*{box-sizing:border-box}
:root{--bg:#07111f;--panel:#0c1b2c;--panel2:#081522;--line:#203650;--text:#eef5ff;--muted:#9fb0c5;--blue:#2584ff;--green:#65e6a4;--yellow:#ffd36a;--red:#ff7588}
body{margin:0;background:radial-gradient(circle at top,#0d2440 0,#07111f 42%);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:inherit;text-decoration:none}.wrap{max-width:1180px;margin:auto;padding:28px 18px 70px}
.top{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:22px}
.brand{font-weight:900;font-size:21px}.brand span{color:#57a9ff}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.badge{display:inline-flex;gap:7px;align-items:center;padding:8px 11px;border-radius:999px;background:#102a45;color:#a9d5ff;font-weight:750;font-size:13px}
.badge.live{background:#123d31;color:#78f0b2}.lang a{padding:8px 10px;border:1px solid #294766;border-radius:10px;color:#b7cce2}.lang a.active{background:#1e65aa;color:white}
.hero{padding:34px 0 14px}.hero h1{font-size:clamp(38px,7vw,68px);line-height:1;margin:0 0 14px}.hero h1 span{color:#54a7ff}.hero p{max-width:800px;color:var(--muted);font-size:18px;line-height:1.6}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:14px;margin-top:24px}
.card{background:rgba(12,27,44,.95);border:1px solid #223a58;border-radius:20px;padding:20px;transition:.2s transform,.2s border-color}.card:hover{transform:translateY(-3px);border-color:#3b78bb}.card.live-card{border-color:#2f765a}
.icon{font-size:30px}.card h2{font-size:20px;margin:10px 0 8px}.card p{color:var(--muted);line-height:1.55;min-height:70px}.mini{font-size:12px;color:#8fb4d8;text-transform:uppercase;letter-spacing:.08em}
.panel{background:rgba(12,27,44,.97);border:1px solid #223a58;border-radius:22px;padding:24px;margin-top:18px}
.drop{border:1px dashed #3a628c;border-radius:17px;padding:30px;text-align:center;background:#081522}
input[type=file]{max-width:100%}button,.btn{background:var(--blue);color:white;border:0;border-radius:12px;padding:13px 18px;font-weight:800;cursor:pointer}.secondary{background:#19304b}.danger{background:#a93b4b}.disabled,[disabled]{opacity:.45;cursor:not-allowed}
.status{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-top:15px}.stat{background:#081522;border:1px solid #203650;border-radius:14px;padding:14px}.stat b{display:block;margin-top:5px}.ok{color:var(--green)}.warn{color:var(--yellow)}.err{color:var(--red)}.muted{color:var(--muted)}
progress{width:100%;height:15px;margin:14px 0}.hidden{display:none}.note{border-left:3px solid #54a7ff;padding:12px 14px;background:#0a1828;border-radius:0 12px 12px 0;color:#b6c9dc}
.modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:14px 0}.mode{background:#081522;border:1px solid #203650;border-radius:14px;padding:14px;cursor:pointer}.mode:has(input:checked){border-color:#2584ff}.mode input{margin-right:8px}.mode small{display:block;color:var(--muted);margin:6px 0 0 23px}
.result{padding:18px;border:1px solid #2f765a;border-radius:16px;background:#0a201b;margin-top:16px}pre{white-space:pre-wrap;background:#06101b;border-radius:12px;padding:14px;overflow:auto;max-height:220px}
footer{margin-top:40px;color:#7f95ae;font-size:13px}
.acs-select{margin-top:8px;min-width:220px;background:#081522;color:var(--text);border:1px solid #294766;border-radius:12px;padding:12px 14px;font:inherit}
.acs-output{width:100%;min-height:240px;resize:vertical;background:#06101b;color:var(--text);border:1px solid #203650;border-radius:14px;padding:16px;font:inherit;line-height:1.6}

.acs-range{width:min(520px,100%);accent-color:var(--blue)}
.audio-compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;margin:16px 0}
.audio-box{background:#081522;border:1px solid #203650;border-radius:14px;padding:14px}
.audio-box audio{width:100%;margin-top:10px}


/* ===== Production polish ===== */
body{background:
 radial-gradient(circle at 15% -10%,rgba(37,132,255,.18),transparent 35%),
 radial-gradient(circle at 90% 10%,rgba(125,82,255,.13),transparent 30%),
 #07111f}
.wrap{max-width:1220px}
.top{position:sticky;top:12px;z-index:40;padding:10px 12px;border:1px solid rgba(142,190,255,.12);
 border-radius:18px;background:rgba(7,17,31,.76);backdrop-filter:blur(18px);box-shadow:0 16px 50px rgba(0,0,0,.25)}
.brand{display:flex;align-items:center;gap:9px}
.brand:before{content:"♫";display:grid;place-items:center;width:32px;height:32px;border-radius:10px;
 background:linear-gradient(135deg,#2f8fff,#7868ff);color:white;box-shadow:0 8px 24px rgba(47,143,255,.25)}
.hero{padding-top:56px}
.hero h1{letter-spacing:-.045em}
.hero p{max-width:900px}
.grid{gap:16px}
.card{position:relative;min-height:230px;background:
 linear-gradient(145deg,rgba(17,37,61,.96),rgba(8,18,32,.96));box-shadow:0 18px 50px rgba(0,0,0,.20)}
.card:before{content:"";position:absolute;inset:0;border-radius:20px;background:
 linear-gradient(120deg,transparent 20%,rgba(255,255,255,.05),transparent 55%);transform:translateX(-110%);transition:.55s;pointer-events:none}
.card:hover:before{transform:translateX(110%)}
.card:hover{transform:translateY(-5px);box-shadow:0 26px 65px rgba(0,0,0,.28)}
.card .badge.live{background:rgba(30,117,80,.28);border:1px solid rgba(101,230,164,.18)}
.prod-back{display:inline-flex;align-items:center;gap:7px;margin-top:8px;color:#9fc9f5;font-size:13px}
.prod-footer{margin-top:48px;padding-top:24px;border-top:1px solid rgba(130,180,240,.10);display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}
.prod-footer a{color:#9fc9f5}
@media(max-width:620px){.top{top:6px}.hero{padding-top:38px}.card{min-height:0}}