.viewerBody{background:linear-gradient(180deg,#07111f 0,#050914 100%)}
.viewerNav{position:sticky}
.viewerShell{padding:34px 4vw 70px}
.viewerHero{display:grid;grid-template-columns:minmax(320px,1fr) minmax(280px,420px);gap:24px;align-items:end;width:min(1500px,100%);margin:0 auto 24px}
.viewerHero h1{font-size:clamp(34px,4.4vw,62px);line-height:1.03;margin:10px 0 16px}
.viewerHero .lead{font-size:18px;max-width:900px}
.privacyCard{border:1px solid rgba(34,211,238,.28);background:linear-gradient(145deg,rgba(34,211,238,.14),rgba(37,99,235,.08));border-radius:24px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.28)}
.privacyCard strong{display:block;font-size:20px;margin-bottom:10px;color:#fff}
.privacyCard span{display:block;color:#b9d4e8;line-height:1.55}
.viewerApp{width:min(1700px,100%);margin:0 auto;border:1px solid rgba(255,255,255,.14);border-radius:28px;background:rgba(9,18,32,.72);box-shadow:0 30px 110px rgba(0,0,0,.35);overflow:hidden}
.dropZone{position:relative;margin:18px;border:1px dashed rgba(34,211,238,.58);border-radius:22px;background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(37,99,235,.08));padding:24px;display:flex;align-items:center;justify-content:center;text-align:center;cursor:pointer;transition:.18s ease}
.dropZone:hover,.dropZone.dragOver{border-color:#22d3ee;background:linear-gradient(135deg,rgba(34,211,238,.2),rgba(37,99,235,.12));transform:translateY(-1px)}
.dropZone input{position:absolute;inset:0;opacity:0;cursor:pointer}
.dropZone strong{display:block;font-size:20px;color:#fff;margin-bottom:6px}
.dropZone span{color:#acd0e7}
.viewerToolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:0 18px 18px;border-bottom:1px solid rgba(255,255,255,.12)}
.viewerToolbar button,.viewerToolbar select{border:1px solid rgba(180,220,255,.24);background:#10243d;color:#eef8ff;border-radius:12px;padding:10px 14px;font-weight:850}
.viewerToolbar button:hover{border-color:#22d3ee;background:#143150}
.viewerToolbar button.active{background:linear-gradient(135deg,#0891b2,#2563eb);border-color:transparent;color:#fff}
.toolSeparator{width:1px;height:26px;background:rgba(255,255,255,.18);margin:0 2px}
.unitSelect{display:flex;align-items:center;gap:8px;color:#b9d4e8;font-weight:800}
.viewerGrid{display:grid;grid-template-columns:330px minmax(520px,1fr) 340px;min-height:760px}
.layerPanel,.reportPanel{background:#0b1525;border-right:1px solid rgba(255,255,255,.12);min-width:0}
.reportPanel{border-right:0;border-left:1px solid rgba(255,255,255,.12)}
.panelHeader{height:54px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.1);background:#0f2035}
.panelHeader h2{font-size:16px;margin:0;color:#f4fbff}
.panelHeader span{background:rgba(34,211,238,.14);color:#22d3ee;padding:5px 10px;border-radius:999px;font-weight:900}
.layerTableWrap{overflow:auto;max-height:706px}
.layerTable{width:100%;border-collapse:collapse;font-size:13px}
.layerTable th,.layerTable td{padding:10px 8px;border-bottom:1px solid rgba(255,255,255,.07);color:#dbeafe;vertical-align:middle}
.layerTable th{position:sticky;top:0;background:#10243d;color:#eef8ff;z-index:1}
.layerTable tr:hover td{background:rgba(34,211,238,.06)}
.layerTable input[type=checkbox]{width:16px;height:16px}
.layerColor{width:28px;height:22px;border-radius:6px;border:1px solid rgba(255,255,255,.28);display:inline-block;cursor:pointer}
.layerName{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty{color:#9fb7ce!important;text-align:center;padding:28px!important}
.canvasPanel{position:relative;min-height:760px;background:#161b25;overflow:hidden}
#gerberCanvas{display:block;width:100%;height:100%;background:#171c26;cursor:grab}
#gerberCanvas:active{cursor:grabbing}
.canvasBadge{position:absolute;top:14px;left:14px;background:rgba(0,0,0,.72);border-radius:10px;color:#55ffad;font-weight:950;letter-spacing:.04em;padding:9px 13px}
.canvasStatus{position:absolute;right:14px;bottom:14px;background:rgba(0,0,0,.68);border:1px solid rgba(255,255,255,.16);border-radius:10px;color:#dff8ff;padding:8px 12px;font-size:13px}
.reportPanel pre{margin:0;padding:16px;white-space:pre-wrap;overflow:auto;color:#d8e8f4;font:13px/1.5 Consolas,ui-monospace,monospace;max-height:450px}
.objectHeader{border-top:1px solid rgba(255,255,255,.1)}
#objectInfo{max-height:210px;color:#bcecff}
.viewerNotes{width:min(1500px,100%);margin:26px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.viewerNotes article{border:1px solid rgba(255,255,255,.13);border-radius:22px;background:rgba(255,255,255,.055);padding:22px}
.viewerNotes h3{margin:0 0 8px;color:#fff}
.viewerNotes p{color:#aec8dc;line-height:1.65;margin:0}
@media(max-width:1160px){
  .viewerGrid{grid-template-columns:280px 1fr;grid-template-areas:"layers canvas" "report report"}
  .layerPanel{grid-area:layers}.canvasPanel{grid-area:canvas}.reportPanel{grid-area:report;border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .reportPanel pre{max-height:250px}
}
@media(max-width:820px){
  .viewerHero,.viewerNotes{grid-template-columns:1fr}
  .viewerGrid{grid-template-columns:1fr;grid-template-areas:"canvas" "layers" "report"}
  .canvasPanel{min-height:520px}.layerTableWrap{max-height:320px}
  .viewerToolbar{align-items:stretch}.viewerToolbar button{flex:1 1 auto}
}