:root{--bg:#0b0e13;--panel:#11151c;--panel-2:#161b24;--border:#232a36;--text:#c8cfdb;--text-dim:#7d8696;--accent:#4aa3ff;--warn:#ff6b4a;--ok:#4aff9b;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{background:var(--bg);height:100%;color:var(--text);-webkit-font-smoothing:antialiased;margin:0}button{font-family:inherit}::selection{background:#4aa3ff4d}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}*{scrollbar-width:thin;scrollbar-color:#2a3343 transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#2a3343;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#39435a}::-webkit-scrollbar-track{background:0 0}.app{flex-direction:column;height:100%;display:flex}.topbar{border-bottom:1px solid var(--border);background:linear-gradient(180deg, #151b27 0%, var(--panel) 100%);flex-shrink:0;justify-content:space-between;align-items:center;height:52px;padding:0 18px;display:flex}.brand{align-items:center;gap:10px;display:flex}.logo{align-items:center;display:flex}.logo svg{display:block}.title{color:#fff;letter-spacing:.5px;font-size:18px;font-weight:700}.subtitle{color:var(--text-dim);font-size:12px}.current-part{color:var(--text);background:var(--panel-2);border:1px solid var(--border);border-radius:20px;align-items:center;gap:8px;padding:4px 14px;font-size:13px;display:flex}.current-part .dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.layout{flex:1;grid-template-columns:250px 1fr 340px;min-height:0;display:grid}.sidebar{background:var(--panel);border-right:1px solid var(--border);padding:14px 12px 30px;overflow-y:auto}.sys-group{margin-bottom:18px}.sys-head{align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.sys-icon{margin-top:1px;font-size:16px}.sys-name{text-transform:uppercase;letter-spacing:.8px;font-size:13px;font-weight:700}.sys-blurb{color:var(--text-dim);margin-top:2px;font-size:11px;line-height:1.35}.sidebar ul{flex-direction:column;gap:4px;margin:0;padding:0 0 0 24px;list-style:none;display:flex}.part-btn{text-align:left;width:100%;color:var(--text);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:6px 10px;font-size:13px;transition:background .15s,border-color .15s}.part-btn:hover{background:var(--panel-2)}.part-btn.active{background:var(--panel-2);border:1px solid var(--accent);font-weight:600}.viewer-wrap{background:radial-gradient(ellipse at 50% 35%, #141a25 0%, var(--bg) 70%);min-width:0;position:relative}.viewer-wrap canvas{outline:none}.layers-panel{border:1px solid var(--border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#11151cd9;border-radius:12px;flex-direction:column;gap:5px;max-width:200px;padding:10px;display:flex;position:absolute;top:14px;left:14px;box-shadow:0 8px 24px #00000059}.layers-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:2px;font-size:11px}.layer-chip{border:1px solid var(--border);color:var(--text);cursor:pointer;text-align:left;background:0 0;border-radius:16px;align-items:center;gap:7px;padding:4px 10px;font-size:12px;transition:opacity .15s,border-color .15s;display:flex}.layer-chip:hover{border-color:var(--accent)}.layer-chip .eye{color:var(--accent);font-size:10px}.layer-chip.off{opacity:.45;text-decoration:line-through}.layer-chip.off .eye{color:var(--text-dim)}.car-map{border:1px solid var(--border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#11151cd9;border-radius:12px;width:210px;padding:10px 12px;position:absolute;top:14px;right:14px;box-shadow:0 8px 24px #00000059}.car-map-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:4px;font-size:11px}.car-map svg{width:100%;display:block}.car-body{fill:#1c222e;stroke:#39435a;stroke-width:1.5px}.car-glass{fill:#11151c;stroke:#2c3445;stroke-width:1px}.car-wheel{fill:#11151c;stroke:#39435a;stroke-width:1.5px}.car-hub{fill:#232a36}.car-ground{stroke:#232a36;stroke-width:1.5px;stroke-dasharray:4 4}.car-headlight{fill:#b3a04f;opacity:.85}.car-taillight{fill:#a04a44;opacity:.85}.map-label{letter-spacing:1px;fill:var(--text-dim);font-size:7px;font-weight:600}.map-span{stroke-width:3px;stroke-linecap:round;opacity:.55}.map-pulse{fill:none;stroke-width:1.5px;transform-box:fill-box;transform-origin:50%;animation:1.8s ease-out infinite map-pulse}@keyframes map-pulse{0%{opacity:.9;transform:scale(1)}to{opacity:0;transform:scale(3)}}.car-map-note{color:var(--text-dim);margin-top:4px;font-size:11px;line-height:1.4}.toolbar{flex-direction:column;align-items:center;gap:8px;max-width:calc(100% - 28px);display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.toolbar-note{border:1px solid var(--warn);color:var(--text);background:#11151cf2;border-radius:10px;max-width:480px;padding:8px 14px;font-size:12px;line-height:1.4}.toolbar-row{border:1px solid var(--border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#11151ce0;border-radius:14px;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;padding:9px 14px;display:flex;box-shadow:0 10px 28px #0006}.explode-ctl{color:var(--text-dim);align-items:center;gap:8px;font-size:12px;display:flex}.explode-ctl input[type=range]{appearance:none;background:var(--border);cursor:pointer;border-radius:2px;width:130px;height:4px}.explode-ctl input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent);border:2px solid #0b0e13;border-radius:50%;width:14px;height:14px;box-shadow:0 0 8px #4aa3ff99}.explode-ctl input[type=range]::-moz-range-thumb{background:var(--accent);border:2px solid #0b0e13;border-radius:50%;width:11px;height:11px;box-shadow:0 0 8px 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10px}.overview{color:#dde3ec}.specs{border-collapse:collapse;width:100%;font-size:12px}.specs td{border-bottom:1px solid var(--border);padding:5px 6px}.specs td:first-child{color:var(--text-dim)}.specs td:last-child{text-align:right;color:#dde3ec}.steps{flex-direction:column;gap:10px;margin:0;padding-left:20px;display:flex}.steps li::marker{color:var(--accent);font-weight:700}.bullets{flex-direction:column;gap:9px;margin:0;padding-left:18px;display:flex}.bullets.warn li::marker{color:var(--warn)}.bullets.ok li::marker{color:var(--ok)}.funfact{background:var(--panel-2);border:1px solid var(--border);border-left:3px solid #ffe14a;border-radius:10px;margin-top:18px;padding:11px 13px;font-size:12.5px;line-height:1.5}.ff-label{text-transform:uppercase;letter-spacing:1px;color:#ffe14a;margin-bottom:5px;font-size:11px;display:block}.info-body .hint{color:var(--text-dim);margin-top:14px;font-size:11.5px}.piece-card{border-top:1px solid var(--border);background:var(--panel-2);flex-shrink:0;padding:12px 18px 14px;animation:.22s card-in}@keyframes card-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.piece-card-head{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.piece-card-head strong{color:var(--accent);font-size:13px}.piece-card .close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;font-size:13px}.piece-card p{margin:0;font-size:12.5px;line-height:1.5}#ar-overlay{display:none}#ar-overlay.active{pointer-events:none;z-index:1000;display:block;position:fixed;inset:0}.ar-hint{color:#fff;text-align:center;background:#0b0e13cc;border-radius:12px;max-width:85%;padding:10px 18px;font-size:14px;position:absolute;top:24px;left:50%;transform:translate(-50%)}.ar-exit{pointer-events:auto;color:#fff;cursor:pointer;background:#0b0e13d9;border:1px solid #fff;border-radius:24px;padding:10px 26px;font-size:15px;position:absolute;bottom:28px;left:50%;transform:translate(-50%)}@media (width<=1100px){.layout{grid-template-columns:210px 1fr 300px}.subtitle{display:none}}@media (width<=860px){.layout{grid-template-rows:45vh auto auto;grid-template-columns:1fr;overflow-y:auto}.app{height:auto;min-height:100%}.viewer-wrap{order:1;height:45vh}.sidebar{border-right:none;border-top:1px solid var(--border);order:2;max-height:300px}.info-panel{border-left:none;border-top:1px solid var(--border);order:3}.layers-panel{max-width:150px;font-size:11px}.car-map{width:140px;padding:8px 9px}.car-map-note,.current-part{display:none}}