.source-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.source-tab{padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--panel2);color:var(--text);cursor:pointer;text-align:left}.source-tab.active{border-color:var(--lime)}.upload-zone{border:1px dashed #60766d;border-radius:12px;padding:24px;text-align:center;background:#0a1210}.upload-zone input{max-width:100%;margin-top:12px}.cad-stage{display:grid;grid-template-columns:1.3fr .7fr;gap:14px;margin-top:18px}.cad-canvas{position:relative;min-height:330px;border:1px solid var(--line);border-radius:12px;background:radial-gradient(circle at 50% 40%,#19352b 0,#0a1210 65%);overflow:hidden;perspective:800px}.deck-model{position:absolute;inset:42px 34px 56px;transform:rotateX(54deg) rotateZ(-8deg);transform-style:preserve-3d;border:2px solid #d9ff43;border-radius:50% 50% 20% 20% / 18% 18% 12% 12%;background:#12231e;box-shadow:0 20px 50px #000}.deck-model:before{content:"CONCEPT DECK 01";position:absolute;top:-26px;left:18px;color:var(--lime);font-size:9px;letter-spacing:.16em}.cad-room{position:absolute;border:1px solid #56e3a5;background:#16382d;color:#edf6f1;display:grid;place-items:center;text-align:center;font-size:9px;padding:4px;overflow:hidden}.node-dot{display:inline-block;width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px #d9ff4322;margin-right:6px}.cad-legend{position:absolute;bottom:14px;left:16px;color:var(--muted);font-size:10px}.cad-side{display:grid;gap:9px}.cad-stat{background:var(--panel2);border:1px solid var(--line);padding:13px;border-radius:9px}.cad-stat small{display:block;color:var(--muted)}.cad-disclaimer{border-left:3px solid var(--amber);padding:10px 12px;background:#ffc5610d;color:var(--muted);font-size:12px}.cad-actions{display:flex;gap:8px;flex-wrap:wrap}.fake-export{font-size:11px;color:var(--green)}@media(max-width:700px){.cad-stage,.source-tabs{grid-template-columns:1fr}.cad-canvas{min-height:280px}.deck-model{inset:45px 25px 58px}}