX(-1)}.stage-placeholder{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:2rem;color:#bfdbfe;background:radial-gradient(circle,#16345c,#07101f 75%)}.diagnostic-panel,.metric-card{border:1px solid #dbe4f0;border-radius:18px;background:#f8fafc;padding:1rem}.diagnostic-panel h2,.metric-card h2{font-size:1.05rem;margin:.1rem 0 .8rem}.data-list{margin:0}.data-list div{display:flex;justify-content:space-between;gap:1rem;padding:.65rem 0;border-bottom:1px solid #e2e8f0}.data-list div:last-child{border:0}.data-list dt{color:#64748b}.data-list dd{margin:0;text-align:right;font-weight:850;color:#0f172a}.toggle-line{display:flex;align-items:center;gap:.55rem;margin-top:1rem;font-weight:750}.capture-card{margin:1rem 0 0}.capture-card img{display:block;max-height:460px;margin:auto;border-radius:18px}.capture-card figcaption{text-align:center;color:#64748b;margin-top:.5rem}.mic-dashboard{display:grid;grid-template-columns:170px minmax(0,1fr);gap:1rem}.level-card,.wave-card{border:1px solid #dbe4f0;border-radius:20px;background:#f8fafc;padding:1rem}.level-card{text-align:center}.level-scale{height:230px;width:66px;margin:auto;position:relative;overflow:hidden;border-radius:18px;background:linear-gradient(to top,#16a34a 0 55%,#f59e0b 55% 82%,#ef4444 82%);border:6px solid #e2e8f0}.level-scale span{position:absolute;inset:auto 0 0;background:#0f172a;opacity:.82;transition:height .05s}.level-scale i{position:absolute;left:-5px;right:-5px;height:3px;background:#fff;box-shadow:0 0 6px #000}.level-card strong{display:block;font-size:1.5rem;margin-top:.7rem}.wave-card canvas{width:100%;height:260px}.recording-card{margin-top:1rem;padding:1rem;border:1px solid #dbe4f0;border-radius:18px}.recording-card audio{width:100%}.privacy-note{padding:.75rem 1rem;border-radius:12px;background:#ecfeff;color:#155e75;font-weight:700}.touch-summary{display:flex;gap:.5rem;flex-wrap:wrap}.touch-summary span{background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:.45rem .7rem;color:#1e40af}.multitouch-stage{position:relative;min-height:600px;border-radius:22px;overflow:hidden;background-color:#07101f;background-image:linear-gradient(rgba(148,163,184,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.12) 1px,transparent 1px);background-size:40px 40px;touch-action:none}.multitouch-stage canvas{position:absolute;inset:0}.multitouch-stage .stage-placeholder{pointer-events:none;display:flex;flex-direction:column;gap:.5rem}.gesture-readout{display:flex;justify-content:space-between;gap:1rem;padding:.8rem 1rem;margin-top:.75rem;border-radius:12px;background:#0f172a;color:#fff}.sensor-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:1.2rem}.phone-orientation{display:grid;place-items:center;perspective:900px}.phone-model{width:170px;height:330px;border:9px solid #0f172a;border-radius:30px;background:linear-gradient(145deg,#38bdf8,#1d4ed8);box-shadow:0 25px 50px rgba(15,23,42,.25);display:flex;justify-content:center;align-items:flex-start;padding-top:20px;color:#fff;font-size:.7rem;font-weight:900;transition:transform .12s linear;transform-style:preserve-3d}.phone-model i{position:absolute;top:10px;width:55px;height:7px;border-radius:9px;background:#020617}.sensor-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem}.info-grid,.capability-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}.info-grid.compact{margin-top:1rem}.info-card,.capability-card{border:1px solid #dbe4f0;border-radius:16px;background:#f8fafc;padding:1rem;min-width:0}.info-card span,.capability-card small{display:block;color:#64748b;font-size:.78rem;font-weight:750}.info-card strong{display:block;margin-top:.25rem;overflow-wrap:anywhere}.capability-card{display:grid;grid-template-columns:38px 1fr;column-gap:.7rem;align-items:center}.capability-card>span{grid-row:1/3;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;font-weight:950}.capability-card.supported>span{background:#dcfce7;color:#166534}.capability-card.unsupported>span{background:#f1f5f9;color:#64748b}.location-radar{--accuracy:.5;position:relative;min-height:390px;border-radius:22px;overflow:hidden;background:radial-gradient(circle,#164e63,#0f172a 72%);display:grid;place-items:center}.location-radar span{width:24px;height:24px;border-radius:50%;background:#22d3ee;border:5px solid #fff;box-shadow:0 0 30px #22d3ee;z-index:3}.radar-ring{position:absolute;border:2px solid rgba(103,232,249,.45);border-radius:50%;animation:radarPulse 2.4s infinite}.r1{width:100px;height:100px}.r2{width:210px;height:210px;animation-delay:.4s}.r3{width:330px;height:330px;animation-delay:.8s}@keyframes radarPulse{50%{opacity:.25;transform:scale(calc(.9 + var(--accuracy)*.2))}}.network-gauges{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.gauge-card{padding:1.25rem;border-radius:20px;background:linear-gradient(145deg,#0f172a,#1e3a8a);color:#fff;text-align:center}.gauge-card span,.gauge-card small{display:block;color:#bfdbfe}.gauge-card strong{display:block;font-size:clamp(2rem,6vw,3.2rem);line-height:1.1;margin:.35rem 0}.progress-track{height:10px;background:#e2e8f0;border-radius:99px;overflow:hidden;margin-top:1rem}.progress-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,#22d3ee,#2563eb);transition:width .2s}
@media(max-width:900px){.camera-grid,.gps-layout,.sensor-layout{grid-template-columns:1fr}.sensor-cards,.info-grid,.capability-grid{grid-template-columns:repeat(2,1fr)}.network-gauges{grid-template-columns:1fr}.multitouch-stage{min-height:520px}}
@media(max-width:620px){.mic-dashboard{grid-template-columns:1fr}.level-scale{height:150px}.sensor-cards,.info-grid,.capability-grid{grid-template-columns:1fr}.gesture-readout{flex-direction:column}.media-stage{min-height:330px}.multitouch-stage{min-height:460px}.mobile-toolbar .actions{width:100%}.mobile-toolbar .actions .btn{flex:1}}

/* Device-suite forms and answer-friendly content */
.field-label{display:block;font-weight:800;margin:.9rem 0 .35rem}.field-select{width:100%;min-height:46px;padding:.72rem .85rem;border:1px solid #cbd5e1;border-radius:12px;background:#fff;color:#0f172a;font:inherit}.field-select:focus{outline:3px solid rgba(37,99,235,.22);border-color:#2563eb}.faq-list{display:grid;gap:.65rem;margin-top:1.25rem}.faq-list details{border:1px solid #dbe4f0;border-radius:14px;background:#fff;padding:.85rem 1rem}.faq-list summary{cursor:pointer;font-weight:800}.faq-list p{margin:.65rem 0 .15rem}


/* AdSense: reserved below-content placement */
.ad-section{width:min(100%,1120px);min-height:280px;margin:2rem auto;padding:1rem 0;overflow:hidden;text-align:center;contain:layout style paint;content-visibility:auto;contain-intrinsic-size:1px 300px}
.ad-label{display:block;margin:0 0 .5rem;color:#64748b;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
.ad-section .adsbygoogle{min-height:250px}
@media (max-width:600px){.ad-section{min-height:260px;margin:1.5rem auto}.ad-section .adsbygoogle{min-height:240px}}
@media print{.ad-section{display:none!important}}


/* Premium application navigation and answer content */
.breadcrumbs{display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;margin:1rem 0 0;color:#64748b;font-size:.88rem;font-weight:750}.breadcrumbs a{color:#475569}.breadcrumbs a:hover{color:#2563eb}.crumb-sep{color:#cbd5e1}.answer-block{position:relative;overflow:hidden;background:linear-gradient(145deg,#fff,#f8fbff);border:1px solid #d8e5f6;box-shadow:0 16px 42px rgba(15,23,42,.06)}.answer-block:after{content:"";position:absolute;right:-80px;top:-100px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.14),transparent 70%);pointer-events:none}.answer-label{display:inline-flex;padding:.34rem .65rem;border-radius:999px;background:#dbeafe;color:#1d4ed8;font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.answer-block h2{margin:.75rem 0 .55rem}.answer-block p{max-width:900px;font-size:1.04rem}.answer-points{display:flex;gap:.55rem;flex-wrap:wrap;margin-top:1rem}.answer-points span{padding:.48rem .7rem;border:1px solid #cfe0f5;border-radius:999px;background:#fff;color:#334155;font-size:.82rem;font-weight:800}.premium-directory{background:linear-gradient(180deg,#f8fbff,#f3f7fd);border:1px solid #dce7f5;box-shadow:0 22px 60px rgba(15,23,42,.08)}.premium-directory-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.25rem}.premium-directory-head h2{margin:.4rem 0}.premium-eyebrow{color:#1d4ed8!important;background:#eaf2ff!important;border-color:#bfdbfe!important}.tool-discovery-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.tool-search{display:flex;align-items:center;gap:.6rem;min-width:min(100%,320px);flex:1;max-width:520px;padding:.7rem .85rem;border:1px solid #cbd5e1;border-radius:14px;background:#fff;box-shadow:0 7px 20px rgba(15,23,42,.04)}.tool-search:focus-within{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.12)}.tool-search input{width:100%;border:0;outline:0;background:transparent;font:inherit;color:#0f172a}.tool-filters{display:flex;gap:.45rem;flex-wrap:wrap}.tool-filter{min-height:38px;padding:.48rem .7rem;border:1px solid #cbd5e1;border-radius:999px;background:#fff;color:#475569;font:inherit;font-size:.78rem;font-weight:850;cursor:pointer}.tool-filter:hover,.tool-filter.active{border-color:#2563eb;background:#2563eb;color:#fff}.premium-tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem}.premium-tool-card{position:relative;display:grid;grid-template-columns:48px minmax(0,1fr) 22px;align-items:center;gap:.75rem;min-height:108px;padding:.9rem;border:1px solid #d8e4f2;border-radius:17px;background:#fff;color:#0f172a;box-shadow:0 8px 24px rgba(15,23,42,.045);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.premium-tool-card:hover{transform:translateY(-3px);border-color:#93c5fd;box-shadow:0 16px 34px rgba(37,99,235,.12)}.premium-tool-card[aria-current="page"]{border-color:#2563eb;background:linear-gradient(145deg,#eff6ff,#fff)}.premium-tool-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(145deg,#eaf2ff,#f8fbff);color:#1d4ed8;font-weight:950;font-size:1.15rem}.premium-tool-copy{min-width:0}.premium-tool-copy strong{display:block;font-size:.96rem;line-height:1.2}.premium-tool-copy small{display:-webkit-box;margin-top:.35rem;color:#64748b;font-size:.76rem;line-height:1.45;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.premium-tool-arrow{color:#94a3b8;font-weight:900;transition:transform .18s ease}.premium-tool-card:hover .premium-tool-arrow{transform:translateX(3px);color:#2563eb}.tool-empty{text-align:center;padding:1.4rem;color:#64748b;font-weight:800}.premium-tool-card[hidden]{display:none!important}@media(max-width:1050px){.premium-tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:760px){.premium-directory-head{align-items:flex-start;flex-direction:column}.premium-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-discovery-bar{align-items:stretch}.tool-search{max-width:none}.tool-filters{overflow:auto;flex-wrap:nowrap;padding-bottom:.2rem}}@media(max-width:500px){.premium-tool-grid{grid-template-columns:1fr}.premium-tool-card{min-height:96px}.answer-points{display:grid;grid-template-columns:1fr 1fr}.tool-filters{margin-inline:-.25rem;padding-inline:.25rem}}

/* Scroll stability fix — prevents reverse nudges and layout jumps */
html{
  scroll-behavior:auto;
  overflow-y:scroll;
  scrollbar-gutter:stable;
}
body{
  overflow-x:clip;
  overflow-anchor:none;
}
.site-header{
  background:#fff;
  -webkit-backdrop-filter:none;
  backdrop-filter:none;
  overflow-anchor:none;
}
.section,
.footer,
.ad-section{
  content-visibility:visible!important;
  contain-intrinsic-size:auto!important;
}
.ad-section{
  min-height:300px;
  overflow-anchor:none;
}
.ad-section .adsbygoogle{
  min-height:250px;
}
.btn:hover,
.tool-card:hover,
.premium-tool-card:hover{
  transform:none;
}
.premium-tool-card,
.tool-card,
.btn{
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
}
.premium-tool-card:hover .premium-tool-arrow{
  transform:none;
}
@media(max-width:620px){
  .ad-section{min-height:250px}
  .ad-section .adsbygoogle{min-height:220px}
}


/* Tool-first layout — keeps the live diagnostic above the fold */
body.tool-first-page .shell,
body.directory-first-page .shell{
  padding-top:1rem;
}
body.tool-first-page .breadcrumbs,
body.directory-first-page .breadcrumbs{
  margin:.25rem 0 .65rem;
}
body.tool-first-page .hero,
body.directory-first-page .hero{
  min-height:0;
  padding:clamp(1.3rem,2.6vw,2rem) clamp(1.25rem,3.6vw,2.6rem);
  border-radius:22px;
}
body.tool-first-page .hero:after,
body.directory-first-page .hero:after{
  width:250px;
  height:250px;
  right:-90px;
  top:-120px;
}
body.tool-first-page .hero .eyebrow,
body.directory-first-page .hero .eyebrow{
  padding:.28rem .58rem;
  font-size:.72rem;
}
body.tool-first-page .hero h1,
body.directory-first-page .hero h1{
  margin:.5rem 0 .55rem;
  font-size:clamp(2rem,4.4vw,3.35rem);
  line-height:1.04;
}
body.tool-first-page .hero p,
body.directory-first-page .hero p{
  max-width:900px;
  margin:0;
  font-size:clamp(.98rem,1.45vw,1.1rem);
  line-height:1.55;
}
body.tool-first-page .hero + .tool-panel,
body.directory-first-page .hero + .section{
  margin-top:1.1rem;
}
body.tool-first-page .tool-panel + .answer-block,
body.directory-first-page .section + .answer-block{
  margin-top:1.5rem;
}
body.tool-first-page .answer-block{
  padding:clamp(1rem,2vw,1.45rem);
}
body.tool-first-page .answer-block h2{
  font-size:clamp(1.45rem,2.7vw,2rem);
}
body.tool-first-page .answer-block p{
  margin:.45rem 0 0;
  font-size:1rem;
}
body.tool-first-page .answer-points{
  margin-top:.75rem;
}
@media(max-width:620px){
  body.tool-first-page .shell,
  body.directory-first-page .shell{padding-top:.65rem}
  body.tool-first-page .breadcrumbs,
  body.directory-first-page .breadcrumbs{margin:.15rem 0 .5rem;font-size:.8rem}
  body.tool-first-page .hero,
  body.directory-first-page .hero{padding:1.15rem;border-radius:17px}
  body.tool-first-page .hero h1,
  body.directory-first-page .hero h1{font-size:clamp(1.75rem,9vw,2.35rem)}
  body.tool-first-page .hero p,
  body.directory-first-page .hero p{font-size:.94rem;line-height:1.45}
  body.tool-first-page .hero + .tool-panel,
  body.directory-first-page .hero + .section{margin-top:.8rem}
  body.tool-first-page .tool-panel + .answer-block{margin-top:1rem}
}


/* Audio tester premium layout */
.audio-tool-panel{padding:1.5rem;border-radius:28px}.soft-eyebrow{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.audio-tool-hero{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap;margin-bottom:1.2rem}.audio-tool-hero .lead{max-width:760px;margin-bottom:0}.audio-mini-pills{display:flex;gap:.55rem;flex-wrap:wrap}.audio-channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.audio-channel-card{display:flex;flex-direction:column;gap:1rem;padding:1.1rem;border:1px solid #dbe4f0;border-radius:22px;background:linear-gradient(180deg,#ffffff,#f8fbff)}.audio-channel-card.center-card{background:linear-gradient(180deg,#eef8ff,#f8fbff)}.audio-channel-icon{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#1d4ed8,#06b6d4);color:#fff;font-size:1.25rem;font-weight:900;box-shadow:0 10px 24px rgba(37,99,235,.18)}.audio-channel-copy h3{margin:.1rem 0 .25rem;font-size:1.35rem}.audio-channel-copy p{margin:0;color:#64748b}.audio-play-btn{align-self:flex-start;min-width:140px}.audio-lab-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:1rem;margin-top:1rem}.audio-card{padding:1.2rem;border:1px solid #dbe4f0;border-radius:24px;background:#fbfdff}.audio-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap}.audio-card-head h2{margin:.35rem 0 0}.audio-value-badge{display:inline-flex;align-items:center;justify-content:center;min-width:92px;padding:.65rem .9rem;border-radius:999px;background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe;font-weight:900}.audio-privacy-note{display:inline-flex;align-items:center;min-height:38px;padding:.5rem .8rem;border-radius:999px;background:#ecfeff;color:#155e75;border:1px solid #a5f3fc;font-weight:800;font-size:.88rem}.frequency-ui{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:end;margin-top:.9rem}.frequency-slider-wrap{display:block}.frequency-slider-wrap span{display:block;margin-bottom:.5rem;font-weight:800;color:#334155}.frequency-slider-wrap input[type=range]{width:100%}.frequency-actions{display:flex;gap:.7rem;flex-wrap:wrap}.frequency-scale{display:flex;justify-content:space-between;gap:1rem;margin-top:.75rem;color:#64748b;font-size:.86rem;font-weight:700}.meter-lg{height:16px}.mic-preview-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center;margin:1rem 0}.mic-readout strong{display:block;font-size:1rem}.mic-readout small{display:block;color:#64748b}.audio-tool-panel .actions{margin-top:0}.audio-tool-panel .btn:hover{transform:none}.audio-channel-card:hover,.audio-card:hover{border-color:#bfdbfe;box-shadow:0 12px 30px rgba(15,23,42,.06)}@media(max-width:980px){.audio-channel-grid{grid-template-columns:1fr}.audio-lab-grid{grid-template-columns:1fr}.frequency-ui{grid-template-columns:1fr}.audio-play-btn{width:100%}.audio-card-head{align-items:flex-start}}@media(max-width:620px){.audio-tool-panel{padding:1rem}.audio-channel-copy h3{font-size:1.18rem}.mic-preview-card{grid-template-columns:1fr}.audio-value-badge{min-width:0}}