:root{--bg:#0f1117;--panel:#161a23;--panel2:#1d2230;--line:#262c3a;--txt:#e7eaf2;--dim:#8e97ad;--accent:#6c8cff;--gold:#f0b429}
  *{box-sizing:border-box}
  html,body{height:100%;margin:0;padding:0}
  body{background:var(--bg);color:var(--txt);font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow:hidden;user-select:none}
  button,select,input{font:inherit;color:inherit}
  button{background:var(--panel2);border:1px solid var(--line);color:var(--txt);padding:7px 11px;border-radius:9px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:background .15s,border-color .15s}
  button:hover{background:#252b3b;border-color:#39415a}
  button.active{background:var(--accent);border-color:var(--accent);color:#fff}
  button.primary{background:linear-gradient(135deg,#6c8cff,#8f6cff);border-color:transparent;color:#fff;font-weight:600}
  button:disabled{opacity:.45;cursor:not-allowed}
  select{background:var(--panel2);border:1px solid var(--line);padding:7px 9px;border-radius:9px;cursor:pointer}
  .app{display:flex;flex-direction:column;height:100vh}
  .topbar{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--panel);border-bottom:1px solid var(--line);z-index:5}
  .brand{font-weight:700;display:flex;align-items:center;gap:8px;font-size:15px}
  .brand small{color:var(--dim);font-weight:400;font-size:12px}
  .spacer{flex:1}
  .body{flex:1;display:flex;min-height:0}
  aside{background:var(--panel);display:flex;flex-direction:column;min-height:0}
  .left{width:290px;border-right:1px solid var(--line)}
  .right{width:280px;border-left:1px solid var(--line)}
  .panel-title{padding:11px 14px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);border-bottom:1px solid var(--line);font-weight:600}
  .tabs{display:flex;flex-wrap:wrap;gap:4px;padding:8px;border-bottom:1px solid var(--line);max-height:120px;overflow-y:auto;background:#12151f}
  .tabs button{padding:5px 9px;font-size:11.5px;border-radius:7px}
  .lib-grid{overflow-y:auto;padding:9px;display:grid;grid-template-columns:1fr 1fr;gap:8px;flex:1}
  .card{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:6px;cursor:grab;position:relative;text-align:center;transition:transform .12s,border-color .15s}
  .card:hover{border-color:var(--accent);transform:translateY(-2px)}
  .card canvas{display:block;margin:0 auto;border-radius:6px;background:#0c0e14;pointer-events:none}
  .card .nm{font-size:10.5px;color:var(--dim);margin-top:5px;line-height:1.25;height:26px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .card .tag{position:absolute;top:5px;right:5px;font-size:9px;font-weight:700;padding:2px 5px;border-radius:5px;background:#2a3145;color:#9fb0d8}
  .card .tag.pro{background:#3a2f55;color:#c3a6ff}
  .card .tag.max{background:#4a3a16;color:var(--gold)}
  .card.locked{opacity:.62}
  .card.locked canvas{filter:grayscale(.7)}
  .card .lock{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:20px;background:rgba(10,12,18,.45);border-radius:10px}
  .stage{flex:1;display:flex;flex-direction:column;min-width:0;background:#0b0d13}
  .toolbar{display:flex;gap:6px;align-items:center;padding:8px 10px;flex-wrap:wrap;background:var(--panel);border-bottom:1px solid var(--line);z-index:4}
  .sep{width:1px;height:22px;background:var(--line);margin:0 3px}
  #stageWrap{position:relative;flex:1;min-height:0;overflow:hidden;background:#08090d}
  #plan{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:crosshair}
  #threeWrap{position:absolute;inset:0;width:100%;height:100%}
  #threeWrap canvas{display:block;width:100%;height:100%}
  .hint{position:absolute;left:14px;bottom:14px;background:rgba(22,26,35,.92);border:1px solid var(--line);padding:8px 12px;border-radius:9px;font-size:12px;color:var(--dim);pointer-events:none;box-shadow:0 4px 12px rgba(0,0,0,.4);z-index:10}
  .inspector{padding:12px;display:flex;flex-direction:column;gap:10px;overflow-y:auto}
  .inspector .empty{color:var(--dim);font-size:12.5px;line-height:1.6}
  .field{display:flex;justify-content:space-between;gap:8px;font-size:12.5px}
  .field span:first-child{color:var(--dim)}
  .row{display:flex;gap:6px;flex-wrap:wrap}
  .row button{flex:1;justify-content:center}
  .slider-row{display:flex;flex-direction:column;gap:3px}
  .slider-row input[type=range]{width:100%;accent-color:var(--accent);height:18px;cursor:pointer}
  .color-box{margin-top:8px;padding:10px;background:linear-gradient(135deg,rgba(108,140,255,0.15),rgba(143,108,255,0.10));border:1px solid var(--accent);border-radius:10px}
  .color-box .title{font-weight:700;font-size:12px;letter-spacing:.05em;color:#c3d0ff;margin-bottom:8px}
  .color-row{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:8px}
  .color-row label{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--dim);
    background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:4px 7px;cursor:pointer}
  .color-row label:hover{border-color:var(--accent)}
  .color-row input[type=color]{width:24px;height:24px;border:none;background:none;padding:0;cursor:pointer;border-radius:5px}
  .color-row input[type=color]::-webkit-color-swatch-wrapper{padding:0}
  .color-row input[type=color]::-webkit-color-swatch{border:1px solid var(--line);border-radius:5px}
  .color-row input[type=color]::-moz-color-swatch{border:1px solid var(--line);border-radius:5px}
  .modal{position:fixed;inset:0;background:rgba(6,8,13,.75);display:none;align-items:center;justify-content:center;z-index:50;backdrop-filter:blur(3px)}
  .modal.on{display:flex}
  .modal .box{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;width:min(560px,92vw);max-height:88vh;overflow:auto}
  .plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0}
  .plan{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--panel2)}
  .plan .price{font-size:22px;font-weight:700;margin:6px 0}
  .plan ul{padding-left:16px;margin:8px 0 12px;color:var(--dim);font-size:12.5px}
  .plan.hi{border-color:var(--accent)}
  .payment-recovery{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
  .payment-recovery input{flex:1 1 180px;min-width:0;font-size:11px}
  .payment-recovery button{font-size:11px}
  .toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--panel2);border:1px solid var(--accent);padding:10px 18px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:60}
  .toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
  .err{position:fixed;top:0;left:0;right:0;background:#4a1010;color:#ffd0d0;padding:10px 14px;font:12px monospace;z-index:999;display:none;white-space:pre-wrap}
  .cam3-ctl{position:absolute;right:14px;bottom:14px;display:flex;flex-direction:column;gap:8px;padding:10px;background:rgba(22,26,35,.92);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.5);backdrop-filter:blur(6px);z-index:20;user-select:none}
  .cam3-ctl .ctl-head{display:flex;align-items:center;justify-content:space-between;gap:6px;padding-bottom:6px;border-bottom:1px solid var(--line)}
  .cam3-ctl .ctl-head span{font-size:11px;font-weight:700;letter-spacing:.05em;color:#c3d0ff}
  .cam3-ctl .ctl-head button{padding:1px 6px;font-size:11px;border-radius:5px;background:transparent;border-color:transparent;color:var(--dim)}
  .cam3-ctl .ctl-head button:hover{background:var(--panel2);color:var(--txt)}
  .cam3-ctl.collapsed .ctl-body{display:none}
  .cam3-ctl .ctl-body{display:flex;flex-direction:column;gap:8px}
  .cam3-ctl .ctl-section{display:flex;flex-direction:column;gap:4px;align-items:center}
  .cam3-ctl .dpad{display:grid;grid-template-columns:28px 28px 28px;grid-template-rows:28px 28px 28px;gap:2px}
  .cam3-ctl .dpad button{padding:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:13px;border-radius:6px}
  .cam3-ctl .dpad button:hover{background:var(--accent);border-color:var(--accent)}
  .cam3-ctl .dpad .center{background:#0f1117;cursor:default;font-size:10px;color:var(--dim)}
  .cam3-ctl .dpad .center:hover{background:#0f1117;border-color:var(--line)}
  .cam3-ctl .zoom-row{display:grid;grid-template-columns:28px 28px;gap:4px}
  .cam3-ctl .zoom-row button{width:28px;height:28px;padding:0;justify-content:center;font-size:14px;font-weight:700}
  .cam3-ctl .presets{display:grid;grid-template-columns:1fr 1fr;gap:4px;width:100%}
  .cam3-ctl .presets button{padding:5px 6px;font-size:10.5px;justify-content:center;border-radius:6px}
  .cam3-ctl .presets button.wide{grid-column:1 / -1}
  .cam3-ctl .kbhint{font-size:9.5px;color:var(--dim);text-align:center;line-height:1.3;margin-top:2px;border-top:1px solid var(--line);padding-top:6px}
  @media(max-width:1100px){.left{width:220px}.right{width:230px}}
  @media(max-width:860px){.left{width:170px}.right{width:200px}.cam3-ctl{padding:8px}}
  #languageSel{min-width:105px}
  #roomSel{max-width:150px}
  #roomLabel{width:130px;min-width:105px}
  .planner-panel{padding:10px 12px;overflow-y:auto;max-height:46%;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
  .planner-note{font-size:11px;color:var(--dim);line-height:1.4}
  .planner-status{font-size:11px;color:#7ddab7;line-height:1.35}
  .planner-status.warning{color:#ffb783}
  .planner-list{display:flex;flex-direction:column;gap:5px}
  .planner-item{display:flex;align-items:center;justify-content:space-between;gap:7px;font-size:11px}
  .planner-item span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .planner-item select{width:95px;flex:none;font-size:10px;padding:4px 5px}
  .planner-results{display:flex;flex-direction:column;gap:6px}
  .layout-card{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:8px;font-size:11px;display:flex;flex-direction:column;gap:5px}
  .layout-card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
  .layout-card strong{font-size:12px}
  .layout-card .muted{color:var(--dim)}
  .layout-card button{justify-content:center;font-size:11px}
  .layout-card .warning{color:#ffb783}
  [dir="rtl"] .left{border-right:0;border-left:1px solid var(--line)}
  [dir="rtl"] .right{border-left:0;border-right:1px solid var(--line)}
  [dir="rtl"] .hint{left:auto;right:14px}
  [dir="rtl"] .cam3-ctl{right:auto;left:14px}
  @media(max-width:680px){
    body{overflow:auto}
    .app{min-height:100vh;height:auto}
    .topbar{flex-wrap:wrap}
    .body{flex-direction:column}
    .left,.right{width:100%;border:0}
    .left{max-height:230px}
    .lib-grid{min-height:120px}
    .stage{min-height:65vh}
    #stageWrap{min-height:55vh}
  }