/* Soft Learn Hub tool suite: Background Remover, UTM Builder, Schema Markup Generator. Same design tokens as the Invoice Generator (#slh-inv). Excluded from LiteSpeed CSS optimisation because most states are toggled by JS. */
.slh-suite{--i-surface:#EEEDF5;--i-sheet:#fff;--i-ink:#111;--i-text:#3b3b45;--i-muted:#62626E;--i-line:#E4E2EE;--i-field:#fff;--i-field-line:#8E8C9E;--i-hover:#F3F3F9;--i-accent:#5A65DA;--i-accent-ink:#fff;--i-accent-soft:#ECEDFB;--i-danger:#B42318;--i-danger-soft:#FEF3F2;--i-warn:#A4540A;--i-warn-soft:#FDF1E4;--i-ok:#1E7F52;--i-ok-soft:#E7F5EE;--i-code:#16171F;--i-shadow:0 1px 3px rgba(17,17,17,.06),0 12px 32px rgba(17,17,17,.06);
  position:relative;margin:24px 0 8px;padding:16px;border-radius:24px;background:var(--i-surface);color:var(--i-text);font-size:16px;line-height:1.5;color-scheme:light}
.slh-suite[data-theme=dark]{--i-surface:#101118;--i-sheet:#1B1C25;--i-ink:#F2F2F7;--i-text:#D4D4DE;--i-muted:#A3A3B2;--i-line:#2E3040;--i-field:#22242F;--i-field-line:#5C5F74;--i-hover:#262837;--i-accent:#8F97F0;--i-accent-ink:#0D0E14;--i-accent-soft:#272A45;--i-danger:#FF9B8F;--i-danger-soft:#3A1F1C;--i-warn:#F5B971;--i-warn-soft:#3A2A14;--i-ok:#6FD3A5;--i-ok-soft:#173327;--i-code:#0B0C11;--i-shadow:0 1px 3px rgba(0,0,0,.4);color-scheme:dark}
.slh-suite *,.slh-suite *::before,.slh-suite *::after{box-sizing:border-box}
.slh-suite [hidden]{display:none!important}
.slh-suite svg{width:18px;height:18px;flex:0 0 auto}
.slh-suite .st-vh{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.slh-suite p{margin:0}
.slh-suite input,.slh-suite textarea,.slh-suite select,.slh-suite button{font:inherit;font-size:16px;line-height:1.4;color:var(--i-ink);margin:0;text-transform:none;box-shadow:none}
.slh-suite input:not([type=checkbox]):not([type=radio]):not([type=color]):not([type=range]):not([type=file]),.slh-suite textarea,.slh-suite select{display:block;width:100%;height:auto;min-height:44px;padding:9px 12px;border:1px solid var(--i-line);border-radius:10px;background:var(--i-field);transition:border-color .15s}
.slh-suite textarea{min-height:84px;resize:vertical}
.slh-suite input:hover,.slh-suite textarea:hover,.slh-suite select:hover{border-color:var(--i-field-line)}
.slh-suite input:focus,.slh-suite textarea:focus,.slh-suite select:focus{outline:2px solid var(--i-accent);outline-offset:1px;border-color:var(--i-accent)}
.slh-suite ::placeholder{color:var(--i-muted);opacity:1}
.slh-suite [aria-invalid=true]{border-color:var(--i-danger)!important;background:var(--i-danger-soft)!important}
.slh-suite button{cursor:pointer}
.slh-suite button:focus-visible,.slh-suite a:focus-visible,.slh-suite [tabindex]:focus-visible{outline:3px solid var(--i-accent);outline-offset:2px}
.slh-suite .st-card{min-width:0;padding:clamp(18px,2.6vw,32px);border-radius:18px;background:var(--i-sheet);box-shadow:var(--i-shadow)}
.slh-suite .st-bar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin:0 0 14px}
.slh-suite .st-bar-note{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--i-muted)}
.slh-suite .st-btn,.slh-suite .st-icon,.slh-suite a.st-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 16px;border:1px solid var(--i-line);border-radius:999px;background:var(--i-sheet);color:var(--i-ink);font-size:15px;font-weight:500;line-height:1.2;text-decoration:none;transition:border-color .15s,color .15s,background-color .15s}
.slh-suite .st-btn:hover,.slh-suite .st-icon:hover{border-color:var(--i-accent);color:var(--i-accent);background:var(--i-sheet)}
.slh-suite .st-btn[disabled],.slh-suite .st-btn[aria-disabled=true]{opacity:.45;pointer-events:none}
.slh-suite .st-icon{width:44px;padding:0}
.slh-suite .st-icon[aria-pressed=true]{background:var(--i-accent);border-color:var(--i-accent);color:var(--i-accent-ink)}
.slh-suite .st-primary,.slh-suite label.st-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;margin:0;padding:10px 22px;border:0;border-radius:999px;background:var(--i-accent);color:var(--i-accent-ink);font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;transition:filter .15s,transform .15s}
.slh-suite .st-primary:hover{filter:brightness(1.08);background:var(--i-accent);color:var(--i-accent-ink)}
.slh-suite .st-primary:active{transform:scale(.98)}
.slh-suite .st-primary[disabled]{opacity:.45;cursor:not-allowed;filter:none;transform:none}
.slh-suite .st-primary.is-done{background:var(--i-ok);color:#fff}
.slh-suite .st-link{display:inline-flex;align-items:center;min-height:36px;padding:4px 8px;border:0;border-radius:8px;background:none;color:var(--i-accent);font-size:15px;font-weight:600}
.slh-suite .st-link:hover{background:var(--i-accent-soft);color:var(--i-accent)}
.slh-suite .st-wide{width:100%}
.slh-suite .st-label{display:block;margin:0 0 6px;font-size:14px;font-weight:600;color:var(--i-ink)}
.slh-suite .st-help{margin:6px 0 0;font-size:13px;line-height:1.45;color:var(--i-muted)}
.slh-suite .st-err{margin:6px 0 0;font-size:13px;line-height:1.4;color:var(--i-danger)}
.slh-suite .st-req{color:var(--i-danger)}
.slh-suite .st-field{margin:0 0 16px}
.slh-suite .st-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}
.slh-suite .st-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.slh-suite .st-chip{display:inline-flex;align-items:center;min-height:36px;padding:4px 12px;border:1px solid var(--i-line);border-radius:999px;background:var(--i-sheet);color:var(--i-ink);font-size:14px;font-weight:500;transition:border-color .15s,background-color .15s,color .15s}
.slh-suite .st-chip:hover,.slh-suite .st-chip.is-active{border-color:var(--i-accent);background:var(--i-accent-soft);color:var(--i-accent)}
.slh-suite .st-seg{display:flex;flex-wrap:wrap;gap:6px}
.slh-suite .st-seg button{min-height:40px;padding:6px 14px;border:1px solid var(--i-line);border-radius:999px;background:var(--i-sheet);color:var(--i-ink);font-size:14px;font-weight:600}
.slh-suite .st-seg button[aria-pressed=true]{border-color:var(--i-accent);background:var(--i-accent);color:var(--i-accent-ink)}
.slh-suite .st-code{margin:0;padding:18px;max-height:460px;overflow:auto;border-radius:14px;background:var(--i-code);color:#E6E6EF;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-word}
.slh-suite .st-code .k{color:#9CC4FF}.slh-suite .st-code .s{color:#A6E3A1}.slh-suite .st-code .n{color:#F9C97C}.slh-suite .st-code .b{color:#F5A3C7}.slh-suite .st-code .t{color:#8B8FA7}
.slh-suite .st-msgs{display:flex;flex-direction:column;gap:6px;margin:12px 0 0;padding:0;list-style:none}
.slh-suite .st-msgs li{margin:0;padding:8px 12px;border-radius:10px;font-size:14px;line-height:1.45}
.slh-suite .st-msgs li::before{content:none}
.slh-suite .st-msgs .is-err{background:var(--i-danger-soft);color:var(--i-danger)}
.slh-suite .st-msgs .is-warn{background:var(--i-warn-soft);color:var(--i-warn)}
.slh-suite .st-msgs .is-ok{background:var(--i-ok-soft);color:var(--i-ok)}
.slh-suite .st-msgs .is-info{background:var(--i-accent-soft);color:var(--i-ink)}
.slh-suite .st-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.slh-suite .st-check{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--i-text);cursor:pointer}
.slh-suite .st-check input{width:18px;height:18px;accent-color:var(--i-accent)}

/* Background remover */
#slh-tool .slh-drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:280px;padding:28px 20px;border:2px dashed var(--i-line);border-radius:16px;background:var(--i-hover);text-align:center;transition:border-color .2s,background-color .2s}
#slh-tool .slh-drop.slh-drag{border-color:var(--i-accent);background:var(--i-accent-soft)}
#slh-tool .slh-drop-icon{width:44px;height:44px;color:var(--i-accent)}
#slh-tool .slh-drop-title{font-size:17px;font-weight:600;color:var(--i-ink)}
#slh-tool .slh-hint{font-size:14px;color:var(--i-muted)}
#slh-tool #slh-file:focus-visible + .slh-drop-title + label,#slh-tool #slh-file:focus-visible ~ label.st-primary{outline:3px solid var(--i-accent);outline-offset:3px}
#slh-tool .slh-progress{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:280px;padding:24px}
#slh-tool .slh-bar{width:min(420px,100%);height:8px;overflow:hidden;border-radius:8px;background:var(--i-accent-soft)}
#slh-tool .slh-bar-fill{width:0;height:100%;border-radius:inherit;background:var(--i-accent);transition:width .3s}
#slh-tool .slh-status{font-size:15px;color:var(--i-ink);font-variant-numeric:tabular-nums}
#slh-tool .slh-status-sub{font-size:13px;color:var(--i-muted)}
#slh-tool .slh-result-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;align-items:start}
#slh-tool .slh-compare-slider{position:relative;width:100%;max-height:72vh;overflow:hidden;border-radius:14px;background-color:#fff;background-image:linear-gradient(45deg,#E7E6EE 25%,transparent 25%),linear-gradient(-45deg,#E7E6EE 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#E7E6EE 75%),linear-gradient(-45deg,transparent 75%,#E7E6EE 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;touch-action:none;user-select:none;cursor:ew-resize}
#slh-tool .slh-cs-original,#slh-tool .slh-cs-result{position:absolute;inset:0}
#slh-tool .slh-cs-original img,#slh-tool .slh-cs-result img{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}
#slh-tool .slh-cs-original{clip-path:none;background:#fff}
#slh-tool .slh-cs-result{background-color:#fff;background-image:linear-gradient(45deg,#E7E6EE 25%,transparent 25%),linear-gradient(-45deg,#E7E6EE 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#E7E6EE 75%),linear-gradient(-45deg,transparent 75%,#E7E6EE 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}
#slh-tool .slh-cs-handle{position:absolute;top:0;bottom:0;left:50%;width:44px;margin-left:-22px;display:flex;justify-content:center;cursor:ew-resize;z-index:2}
#slh-tool .slh-cs-handle-line{width:2px;height:100%;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.25)}
#slh-tool .slh-cs-handle-grip{position:absolute;top:50%;left:50%;width:36px;height:36px;margin:-18px 0 0 -18px;border-radius:50%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.3)}
#slh-tool .slh-cs-handle-grip::before{content:"\2039\00a0\203a";position:absolute;inset:0;display:grid;place-items:center;color:#333;font-size:18px;font-weight:700;line-height:1}
#slh-tool .slh-cs-label{position:absolute;top:12px;z-index:1;padding:3px 10px;border-radius:999px;background:rgba(17,17,17,.6);color:#fff;font-size:12px;font-weight:600}
#slh-tool .slh-cs-label-left{left:12px}#slh-tool .slh-cs-label-right{right:12px}
#slh-tool .slh-side{display:flex;flex-direction:column;gap:14px}
#slh-tool .slh-bgs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
#slh-tool .slh-bg{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:6px 10px;border:1px solid var(--i-line);border-radius:12px;background:var(--i-sheet);color:var(--i-ink);font-size:14px;font-weight:600;cursor:pointer}
#slh-tool .slh-bg[aria-pressed=true]{border-color:var(--i-accent);background:var(--i-accent-soft);color:var(--i-accent)}
#slh-tool .slh-bg i{display:inline-block;width:16px;height:16px;border:1px solid rgba(0,0,0,.2);border-radius:4px}
#slh-tool .slh-bg-color input{width:26px;height:22px;padding:0;border:0;background:none;cursor:pointer}
#slh-tool .slh-meta{font-size:13px;color:var(--i-muted);font-variant-numeric:tabular-nums}
#slh-tool .slh-error{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--i-danger-soft);color:var(--i-danger);font-size:14px}
#slh-tool .slh-touchup-hint{margin:0 0 12px;font-size:14px;color:var(--i-text)}
#slh-tool .slh-touchup-canvas-wrap{max-height:70vh;overflow:auto;border-radius:14px;background-color:#fff;background-image:linear-gradient(45deg,#E7E6EE 25%,transparent 25%),linear-gradient(-45deg,#E7E6EE 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#E7E6EE 75%),linear-gradient(-45deg,transparent 75%,#E7E6EE 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}
#slh-tool #slh-touchup-canvas{display:block;width:100%;height:auto;touch-action:none;cursor:crosshair}
#slh-tool .slh-touchup-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px}
#slh-tool .slh-touchup-size-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--i-text)}
#slh-tool .slh-touchup-size-label input{width:140px;accent-color:var(--i-accent)}
/* Batch: thumbnail strip under the preview (2+ photos only) */
#slh-tool .slh-preview{min-width:0}
#slh-tool .slh-batch{margin-top:12px}
#slh-tool .slh-thumbs{display:flex;gap:8px;margin:6px -4px 0;padding:4px;overflow-x:auto;scrollbar-width:none}
#slh-tool .slh-thumbs::-webkit-scrollbar{display:none}
#slh-tool .slh-thumb{position:relative;display:grid;place-items:center;flex:0 0 auto;width:56px;height:56px;padding:0;overflow:hidden;border:1px solid var(--i-line);border-radius:12px;background:var(--i-hover);color:var(--i-muted);font-size:13px;font-weight:600;cursor:pointer;transition:border-color .15s,box-shadow .15s}
#slh-tool .slh-thumb:hover{border-color:var(--i-accent)}
#slh-tool .slh-thumb:focus-visible{outline-offset:1px}
#slh-tool .slh-thumb[aria-current=true]{border-color:var(--i-accent);box-shadow:0 0 0 2px var(--i-accent)}
#slh-tool .slh-thumb img{display:block;width:100%;height:100%;object-fit:contain;background:repeating-conic-gradient(#ccc 0 25%,#fff 0 50%) 0 0/8px 8px}
#slh-tool .slh-thumb.is-work span{visibility:hidden}
#slh-tool .slh-thumb.is-work::after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid var(--i-accent-soft);border-top-color:var(--i-accent);border-radius:50%;animation:slh-spin .8s linear infinite}
#slh-tool .slh-thumb.is-err{border-color:var(--i-danger);background:var(--i-danger-soft);color:var(--i-danger);font-size:16px}
@keyframes slh-spin{to{transform:rotate(360deg)}}

/* UTM builder */
#slh-utm .slh-utm-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:16px;align-items:start}
#slh-utm .slh-utm-out-card{position:sticky;top:110px}
#slh-utm .slh-utm-output{display:block;min-height:88px;padding:14px;border:1px solid var(--i-line);border-radius:12px;background:var(--i-hover);color:var(--i-ink);font:14px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere}
#slh-utm .slh-utm-output.is-empty{font-family:inherit;color:var(--i-muted)}
#slh-utm .slh-utm-params{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 12px;margin:14px 0 0;font-size:14px}
#slh-utm .slh-utm-params dt{margin:0;font:600 13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--i-muted)}
#slh-utm .slh-utm-params dd{margin:0;color:var(--i-ink);overflow-wrap:anywhere}
#slh-utm .slh-utm-qr{display:flex;align-items:center;gap:14px;margin-top:14px;padding:12px;border:1px solid var(--i-line);border-radius:14px}
#slh-utm .slh-utm-qr img{width:120px;height:120px;border-radius:8px;background:#fff}
#slh-utm .slh-utm-history{margin-top:18px;padding-top:14px;border-top:1px solid var(--i-line)}
#slh-utm .slh-utm-history-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
#slh-utm .slh-utm-history ul{display:flex;flex-direction:column;gap:6px;margin:0;padding:0;list-style:none}
#slh-utm .slh-utm-history li{display:flex;align-items:center;gap:8px;margin:0;padding:8px 10px;border:1px solid var(--i-line);border-radius:10px}
#slh-utm .slh-utm-history li::before{content:none}
#slh-utm .slh-utm-history li span{flex:1;min-width:0;overflow:hidden;font-size:13px;color:var(--i-text);white-space:nowrap;text-overflow:ellipsis}
#slh-utm .slh-utm-history li button{min-height:32px;padding:2px 10px;border:1px solid var(--i-line);border-radius:999px;background:var(--i-sheet);color:var(--i-ink);font-size:13px}
#slh-utm .slh-utm-history li button:hover{border-color:var(--i-accent);color:var(--i-accent)}
#slh-utm .slh-presets{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
#slh-utm .slh-presets .st-label{margin:0 4px 0 0}

/* Schema generator */
#slh-schema .slh-sg-types{display:flex;flex-wrap:wrap;gap:6px;flex:1 1 auto;min-width:0}
#slh-schema .slh-sg-types button{flex:0 0 auto;min-height:40px;padding:6px 14px;border:1px solid var(--i-line);border-radius:999px;background:var(--i-sheet);color:var(--i-ink);font-size:14px;font-weight:600;white-space:nowrap}
#slh-schema .slh-sg-types button[aria-pressed=true]{border-color:var(--i-accent);background:var(--i-accent);color:var(--i-accent-ink)}
#slh-schema .slh-sg-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;align-items:start}
#slh-schema .slh-sg-out{position:sticky;top:110px}
#slh-schema .slh-sg-note{margin:0 0 16px;padding:10px 14px;border-radius:12px;background:var(--i-accent-soft);font-size:14px;color:var(--i-ink)}
#slh-schema .slh-sg-rep{position:relative;margin:0 0 12px;padding:14px 14px 4px;border:1px solid var(--i-line);border-radius:14px}
#slh-schema .slh-sg-rep-x{position:absolute;top:8px;right:8px;min-height:32px;padding:2px 10px;border:0;border-radius:8px;background:none;color:var(--i-muted);font-size:13px}
#slh-schema .slh-sg-rep-x:hover{background:var(--i-danger-soft);color:var(--i-danger)}
#slh-schema .slh-sg-out-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}
#slh-schema .slh-sg-status{font-size:14px;font-weight:600}

@media (min-width:1180px){.slh-suite{width:min(1240px,calc(100vw - 80px));margin-left:calc(50% - min(620px,50vw - 40px))}}
@media (max-width:1100px){#slh-tool .slh-result-grid,#slh-utm .slh-utm-grid,#slh-schema .slh-sg-grid{grid-template-columns:1fr}#slh-utm .slh-utm-out-card,#slh-schema .slh-sg-out{position:static}}
@media (max-width:767px){.slh-suite{margin-left:-6px;margin-right:-6px;padding:10px;border-radius:18px}.slh-suite .st-grid-2{grid-template-columns:1fr}#slh-tool .slh-drop,#slh-tool .slh-progress{min-height:220px}.slh-suite .st-actions > *{flex:1 1 auto}}
@media (prefers-reduced-motion:reduce){.slh-suite *{transition:none!important}#slh-tool .slh-thumb.is-work::after{animation:none}}