.tool-app.add-watermark-main *{box-sizing:border-box}
.tool-app.add-watermark-main{margin:0 auto;padding:4px 4px 2px}
.wm-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;grid-template-areas:"preview upload" "preview controls";gap:16px;align-items:start}
.wm-upload{grid-area:upload}
.wm-right{grid-area:preview;position:sticky;top:84px}
.wm-left{grid-area:controls;display:flex;flex-direction:column;gap:10px}
.panel{background:var(--zl-surface);border:1px solid var(--zl-line);border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:10px}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.tool-app .btn-compare{min-height:40px;padding:0 14px;font-size:14px}
.canvas-wrap{height:min(60vh,540px);min-height:280px;border-radius:14px;display:grid;place-items:center;overflow:hidden;background-color:var(--zl-surface-2);
  background-image:linear-gradient(45deg,var(--zl-tint) 25%,transparent 25%,transparent 75%,var(--zl-tint) 75%),linear-gradient(45deg,var(--zl-tint) 25%,transparent 25%,transparent 75%,var(--zl-tint) 75%);background-size:18px 18px;background-position:0 0,9px 9px}
.canvas-wrap canvas{display:block;max-width:100%;max-height:100%}
.canvas-empty{margin:0;padding:20px;text-align:center;color:var(--zl-muted);font-size:15px}
#fileMeta{margin:0;font-size:14px;color:var(--zl-muted);overflow-wrap:anywhere}
.strip{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 4px}
.strip:empty{display:none}
.strip .thumb{width:60px;height:60px;flex:none;padding:0;border:1.5px solid var(--zl-line);border-radius:12px;overflow:hidden;background:var(--zl-surface-2);cursor:pointer;display:grid;place-items:center;color:var(--zl-danger);font-weight:700}
.strip .thumb.active{border-color:var(--zl-accent);box-shadow:0 0 0 2px var(--zl-accent)}
.strip .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.progress-wrap{display:none;gap:6px;flex-direction:column}
.progress-wrap.show{display:flex}
#progressBar{height:6px;border-radius:999px;background:var(--zl-tint);overflow:hidden}
#progressBar>div{height:100%;width:0;background:var(--zl-accent);transition:width .2s ease}
#progressText{font-size:14px;color:var(--zl-muted)}
.file-drop{padding:20px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.file-drop .file-sub{margin:0;color:var(--zl-muted);font-size:14.5px}
.file-drop .file-btn{margin-top:6px}
.grp{background:var(--zl-surface);border:1px solid var(--zl-line);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:8px}
.grp label{display:flex;justify-content:space-between;gap:8px;font:500 14px var(--zl-font-head);color:var(--zl-ink)}
.grp .value{font-family:var(--zl-font-body);color:var(--zl-muted);font-variant-numeric:tabular-nums}
.tool-app .grp select{width:100%;min-height:44px;padding:0 12px;font-size:15px;border:1.5px solid var(--zl-line-2);border-radius:12px;background:var(--zl-surface);color:var(--zl-ink)}
.sliders{gap:12px}
.sl-row{display:flex;flex-direction:column;gap:4px}
.sl-row input[type=range],.out-row input[type=range]{width:100%;min-height:28px;margin:0}
.tiny{margin:0;font-size:13.5px;color:var(--zl-muted);line-height:1.45}
.out-row{display:grid;grid-template-columns:1fr;gap:12px}
.out-row>div{display:flex;flex-direction:column;gap:6px;min-width:0}
#qualityGroup.is-off{opacity:.55}
.actions-bar{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:sticky;bottom:0;background:var(--zl-surface);padding:10px 0 4px;z-index:2}
.actions-bar .btn-primary{grid-column:1/-1}
.actions-bar button{width:100%}
@media (max-width:900px){
.wm-layout{grid-template-columns:1fr;grid-template-areas:"upload" "preview" "controls"}
.wm-right{position:static}
.canvas-wrap{height:auto;min-height:220px;max-height:60vh;aspect-ratio:4/3}
}
/* watermark specifics */
.panel-head .tiny{text-align:right}
#editCanvas{touch-action:none}
#editCanvas.dragging{cursor:grabbing!important}
.grp .inline{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap}
.grp .inline select{flex:1 1 120px;width:auto}
.grp .inline .btn-outline{flex:1 1 140px;min-height:44px}
#wmSummary{overflow-wrap:anywhere}
details.grp{padding:0}
details.grp>summary{list-style:none;cursor:pointer;padding:14px;font:600 15px var(--zl-font-head);color:var(--zl-ink);display:flex;justify-content:space-between;align-items:center;min-height:48px}
details.grp>summary::-webkit-details-marker{display:none}
details.grp>summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--zl-muted);border-bottom:2px solid var(--zl-muted);transform:rotate(45deg);margin-right:4px;transition:transform .15s}
details.grp[open]>summary::after{transform:rotate(-135deg)}
details.grp[open]{padding:0 14px 14px}
details.grp[open]>summary{padding:14px 0 6px}
details.grp[hidden],.grp[hidden]{display:none}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sub-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;padding:0 0 4px 30px}
.check{display:flex!important;align-items:center;gap:10px;min-height:44px;font:400 15px var(--zl-font-body)!important;color:var(--zl-ink);cursor:pointer;justify-content:flex-start!important}
.check input{width:20px;height:20px;margin:0}
.tool-app input[type=color]{width:100%;max-width:120px;height:44px;padding:3px;border:1.5px solid var(--zl-line-2);border-radius:12px;background:var(--zl-surface);cursor:pointer}
#qualityRow.is-off{opacity:.55}
@media (max-width:900px){
.actions-bar{position:static}
}
@media (max-width:420px){
.sub-opts{padding-left:0}
}
/* text dialog (outside .tool-app) */
.wm-modal-backdrop{position:fixed;inset:0;background:rgba(9,22,23,.6);display:none;justify-content:center;align-items:center;z-index:200;padding:16px}
.wm-modal-backdrop.open{display:flex}
.wm-modal{width:min(560px,100%);background:var(--zl-surface);color:var(--zl-ink);border:1px solid var(--zl-line);border-radius:20px;overflow:hidden;font-family:var(--zl-font-body)}
.wm-modal header{padding:14px 18px;border-bottom:1px solid var(--zl-line)}
.wm-modal header .zl-ui-title{margin:0;font:600 17px var(--zl-font-head);color:var(--zl-ink)}
.wm-modal .content{padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.preset-row{display:flex;flex-wrap:wrap;gap:8px}
.wm-modal .preset{min-height:40px;padding:0 14px;border-radius:999px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 14px var(--zl-font-head);cursor:pointer}
.wm-modal .preset:hover{border-color:var(--zl-accent)}
.wm-modal-label{font:500 14px var(--zl-font-head);color:var(--zl-ink)}
.wm-modal textarea{width:100%;min-height:120px;padding:12px;border-radius:12px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:16px var(--zl-font-body);resize:vertical;box-sizing:border-box}
.wm-modal textarea:focus{outline:none;border-color:var(--zl-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--zl-accent) 22%,transparent)}
.wm-modal .tiny{margin:0;font-size:14px;color:var(--zl-muted)}
.wm-modal footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--zl-line)}
.wm-modal footer button{min-height:44px;padding:0 20px;border-radius:999px;font:600 15px var(--zl-font-head);cursor:pointer}
.wm-modal .btn-outline{border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink)}
.wm-modal .btn-primary{border:0;background:var(--zl-accent);color:var(--zl-accent-ink)}
.wm-modal .btn-primary:hover{background:var(--zl-accent-strong)}
.wm-modal :focus-visible{outline:3px solid var(--zl-marigold);outline-offset:2px}

/* page overrides */
/* 320px: grid tracks may shrink below the select's intrinsic width */
.tool-app .wm-layout>*{min-width:0}
.tool-app .wm-layout select{max-width:100%;min-width:0}
@media (max-width:900px){.tool-app .wm-layout{grid-template-columns:minmax(0,1fr)}}