:root{--bg:#080808;--panel:#111;--panel2:#0b0b0b;--line:#2a2a2a;--text:#f5f5f5;--muted:#929292}
*{box-sizing:border-box}html{background:var(--bg);color:var(--text)}body{margin:0;background:linear-gradient(180deg,#070707,#0b0b0b);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Arial,sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}.wrap{width:min(980px,calc(100% - 28px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(8,8,8,.9);backdrop-filter:blur(18px);border-bottom:1px solid #202020}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:baseline;gap:9px;font-weight:900}.brand .main{font-size:24px}.brand .jp{font-size:11px;color:#8c8c8c}.nav nav{display:flex;gap:18px;font-size:11px;letter-spacing:.12em;color:#aaa}
.hero{padding:72px 0 40px}.kicker,.mode{font-size:11px;letter-spacing:.16em;color:#848484;font-weight:900}.hero h1{font-size:clamp(68px,14vw,132px);line-height:.78;letter-spacing:-.075em;margin:18px 0 28px}.lead{font-size:20px;color:#b8b8b8;max-width:760px}
.convert-shell{display:grid;gap:14px;padding-bottom:72px}.convert-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:24px}.convert-card h2{font-size:34px;letter-spacing:-.04em;margin:7px 0 18px}
.dropzone{display:grid;place-items:center;text-align:center;min-height:210px;border:1px dashed #5a5a5a;border-radius:18px;background:#0b0b0b;padding:24px;cursor:pointer;transition:.18s}.dropzone:hover,.dropzone.drag{border-color:#ddd;background:#121212}.dropzone input{display:none}.dropzone strong{font-size:30px;letter-spacing:-.03em}.dropzone span{margin-top:7px;color:#888;font-size:12px}.file-meta{margin-top:12px;border:1px solid #242424;border-radius:13px;background:#090909;padding:14px;color:#aaa;overflow-wrap:anywhere}
.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.preset{appearance:none;text-align:left;background:#0a0a0a;color:#fff;border:1px solid #292929;border-radius:15px;padding:16px;min-height:96px;cursor:pointer}.preset:hover{border-color:#4b4b4b}.preset.active{border-color:#eee;box-shadow:inset 0 0 0 1px #eee;background:#151515}.preset strong{display:block;font-size:15px}.preset span{display:block;color:#878787;font-size:11px;margin-top:7px}
.settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.settings-grid label{font-size:10px;letter-spacing:.1em;color:#858585;font-weight:900}select{width:100%;margin-top:7px;background:#090909;color:#fff;border:1px solid #303030;border-radius:12px;padding:13px;font:inherit}.dither-check{grid-column:1/-1;display:flex;gap:9px;align-items:center;border:1px solid #272727;border-radius:12px;padding:13px;background:#0a0a0a}.dither-check input{width:auto}.dither-check span{font-weight:500;letter-spacing:0;color:#777}
.quality-note{margin-top:14px;padding:15px;border:1px solid #292929;border-radius:13px;background:#0a0a0a}.quality-note strong{display:block}.quality-note span{display:block;color:#828282;font-size:12px;margin-top:4px}
.btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:54px;border:1px solid #f3f3f3;border-radius:13px;background:#f3f3f3;color:#090909;font-weight:950;letter-spacing:.04em;font-size:15px;cursor:pointer}.btn:disabled{opacity:.4;cursor:default}
.job-progress{margin-top:18px;padding:16px;border:1px solid #292929;border-radius:14px;background:#090909}.progress-track{height:10px;background:#202020;border-radius:999px;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:#f4f4f4;transition:width .3s}.progress-copy{display:flex;justify-content:space-between;gap:14px;margin-top:10px}.progress-copy strong{font-size:12px;letter-spacing:.08em}.progress-copy span{font-size:12px;color:#898989;text-align:right}.status-text{min-height:20px;color:#aaa;font-size:12px;margin-top:10px}
.result-card h2{font-size:48px;margin:7px 0 20px;letter-spacing:-.05em}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:16px}.metrics div{background:#090909;border:1px solid #282828;border-radius:14px;padding:14px}.metrics span{display:block;color:#777;font-size:9px;letter-spacing:.1em}.metrics strong{display:block;margin-top:5px;font-size:18px}.expire{text-align:center;color:#707070;font-size:11px;margin:10px 0 0}
.master-cta{display:flex;align-items:center;justify-content:space-between;border:1px solid #313131;border-radius:18px;padding:20px 22px;background:#0e0e0e}.master-cta small{display:block;color:#777;letter-spacing:.12em;font-size:9px}.master-cta strong{display:block;font-size:23px;margin-top:4px}.master-cta b{font-size:30px}
footer{border-top:1px solid #202020;padding:30px 0 48px;color:#6f6f6f;font-size:11px}
@media(max-width:700px){.nav nav{display:none}.hero{padding-top:48px}.hero h1{font-size:78px}.lead{font-size:16px}.convert-card{padding:18px;border-radius:18px}.preset-grid,.settings-grid{grid-template-columns:1fr}.dither-check{grid-column:1}.metrics{grid-template-columns:1fr 1fr}.progress-copy{display:block}.progress-copy span{display:block;text-align:left;margin-top:5px}.dropzone strong{font-size:24px}}

.file-meta.master-source{border-color:#e8e8e8;background:#151515;color:#f3f3f3;font-weight:850}

@media(max-width:700px){
  .nav{gap:10px}
  .nav nav{display:flex;gap:9px;font-size:10px}
  .brand .main{font-size:17px}
  .brand .jp{display:none}
}


/* ZASU AUDIO Queue Status v1 */
.queue-status{margin-top:12px;padding:13px 14px;border:1px solid #303030;border-radius:13px;background:#0b0b0b;display:flex;justify-content:space-between;gap:14px;align-items:center}
.queue-status[hidden]{display:none}.queue-status>div{display:flex;align-items:baseline;gap:9px;min-width:0}.queue-status span{color:#737373;font-size:8px;font-weight:900;letter-spacing:.13em}.queue-status strong{font-size:15px;letter-spacing:.02em}.queue-status small{color:#858585;font-size:10px;text-align:right}
.queue-status.ready{border-color:#555}.queue-status.processing{border-color:#666;background:#101010}.queue-status.waiting{border-color:#4a4030;background:#100e0a}
@media(max-width:620px){.queue-status{align-items:flex-start;flex-direction:column}.queue-status small{text-align:left}}