.tool-app{margin:0 auto;padding:4px 4px 2px}
.tool-app .top-row{display:block;margin:0 0 16px}
.tool-app .upload-inner{padding:24px 18px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.tool-app .upload-inner p{margin:0;color:var(--zl-muted);font-size:15px}
.tool-app .upload-inner .zl-ui-title{color:var(--zl-ink)}
.tool-app .upload-inner .btn-primary{margin-top:6px}
/* toolbar */
.resize-toolbar{background:var(--zl-surface);border:1px solid var(--zl-line);border-radius:18px;padding:14px 16px;margin:0 0 16px;display:flex;flex-direction:column;gap:12px}
.toolbar-main{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:end}
.toolbar-group{display:flex;flex-direction:column;gap:6px;min-width:0}
.toolbar-group label{display:flex;justify-content:space-between;gap:6px;font:500 14px var(--zl-font-head);color:var(--zl-ink)}
#qualityLabel{font-family:var(--zl-font-body);color:var(--zl-muted)}
.tool-app .resize-toolbar select,.tool-app .resize-toolbar input[type=text]{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)}
.tool-app .resize-toolbar input[type=range]{width:100%;min-height:44px;margin:0}
.tool-app .resize-toolbar input[type=color]{width:56px;height:44px;padding:3px;border:1.5px solid var(--zl-line-2);border-radius:12px;background:var(--zl-surface);cursor:pointer}
.toolbar-actions{display:flex;flex-wrap:wrap;gap:8px}
.support-note{margin:0;font-size:14px;color:var(--zl-warning);background:var(--zl-warning-soft);border-radius:12px;padding:8px 12px}
.support-note:empty,.support-note[hidden]{display:none}
.progress-full{display:flex;gap:12px;align-items:center}
.progress-full .progress-bar{flex:1;height:6px;border-radius:999px;background:var(--zl-tint);overflow:hidden}
.progress-full .progress-bar>div{height:100%;width:0;background:var(--zl-accent);transition:width .2s ease}
#overallStats{font-size:14px;color:var(--zl-muted);text-align:right}
/* results */
.results-header{display:flex;justify-content:space-between;margin:0 0 10px;font:500 14px var(--zl-font-head);color:var(--zl-muted)}
.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:14px}
.tool-app .empty-state{grid-column:1/-1;padding:28px 16px;text-align:center;font-size:15px}
.img-card{display:flex;flex-direction:column;background:var(--zl-surface);border:1px solid var(--zl-line);border-radius:16px;overflow:hidden}
.img-card:hover{transform:none;box-shadow:none}
.img-card.unsupported{border-color:var(--zl-danger)}
.img-thumb{height:190px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--zl-line);padding:10px;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:16px 16px;background-position:0 0,8px 8px}
.tool-app .img-thumb canvas{max-width:100%;max-height:100%;object-fit:contain;display:block;border-radius:4px}
.img-meta{padding:10px 12px 4px;display:flex;flex-direction:column;gap:4px;color:var(--zl-muted)}
.img-title{font:600 14.5px var(--zl-font-head);color:var(--zl-ink);min-width:0}
.img-title span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.img-info{display:flex;flex-direction:column;gap:1px}
.img-info small{font-size:13.5px}
.img-actions{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:6px;padding:8px 12px 12px;margin-top:auto;border-top:0}
.card-btn{min-height:44px;border-radius:999px;border:1.5px solid var(--zl-line-2);background:var(--zl-surface);color:var(--zl-ink);font:500 13.5px var(--zl-font-head);cursor:pointer;padding:0 8px}
.card-btn:hover{border-color:var(--zl-accent)}
.card-btn.primary{background:var(--zl-accent);border-color:var(--zl-accent);color:var(--zl-accent-ink)}
.card-btn.primary:hover{background:var(--zl-accent-strong);border-color:var(--zl-accent-strong)}
.card-btn.danger{color:var(--zl-danger)}
.card-btn.danger:hover{border-color:var(--zl-danger)}
.tool-app .card-btn:disabled{background:var(--zl-surface-2);color:#7d9391;border-color:var(--zl-line);cursor:not-allowed}
.img-card.unsupported .img-actions{grid-template-columns:1fr}
/* mode settings */
.toolbar-subpanel{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:flex-end;padding:12px;border-radius:14px;background:var(--zl-surface-2);border:1px solid var(--zl-line)}
.mode-row{display:flex;flex-direction:column;gap:6px;min-width:220px;flex:1 1 260px}
.mode-row[hidden],.mode-checks [hidden]{display:none!important}
.mode-row.pair{flex-direction:row;gap:12px}
.mode-row.pair>div{flex:1;display:flex;flex-direction:column;gap:6px;min-width:0}
.toolbar-subpanel label{display:flex;justify-content:space-between;gap:6px;font:500 14px var(--zl-font-head);color:var(--zl-ink)}
#scaleLabel{font-family:var(--zl-font-body);color:var(--zl-muted)}
.tool-app .toolbar-subpanel input[type=number]{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)}
.tool-app .toolbar-subpanel input[type=range]{width:100%;min-height:44px;margin:0}
.mode-checks{display:flex;flex-wrap:wrap;gap:4px 18px}
.mode-checks label.inline{display:flex;align-items:center;gap:8px;min-height:44px;font:400 15px var(--zl-font-body);color:var(--zl-ink);cursor:pointer;justify-content:flex-start}
.mode-checks input{width:20px;height:20px;margin:0}
@media (max-width:900px){
.toolbar-main{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
.toolbar-actions>*{flex:1 1 calc(50% - 8px)}
.toolbar-actions .btn-primary{flex-basis:100%}
.progress-full{flex-direction:column;align-items:stretch}
#overallStats{text-align:left}
.results-grid{grid-template-columns:1fr}
.mode-row{min-width:0}
}