/* Rules below set display, which would otherwise beat the UA [hidden] rule
   and leave hidden elements rendering. */
[hidden]{display:none!important}
.kit-page{padding-top:40px}
.kit-hero{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);
  gap:56px;align-items:end;margin-bottom:34px;
}
.kit-hero h1{font-size:clamp(34px,4vw,48px);line-height:1.02;letter-spacing:-.04em;margin:0;font-weight:590}
.kit-hero h1 em{font:inherit;font-style:normal;color:var(--red)}
.kit-hero p{max-width:680px;color:var(--text-2);font-size:14px;line-height:1.6;margin:15px 0 0}
.kit-note{border-left:2px solid var(--red);padding:3px 0 3px 18px;display:grid;gap:5px}
.kit-note b{font-size:14px;font-weight:600;letter-spacing:-.01em}
.kit-note span{font-size:11.5px;line-height:1.55;color:var(--text-2)}

.upload-panel{
  display:grid;grid-template-columns:minmax(230px,.62fr) minmax(0,1.38fr);gap:34px;
  background:var(--surface);padding:26px;border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--shadow-sm);
}
.upload-copy>span,.library-head>div>span{
  font-size:9.5px;color:var(--red-dark);letter-spacing:.14em;font-weight:650;
}
.upload-copy h2{font-size:22px;font-weight:580;line-height:1.15;letter-spacing:-.025em;margin:8px 0 10px}
.upload-copy p{font-size:11.5px;line-height:1.55;color:var(--text-2);max-width:290px}
.dropzone{
  border:1px dashed var(--border-strong);border-radius:10px;padding:12px;
  display:flex;align-items:center;gap:12px;cursor:pointer;background:var(--surface-2);
  transition:border-color var(--motion-fast) ease,background-color var(--motion-fast) ease;
}
.dropzone:hover,.dropzone:focus-visible,.dropzone.dragging{border-color:var(--red);background:var(--red-soft);box-shadow:var(--ring)}
.drop-preview{width:52px;height:52px;border-radius:8px;background:var(--surface);border:1px solid var(--border);display:grid;place-items:center;font-size:18px;overflow:hidden;color:var(--red-dark)}
.drop-preview img{width:100%;height:100%;object-fit:cover}
.dropzone>div:last-child{display:grid}
.dropzone b{font-size:12px;font-weight:600}
.dropzone span{font-size:10px;color:var(--text-muted)}
.upload-fields{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end;margin-top:12px}
.upload-fields label{display:block;font-size:10.5px;font-weight:550;color:var(--text-2);margin-bottom:6px}
.upload-fields .text-input{min-height:41px}
.upload-panel .primary-button{height:41px;box-shadow:none}

.library-panel{margin-top:42px}
.library-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}
.library-head h2{font-size:24px;font-weight:580;letter-spacing:-.03em;margin:3px 0 0}
.filter-chips{display:flex;gap:5px;flex-wrap:wrap}
.filter-chips button{
  min-height:32px;border:1px solid var(--border);background:var(--surface);
  border-radius:var(--r-pill);padding:0 12px;font-size:10.5px;color:var(--text-2);
}
.filter-chips button:hover{border-color:var(--border-strong);color:var(--text)}
.filter-chips button.on{background:var(--text);color:#fff;border-color:var(--text)}
.filter-chips button:focus-visible{box-shadow:var(--ring-neutral)}

.asset-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.asset-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;position:relative;transition:transform var(--motion-ui) var(--ease-out),box-shadow var(--motion-ui) ease;
}
.asset-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.asset-card>.asset-image{width:100%;aspect-ratio:1;object-fit:cover;background:var(--surface-2)}
.ac-bar{padding:12px;display:flex;align-items:center;gap:8px}
.ac-name{font-size:12px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kind-badge{margin-left:auto;font-size:8.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-2);background:var(--surface-2);padding:4px 7px;border-radius:5px}
.asset-actions{display:flex;gap:6px;padding:0 12px 12px}
.expr-btn,.ac-delete{
  border:1px solid var(--border);background:var(--surface);border-radius:7px;
  padding:7px 9px;font-size:10px;cursor:pointer;
}
.expr-btn{flex:1}.expr-btn:hover{border-color:var(--red);color:var(--red-dark)}
.ac-delete:hover{border-color:var(--error);color:var(--error);background:var(--error-bg)}
.expr-btn:disabled{opacity:.5;cursor:wait}
.empty{text-align:center;background:var(--surface);border:1px dashed var(--border-strong);padding:48px;border-radius:var(--r-card)}
.empty>div{font-size:34px;color:var(--red)}
.empty h3{margin:5px 0 0;font-weight:580;font-size:20px}
.empty p{color:var(--text-2);font-size:11.5px}
.empty .secondary-button{margin-top:10px}

.ac-check{padding:0 12px 10px}.check-loading{font-size:9.5px;color:var(--text-muted)}
.check-pill{width:100%;display:flex;align-items:center;gap:7px;border:1px solid var(--border);background:var(--surface-2);border-radius:7px;padding:7px 9px;cursor:pointer;text-align:left}
.check-pill b{font-size:10px;font-weight:600}.check-pill small{margin-left:auto;font-size:9px;color:var(--text-muted)}
.check-pill i{font-style:normal;font-size:9px;color:var(--text-muted);transition:transform var(--motion-fast) ease}
.check-pill.open i{transform:rotate(180deg)}
.cdot{width:7px;height:7px;border-radius:50%;flex:none;background:var(--text-muted)}
.pass>.cdot,.check-pill.pass .cdot,li.pass .cdot{background:var(--success)}
.warn>.cdot,.check-pill.warn .cdot,li.warn .cdot{background:var(--warning)}
.fail>.cdot,.check-pill.fail .cdot,li.fail .cdot{background:var(--error)}
.check-pill.fail{border-color:rgba(201,54,43,.3);background:var(--error-bg)}
.check-pill.warn{border-color:rgba(182,106,0,.3);background:var(--warning-bg)}
.check-detail{margin-top:8px;border:1px solid var(--border);border-radius:7px;padding:9px}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.check-list li{display:flex;gap:7px;align-items:flex-start}
.check-list li .cdot{margin-top:4px}.check-list b{font-size:10px;display:block}
.check-list span{font-size:9px;color:var(--text-2);display:block;line-height:1.45}
.check-list em{font-size:9px;color:var(--red-dark);font-style:normal;display:block;margin-top:2px}
.check-manual{margin-top:9px;border-top:1px solid var(--border);padding-top:8px}.check-manual b{font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}
.check-manual ul{margin:5px 0 0;padding-left:14px;display:grid;gap:3px}.check-manual li{font-size:9px;color:var(--text-2);line-height:1.4}

.expr-block{padding:0 12px 10px}.expr-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
.expr-head b{font-size:10px}.expr-count{font-size:9px;color:var(--text-muted)}
.expr-slots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;align-items:start}
.expr-slot{position:relative;min-width:0;border:1px solid var(--border);border-radius:5px;overflow:hidden;background:var(--surface-2)}
.expr-slot img{width:100%;aspect-ratio:3/4;object-fit:cover}.expr-slot>b{display:block;font-size:8px;padding:4px 5px;font-weight:550;text-align:center}
.expr-slot.expr-empty{border-style:dashed}.expr-add-btn{display:block;width:100%;min-width:0;border:0;background:none;padding:0;cursor:pointer}
.expr-add-btn b{display:block;font-size:8px;font-weight:550;padding:4px 5px;text-align:center}.expr-add-btn:hover{background:var(--red-soft)}
.expr-add{display:grid;place-items:center;width:100%;aspect-ratio:3/4;font-size:16px;color:var(--text-muted)}
.expr-tools{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:3px;background:rgba(23,23,20,.65);opacity:0;transition:opacity var(--motion-fast)}
.expr-slot:hover .expr-tools,.expr-slot:focus-within .expr-tools{opacity:1}
.expr-tools button{border:0;border-radius:4px;background:#fff;color:var(--text);font-size:9px;line-height:1;padding:5px 6px}
.expr-tools button:hover{background:var(--red);color:#fff}.expr-slot.busy{opacity:.5;pointer-events:none}
.expr-slot.busy::after{content:attr(data-busy-label);position:absolute;inset:0;display:grid;place-items:center;background:rgba(255,255,255,.88);font-size:8px;font-weight:600}
.lb-modal{max-width:520px}.lb-modal img{width:100%;border-radius:9px}
.confirm-modal{width:min(420px,100%);padding:26px}
.confirm-modal h2{margin:14px 0 6px;font-size:20px;font-weight:600;letter-spacing:-.02em}
.confirm-modal p{margin:0;color:var(--text-2);font-size:12.5px;line-height:1.55}
.confirm-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:var(--error-bg);color:var(--error);font-size:15px;font-weight:650}
.danger-button{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 14px;border-radius:var(--r-btn);background:var(--error);color:#fff;font-size:12px;font-weight:600}
.danger-button:hover{background:#A82C24}.danger-button:focus-visible{box-shadow:0 0 0 3px rgba(201,54,43,.22)}
.toast-region{position:fixed;right:20px;bottom:20px;z-index:140;display:grid;gap:8px;pointer-events:none}
.toast{min-width:260px;max-width:360px;padding:11px 13px;border:1px solid var(--border);border-radius:10px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);box-shadow:var(--shadow-lg);font-size:11.5px;color:var(--text);animation:toast-in var(--motion-layout) var(--ease-out)}
.toast.error{border-color:rgba(201,54,43,.25);background:rgba(255,240,238,.94);color:var(--error)}
@keyframes toast-in{from{opacity:0;transform:translateY(10px)}}

@media(max-width:1080px){.asset-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:980px){.kit-hero,.upload-panel{grid-template-columns:1fr}.kit-hero{gap:24px}.upload-panel{gap:20px}}
@media(max-width:680px){
  .kit-page{padding-top:28px}.kit-hero h1{font-size:34px}.upload-panel{padding:18px}
  .upload-fields{grid-template-columns:1fr}.library-head{align-items:flex-start;display:block}
  .filter-chips{margin-top:14px;overflow:auto;flex-wrap:nowrap}.filter-chips button{white-space:nowrap}
  .asset-grid{grid-template-columns:1fr 1fr}
  .toast-region{left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom))}.toast{max-width:none;min-width:0}
}
@media(max-width:390px){.asset-grid{grid-template-columns:1fr}}