@font-face{font-family:"IBM Plex Sans Thai";font-weight:400;font-display:swap;src:url(../vendor/fonts/ibm-plex-sans-thai-thai-400-normal.woff2) format("woff2");unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"IBM Plex Sans Thai";font-weight:600;font-display:swap;src:url(../vendor/fonts/ibm-plex-sans-thai-thai-600-normal.woff2) format("woff2");unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"IBM Plex Sans Thai";font-weight:700;font-display:swap;src:url(../vendor/fonts/ibm-plex-sans-thai-thai-700-normal.woff2) format("woff2");unicode-range:U+02D7,U+0303,U+0331,U+0E01-0E5B,U+200C-200D,U+25CC}
@font-face{font-family:"IBM Plex Sans Thai";font-weight:400;font-display:swap;src:url(../vendor/fonts/ibm-plex-sans-thai-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122,U+2190-2193,U+2212}
@font-face{font-family:"IBM Plex Sans Thai";font-weight:600;font-display:swap;src:url(../vendor/fonts/ibm-plex-sans-thai-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122,U+2190-2193,U+2212}
@font-face{font-family:"IBM Plex Sans Thai";font-weight:700;font-display:swap;src:url(../vendor/fonts/ibm-plex-sans-thai-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F,U+20AC,U+2122,U+2190-2193,U+2212}

:root{
  --ground:#F3F5F3;--surface:#FFFFFF;--ink:#1E2A2F;--muted:#55636A;--line:#D8DEDC;--line-strong:#B9C4C1;
  --accent:#0F6B66;--accent-soft:#E3F1EF;--warn-bg:#FCEFE2;--warn-ink:#7A3B06;--danger:#A3360F;--stage:#DDE3E1;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:16px/1.55 "IBM Plex Sans Thai","Noto Sans Thai",Tahoma,sans-serif}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{opacity:.45;cursor:not-allowed}
button:focus-visible,input:focus-visible{outline:3px solid #E07B00;outline-offset:2px}
h1,h2,p{margin:0}
.icon{display:inline-flex;flex:none}
.icon svg{display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.btn{min-height:44px;padding:8px 16px;border-radius:8px;border:1px solid var(--line-strong);background:var(--surface);font-size:16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-align:center}
.btn:hover:not(:disabled){background:#EEF2F0}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.btn-primary:hover:not(:disabled){background:#0B5652}
.btn-outline{border-color:var(--accent);color:var(--accent);font-weight:600}
.btn-square{width:44px;padding:0;font-size:20px}
.btn-large{min-height:52px;font-size:18px}
.btn-danger{color:var(--danger)}

html{scroll-behavior:smooth}
.page-section,.convert-category{scroll-margin-top:76px}
.shell{display:flex;align-items:flex-start;max-width:1520px;margin:0 auto}
.shell>.main{flex:1 1 0;min-width:0;width:100%}
.sidebar{flex:none;width:224px;position:sticky;top:61px;max-height:calc(100vh - 61px);overflow:auto;padding:24px 0 24px 16px}
.nav-open{width:100%;margin-bottom:8px}
.nav-text{flex:1;min-width:0}
@media (max-width:900px){
  .topbar{position:static}
  .page-section,.convert-category{scroll-margin-top:12px}
  .shell{display:block}
  .sidebar{position:static;width:auto;max-height:none;padding:8px 16px 0}
}
.topbar{position:sticky;top:0;z-index:10;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 24px;display:flex;flex-wrap:wrap;gap:4px 24px;align-items:center}
.brand{font-size:20px;font-weight:700}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{min-height:44px;padding:8px 10px;border-radius:8px;color:var(--ink);font-size:15px;font-weight:600;text-decoration:none;display:flex;align-items:center;gap:10px}
.nav a:hover{background:#E6EBE9}
.nav a[aria-current="true"]{background:var(--accent-soft);color:#0A4F4B}
.nav a:focus-visible{outline:3px solid #E07B00;outline-offset:2px}
.nav-label{margin-top:12px;padding:0 10px 2px;color:var(--muted);font-size:13px;font-weight:600}
.convert-category,.convert-results{display:flex;flex-direction:column;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
h3{margin:0}
.badge{display:inline-block;min-width:22px;margin-left:6px;padding:0 6px;border-radius:11px;background:#E8EEEC;color:#2B3A3F;font-size:13px;font-weight:600;text-align:center}
.main{max-width:1240px;margin:0 auto;padding:24px}
.stack{display:flex;flex-direction:column;gap:24px}
.split{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start}
.split-main{flex:999 1 560px;min-width:0}
.split-side{flex:1 1 280px;min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}
.panel-col{display:flex;flex-direction:column;gap:16px}
.title{font-size:22px;font-weight:700}
.subtitle{color:var(--muted);font-size:15px}
.section-title{font-size:18px;font-weight:600}
.row-between{display:flex;justify-content:space-between;gap:12px}
.head-row{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.muted{color:var(--muted)}
.notice{background:var(--warn-bg);color:var(--warn-ink);border-radius:8px;padding:10px 14px;font-size:15px}

.drop{width:100%;min-height:190px;padding:24px;background:var(--surface);border:2px dashed #8A9A98;border-radius:16px;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center}
.drop:hover{background:#FAFCFB;border-color:var(--accent)}
.drop strong{font-size:26px}
.drop span{font-size:17px;color:var(--muted)}
.drop .icon{color:var(--ink)}
.drop small{font-size:14px;color:var(--muted)}

.filechip{flex:none;min-width:56px;padding:2px 8px;border-radius:6px;background:#E8EEEC;color:#2B3A3F;font-size:13px;font-weight:600;text-align:center}
.filelist{display:flex;flex-direction:column;gap:6px}
.file-item{display:flex;gap:6px;align-items:stretch}
.file-open{flex:1 1 auto;min-width:0;min-height:56px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-align:left;display:flex;flex-direction:column;gap:2px}
.file-open:hover{border-color:var(--accent)}
.file-open[aria-current="true"]{background:var(--accent-soft);border-color:var(--accent)}
.file-open b{font-size:15px;font-weight:600;overflow-wrap:anywhere}
.file-open small{font-size:13px;color:var(--muted)}
.file-close{flex:none;width:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--danger);font-size:18px}

.toolbar{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px 12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tool-group{display:flex;gap:6px;align-items:center}
.tool-end{margin-left:auto;display:flex;flex-wrap:wrap;gap:8px}
.zoom-label{width:56px;text-align:center;font-size:15px}
.viewer-col{display:flex;flex-direction:column;gap:12px}
.stage{background:var(--stage);border-radius:12px;padding:24px;overflow:auto;min-height:640px;display:flex;justify-content:flex-start;align-items:flex-start}
.stage-inner{flex:none;max-width:none;margin:0 auto}
.paper{display:block;background:#fff;box-shadow:0 2px 8px rgba(30,42,47,.18)}
.tabs{display:flex;flex-wrap:wrap;gap:6px}
.tabs button{min-height:44px;padding:6px 14px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);font-size:15px}
.tabs button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.sheet-table{border-collapse:collapse;background:#fff;font-size:14px}
.sheet-table td{border:1px solid #C8D0CE;padding:5px 10px;white-space:pre-wrap;vertical-align:top}
.sheet-table td.num{text-align:right}
.empty{padding:48px 20px;border:2px dashed var(--line-strong);border-radius:12px;text-align:center;color:var(--muted)}
.loading{padding:48px;color:var(--muted)}
.docx-host{background:transparent}
.docx-host section.docx{margin:0 auto 16px;box-shadow:0 2px 8px rgba(30,42,47,.18)}

.page-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px}
.page-card{border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:8px;background:#F7F9F8}
.page-card[draggable="true"]{cursor:grab}
.page-card.drop-before{outline:3px solid var(--accent);outline-offset:1px}
.thumb{position:relative;aspect-ratio:1/1.3;background:#fff;border:1px solid #C8D0CE;display:flex;align-items:center;justify-content:center;overflow:hidden}
.thumb img{max-width:100%;max-height:100%;display:block;transition:transform .15s}
.thumb-no{position:absolute;top:6px;right:6px;z-index:1;min-width:26px;height:26px;padding:0 6px;border-radius:13px;background:var(--ink);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.card-name{font-size:14px;font-weight:600;overflow-wrap:anywhere}
.card-sub{font-size:13px;color:var(--muted)}
.card-tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}
.card-tools button{height:44px;padding:0;background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;font-size:17px}
.pills{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.pills button{min-height:48px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);font-size:18px;font-weight:600}
.pills button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.slip-stage{background:var(--stage);border-radius:12px;padding:24px;display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
.slip-sheet{width:100%;max-width:400px;aspect-ratio:1/1.414;background:#fff;box-shadow:0 2px 8px rgba(30,42,47,.18);padding:16px;display:grid;gap:10px}
.slip-cell{min-height:0;min-width:0;display:flex;align-items:center;justify-content:center;overflow:hidden}
.slip-cell img{max-width:100%;max-height:100%;display:block}
.slip-list{display:flex;flex-direction:column;gap:6px}
.slip-row{display:flex;gap:6px;align-items:center;padding:6px;border:1px solid var(--line);border-radius:8px}
.slip-row img{width:44px;height:44px;object-fit:cover;flex:none;border-radius:4px}
.slip-row span{flex:1 1 auto;min-width:0;font-size:14px;overflow-wrap:anywhere}
.slip-row button{flex:none;width:36px;height:44px;padding:0;background:var(--surface);border:1px solid var(--line-strong);border-radius:6px}

.file-group{margin-top:6px;font-size:13px;font-weight:600;color:var(--muted)}
.convert-select{display:inline-flex;align-items:center;gap:6px;font-size:15px}
.convert-select select{min-height:44px;padding:6px 10px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);font:inherit}
.convert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.convert-card{min-height:76px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;text-align:left;display:flex;flex-direction:column;gap:2px}
.convert-card:hover{border-color:var(--accent)}
.convert-card b{font-size:17px;font-weight:600}
.convert-card small{font-size:13px;color:var(--muted)}
.result-row{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between;padding:8px 0;border-top:1px solid var(--line)}
.result-row span{min-width:0;display:flex;flex-direction:column;overflow-wrap:anywhere}
.result-row small{font-size:13px;color:var(--muted)}
.text-page{margin:0;width:760px;max-width:none;min-height:600px;padding:32px;box-sizing:border-box;font:14px/1.6 "IBM Plex Sans Thai",Tahoma,monospace;white-space:pre-wrap;overflow-wrap:anywhere}
.slide-list{display:flex;flex-direction:column;gap:16px;width:720px}
.slide-card{padding:24px;display:flex;flex-direction:column;gap:8px}
.video-player{display:block;max-width:100%;max-height:70vh;background:#000}
.audio-player{width:min(520px,80vw);margin-top:80px}
.model-host{width:100%;height:600px;background:#fff;border-radius:8px;overflow:hidden}
.model-host canvas{display:block;touch-action:none}
.model-info{font-size:15px;color:var(--muted)}

[hidden]{display:none!important}
.search-input{flex:1 1 280px;min-width:0;min-height:44px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface)}
.search-group{display:flex;flex-direction:column;gap:6px}
.folder-bar{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:8px;background:#F3F5F3}
.recent-row{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;padding:8px 0;border-top:1px solid var(--line)}
.recent-name{flex:1 1 220px;min-width:0;display:flex;flex-direction:column;overflow-wrap:anywhere}
.recent-name small{font-size:13px;color:var(--muted)}
.recent-row .file-close{height:44px}
.folder-dialog{max-width:720px;margin:auto;max-height:100%}
.folder-crumbs{display:flex;flex-wrap:wrap;gap:6px}
.folder-list{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column;gap:6px}
.folder-row{min-height:52px;flex:none;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-align:left;display:flex;flex-wrap:wrap;gap:4px 12px;align-items:center}
.folder-row:hover{border-color:var(--accent)}
.folder-row b{flex:1 1 200px;font-weight:600;overflow-wrap:anywhere}
.folder-row small{color:var(--muted);font-size:13px}
body.pv-open{overflow:hidden}
.pv-backdrop{position:fixed;inset:0;z-index:35;background:rgba(30,42,47,.6);display:flex;padding:16px}
.pv-dialog{flex:1;min-width:0;background:var(--surface);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px}
.pv-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.pv-title{overflow-wrap:anywhere}
.pv-close{height:44px}
.pv-hint{margin-left:auto;font-size:14px;color:var(--muted)}
.pv-box{flex:1;min-height:0;background:var(--stage);border-radius:10px;overflow:auto;display:flex;padding:16px}
.pv-inner{flex:none;margin:auto}
.pv-inner canvas,.pv-inner img{display:block;max-width:none;user-select:none}
.pv-sheets{display:flex;flex-direction:column;gap:10px;padding:16px;background:#fff}
.pv-model{flex:1;min-width:0;background:#fff;border-radius:8px;overflow:hidden}
.pv-model canvas{display:block;touch-action:none}
.pv-empty{background:var(--surface)}
.can-pan{cursor:grab}
.panning{cursor:grabbing;user-select:none}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);max-width:90%;z-index:50;pointer-events:none}
.toast div{padding:12px 20px;border-radius:10px;background:var(--ink);color:#fff;font-size:15px}
.backdrop{position:fixed;inset:0;background:rgba(30,42,47,.5);display:flex;align-items:center;justify-content:center;padding:16px;z-index:40}
.dialog{width:100%;max-width:460px;background:var(--surface);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:14px}
.dialog label{display:flex;flex-direction:column;gap:6px;font-weight:600}
.dialog input{min-height:48px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:8px}
.dialog .error{color:var(--danger);font-size:15px}
.dialog-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}
.drag-hint{position:fixed;inset:12px;z-index:20;border:4px dashed var(--accent);border-radius:16px;background:rgba(227,241,239,.85);display:none;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#0A4F4B;pointer-events:none}
.drag-hint.on{display:flex}

@media (max-width:600px){
  .pv-backdrop{padding:0}
  .pv-dialog{border-radius:0;padding:12px}
  .pv-hint{display:none}
  .topbar{padding:8px 16px}
  .nav{flex-direction:row;align-items:center;overflow-x:auto;padding-bottom:4px}
  .nav a,.nav-label,.nav-open{flex:none;width:auto;margin:0;white-space:nowrap}
  .main{padding:16px}
  .stage{padding:12px;min-height:420px}
  .drop{min-height:190px;padding:20px}
  .drop strong{font-size:22px}
}

@media print{
  @page{margin:12mm}
  .no-print{display:none!important}
  body{background:#fff}
  .shell{display:block;max-width:none}
  .main{display:block;max-width:none;padding:0}
  .split,.viewer-col{display:block}
  .stage{display:block;padding:0;background:none;overflow:visible;min-height:0;border-radius:0}
  .stage-inner{zoom:1!important}
  .sheet-table{font-size:11pt}
  .sheet-table tr{break-inside:avoid}
  .docx-host section.docx{margin:0;box-shadow:none;break-after:page}
}