:root{
  --bg:#121417;
  --bg-2:#191c21;
  --panel:#f4f0e8;
  --panel-2:#e8e0d2;
  --ink:#191919;
  --muted:#65605a;
  --line:#c8bda9;
  --accent:#c67a3b;
  --accent-2:#323842;
  --danger:#b64038;
  --ok:#47785b;
  --shadow:0 18px 55px rgba(0,0,0,.34);
  --radius:8px;
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(198,122,59,.12),transparent 34rem),linear-gradient(135deg,#111417 0%,#17191d 48%,#0e1012 100%)}
body.modal-active{overflow:hidden}
button,input,select{font:inherit}
a{color:inherit}
.page-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:22px 0 42px}
.site-header{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;margin-bottom:18px;color:#f3efe7}
.home-button{display:grid;place-items:center;width:42px;height:42px;border:1px solid rgba(255,255,255,.22);text-decoration:none;background:#171a1f;color:#f7eadb;font-size:20px}
.brand-lockup{display:flex;gap:16px;align-items:center;min-width:0}.brand-symbol{width:62px;height:62px;filter:drop-shadow(0 12px 24px rgba(0,0,0,.35))}.kicker{font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:#c8bda9}.site-header h1{font-size:clamp(1.8rem,4vw,3.8rem);line-height:.9;margin:.12rem 0 0;font-weight:900;letter-spacing:-.055em}.lang-switch{display:flex;border:1px solid rgba(255,255,255,.22);background:#0e1013}.lang-btn{border:0;background:transparent;color:#d9d3ca;padding:10px 12px;cursor:pointer}.lang-btn.is-active{background:#f2ece1;color:#16181c}.hero-panel,.panel{background:var(--panel);border:1px solid #d4cab9;box-shadow:var(--shadow)}.hero-panel{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;margin:0 0 18px;padding:22px 24px;position:relative;overflow:hidden}.hero-panel:before{content:"";position:absolute;inset:auto 0 0 0;height:5px;background:repeating-linear-gradient(90deg,var(--accent),var(--accent) 46px,#2f343c 46px,#2f343c 92px)}.hero-copy strong{display:block;font-size:clamp(1.3rem,2.2vw,2.25rem);letter-spacing:-.035em}.hero-copy p{margin:.45rem 0 0;color:var(--muted);max-width:760px}.hero-visual{display:flex;align-items:center;gap:6px;padding:12px 18px;border:1px solid var(--line);background:#17191d;min-width:210px;height:90px}.hero-visual span{display:block;width:18px;background:#d99a57;animation:pulse 1.4s infinite ease-in-out}.hero-visual span:nth-child(1){height:28px}.hero-visual span:nth-child(2){height:64px;animation-delay:.1s}.hero-visual span:nth-child(3){height:42px;animation-delay:.2s}.hero-visual span:nth-child(4){height:76px;animation-delay:.3s}.hero-visual span:nth-child(5){height:36px;animation-delay:.4s}@keyframes pulse{50%{transform:scaleY(.58);opacity:.65}}
.converter-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.35fr);gap:18px}.panel{padding:22px}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.panel h2{font-size:1.34rem;letter-spacing:-.035em;margin:0 0 4px}.panel p{margin:0;color:var(--muted);line-height:1.45}.panel-tag,.time-badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fffaf2;color:#3c3934;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;padding:7px 9px;white-space:nowrap}.dropzone{display:grid;gap:8px;place-items:center;text-align:center;border:2px dashed #a8977d;background:#fffaf2;padding:28px 18px;cursor:pointer;transition:.16s ease}.dropzone.is-dragover{background:#f2e2ca;border-color:var(--accent);transform:translateY(-1px)}.drop-icon{font-size:2.3rem;line-height:1;color:var(--accent)}.dropzone small{color:var(--muted);max-width:530px}.native-file-input{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.file-summary{margin:14px 0 0;color:var(--muted);font-size:.93rem}.track-list{display:grid;gap:10px;margin-top:12px}.track-item{border:1px solid var(--line);background:#fffaf2;padding:12px;display:grid;gap:8px}.track-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.track-name{font-weight:800;word-break:break-word}.track-meta{font-size:.84rem;color:var(--muted)}.track-item audio{width:100%;height:36px}.remove-track{border:1px solid #cdbca2;background:transparent;color:#3b352d;padding:6px 8px;cursor:pointer}.fields{display:grid;gap:14px}.fields.two-cols{grid-template-columns:repeat(2,minmax(0,1fr))}.field{display:grid;gap:7px;align-content:start}.field span{font-weight:800;font-size:.92rem}.field input,.field select{width:100%;border:1px solid #b9ab94;background:#fffdf8;color:#151515;padding:11px 10px;border-radius:0;outline:none}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(198,122,59,.18)}.field small{display:block;color:var(--muted);line-height:1.35}.field.wide{grid-column:1/-1}.subpanel{border:1px solid var(--line);background:#eee6d9;padding:14px;margin-top:14px}.subpanel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.subpanel-title span{color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}.check-row{display:flex;gap:10px;align-items:flex-start;line-height:1.35;cursor:pointer}.check-row input{margin-top:3px;accent-color:var(--accent)}.check-row strong{display:block}.check-row small{display:block;color:var(--muted)}.check-row.compact{font-size:.9rem;align-items:center}.format-note{margin-top:10px;color:var(--muted);font-size:.88rem}.format-note.is-warning{color:var(--danger);font-weight:700}.cover-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}.secondary-button,.primary-button,.ghost-button{border:1px solid transparent;background:#17191d;color:#f8eee1;padding:12px 16px;font-weight:850;letter-spacing:.01em;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.primary-button{background:var(--accent);color:#17120d;border-color:#9d5f2c}.primary-button:hover,.secondary-button:hover,.ghost-button:hover{filter:brightness(1.05)}.secondary-button{background:#303743;color:#fff}.ghost-button{background:transparent;border-color:#a8977d;color:#211f1c}.actions-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.progress-panel,.result-panel{margin-top:18px}.progress-stack{display:grid;gap:13px}.progress-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.meter{height:15px;background:#d8cdb9;border:1px solid #b5a68d;overflow:hidden}.meter span{display:block;height:100%;width:0%;background:repeating-linear-gradient(90deg,#1d2229,#1d2229 18px,#2f3844 18px,#2f3844 36px);transition:width .18s ease}.live-log{margin-top:14px;max-height:210px;overflow:auto;border:1px solid var(--line);background:#fffaf2;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.84rem;line-height:1.45}.live-log div{border-bottom:1px solid #eadfce;padding:5px 0}.live-log div:last-child{border-bottom:0}.download-list{display:grid;gap:10px}.download-card{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);background:#fffaf2;padding:12px}.download-card strong{display:block}.download-card span{color:var(--muted);font-size:.86rem}.download-card.is-zip{border-color:#9f744c;background:#f7e6cf}.site-footer{display:flex;justify-content:center;gap:16px;margin-top:22px;color:#ded6ca;flex-wrap:wrap}.site-footer a,.text-button{background:transparent;border:0;color:#ded6ca;text-decoration:underline;cursor:pointer;padding:4px;font:inherit}.site-footer a:hover,.text-button:hover{color:#fff}.modal-backdrop{position:fixed;inset:0;background:rgba(8,9,11,.72);display:none;align-items:center;justify-content:center;padding:20px;z-index:50}.modal-backdrop.is-open{display:flex}.modal-card{width:min(860px,100%);max-height:min(92vh,860px);overflow:auto;background:#f4f0e8;border:1px solid #d3c7b2;box-shadow:0 30px 80px rgba(0,0,0,.55)}.intro-card{display:grid;grid-template-columns:260px 1fr}.modal-graphic{background:#17191d;color:#fff;display:grid;place-items:center;padding:26px;position:relative;overflow:hidden}.modal-graphic:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0 42%,rgba(198,122,59,.18) 42% 58%,transparent 58%)}.modal-graphic img{width:150px;z-index:1;filter:drop-shadow(0 18px 32px rgba(0,0,0,.4))}.mini-wave{position:absolute;bottom:30px;display:flex;gap:5px}.mini-wave span{width:9px;height:24px;background:#c67a3b;animation:pulse 1.2s infinite}.mini-wave span:nth-child(2){height:42px;animation-delay:.1s}.mini-wave span:nth-child(3){height:30px;animation-delay:.2s}.mini-wave span:nth-child(4){height:54px;animation-delay:.3s}.modal-content{padding:28px}.modal-topline{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:900}.modal-card h2{margin:5px 0 10px;font-size:clamp(1.6rem,4vw,2.6rem);letter-spacing:-.045em}.intro-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0}.intro-grid div{border:1px solid var(--line);background:#fffaf2;padding:12px}.intro-grid strong,.intro-grid span{display:block}.intro-grid span{color:var(--muted);margin-top:5px}.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:10px 0 18px}.support-box{border:1px solid var(--line);background:#eee6d9;padding:12px}.support-box p{margin:.35rem 0 .8rem;color:var(--muted);line-height:1.4}.support-links{display:flex;gap:8px;flex-wrap:wrap}.modal-actions{display:flex;gap:10px;flex-wrap:wrap}.modal-head-row{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.icon-button{border:1px solid var(--line);background:#fffaf2;font-size:1.5rem;width:42px;height:42px;cursor:pointer}.legal-tabs{display:flex;gap:8px;margin:14px 0}.legal-tab{border:1px solid var(--line);background:#fffaf2;padding:10px 12px;cursor:pointer}.legal-tab.is-active{background:#17191d;color:#fff}.legal-body{display:none;border:1px solid var(--line);background:#fffaf2;padding:16px;line-height:1.55}.legal-body.is-active{display:block}.legal-body h3{margin-top:0}.legal-body ul{padding-left:1.2rem}.is-disabled{opacity:.55;pointer-events:none}.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media (max-width:900px){.converter-grid,.intro-card{grid-template-columns:1fr}.hero-panel{grid-template-columns:1fr}.hero-visual{min-width:0}.modal-graphic{min-height:170px}.site-header{grid-template-columns:auto 1fr}.lang-switch{grid-column:2;justify-self:start}.brand-symbol{width:50px;height:50px}.panel{padding:18px}.fields.two-cols{grid-template-columns:1fr}.field.wide{grid-column:auto}.download-card{align-items:flex-start;flex-direction:column}.intro-grid,.support-grid{grid-template-columns:1fr}}
@media (max-width:560px){.page-shell{width:min(100% - 18px,1180px);padding-top:12px}.site-header{gap:10px}.home-button{width:38px;height:38px}.site-header h1{font-size:2rem}.hero-panel,.panel{padding:15px}.actions-row .primary-button,.actions-row .ghost-button{width:100%}.modal-backdrop{padding:8px}.modal-content{padding:18px}.panel-head{display:block}.panel-tag,.time-badge{margin-top:10px}.cover-row{align-items:stretch}.secondary-button{width:100%}}

/* v3 refinements */
.brand-symbol{object-fit:contain}.modal-graphic img{object-fit:contain;max-width:185px}.compact-modal{width:min(760px,100%)}.compact-modal .modal-content{padding:24px}.compact-modal .intro-grid{margin:14px 0}.compact-intro{grid-template-columns:repeat(2,minmax(0,1fr))}.intro-support-inline{margin:10px 0 18px}.intro-support-inline .ghost-button{padding:10px 12px}.progress-actions{display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap;justify-content:flex-end}.compact-action{padding:8px 10px;font-size:.84rem}.progress-actions .time-badge{margin-top:0}
@media (max-width:900px){.compact-intro{grid-template-columns:1fr}.progress-actions{justify-content:flex-start}.compact-modal .modal-content{padding:20px}}
@media (max-width:560px){.progress-actions{display:grid;gap:8px}.compact-action{width:100%}.intro-support-inline .ghost-button{width:100%}.modal-graphic img{max-width:150px}}
.mode-banner{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin:-4px 0 18px;padding:12px 14px;border:1px solid var(--line);background:#fffaf2;color:#24211c}.mode-banner strong{white-space:nowrap}.mode-banner span{color:var(--muted);line-height:1.35}.mode-banner.is-browser{border-color:#9d7a45;background:#fff2d8}@media(max-width:700px){.mode-banner{display:grid}.mode-banner strong{white-space:normal}}

/* Browser-only refinement */
.intro-button-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}.intro-button-grid .primary-button,.intro-button-grid .ghost-button{width:100%;min-height:48px}.mode-banner.is-browser{border-color:#9d7a45;background:#fff2d8}@media(max-width:560px){.intro-button-grid{grid-template-columns:1fr}}