:root{
    --bg-a:#0a0c18;
    --bg-b:#161334;
    --bg-c:#0c1224;
    --ink:#F3F4FB;
    --ink-soft:#9CA3C7;
    --ink-faint:#6B7295;
    --line:rgba(255,255,255,.13);
    --line-soft:rgba(255,255,255,.08);
    --glass:rgba(255,255,255,.055);
    --glass-hover:rgba(255,255,255,.10);
    --glass-strong:rgba(255,255,255,.14);
    --panel:rgba(13,16,32,.55);
    --panel-deep:rgba(8,10,22,.72);
    --paper:#F5F4F9;
    --frame:rgba(255,255,255,.10);
    --white:#FAFAFF;
    --brand-1:#8B5CF6;
    --brand-2:#22D3EE;
    --brand-3:#EC4899;
    --brand-grad:linear-gradient(135deg,var(--brand-1) 0%,var(--brand-2) 100%);
    --brand-grad-2:linear-gradient(135deg,var(--brand-3) 0%,var(--brand-1) 100%);
    --safelight:#FB7185;
    --safelight-deep:#F43F5E;
    --amber:#FBBF24;
    --ok:#34D399;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:20px;
    --r-xl:26px;
    --shadow-sm:0 4px 18px rgba(4,6,16,.35);
    --shadow-md:0 16px 44px rgba(4,6,16,.45);
    --shadow-glow:0 10px 34px rgba(139,92,246,.32);
    --ease:cubic-bezier(.22,1,.36,1);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    min-height:100vh;
    background:
      radial-gradient(1100px 620px at 8% -8%,rgba(139,92,246,.30),transparent 60%),
      radial-gradient(900px 560px at 100% 10%,rgba(34,211,238,.20),transparent 55%),
      radial-gradient(800px 700px at 50% 120%,rgba(236,72,153,.14),transparent 60%),
      linear-gradient(160deg,var(--bg-a) 0%,var(--bg-b) 45%,var(--bg-c) 100%);
    background-attachment:fixed;
    color:var(--ink);
    font-family:'IBM Plex Sans',sans-serif;
    -webkit-font-smoothing:antialiased;
  }
  ::selection{background:rgba(139,92,246,.35);color:#fff;}
  .wrap{
    max-width:1080px;
    margin:0 auto;
    padding:40px 28px 90px;
  }

  /* ============ SITE HEADER ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:100;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:14px 28px;
    background:rgba(10,12,26,.62);
    backdrop-filter:blur(22px) saturate(160%);
    -webkit-backdrop-filter:blur(22px) saturate(160%);
    border-bottom:1px solid var(--line-soft);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:11px;
    text-decoration:none;
    color:var(--ink);
  }
  .brand-mark{
    width:38px;height:38px;
    border-radius:11px;
    background:var(--brand-grad);
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;
    box-shadow:0 6px 18px rgba(139,92,246,.45);
    position:relative;
    overflow:hidden;
  }
  .brand-mark::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(255,255,255,.35),transparent 60%);
  }
  .brand-mark svg{width:20px;height:20px;position:relative;z-index:1;}
  .brand-word{
    font-family:'IBM Plex Sans',sans-serif;
    font-weight:700;
    font-size:17px;
    letter-spacing:-.01em;
    line-height:1.1;
  }
  .brand-word span{
    display:block;
    font-family:'IBM Plex Mono',monospace;
    font-weight:400;
    font-size:10px;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--ink-soft);
    margin-top:2px;
  }
  .header-pill{
    display:flex;
    align-items:center;
    gap:8px;
    font-family:'IBM Plex Mono',monospace;
    font-size:11.5px;
    color:var(--ink-soft);
    background:var(--glass);
    border:1px solid var(--line);
    padding:8px 14px;
    border-radius:100px;
    white-space:nowrap;
  }
  .header-pill::before{
    content:"";
    width:7px;height:7px;border-radius:50%;
    background:var(--ok);
    box-shadow:0 0 0 3px rgba(52,211,153,.22);
    flex-shrink:0;
  }
  .header-right{display:flex;align-items:center;gap:10px;}
  .lang-switcher{position:relative;}
  .lang-btn{
    display:flex;align-items:center;gap:7px;
    font-family:'IBM Plex Sans',sans-serif;
    font-weight:600;
    font-size:12.5px;
    color:var(--ink);
    background:var(--glass);
    border:1px solid var(--line);
    padding:8px 13px;
    border-radius:100px;
    cursor:pointer;
    transition:background .18s ease,border-color .18s ease;
  }
  .lang-btn:hover{background:var(--glass-hover);border-color:var(--brand-2);}
  .lang-btn svg{width:15px;height:15px;flex-shrink:0;}
  .lang-btn .lang-caret{width:9px;height:9px;transition:transform .18s ease;}
  .lang-switcher.open .lang-btn .lang-caret{transform:rotate(180deg);}
  .lang-menu{
    position:absolute;
    top:calc(100% + 8px);
    right:0;
    min-width:170px;
    background:var(--panel-deep);
    backdrop-filter:blur(20px) saturate(140%);
    -webkit-backdrop-filter:blur(20px) saturate(140%);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-md);
    padding:6px;
    display:none;
    flex-direction:column;
    gap:2px;
    z-index:200;
  }
  .lang-switcher.open .lang-menu{display:flex;}
  .lang-option{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    background:none;border:none;
    font-family:'IBM Plex Sans',sans-serif;
    font-size:13.5px;
    color:var(--ink);
    padding:10px 12px;
    border-radius:var(--r-sm);
    cursor:pointer;
    text-align:left;
    width:100%;
  }
  .lang-option:hover{background:var(--glass-hover);}
  .lang-option.active{color:var(--brand-2);font-weight:700;}
  .lang-option .lo-native{color:var(--ink-soft);font-size:12px;}
  html[dir="rtl"] .lang-option{text-align:right;}
  html[dir="rtl"] .lang-menu{right:auto;left:0;}
  html[lang="ar"] body, html[lang="ar"] .lang-option{font-family:'Noto Sans Arabic','IBM Plex Sans',sans-serif;}
  html[lang="zh"] body, html[lang="zh"] .lang-option{font-family:'Noto Sans SC','IBM Plex Sans',sans-serif;}
  html[dir="rtl"] body{direction:rtl;}
  html[dir="rtl"] .drop-hint,
  html[dir="rtl"] .rail-label,
  html[dir="rtl"] .footer-bottom{letter-spacing:0;}
  @media (max-width:640px){
    .header-pill span.pill-full{display:none;}
  }

  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;
    letter-spacing:.18em;
    text-transform:uppercase;
    color:var(--brand-2);
    display:flex;
    align-items:center;
    gap:10px;
    margin-top:44px;
  }
  .eyebrow::before{
    content:"";
    width:8px;height:8px;border-radius:50%;
    background:var(--brand-grad);
    box-shadow:0 0 0 4px rgba(139,92,246,.18);
  }
  h1{
    font-family:'IBM Plex Sans',sans-serif;
    font-weight:700;
    font-size:clamp(36px,6.4vw,58px);
    line-height:1.03;
    letter-spacing:-.02em;
    margin:14px 0 12px;
  }
  h1 span{
    background:var(--brand-grad);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .sub{
    font-size:16px;
    color:var(--ink-soft);
    max-width:600px;
    line-height:1.6;
    margin:0 0 26px;
  }
  .quality-note{
    display:flex;
    gap:10px;
    align-items:flex-start;
    background:rgba(251,191,36,.09);
    border:1px solid rgba(251,191,36,.25);
    border-radius:var(--r-md);
    padding:14px 18px;
    font-size:13.5px;
    line-height:1.55;
    color:var(--ink);
    margin-bottom:28px;
  }
  .quality-note b{color:var(--amber);}

  /* header category nav */
  .cat-nav{
    display:flex;
    flex-wrap:wrap;
    gap:22px;
    margin-bottom:32px;
  }
  .cat-group{}
  .cat-label{
    display:block;
    font-family:'IBM Plex Mono',monospace;
    font-size:10.5px;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--ink-faint);
    margin-bottom:9px;
  }
  .tabs{
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:100px;
    width:fit-content;
    padding:5px;
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
  }
  .tab-btn{
    background:transparent;
    border:none;
    font-family:'IBM Plex Sans',sans-serif;
    font-weight:700;
    font-size:14px;
    letter-spacing:.01em;
    padding:10px 16px;
    cursor:pointer;
    color:var(--ink-soft);
    border-radius:100px;
    white-space:nowrap;
    transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .tabs-lg{padding:8px;margin-bottom:6px;}
  .tabs-lg .tab-btn{
    font-size:17px;
    font-weight:800;
    padding:16px 28px;
  }
  .tab-btn:hover{color:var(--ink);background:var(--glass-hover);}
  .tab-btn.active{
    background:var(--brand-grad);
    color:#fff;
    box-shadow:0 6px 18px rgba(139,92,246,.4);
  }
  .panel{display:none;}
  .panel.active{display:block;animation:fadeUp .35s var(--ease);}
  @keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

  /* control rail */
  .rail{
    display:flex;
    flex-wrap:wrap;
    gap:0;
    border:1px solid var(--line);
    background:var(--glass);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    border-radius:var(--r-lg);
    margin-bottom:28px;
    overflow:hidden;
    box-shadow:var(--shadow-sm);
  }
  .rail-item{
    flex:1 1 160px;
    padding:16px 20px;
    border-right:1px solid var(--line-soft);
    transition:background .2s ease;
  }
  .rail-item:hover{background:rgba(255,255,255,.03);}
  .rail-item:last-child{border-right:none;}
  .rail-item.disabled{opacity:.35;pointer-events:none;}
  .rail-label{
    font-family:'IBM Plex Mono',monospace;
    font-size:10.5px;
    letter-spacing:.12em;
    text-transform:uppercase;
    color:var(--ink-faint);
    display:block;
    margin-bottom:9px;
  }
  select, input[type=range], input[type=text]{
    width:100%;
    font-family:'IBM Plex Mono',monospace;
    font-size:13px;
  }
  select, input[type=text]{
    background:transparent;
    border:none;
    border-bottom:1px solid var(--line);
    padding:5px 0;
    color:var(--ink);
  }
  select option{background:#161634;color:var(--ink);}
  select{cursor:pointer;}
  select:focus, input[type=text]:focus{outline:none;border-bottom:1px solid var(--brand-2);}
  .fmt-toggle{
    display:flex;
    border:1px solid var(--line);
    border-radius:100px;
    overflow:hidden;
    padding:3px;
    gap:3px;
  }
  .fmt-toggle button{
    flex:1;
    background:transparent;
    border:none;
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;
    padding:7px 0;
    cursor:pointer;
    color:var(--ink-soft);
    border-radius:100px;
    transition:background .2s ease,color .2s ease;
  }
  .fmt-toggle button.active{
    background:var(--brand-grad);
    color:#fff;
  }
  input[type=range]{
    -webkit-appearance:none;
    height:3px;
    border-radius:100px;
    background:var(--line);
    margin-top:8px;
  }
  input[type=range]::-webkit-slider-thumb{
    -webkit-appearance:none;
    width:15px;height:15px;
    border-radius:50%;
    background:var(--brand-grad);
    box-shadow:0 2px 8px rgba(139,92,246,.55);
    cursor:pointer;
    margin-top:-6px;
  }
  input[type=range]::-moz-range-thumb{
    width:15px;height:15px;border:none;border-radius:50%;
    background:var(--brand-1);cursor:pointer;
  }
  .rail-value{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;
    color:var(--brand-2);
    margin-top:7px;
    display:block;
  }

  /* dropzone */
  .drop{
    border:2px dashed var(--line);
    border-radius:var(--r-xl);
    background:var(--glass);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    padding:64px 28px;
    text-align:center;
    cursor:pointer;
    transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .drop:hover, .drop.dragover{
    border-color:var(--brand-2);
    background:rgba(139,92,246,.08);
    transform:translateY(-3px);
    box-shadow:var(--shadow-md);
  }
  .drop-icon{
    width:76px;height:76px;
    margin:0 auto 22px;
    border-radius:50%;
    background:var(--brand-grad);
    display:flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-glow);
    transition:transform .25s var(--ease);
  }
  .drop:hover .drop-icon{transform:scale(1.06);}
  .drop-icon svg{width:30px;height:30px;stroke:#fff !important;}
  .drop-title{font-weight:800;font-size:21px;letter-spacing:-.01em;margin-bottom:8px;}
  .drop-hint{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;color:var(--ink-faint);
    margin-bottom:26px;
  }
  .drop-upload-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    background:var(--brand-grad);
    color:#fff;
    border:none;
    border-radius:100px;
    font-family:'IBM Plex Sans',sans-serif;
    font-weight:700;
    font-size:15px;
    padding:16px 32px;
    box-shadow:0 10px 26px rgba(139,92,246,.4);
    pointer-events:none;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s ease;
  }
  .drop:hover .drop-upload-btn{transform:translateY(-2px);box-shadow:0 14px 34px rgba(139,92,246,.5);filter:brightness(1.06);}
  .drop-upload-btn svg{width:18px;height:18px;}
  input[type=file]{display:none;}

  /* status bar */
  .statusbar{
    display:none;
    justify-content:space-between;
    align-items:center;
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;
    color:var(--ink-soft);
    margin:22px 0 16px;
    padding-bottom:14px;
    border-bottom:1px solid var(--line-soft);
    flex-wrap:wrap;
    gap:10px;
  }
  .statusbar .fname{color:var(--ink);font-weight:500;}
  .reset-btn{
    background:var(--glass);border:1px solid var(--line);
    border-radius:100px;
    font-family:'IBM Plex Mono',monospace;font-size:11px;
    padding:8px 14px;cursor:pointer;color:var(--ink-soft);
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .reset-btn:hover{border-color:var(--brand-2);color:var(--ink);background:var(--glass-hover);}

  /* progress */
  .progwrap{display:none;margin:18px 0;}
  .progtrack{height:4px;background:var(--line);border-radius:100px;position:relative;overflow:hidden;}
  .progfill{height:100%;width:0%;background:var(--brand-grad);border-radius:100px;transition:width .2s ease;}
  .proglabel{
    font-family:'IBM Plex Mono',monospace;font-size:11.5px;
    color:var(--ink-soft);margin-top:9px;
  }

  /* contact sheet grid */
  .sheet{
    display:none;
    margin-top:12px;
  }
  .frame-card{
    background:var(--panel);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:10px 10px 0;
    position:relative;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .frame-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
  .sprockets{
    display:flex;justify-content:space-between;
    padding:0 4px;
  }
  .sprockets span{
    width:6px;height:6px;background:rgba(255,255,255,.18);
    border-radius:2px;
  }
  .frame-img-wrap{
    background:var(--paper);
    margin:8px 0;
    aspect-ratio:3/4;
    border-radius:var(--r-sm);
    display:flex;align-items:center;justify-content:center;
    overflow:hidden;
    position:relative;
  }
  .frame-img-wrap img{width:100%;height:100%;object-fit:contain;}
  .frame-foot{
    display:flex;justify-content:space-between;align-items:center;
    padding:9px 2px 11px;
    gap:4px;
  }
  .frame-num{
    font-family:'IBM Plex Mono',monospace;
    font-size:10.5px;color:var(--ink-soft);
    letter-spacing:.03em;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }
  .frame-actions{display:flex;gap:2px;flex-shrink:0;}
  .frame-dl, .frame-mini{
    background:none;border:none;cursor:pointer;
    color:var(--ink-soft);opacity:.85;padding:4px;
    border-radius:8px;
    display:flex;align-items:center;
    transition:color .15s ease,background .15s ease;
  }
  .frame-dl:hover, .frame-mini:hover{color:var(--brand-2);opacity:1;background:var(--glass-hover);}
  .frame-dl svg, .frame-mini svg{width:14px;height:14px;}
  .frame-loading{
    font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--ink-faint);
  }

  /* download all bar */
  .allbar{
    display:none;
    margin-top:32px;
    padding:22px 24px;
    background:var(--panel-deep);
    backdrop-filter:blur(20px) saturate(140%);
    -webkit-backdrop-filter:blur(20px) saturate(140%);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:14px;
    box-shadow:var(--shadow-sm);
  }
  .allbar .meta{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;color:var(--ink-soft);
  }
  .allbar .meta b{color:var(--ink);font-size:13px;}
  .allbar .btns{display:flex;gap:10px;flex-wrap:wrap;}
  .zip-btn{
    background:var(--brand-grad);
    color:#fff;
    border:none;
    border-radius:100px;
    font-family:'IBM Plex Mono',monospace;
    font-size:13px;letter-spacing:.04em;
    padding:14px 24px;
    cursor:pointer;
    display:flex;align-items:center;gap:9px;
    box-shadow:0 10px 26px rgba(139,92,246,.4);
    transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s ease;
  }
  .zip-btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(139,92,246,.5);filter:brightness(1.06);}
  .zip-btn:active{transform:translateY(0);}
  .zip-btn:disabled{background:var(--glass);color:var(--ink-faint);box-shadow:none;cursor:not-allowed;}
  .zip-btn svg{width:16px;height:16px;}
  .files-btn{
    background:var(--glass);
    color:var(--ink);
    border:1px solid var(--line);
    border-radius:100px;
    font-family:'IBM Plex Mono',monospace;
    font-size:13px;letter-spacing:.04em;
    padding:14px 24px;
    cursor:pointer;
    display:flex;align-items:center;gap:9px;
    transition:background .18s ease,transform .18s var(--ease),border-color .18s ease;
  }
  .files-btn:hover{background:var(--glass-hover);border-color:var(--brand-2);transform:translateY(-2px);}
  .files-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}
  .files-btn svg{width:16px;height:16px;}
  .allbar .files-btn{color:var(--ink);border-color:var(--line);}
  .allbar .files-btn:hover{background:var(--glass-hover);}

  /* text tools */
  textarea.tt-input{
    width:100%;
    min-height:200px;
    padding:16px;
    font-family:'IBM Plex Sans',sans-serif;
    font-size:14.5px;
    line-height:1.65;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    background:var(--glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    color:var(--ink);
    resize:vertical;
    transition:border-color .18s ease,background .18s ease;
  }
  textarea.tt-input:focus{outline:none;border-color:var(--brand-2);background:rgba(255,255,255,.08);}
  .tt-row{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-top:14px;
    flex-wrap:wrap;
    gap:10px;
  }
  .tt-stats{
    display:flex;gap:18px;flex-wrap:wrap;
    font-family:'IBM Plex Mono',monospace;
    font-size:11.5px;color:var(--ink-soft);
    margin-top:18px;
  }
  .tt-stats b{color:var(--ink);}
  .legend{
    display:flex;gap:16px;flex-wrap:wrap;
    margin:18px 0 6px;
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;color:var(--ink-soft);
  }
  .legend span{display:flex;align-items:center;gap:6px;}
  .swatch{width:10px;height:10px;border-radius:3px;display:inline-block;}
  .marked{
    white-space:pre-wrap;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    background:var(--glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    padding:18px;
    font-size:14.5px;
    line-height:1.7;
    margin-top:16px;
  }
  .marked mark{padding:1px 3px;border-radius:4px;}
  .issue-list{margin-top:20px;}
  .issue-group{margin-bottom:18px;}
  .issue-group-title{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;letter-spacing:.08em;text-transform:uppercase;
    color:var(--brand-2);margin-bottom:8px;
  }
  .issue-row{
    display:flex;justify-content:space-between;gap:12px;
    padding:10px 4px;border-bottom:1px solid var(--line-soft);
    font-size:13.5px;
  }
  .issue-row .frag{font-family:'IBM Plex Mono',monospace;color:var(--ink);}
  .issue-row .sugg{color:var(--ink-soft);text-align:right;}
  .dup-card{
    border:1px solid var(--line);
    border-radius:var(--r-md);
    background:var(--glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    padding:16px 18px;
    margin-bottom:12px;
  }
  .dup-card .sentence{font-size:14px;line-height:1.55;margin-bottom:8px;}
  .dup-card .row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;}
  .badge{
    font-family:'IBM Plex Mono',monospace;
    font-size:10.5px;letter-spacing:.04em;
    padding:4px 10px;
    border-radius:100px;
    display:inline-block;
  }
  .badge.dup{background:rgba(244,63,94,.16);color:var(--safelight);}
  .search-link{
    font-family:'IBM Plex Mono',monospace;
    font-size:11.5px;
    color:var(--ink);
    border:1px solid var(--line);
    border-radius:100px;
    padding:8px 14px;
    text-decoration:none;
    display:inline-flex;align-items:center;gap:6px;
    background:var(--glass);
    transition:background .18s ease,border-color .18s ease,transform .18s var(--ease);
  }
  .search-link:hover{background:var(--glass-hover);border-color:var(--brand-2);transform:translateY(-1px);}

  .rev-preview{
    display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap;
    margin-top:20px;
  }
  .rev-thumb{
    width:180px;height:180px;
    border:1px solid var(--line);
    border-radius:var(--r-md);
    background:var(--paper);
    display:flex;align-items:center;justify-content:center;
    overflow:hidden;flex-shrink:0;
  }
  .rev-thumb img{width:100%;height:100%;object-fit:contain;}
  .link-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
    gap:14px;
    margin-top:20px;
  }
  .link-card{
    border:1px solid var(--line);
    border-radius:var(--r-md);
    background:var(--glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    padding:16px;
    text-decoration:none;
    color:var(--ink);
    display:flex;flex-direction:column;gap:8px;
    transition:background .18s ease,transform .18s var(--ease),border-color .18s ease;
  }
  .link-card:hover{background:var(--glass-hover);border-color:var(--brand-2);transform:translateY(-2px);}
  .link-card .lc-title{font-weight:600;font-size:14.5px;}
  .link-card .lc-sub{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ink-faint);}

  /* SEO tools */
  .score-wrap{display:flex;align-items:center;gap:16px;margin:20px 0;}
  .score-badge{
    width:78px;height:78px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;flex-direction:column;
    border:3px solid var(--line);flex-shrink:0;
    background:var(--glass);
    backdrop-filter:blur(14px);
  }
  .score-badge .num{font-family:'IBM Plex Sans',sans-serif;font-weight:700;font-size:22px;line-height:1;}
  .score-badge .of{font-family:'IBM Plex Mono',monospace;font-size:9px;color:var(--ink-faint);}
  .score-badge.good{border-color:var(--ok);}
  .score-badge.good .num{color:var(--ok);}
  .score-badge.mid{border-color:var(--amber);}
  .score-badge.mid .num{color:var(--amber);}
  .score-badge.bad{border-color:var(--safelight);}
  .score-badge.bad .num{color:var(--safelight);}
  .check-row{
    display:flex;gap:10px;align-items:flex-start;
    padding:10px 4px;border-bottom:1px solid var(--line-soft);
    font-size:13.5px;
  }
  .check-icon{
    width:18px;height:18px;flex-shrink:0;margin-top:2px;
    border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:600;
  }
  .check-icon.pass{color:var(--ok);background:rgba(52,211,153,.14);}
  .check-icon.fail{color:var(--safelight);background:rgba(244,63,94,.14);}
  .check-text b{display:block;}
  .check-text span{color:var(--ink-soft);font-size:12.5px;}
  .kw-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .kw-tag{
    font-family:'IBM Plex Mono',monospace;font-size:12px;
    border:1px solid var(--line);border-radius:100px;padding:6px 12px;
    background:var(--glass);color:var(--ink-soft);
  }
  .field-row{
    display:grid;grid-template-columns:1fr 1fr;gap:0;
    border:1px solid var(--line);border-radius:var(--r-lg);
    background:var(--glass);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    margin-bottom:18px;
    overflow:hidden;
  }
  .field-row.single{grid-template-columns:1fr;}
  .field-item{padding:14px 18px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
  .field-item:nth-child(2n){border-right:none;}
  .field-item.full{grid-column:1/-1;}
  .field-item label{
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;
    text-transform:uppercase;color:var(--ink-faint);display:block;margin-bottom:6px;
  }
  .field-item input, .field-item select, .field-item textarea{
    width:100%;border:none;border-bottom:1px solid var(--line);
    background:transparent;font-family:'IBM Plex Sans',sans-serif;font-size:14px;
    padding:5px 0;color:var(--ink);
  }
  .field-item textarea{font-family:'IBM Plex Mono',monospace;font-size:12.5px;min-height:70px;border:1px solid var(--line-soft);border-radius:var(--r-sm);padding:8px;}
  .field-item input:focus, .field-item select:focus, .field-item textarea:focus{outline:none;border-color:var(--brand-2);}
  .mini-h{
    font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;
    text-transform:uppercase;color:var(--brand-2);margin:26px 0 10px;
  }
  .out-block{
    border:1px solid var(--line);border-radius:var(--r-md);
    background:var(--glass);
    backdrop-filter:blur(14px);
    padding:16px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;
    white-space:pre-wrap;line-height:1.7;margin-top:8px;color:var(--ink);
  }
  .subnote{font-size:13px;color:var(--ink-soft);line-height:1.55;margin:8px 0 18px;}

  /* ============ SITE FOOTER ============ */
  .site-footer{
    margin-top:70px;
    border-top:1px solid var(--line-soft);
    padding-top:48px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr;
    gap:32px;
    margin-bottom:36px;
  }
  .footer-brand .brand{margin-bottom:14px;}
  .footer-blurb{
    font-size:13.5px;
    color:var(--ink-soft);
    line-height:1.6;
    max-width:280px;
    margin-bottom:18px;
  }
  .social-row{display:flex;gap:10px;}
  .social-icon{
    width:34px;height:34px;
    border-radius:10px;
    background:var(--glass);
    border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    color:var(--ink-soft);
    text-decoration:none;
    transition:background .18s ease,color .18s ease,transform .18s var(--ease);
  }
  .social-icon:hover{background:var(--brand-grad);color:#fff;transform:translateY(-2px);border-color:transparent;}
  .social-icon svg{width:15px;height:15px;}
  .footer-col-title{
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;letter-spacing:.12em;text-transform:uppercase;
    color:var(--ink-faint);margin-bottom:16px;
  }
  .footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
  .footer-links a{
    color:var(--ink-soft);text-decoration:none;font-size:13.5px;
    transition:color .15s ease;
  }
  .footer-links a:hover{color:var(--brand-2);}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px;
    padding-top:22px;
    border-top:1px solid var(--line-soft);
    font-family:'IBM Plex Mono',monospace;
    font-size:11px;color:var(--ink-faint);
  }
  .footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
  .footer-bottom .fb-links a{color:var(--ink-faint);text-decoration:none;}
  .footer-bottom .fb-links a:hover{color:var(--ink-soft);}

  @media (max-width:900px){
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:560px){
    .rail-item{flex:1 1 45%;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .site-header{padding:12px 18px;}
    .wrap{padding:28px 18px 70px;}
  }


/* PDF to image: multiple-file group controls */
.pdf-group-section{
  width:100%;
  margin:0 0 24px;
  padding:14px;
  border:1px solid var(--line-soft);
  border-radius:16px;
  background:rgba(255,255,255,.025);
}
.pdf-group-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:2px 2px 14px;
  border-bottom:1px solid var(--line-soft);
  margin-bottom:16px;
}
.pdf-group-info{display:flex;flex-direction:column;min-width:0;gap:4px;flex:1 1 auto;}
.pdf-group-info strong{
  display:block;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--ink);
  font-size:14px;
}
.pdf-group-info span{color:var(--muted);font-size:12px;}
.pdf-group-download{
  flex:0 0 auto;
  min-height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--glass);
  color:var(--ink);
  padding:9px 14px;
  font:inherit;
  font-size:12px;
  font-weight:700;
  line-height:1.25;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.pdf-group-download:hover{background:var(--glass-hover);border-color:var(--brand-2);transform:translateY(-1px);}
.pdf-group-download:disabled{opacity:.6;cursor:wait;transform:none;}
.pdf-pages-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(150px,1fr));
  gap:18px;
  width:100%;
}
@media(max-width:620px){
  .pdf-group-section{padding:12px;margin-bottom:18px;}
  .pdf-group-header{align-items:stretch;flex-direction:column;gap:10px;}
  .pdf-group-download{width:100%;}
  .pdf-pages-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .frame-num{max-width:calc(100% - 34px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}
@media(max-width:390px){
  .pdf-pages-grid{grid-template-columns:1fr;}
}

/* Keep auto-scroll targets comfortably below the browser/header edge. */
#rail1, #statusBar { scroll-margin-top: 18px; }


/* PDF selection queue — stable v6 */
.pdf-queue{
  scroll-margin-top:18px;
  margin:0 0 24px;
  padding:18px;
  border:1px solid var(--line-soft);
  border-radius:18px;
  background:rgba(255,255,255,.035);
  overflow:hidden;
}
.pdf-queue-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:8px;}
.pdf-queue-head>div{display:flex;flex-direction:column;gap:4px;min-width:0;}
.pdf-queue-head strong{font-size:16px;color:var(--ink);}
.pdf-queue-head span,.pdf-queue-help{font-size:12px;color:var(--muted);}
.pdf-queue-help{margin:0 0 14px;line-height:1.55;}
.queue-clear-btn{border:0;background:transparent;color:var(--muted);font:inherit;font-size:12px;font-weight:700;cursor:pointer;padding:8px;}
.queue-clear-btn:hover{color:var(--ink);}
.pdf-queue-list{display:flex;flex-direction:column;gap:9px;}
.pdf-queue-item{
  display:grid;
  grid-template-columns:24px 34px minmax(0,1fr) auto;
  align-items:center;
  gap:10px;
  min-width:0;
  padding:10px 11px;
  border:1px solid var(--line-soft);
  border-radius:12px;
  background:rgba(255,255,255,.035);
  transition:border-color .15s ease,background .15s ease,opacity .15s ease;
}
.pdf-queue-item.dragging{opacity:.45;}
.pdf-queue-item.drag-over{border-color:var(--brand-2);background:var(--glass-hover);}
.queue-drag{cursor:grab;color:var(--muted);font-weight:900;letter-spacing:-3px;user-select:none;}
.queue-order{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--glass);font-size:12px;font-weight:800;color:var(--ink);}
.queue-file-info{display:flex;flex-direction:column;gap:3px;min-width:0;}
.queue-file-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;color:var(--ink);}
.queue-file-info small{color:var(--muted);font-size:11px;}
.queue-move-buttons{display:flex;align-items:center;gap:5px;}
.queue-icon-btn{width:32px;height:32px;border:1px solid var(--line-soft);border-radius:9px;background:var(--glass);color:var(--ink);font:inherit;font-weight:800;cursor:pointer;}
.queue-icon-btn:hover:not(:disabled){border-color:var(--brand-2);background:var(--glass-hover);}
.queue-icon-btn:disabled{opacity:.3;cursor:not-allowed;}
.queue-icon-btn.remove-file{font-size:20px;color:#fda4af;}
.pdf-queue-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:16px;}
.pdf-queue-actions .files-btn,.pdf-queue-actions .zip-btn{min-height:46px;}

/* Results must never overlap, regardless of filename length or viewport. */
#sheet{width:100%;min-width:0;}
.pdf-group-section{box-sizing:border-box;overflow:hidden;min-width:0;}
.pdf-group-header{min-width:0;}
.pdf-group-info{overflow:hidden;}
.pdf-pages-grid{min-width:0;}
.frame-card{min-width:0;max-width:100%;overflow:hidden;}
.frame-foot{min-width:0;}
.frame-num{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.allbar{flex-wrap:wrap;gap:14px;}
.allbar .btns{display:flex;flex-wrap:wrap;gap:10px;max-width:100%;}

@media(max-width:620px){
  .pdf-queue{padding:14px;}
  .pdf-queue-head{align-items:flex-start;}
  .pdf-queue-item{grid-template-columns:20px 30px minmax(0,1fr);gap:8px;}
  .queue-move-buttons{grid-column:2 / -1;justify-content:flex-end;}
  .pdf-queue-actions{display:grid;grid-template-columns:1fr;}
  .pdf-queue-actions .files-btn,.pdf-queue-actions .zip-btn{width:100%;}
  .allbar .btns{display:grid;width:100%;grid-template-columns:1fr;}
  .allbar .btns button{width:100%;max-width:none;}
}