:root{--panel-bg:#111820db;--panel-border:#7da5c838;--accent:#38bdf8;--accent-dim:#1d6c93;--text:#e6edf3;--text-dim:#9fb0bf;--error:#e23b3b;--warning:#f0a020;--info:#3b82f6;--ok:#49b265;--radius:10px;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;color:var(--text);background:#0c1116;margin:0;overflow:hidden}.app{width:100%;height:100%;position:relative}.panel{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text);font-size:13px;position:absolute;box-shadow:0 6px 24px #00000059}.toolbar{z-index:20;white-space:nowrap;align-items:center;gap:10px;padding:8px 14px;display:flex;top:12px;left:50%;transform:translate(-50%)}.brand{letter-spacing:.06em;color:var(--accent);margin-right:4px;font-size:14px;font-weight:700}.brand span{color:var(--text-dim);font-weight:400}.seg{border:1px solid var(--panel-border);border-radius:8px;display:flex;overflow:hidden}.seg button{color:var(--text-dim);cursor:pointer;border:none;border-right:1px solid var(--panel-border);background:0 0;padding:6px 12px;font-size:12.5px}.seg button:last-child{border-right:none}.seg button:hover{color:var(--text);background:#ffffff0d}.seg button.active{background:var(--accent-dim);color:#fff}.btn{border:1px solid var(--panel-border);color:var(--text);cursor:pointer;background:#ffffff0f;border-radius:8px;padding:6px 11px;font-size:12.5px}.btn:hover{background:#ffffff1f}.btn:disabled{opacity:.4;cursor:default}.btn.primary{background:var(--accent-dim);border-color:var(--accent)}.btn.primary:hover{background:#2585b3}.btn.danger{color:#ff9c9c;border-color:#e23b3b80}.btn.danger:hover{background:#e23b3b2e}.palette{z-index:15;width:180px;padding:10px;top:70px;left:12px}.palette h3{text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);margin:2px 4px 8px;font-size:11px}.palette .tool{width:100%;color:var(--text);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:9px;padding:8px 9px;font-size:13px;display:flex}.palette .tool:hover{background:#ffffff0f}.palette .tool.active{background:var(--accent-dim);border-color:var(--accent)}.palette .tool .icon{text-align:center;width:20px;font-size:16px}.palette .hint{color:var(--text-dim);margin:8px 4px 2px;font-size:11.5px;line-height:1.45}.properties{z-index:15;width:280px;max-height:calc(55vh - 70px);padding:12px;top:70px;right:12px;overflow-y:auto}.issues{z-index:15;flex-direction:column;width:280px;max-height:38vh;display:flex;bottom:44px;right:12px}.issues .list{padding:6px;overflow-y:auto}.panel h2{letter-spacing:.04em;margin:0 0 10px;font-size:13px}.panel h2 .sub{color:var(--text-dim);font-size:11.5px;font-weight:400}.field{justify-content:space-between;align-items:center;gap:8px;margin-bottom:7px;display:flex}.field label{color:var(--text-dim);flex:1;font-size:12px}.field input[type=number],.field select{border:1px solid var(--panel-border);width:116px;color:var(--text);background:#00000059;border-radius:6px;padding:5px 7px;font-size:12.5px}.field input[type=checkbox]{transform:scale(1.15)}.field .unit{color:var(--text-dim);width:38px;font-size:11px}.stat{color:var(--text-dim);justify-content:space-between;padding:3px 0;font-size:12px;display:flex}.stat b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:600}.divider{border-top:1px solid var(--panel-border);margin:10px 0}.issues-header{border-bottom:1px solid var(--panel-border);align-items:center;gap:8px;padding:10px 12px 8px;display:flex}.issues-header .title{flex:1;font-size:13px;font-weight:600}.badge{border-radius:99px;padding:1px 8px;font-size:11px;font-weight:600}.badge.error{color:#ff9c9c;background:#e23b3b33}.badge.warning{color:#ffce7a;background:#f0a0202e}.badge.info{color:#9cc3ff;background:#3b82f62e}.badge.ok{color:#8fe2a8;background:#49b26533}.issue-item{text-align:left;width:100%;color:var(--text);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;align-items:flex-start;gap:8px;padding:7px 8px;font-size:12.5px;display:flex}.issue-item:hover{background:#ffffff0d}.issue-item.selected{border-color:var(--accent-dim);background:#38bdf81f}.issue-item .dot{border-radius:50%;flex-shrink:0;width:9px;height:9px;margin-top:4px}.issue-item .dot.error{background:var(--error)}.issue-item .dot.warning{background:var(--warning)}.issue-item .dot.info{background:var(--info)}.issue-detail{border-top:1px solid var(--panel-border);max-height:46vh;padding:10px 12px;font-size:12.5px;line-height:1.5;overflow-y:auto}.issue-detail h3{margin:0 0 4px;font-size:13.5px}.issue-detail h4{text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin:10px 0 3px;font-size:11px}.issue-detail p{color:var(--text);margin:2px 0}.issue-detail ul{margin:2px 0;padding-left:18px}.issue-detail .rule-note{border-left:3px solid var(--accent-dim);color:var(--text-dim);background:#38bdf814;border-radius:4px;padding:6px 8px;font-size:11.5px}.issue-detail .disclaimer{color:var(--text-dim);margin-top:10px;font-size:10.5px;font-style:italic}.crosshair{pointer-events:none;z-index:30;width:14px;height:14px;margin:-7px 0 0 -7px;position:absolute;top:50%;left:50%}.crosshair:before,.crosshair:after{content:"";background:#ffffffd9;position:absolute}.crosshair:before{width:2px;height:14px;top:0;left:6px}.crosshair:after{width:14px;height:2px;top:6px;left:0}.hint-bar{background:var(--panel-bg);border:1px solid var(--panel-border);color:var(--text-dim);z-index:18;pointer-events:none;white-space:nowrap;border-radius:8px;padding:6px 14px;font-size:12px;position:absolute;bottom:44px;left:50%;transform:translate(-50%)}.hint-bar b{color:var(--text)}.footer-disclaimer{text-align:center;color:#e6edf38c;z-index:25;background:#0a0e12b8;padding:5px 12px;font-size:10.5px;position:absolute;bottom:0;left:0;right:0}.sim-summary{z-index:15;width:250px;padding:12px;bottom:44px;left:12px}.weak-link{background:#f0a0201a;border:1px solid #f0a02059;border-radius:8px;margin-top:8px;padding:8px 10px;font-size:12px;line-height:1.45}.util-bar{background:#ffffff1a;border-radius:4px;height:7px;margin-top:4px;overflow:hidden}.util-bar>div{height:100%}.tour{z-index:22;width:300px;padding:14px;top:70px;left:12px}.tour h2{color:var(--accent)}.tour .step-count{color:var(--text-dim);font-size:11px}.tour p{color:var(--text);font-size:12.5px;line-height:1.55}.tour .controls{gap:8px;margin-top:10px;display:flex}select.scenario{border:1px solid var(--panel-border);color:var(--text);background:#00000059;border-radius:8px;padding:6px 8px;font-size:12.5px}.feedback-fab{z-index:26;position:absolute;top:12px;right:12px}.feedback-panel{z-index:26;width:280px;padding:12px;top:12px;right:12px}.feedback-panel textarea{border:1px solid var(--panel-border);width:100%;color:var(--text);resize:vertical;background:#00000059;border-radius:6px;min-height:96px;padding:7px;font-family:inherit;font-size:12.5px}.feedback-panel input[type=email]{border:1px solid var(--panel-border);width:100%;color:var(--text);background:#00000059;border-radius:6px;margin-top:8px;padding:6px 7px;font-size:12.5px}.feedback-panel textarea::placeholder,.feedback-panel input::placeholder{color:var(--text-dim)}.feedback-panel .disclosure{color:var(--text-dim);margin:5px 0 9px;font-size:10.5px;line-height:1.4}.feedback-panel .row{gap:8px;display:flex}.feedback-panel .thanks{margin:4px 2px;font-size:13px}.crash-panel{z-index:40;text-align:center;width:320px;padding:18px;top:50%;left:50%;transform:translate(-50%,-50%)}.crash-panel p{color:var(--text-dim);margin:8px 0 14px;font-size:12.5px;line-height:1.5}