:root{
  --bg:#f6f4ef;
  --panel:#ffffff;
  --panel-2:#f1efe7;
  --line:#e3ddd0;
  --accent:#bf0134;
  --accent-2:#ff5c3d;
  --text:#232220;
  --text-dim:#726f68;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, #fff8ec 0%, transparent 60%),
    var(--bg);
  color:var(--text);
  min-height:100vh;
  display:flex;
  justify-content:center;
  padding:32px 16px;
}
.stage{width:100%;max-width:1040px;}

/* ---- topbar (đồng bộ với các mini app) ---- */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.brand{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--text-dim);}
.brand-mark{
  font-family:'JetBrains Mono',monospace;
  background:var(--accent);
  color:#ffffff;
  font-weight:700;
  padding:3px 7px;
  border-radius:4px;
  font-size:16px;
  letter-spacing:0.5px;
}
.brand-sep{opacity:0.4;}
.brand-name{font-weight:500;}
.tool-tag{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:2px;
  color:var(--text-dim);
  border:1px solid var(--line);
  padding:4px 10px;
  border-radius:20px;
}

/* ---- header trang ---- */
.hero{margin-bottom:28px;}
.hero-title{font-size:36px;font-weight:700;margin:0 0 8px;}
.hero-sub{font-size:16px;color:var(--text-dim);margin:0;max-width:560px;line-height:1.6;}

/* ---- lưới ứng dụng ---- */
.app-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(230px, 1fr));
  gap:16px;
}

.app-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:14px;
  text-decoration:none;
  color:inherit;
  box-shadow:0 14px 34px -26px rgba(60,50,30,0.2);
  transition:border-color .15s, transform .15s, box-shadow .15s;
}
.app-card:hover{
  border-color:var(--accent);
  transform:translateY(-2px);
  box-shadow:0 18px 40px -22px rgba(191,1,52,0.22);
}
.app-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

.app-icon{
  width:46px;height:46px;border-radius:12px;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}

.app-body{flex:1;}
.app-name{font-size:16px;font-weight:600;margin:0 0 4px;}
.app-desc{font-size:13px;color:var(--text-dim);margin:0;line-height:1.5;}

.app-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-family:'JetBrains Mono',monospace;font-size:11px;
  color:var(--text-dim);letter-spacing:0.5px;
}
.app-arrow{color:var(--text-dim);transition:transform .15s, color .15s;}
.app-card:hover .app-arrow{color:var(--accent);transform:translate(2px,-2px);}

/* ---- thẻ sắp ra mắt ---- */
.app-card.soon{
  cursor:default;
  border-style:dashed;
  box-shadow:none;
}
.app-card.soon:hover{transform:none;border-color:var(--line);box-shadow:none;}
.app-card.soon .app-icon{background:var(--panel-2);color:var(--text-dim);}
.app-card.soon .app-name,.app-card.soon .app-desc{color:var(--text-dim);}

.foot{text-align:center;color:var(--text-dim);font-size:12px;margin-top:24px;}

@media (max-width:560px){
  .app-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:400px){
  .app-grid{grid-template-columns:1fr;}
}


/* text-tools: styles scoped to this tool page */
@scope (body.text-tools-page) {
body.text-tools-page{--bg:#f6f4ef;--panel:#fff;--panel-2:#f1efe7;--line:#e3ddd0;--accent:#bf0134;--text:#232220;--text-dim:#726f68;--add:#e9f7ed;--remove:#fff0f1}*{box-sizing:border-box}body{margin:0;padding:32px 16px;min-height:100vh;display:flex;justify-content:center;color:var(--text);font-family:Inter,sans-serif;background:radial-gradient(ellipse 900px 500px at 50% -10%,#fff8ec 0%,transparent 60%),var(--bg)}.stage{width:100%;max-width:960px}.topbar,.work-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.topbar{margin-bottom:20px;flex-wrap:wrap}.brand,.top-actions{display:flex;align-items:center;gap:8px}.brand{font-size:14px;color:var(--text-dim)}.brand-mark{font:700 16px 'JetBrains Mono',monospace;letter-spacing:.5px;background:var(--accent);color:#fff;padding:3px 7px;border-radius:4px}.brand-sep{opacity:.4}.brand-name{font-weight:500}.top-actions{gap:12px}.home-link{font-size:13px;color:var(--text-dim);text-decoration:none;border-bottom:1px solid var(--line);white-space:nowrap}.home-link:hover{color:var(--accent);border-color:var(--accent)}.tool-tag,.eyebrow{font:12px 'JetBrains Mono',monospace;letter-spacing:2px;color:var(--text-dim)}.tool-tag{border:1px solid var(--line);padding:4px 10px;border-radius:20px}.console{padding:30px;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 50px -24px rgba(60,50,30,.18),inset 0 1px 0 rgba(255,255,255,.6)}h1{font-size:32px;margin:0 0 7px}h2{font-size:22px;margin:4px 0 6px}.intro p,.work-head p{margin:0;color:var(--text-dim);font-size:14px;line-height:1.5}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.tool-card{min-height:116px;text-align:left;border:1px solid var(--line);border-radius:11px;padding:14px;background:var(--panel);color:var(--text);cursor:pointer;transition:.15s}.tool-card:hover,.tool-card.active{border-color:var(--accent);box-shadow:0 8px 20px -17px rgba(191,1,52,.8)}.tool-card.active{background:#fff8f8}.tool-card .icon{width:28px;height:28px;border-radius:7px;margin-bottom:10px;display:flex;align-items:center;justify-content:center;background:var(--panel-2);color:var(--accent);font:bold 17px 'JetBrains Mono',monospace}.tool-card b,.tool-card small{display:block}.tool-card b{font-size:14px;margin-bottom:4px}.tool-card small{font-size:11px;line-height:1.35;color:var(--text-dim)}.workbench{padding-top:25px;border-top:1px solid var(--line)}.work-head{margin-bottom:18px}.eyebrow{margin:0!important;font-size:10px!important}.text-area{width:100%;min-height:230px;resize:vertical;border:1px solid var(--line);border-radius:10px;padding:14px;font:14px/1.6 Inter,sans-serif;color:var(--text);background:#fff}.text-area:focus{outline:2px solid var(--accent);outline-offset:1px}.text-area::placeholder{color:var(--text-dim)}.action-row{display:flex;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap}.btn-primary,.btn-ghost{border-radius:8px;font:600 14px Inter,sans-serif;cursor:pointer}.btn-primary{border:0;background:var(--accent);color:#fff;padding:12px 20px}.btn-primary:hover{filter:brightness(1.08)}.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--line);padding:9px 13px;font-size:12px}.btn-ghost:hover{color:var(--accent);border-color:var(--accent)}.result-area{margin-top:20px}.result-title{font-size:13px;font-weight:600;margin:0 0 10px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.metric{padding:15px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px}.metric-number{display:block;font:700 23px 'JetBrains Mono',monospace;color:var(--accent)}.metric-label{display:block;margin-top:5px;font-size:11px;color:var(--text-dim)}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field-label{display:block;font-size:13px;font-weight:600;margin:0 0 8px}.diff-summary{font-size:13px;color:var(--text-dim);margin:0 0 10px}.diff-output{border:1px solid var(--line);border-radius:10px;overflow:hidden}.diff-row{display:grid;grid-template-columns:28px 1fr;gap:8px;padding:9px 12px;border-bottom:1px solid var(--line);font:12px/1.55 'JetBrains Mono',monospace;white-space:pre-wrap;word-break:break-word}.diff-row:last-child{border:0}.diff-row.add{background:var(--add)}.diff-row.remove{background:var(--remove)}.diff-sign{font-weight:700;color:var(--text-dim)}.empty{padding:18px;color:var(--text-dim);font-size:13px;text-align:center}.check-row{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;cursor:pointer}.output-wrap{position:relative}.copy-btn{position:absolute;right:10px;top:10px}.clean-output{min-height:230px;background:var(--panel-2)}.status{font-size:13px;color:var(--text-dim)}.foot{text-align:center;color:var(--text-dim);font-size:12px;margin-top:16px}@media(max-width:620px){body{padding:20px 12px}.console{padding:20px 16px}.tool-grid{grid-template-columns:1fr}.compare-grid{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.work-head{align-items:flex-start}}

}


/* qr-generator: styles scoped to this tool page */
@scope (body.qr-generator-page) {
body.qr-generator-page{
  --bg:#f6f4ef;
  --panel:#ffffff;
  --panel-2:#f1efe7;
  --line:#e3ddd0;
  --accent:#bf0134;
  --accent-2:#ff5c3d;
  --text:#232220;
  --text-dim:#726f68;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, #fff8ec 0%, transparent 60%),
    var(--bg);
  color:var(--text);
  min-height:100vh;
  display:flex;
  justify-content:center;
  padding:32px 16px;
}
.stage{width:100%;max-width:960px;}

/* ---- topbar (đồng bộ với app cắt nhạc) ---- */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.brand{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--text-dim);}
.brand-mark{
  font-family:'JetBrains Mono',monospace;
  background:var(--accent);
  color:#ffffff;
  font-weight:700;
  padding:3px 7px;
  border-radius:4px;
  font-size:16px;
  letter-spacing:0.5px;
}
.brand-sep{opacity:0.4;}
.brand-name{font-weight:500;}
.tool-tag{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:2px;
  color:var(--text-dim);
  border:1px solid var(--line);
  padding:4px 10px;
  border-radius:20px;
}
.top-actions{display:flex;align-items:center;gap:12px;}
.home-link{font-size:13px;color:var(--text-dim);text-decoration:none;border-bottom:1px solid var(--line);white-space:nowrap;}
.home-link:hover{color:var(--accent);border-color:var(--accent);}

.console{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:32px;
  box-shadow:0 20px 50px -24px rgba(60,50,30,0.18), inset 0 1px 0 rgba(255,255,255,0.6);
}

/* ---- layout 2 cột ---- */
.qr-grid{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start;}

.page-title{font-size:30px;font-weight:700;margin:0 0 22px;}

.field-label{display:block;font-size:14px;color:var(--text);margin-bottom:8px;font-weight:500;}
.text-input{
  width:100%;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:10px;
  padding:14px 16px;
  font-family:'Inter',sans-serif;
  font-size:15px;
  color:var(--text);
}
.text-input::placeholder{color:var(--text-dim);}
.text-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px;}

.generate-btn{margin-top:14px;width:100%;}

/* ---- khối tùy chỉnh (thu gọn được) ---- */
.toggle-row{
  display:flex;align-items:center;gap:8px;
  background:none;border:none;cursor:pointer;
  font-family:inherit;font-size:14px;font-weight:500;color:var(--text);
  padding:22px 0 12px;
}
.toggle-row .chev{
  display:inline-flex;transition:transform .15s;color:var(--text-dim);
}
.toggle-row.collapsed .chev{transform:rotate(-90deg);}

.customize-box{
  border:1.5px dashed var(--line);
  border-radius:12px;
  padding:22px;
  background:var(--panel-2);
}
.customize-box.hidden{display:none;}

.group-label{font-size:13px;color:var(--text-dim);margin:0 0 10px;font-weight:500;}
.group-label:not(:first-child){margin-top:20px;}

/* ---- màu sắc ---- */
.swatch-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.swatch{
  width:38px;height:38px;border-radius:50%;border:none;cursor:pointer;
  position:relative;flex-shrink:0;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,0.08);
}
.swatch.active{box-shadow:0 0 0 2px var(--panel-2), 0 0 0 4px var(--accent);}
.swatch-custom{
  background:var(--panel);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);
}
.swatch-custom input[type=color]{
  position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;border:none;padding:0;
}

/* ---- checkbox ---- */
.check-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);cursor:pointer;user-select:none;}
.check-row input[type=checkbox]{
  appearance:none;-webkit-appearance:none;width:20px;height:20px;border-radius:5px;
  border:1.5px solid var(--line);background:var(--panel);cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.check-row input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent);}
.check-row input[type=checkbox]:checked::after{
  content:'';width:5px;height:9px;border:solid #ffffff;border-width:0 2px 2px 0;
  transform:rotate(45deg) translate(-1px,-1px);
}

.logo-block{margin-top:16px;}
.logo-block.disabled{opacity:0.45;pointer-events:none;}

/* ---- lựa chọn biểu tượng logo ---- */
.logo-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;}
.logo-btn{
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  background:#15151a;color:#fff;display:flex;align-items:center;justify-content:center;
  position:relative;flex-shrink:0;
}
.logo-btn.active{box-shadow:0 0 0 2px var(--panel-2), 0 0 0 4px var(--accent);}
.logo-btn.logo-none{background:var(--panel);color:var(--text-dim);border:1.5px dashed var(--line);}
.logo-btn.logo-custom{background:var(--panel-2);border:1.5px solid var(--line);color:var(--text-dim);overflow:hidden;}
.logo-btn.logo-custom img{width:100%;height:100%;object-fit:cover;border-radius:50%;}

.upload-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  padding:10px 16px;border-radius:8px;font-family:inherit;font-weight:600;font-size:13px;cursor:pointer;
}
.upload-btn:hover{border-color:var(--accent);color:var(--accent);}

/* ---- khối xem trước QR ---- */
.qr-preview-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px;
  display:flex;flex-direction:column;align-items:center;gap:18px;
}
.qr-canvas-wrap{
  position:relative;width:100%;aspect-ratio:1/1;background:#fff;border-radius:10px;
  overflow:hidden;border:1px solid var(--line);
}
#qrCanvas{position:absolute;inset:0;width:100%;height:100%;display:block;}
.qr-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text-dim);text-align:center;padding:0 20px;}
.qr-empty.hidden{display:none;}

.qr-actions{display:flex;flex-direction:column;gap:10px;width:100%;}
.btn-primary{
  background:var(--accent);color:#ffffff;border:none;padding:12px 20px;
  border-radius:8px;font-family:inherit;font-weight:600;font-size:14px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.btn-primary:hover{filter:brightness(1.08);}
.btn-primary:disabled{opacity:0.5;cursor:not-allowed;}
.btn-primary:focus-visible{outline:2px solid #232220;outline-offset:2px;}

.btn-ghost{
  background:transparent;border:1px solid var(--line);color:var(--text-dim);
  padding:11px 20px;border-radius:8px;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-ghost:disabled{opacity:0.5;cursor:not-allowed;}
.btn-ghost:disabled:hover{border-color:var(--line);color:var(--text-dim);}

.foot{text-align:center;color:var(--text-dim);font-size:12px;margin-top:16px;}

@media (max-width:760px){
  .qr-grid{grid-template-columns:1fr;}
  .console{padding:20px;}
  .qr-preview-panel{max-width:320px;margin:0 auto;}
}

}


/* pdf-tools: styles scoped to this tool page */
@scope (body.pdf-tools-page) {
body.pdf-tools-page{--bg:#f6f4ef;--panel:#fff;--panel-2:#f1efe7;--line:#e3ddd0;--accent:#bf0134;--text:#232220;--text-dim:#726f68}
*{box-sizing:border-box}body{margin:0;padding:32px 16px;min-height:100vh;display:flex;justify-content:center;color:var(--text);font-family:Inter,sans-serif;background:radial-gradient(ellipse 900px 500px at 50% -10%,#fff8ec 0%,transparent 60%),var(--bg)}.stage{width:100%;max-width:1080px}.topbar,.intro,.work-head,.action-row,.file-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.topbar{margin-bottom:20px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--text-dim)}.brand-mark{font:700 16px 'JetBrains Mono',monospace;letter-spacing:.5px;background:var(--accent);color:#fff;padding:3px 7px;border-radius:4px}.brand-sep{opacity:.4}.brand-name{font-weight:500}.tool-tag,.eyebrow{font:12px 'JetBrains Mono',monospace;letter-spacing:2px;color:var(--text-dim)}.tool-tag{border:1px solid var(--line);padding:4px 10px;border-radius:20px}.console{padding:30px;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 50px -24px rgba(60,50,30,.18),inset 0 1px 0 rgba(255,255,255,.6)}h1{margin:0 0 7px;font-size:32px}h2{font-size:22px;margin:4px 0 6px}.intro p,.work-head p{margin:0;color:var(--text-dim);font-size:14px;line-height:1.5}.back-link{font-size:13px;color:var(--text-dim);text-decoration:none;border-bottom:1px solid var(--line);white-space:nowrap}.back-link:hover{color:var(--accent);border-color:var(--accent)}.tool-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:28px 0}.tool-card{min-height:116px;text-align:left;border:1px solid var(--line);border-radius:11px;padding:13px;background:var(--panel);color:var(--text);cursor:pointer;transition:.15s}.tool-card:hover,.tool-card.active{border-color:var(--accent);box-shadow:0 8px 20px -17px rgba(191,1,52,.8)}.tool-card.active{background:#fff8f8}.tool-card .icon{width:27px;height:27px;border-radius:7px;margin-bottom:10px;display:flex;align-items:center;justify-content:center;background:var(--panel-2);color:var(--accent);font:bold 17px 'JetBrains Mono',monospace}.tool-card b,.tool-card small{display:block}.tool-card b{font-size:13px;margin-bottom:4px}.tool-card small{font-size:11px;line-height:1.35;color:var(--text-dim)}.workbench{padding-top:25px;border-top:1px solid var(--line)}.work-head{margin-bottom:18px}.eyebrow{margin:0!important;font-size:10px!important}.btn-primary,.btn-ghost,.remove-btn{border-radius:8px;font:600 14px Inter,sans-serif;cursor:pointer}.btn-primary{border:0;background:var(--accent);color:#fff;padding:12px 20px}.btn-primary:hover{filter:brightness(1.08)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--line);padding:8px 12px;font-size:12px}.btn-ghost:hover{color:var(--accent);border-color:var(--accent)}.dropzone{min-height:176px;padding:30px 20px;border:2px dashed var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;cursor:pointer;color:var(--text-dim);transition:.15s}.dropzone.drag{border-color:var(--accent);background:rgba(191,1,52,.06)}.upload-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--panel-2);color:var(--accent);font:bold 25px Arial;margin-bottom:10px}.drop-title{color:var(--text);font-size:16px;font-weight:600}.drop-sub{font-size:12px;margin-top:5px}.file-list{margin-top:16px;border:1px solid var(--line);border-radius:10px;overflow:hidden}.file-row{padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px}.file-row:last-child{border:0}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-meta{font:11px 'JetBrains Mono',monospace;color:var(--text-dim);margin-left:auto}.remove-btn{border:0;background:transparent;color:var(--text-dim);font-size:18px;padding:0 3px}.remove-btn:hover{color:var(--accent)}.options{margin-top:16px;padding:17px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line)}.option-title{font-size:13px;font-weight:600;margin:0 0 10px}.field-label{display:block;color:var(--text-dim);font-size:12px;margin:12px 0 6px}.text-input,.select-input{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:7px;color:var(--text);font:14px Inter,sans-serif;background:#fff}.hint{font-size:11px;color:var(--text-dim);line-height:1.45;margin:8px 0 0}.check-row{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:10px}.action-row{margin-top:18px;justify-content:flex-start}.status{font-size:13px;color:var(--text-dim)}.downloads{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.download-btn{padding:10px 14px;text-decoration:none;border:1px solid var(--accent);color:var(--accent);border-radius:8px;background:#fff;font-size:13px;font-weight:600}.download-btn:hover{background:rgba(191,1,52,.06)}.hidden{display:none!important}.foot{text-align:center;color:var(--text-dim);font-size:12px;margin-top:16px}@media(max-width:800px){.tool-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:540px){body{padding:20px 12px}.console{padding:20px 16px}.intro{align-items:flex-start}.tool-grid{grid-template-columns:repeat(2,1fr)}.tool-card{min-height:106px}.work-head{align-items:flex-start}.file-meta{display:none}}
.preview-area{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:14px}
.preview-card{position:relative;min-width:0;padding:9px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;transition:opacity .15s,border-color .15s,box-shadow .15s}
.preview-image{height:162px;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:6px;background:#d9d5cc;transition:transform .2s}
.preview-image canvas{display:block;max-width:100%;max-height:100%;box-shadow:0 2px 8px rgba(20,16,10,.16)}
.preview-caption{margin:8px 1px 0;font-size:11px;line-height:1.35;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.merge-preview-card{cursor:grab}.merge-preview-card.dragging{opacity:.42}.merge-preview-card.drag-over{border-color:var(--accent);box-shadow:0 0 0 2px rgba(191,1,52,.14)}
.preview-action{position:absolute;z-index:2;top:14px;right:14px;width:28px;height:28px;border:0;border-radius:50%;background:var(--accent);color:#fff;font-size:18px;line-height:1;cursor:pointer;box-shadow:0 2px 7px rgba(60,20,25,.28)}
.preview-action:hover{filter:brightness(1.1)}.rotate-action{font-size:17px}.delete-action{font-size:22px;font-weight:300}
.preview-card.rotatable .preview-image{transform-origin:center}.preview-card.marked-delete{opacity:.45;border-color:var(--accent)}.preview-card.marked-delete .preview-image{filter:grayscale(1)}
@media(max-width:540px){.preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.preview-image{height:145px}}
.top-actions{display:flex;align-items:center;gap:12px}.home-link{font-size:13px;color:var(--text-dim);text-decoration:none;border-bottom:1px solid var(--line);white-space:nowrap}.home-link:hover{color:var(--accent);border-color:var(--accent)}
.preview-card.blank-page{border-style:dashed}.preview-card.blank-page .preview-image{background:linear-gradient(135deg,#fff 0%,#fbfaf7 100%);border:1px solid var(--line);color:var(--text-dim);font:11px 'JetBrains Mono',monospace;text-align:center;padding:12px}.preview-card.blank-page .preview-image::after{content:'TRANG\A TRỐNG';white-space:pre;line-height:1.6}
.security-actions{display:flex;gap:10px;align-items:center;margin-top:14px}.security-actions .btn-primary{padding:10px 14px}
.password-field{position:relative}.password-field .text-input{padding-right:42px}
.eye-toggle{position:absolute;top:50%;right:5px;transform:translateY(-50%);width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:0;background:transparent;color:var(--text-dim);border-radius:6px;cursor:pointer}
.eye-toggle svg{display:block}
.eye-toggle:hover{color:var(--accent);background:rgba(191,1,52,.06)}

}


/* mp3-cutter: styles scoped to this tool page */
@scope (body.mp3-cutter-page) {
body.mp3-cutter-page{
  --bg:#f6f4ef;
  --panel:#ffffff;
  --panel-2:#f1efe7;
  --line:#e3ddd0;
  --accent:#bf0134;
  --accent-2:#ff5c3d;
  --text:#232220;
  --text-dim:#726f68;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, #fff8ec 0%, transparent 60%),
    var(--bg);
  color:var(--text);
  min-height:100vh;
  display:flex;
  justify-content:center;
  padding:32px 16px;
}
.stage{width:100%;max-width:880px;}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:10px;}
.brand{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--text-dim);}
.brand-mark{
  font-family:'JetBrains Mono',monospace;
  background:var(--accent);
  color:#ffffff;
  font-weight:700;
  padding:3px 7px;
  border-radius:4px;
  font-size:16px;
  letter-spacing:0.5px;
}
.brand-sep{opacity:0.4;}
.brand-name{font-weight:500;}
.tool-tag{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  letter-spacing:2px;
  color:var(--text-dim);
  border:1px solid var(--line);
  padding:4px 10px;
  border-radius:20px;
}
.top-actions{display:flex;align-items:center;gap:12px;}
.home-link{font-size:13px;color:var(--text-dim);text-decoration:none;border-bottom:1px solid var(--line);white-space:nowrap;}
.home-link:hover{color:var(--accent);border-color:var(--accent);}
.console{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:28px;
  box-shadow:0 20px 50px -24px rgba(60,50,30,0.18), inset 0 1px 0 rgba(255,255,255,0.6);
}
.hidden{display:none !important;}

.dropzone{
  border:2px dashed var(--line);
  border-radius:12px;
  padding:64px 24px;
  text-align:center;
  color:var(--text-dim);
  cursor:pointer;
  transition:border-color .15s, background .15s;
}
.dropzone.drag{border-color:var(--accent); background:rgba(191,1,52,0.06);}
.drop-icon{color:var(--accent); margin-bottom:12px;}
.drop-title{font-size:18px;font-weight:600;color:var(--text);margin:0 0 6px;}
.drop-sub{font-size:13px;margin:0;}

.file-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:8px;}
.file-name{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--text-dim);word-break:break-all;}
.btn-ghost{
  background:transparent;border:1px solid var(--line);color:var(--text-dim);
  padding:6px 12px;border-radius:8px;font-family:inherit;font-size:12px;cursor:pointer;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}

.waveform-wrap{
  position:relative;
  height:160px;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  touch-action:none;
  margin-bottom:16px;
}
#waveform{width:100%;height:100%;display:block;}
.dim{position:absolute;top:0;bottom:0;background:rgba(255,255,255,0.72);pointer-events:none;}
.dim-left{left:0;}
.dim-right{right:0;}
.handle{
  position:absolute;top:0;bottom:0;width:14px;margin-left:-7px;
  cursor:ew-resize;display:flex;align-items:center;justify-content:center;
  touch-action:none;
}
.handle::before{
  content:'';position:absolute;top:0;bottom:0;left:50%;width:2px;
  background:var(--accent);transform:translateX(-50%);
}
.handle .grip{
  width:14px;height:26px;background:var(--accent);border-radius:4px;
  box-shadow:0 2px 8px rgba(191,1,52,0.4);
}
.playhead{
  position:absolute;top:0;bottom:0;width:2px;background:#232220;
  box-shadow:0 0 6px rgba(35,34,32,0.5);pointer-events:none;display:none;
}

.time-row{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap;}
.time-field{
  flex:1;min-width:120px;display:flex;flex-direction:column;gap:4px;
  font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.5px;
}
.mono-input, .mono-readout{
  font-family:'JetBrains Mono',monospace;font-size:16px;color:var(--text);
}
.mono-input{
  background:var(--panel-2);border:1px solid var(--line);border-radius:6px;
  padding:8px 10px;
}
.mono-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px;}

.transport{
  display:flex;align-items:center;gap:12px;margin-bottom:24px;
  padding:14px;background:var(--panel-2);border-radius:10px;border:1px solid var(--line);
}
.play-btn{
  width:44px;height:44px;border-radius:50%;border:none;background:var(--accent);
  color:#ffffff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.play-btn:hover{filter:brightness(1.1);}
.play-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.sep{color:var(--text-dim);}

.effects-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;margin-bottom:24px;
}
.effect-label{display:flex;justify-content:space-between;font-size:12px;color:var(--text-dim);margin-bottom:6px;}
.effect-val{font-family:'JetBrains Mono',monospace;color:var(--accent);}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:4px;background:var(--line);border-radius:2px;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent);
  cursor:pointer;box-shadow:0 2px 6px rgba(191,1,52,0.45);
}
input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:var(--accent);border:none;cursor:pointer;
}
input[type=range]:focus-visible{outline:2px solid var(--accent);outline-offset:4px;}

.export-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.btn-primary{
  background:var(--accent);color:#ffffff;border:none;padding:12px 24px;
  border-radius:8px;font-family:inherit;font-weight:600;font-size:14px;cursor:pointer;
}
.btn-primary:hover{filter:brightness(1.08);}
.btn-primary:disabled{opacity:0.5;cursor:not-allowed;}
.btn-primary:focus-visible{outline:2px solid #232220;outline-offset:2px;}
.status{font-size:13px;color:var(--text-dim);}
.downloads{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.download-btn{
  display:inline-block;background:var(--panel-2);border:1px solid var(--accent);color:var(--accent);
  padding:10px 16px;border-radius:8px;text-decoration:none;font-size:13px;font-weight:600;
}
.download-btn:hover{background:rgba(191,1,52,0.1);}

.foot{text-align:center;color:var(--text-dim);font-size:12px;margin-top:16px;}

@media (max-width:560px){
  .effects-grid{grid-template-columns:1fr;}
  .console{padding:18px;}
  .dropzone{padding:40px 16px;}
}

}