@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-ext-wght-normal-DjL33-gN.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-wght-normal-BEAKL7Jp.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-vietnamese-wght-normal-6IgcOCM7.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-ext-wght-normal-DC-KSUi6.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-wght-normal-BgDaEnEv.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color:#17232d;font-synthesis:none;--paper:#f7f9fa;--panel:#fff;--ink:#17232d;--muted:#687783;--faint:#8c99a3;--line:#d8e0e6;--line-strong:#c2cdd5;--accent:#2f6f9f;--accent-soft:#dceaf2;--error:#a9453e;--warning:#a36c25;--success:#3f7862;--mono:"Geist Mono", "SFMono-Regular", Consolas, monospace;background:#eef2f5;font-family:Geist Variable,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100%;margin:0}body{min-height:100dvh;overflow-x:hidden}button,input,select{font:inherit}button{color:inherit}button,label.button{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,select:focus-visible,label.button:focus-within{outline:2px solid var(--accent);outline-offset:2px}button:active:not(:disabled),label.button:active{transform:translateY(1px)}.recovery-screen{background:var(--paper);min-height:100dvh;padding:12vh clamp(24px,9vw,140px)}.route-loading{min-height:100dvh;color:var(--muted);background:var(--paper);font:10px var(--mono);letter-spacing:.08em;text-transform:uppercase;place-content:center;gap:12px;display:grid}.route-loading span{background:var(--accent);border-radius:50%;width:8px;height:8px;margin:auto;animation:1.2s infinite status-breathe}.recovery-screen>svg{color:var(--error);margin-bottom:28px}.recovery-screen h1{letter-spacing:-.055em;max-width:720px;margin:0;font-size:clamp(40px,6vw,76px);font-weight:580;line-height:.98}.recovery-screen>p:not(.eyebrow){max-width:570px;color:var(--muted);margin:24px 0;font-size:17px;line-height:1.55}.recovery-screen>div{gap:9px;display:flex}.button{border:1px solid var(--line-strong);background:var(--panel);cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:0 16px;font-size:13px;font-weight:620;transition:transform .16s,background .16s,border-color .16s;display:inline-flex}.button:hover{background:#f9fbfc;border-color:#9dabb5}.button.primary{color:#f8fbfd;border-color:var(--accent);background:var(--accent)}.button.primary:hover{background:#285f88}.button.small{min-height:34px;padding:0 12px;font-size:12px}.eyebrow{color:var(--accent);font-family:var(--mono);letter-spacing:.13em;margin:0 0 12px;font-size:11px;font-weight:650}.home-shell{background:var(--paper);min-height:100dvh;padding:0 clamp(22px,6vw,96px) 80px}.home-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:78px;display:flex}.brand{letter-spacing:-.02em;white-space:nowrap;align-items:center;gap:10px;font-weight:680;display:flex}.brand-mark{border:1px solid var(--line-strong);background:var(--panel);border-radius:7px;place-items:center;width:32px;height:32px;display:grid}.brand small{color:var(--faint);font-family:var(--mono);letter-spacing:.1em;margin-left:2px;font-size:9px}.lab-status{color:var(--muted);font-family:var(--mono);letter-spacing:.08em;align-items:center;gap:8px;font-size:10px;display:flex}.lab-status span{background:var(--success);border-radius:50%;width:7px;height:7px;animation:2.4s ease-in-out infinite status-breathe;box-shadow:0 0 0 4px #dce9e3}@keyframes status-breathe{50%{opacity:.55;transform:scale(.82)}}.home-intro{grid-template-columns:minmax(0,1.05fr) minmax(400px,.95fr);align-items:center;gap:clamp(50px,8vw,130px);max-width:1420px;min-height:560px;margin:0 auto;display:grid}.home-intro h1{letter-spacing:-.065em;max-width:740px;margin:0;font-size:clamp(48px,5.8vw,88px);font-weight:590;line-height:.94}.lede{max-width:590px;color:var(--muted);margin:28px 0 0;font-size:clamp(16px,1.4vw,20px);line-height:1.55}.hero-actions{gap:10px;margin-top:32px;display:flex}.blueprint{aspect-ratio:1.15;border:1px solid var(--line-strong);background:#e9f1f5;border-radius:14px;position:relative;overflow:hidden;box-shadow:0 24px 60px -42px #3c596b}.blueprint-grid{opacity:.55;background-image:linear-gradient(#aec2cf 1px,#0000 1px),linear-gradient(90deg,#aec2cf 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0}.blueprint:before,.blueprint:after{content:"";border:1px solid #8aa7b8;border-radius:50%;position:absolute}.blueprint:before{aspect-ratio:1;width:67%;top:11%;left:16%}.blueprint:after{aspect-ratio:1;width:43%;top:23%;left:28%}.blueprint p{color:#607c8d;font:10px var(--mono);letter-spacing:.12em;margin:0;position:absolute;bottom:13px;left:20px}.blueprint-robot{position:absolute;inset:0;transform:rotate(-13deg)}.bp-body{border:3px solid var(--accent);background:#ffffff59;width:42%;height:23%;position:absolute;top:40%;left:29%}.bp-wheel{border:3px solid #365b70;border-radius:22px;width:10%;height:32%;position:absolute;top:35.5%}.bp-wheel.left{left:20%}.bp-wheel.right{right:20%}.bp-sensor{aspect-ratio:1;border:3px solid var(--accent);width:9%;position:absolute;top:31%;left:45.5%}.home-section{border-top:1px solid var(--line);max-width:1420px;margin:54px auto 0;padding-top:34px}.section-heading{justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:24px;display:flex}.section-heading h2{letter-spacing:-.04em;margin:0;font-size:clamp(26px,3vw,40px);font-weight:570}.section-heading>p{max-width:420px;color:var(--muted);margin:0;line-height:1.5}.challenge-strip{border-top:1px solid var(--line)}.challenge-row{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:65px 1fr auto 36px;align-items:center;gap:18px;width:100%;min-height:92px;padding:14px 8px;transition:background .16s,padding .16s;display:grid}.challenge-row:hover{background:#edf3f6;padding-left:16px}.challenge-number{color:var(--accent);font:12px var(--mono)}.challenge-row strong,.saved-list strong{font-size:15px;display:block}.challenge-row small,.saved-list small{color:var(--muted);margin-top:5px;font-size:12px;display:block}.challenge-meta{color:var(--faint);font:10px var(--mono);letter-spacing:.08em}.library-actions{flex-wrap:wrap;gap:8px;display:flex}.challenge-complete{color:var(--success)}.empty-state{border:1px dashed var(--line-strong);min-height:128px;color:var(--muted);justify-content:center;align-items:center;gap:16px;display:flex}.empty-state strong{color:var(--ink)}.empty-state p{margin:4px 0 0}.saved-list{border-top:1px solid var(--line)}.saved-list button{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:32px 1fr 32px;align-items:center;width:100%;padding:16px 8px;display:grid}.saved-list button:hover{background:#edf3f6}.skeleton-list{gap:10px;display:grid}.skeleton-list span{background:linear-gradient(90deg,#e8edf0,#f6f8f9,#e8edf0) 0 0/200% 100%;height:64px;animation:1.5s infinite skeleton}@keyframes skeleton{to{background-position:-200% 0}}.app-shell{background:#edf1f4;grid-template-rows:58px minmax(0,1fr) 34px;height:100dvh;min-height:680px;display:grid;position:relative;overflow:hidden}.app-shell.simulation-mode{background:#d6e0e6;grid-template-rows:52px minmax(0,1fr) 48px}.topbar{border-bottom:1px solid var(--line);background:#fafcfdf2;grid-template-columns:42px auto minmax(150px,1fr) auto auto auto auto auto;align-items:center;gap:12px;padding:0 12px;display:grid}.topbar.simulation-topbar{background:#f7fafbf7;grid-template-columns:42px minmax(180px,1fr) auto;padding-right:16px}.simulation-topbar .project-title{border-left:0;margin-left:0;padding-left:0}.simulation-topbar .project-title input{width:100%}.revision-panel{z-index:20;border-left:1px solid var(--line-strong);background:#f8fafb;width:min(360px,100vw - 24px);padding:18px;position:absolute;top:58px;bottom:34px;right:0;overflow-y:auto;box-shadow:-18px 0 40px -34px #233d4c}.revision-panel>header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.revision-panel>header span{color:var(--accent);font:8px var(--mono);letter-spacing:.11em;margin-bottom:4px;display:block}.revision-panel>header strong{font-size:18px;font-weight:620}.revision-panel>p{color:var(--muted);margin:18px 0;font-size:11px;line-height:1.5}.revision-list{border-top:1px solid var(--line)}.revision-list>button{border:0;border-bottom:1px solid var(--line);width:100%;min-height:62px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;justify-content:space-between;align-items:center;gap:12px;padding:10px 4px;display:flex}.revision-list>button:hover{background:#edf3f6}.revision-list>button strong,.revision-list>button small{display:block}.revision-list>button strong{font-size:11px;font-weight:640}.revision-list>button small,.revision-list>button>span:last-child,.revision-loading{color:var(--muted);font:9px var(--mono)}.revision-list>button small{margin-top:4px}.revision-loading{padding:18px 4px;display:block}.topbar .brand-mark{width:28px;height:28px}.topbar .brand small{display:none}.home-button,.icon-button{border:1px solid var(--line);background:var(--panel);cursor:pointer;border-radius:6px;place-items:center;width:32px;height:32px;padding:0;display:inline-grid}.icon-button:hover,.home-button:hover{background:#f3f6f8;border-color:#a5b1ba}.icon-button:disabled{opacity:.35;cursor:not-allowed}.icon-button.active{color:var(--accent);background:var(--accent-soft)}.icon-button.danger{color:var(--error)}.project-title{border-left:1px solid var(--line);min-width:0;margin-left:12px;padding-left:18px}.project-title input{width:min(260px,100%);color:var(--ink);background:0 0;border:0;outline:0;padding:0;font-weight:630}.project-title span{color:var(--faint);font:9px var(--mono);text-transform:uppercase;letter-spacing:.09em;display:block}.level-picker{width:min(270px,100%);height:20px;color:var(--faint);font:9px var(--mono);text-transform:uppercase;letter-spacing:.07em;cursor:pointer;background:0 0;border:0;margin-top:1px;padding:0 20px 0 0;display:block}.save-state{color:var(--muted);font:10px var(--mono);text-transform:uppercase;align-items:center;gap:5px;display:flex}.save-state[data-state=error]{color:var(--error)}.history-controls,.mode-tabs{gap:4px;display:flex}.mode-tabs{border:1px solid var(--line);background:#edf1f4;border-radius:7px;height:34px;padding:3px}.mode-tabs button{min-width:63px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:4px;padding:0 12px;font-size:12px;font-weight:620}.mode-tabs button.active{color:var(--ink);background:var(--panel);box-shadow:0 1px 3px #364e5e1f}.run-button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:6px;justify-content:center;align-items:center;gap:7px;min-width:88px;height:34px;font-size:12px;font-weight:660;display:flex}.run-button.stop{color:var(--error);background:#fff7f6;border-color:#d9aaa6}.run-button:disabled{opacity:.4;cursor:not-allowed}.workspace{grid-template-columns:238px minmax(360px,1fr) 280px;min-height:0;display:grid}.simulation-mode .workspace{grid-template-columns:minmax(0,1fr)}.left-panel,.right-panel{background:var(--panel);flex-direction:column;min-height:0;display:flex;overflow:hidden}.left-panel{border-right:1px solid var(--line)}.right-panel{border-left:1px solid var(--line)}.panel-heading{border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.06em;justify-content:space-between;align-items:center;min-height:43px;padding:0 14px;font-size:11px;font-weight:650;display:flex}.panel-heading small{color:var(--faint);font:9px var(--mono)}.palette-scroll,.inspector-content{scrollbar-width:thin;scrollbar-color:#c5d0d8 transparent;min-height:0;overflow:auto}.simulation-guide{min-height:0;padding:22px 16px;overflow:auto}.simulation-guide h2{letter-spacing:-.035em;margin:0;font-size:20px;font-weight:590}.simulation-guide>p:not(.eyebrow){color:var(--muted);margin:10px 0 22px;font-size:11px;line-height:1.55}.simulation-guide dl{border-top:1px solid var(--line);margin:0}.simulation-guide dl div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:38px;display:flex}.simulation-guide dt{color:var(--muted);font-size:10px}.simulation-guide dd{color:var(--ink);font:10px var(--mono);margin:0}.simulation-guide section{background:#edf4f7;border:1px solid #bdd0db;border-radius:8px;margin-top:24px;padding:14px}.simulation-guide section span{color:var(--accent);font:8px var(--mono);letter-spacing:.1em;margin-bottom:6px;display:block}.simulation-guide section strong{font-size:12px}.simulation-guide section p{color:#61747f;margin:6px 0 0;font-size:10px;line-height:1.45}.simulation-guide section.manual-controls{background:#f7f9fa;border-color:#c8d2d9}.manual-controls label{grid-template-columns:1fr 78px 30px;align-items:center;gap:7px;margin-top:10px;display:grid}.manual-controls label strong,.manual-controls .key-axis strong{font-size:10px;font-weight:620}.manual-controls input[type=range]{width:78px;accent-color:var(--accent)}.manual-controls output{font:9px var(--mono)}.manual-controls>button{width:100%;min-height:34px;color:var(--ink);cursor:pointer;background:#fff;border:1px solid #a8bbc6;border-radius:5px;justify-content:space-between;align-items:center;margin-top:9px;font-size:10px;font-weight:650;display:flex}.manual-controls>button:active{color:#fff;background:var(--accent)}.manual-controls kbd{border:1px solid var(--line-strong);min-width:22px;font:9px var(--mono);text-align:center;background:#fff;border-radius:4px;padding:3px 5px}.manual-controls .key-axis{justify-content:space-between;align-items:center;margin:11px 0 0;display:flex}.manual-controls .key-axis span{color:var(--muted);font:9px var(--mono);align-items:center;gap:7px;display:flex}.quick-attach{z-index:4;background:#edf4f7;border:1px solid #b8cbd7;border-radius:9px;margin:10px;padding:13px;transition:border-color .16s,background .16s;position:sticky;top:10px;box-shadow:inset 0 1px #fffc}.quick-attach.active{border-color:var(--accent);background:#e7f1f6}.quick-attach-heading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.quick-attach-heading p{color:var(--accent);font:8px var(--mono);letter-spacing:.1em;margin:0 0 3px}.quick-attach-heading strong{font-size:13px;font-weight:670}.quick-attach-heading>span{color:#5e7482;font:10px var(--mono)}.quick-attach-heading>svg{color:#69808e}.placement-cancel{color:#526b79;cursor:pointer;background:#ffffffb3;border:1px solid #afc1cc;border-radius:6px;place-items:center;width:30px;height:30px;margin:-5px -5px 0 0;display:grid}.placement-cancel:hover{color:var(--ink);background:#fff}.axle-map{grid-template-columns:24px 1fr 24px;align-items:center;height:34px;margin:12px 0 10px;display:grid}.axle-map i{background:#d5e0e6;border:1px solid #8da2af;height:16px}.axle-map span{color:#6f818c;width:24px;height:28px;font:9px var(--mono);background:#f8fafb;border:1px dashed #8da2af;border-radius:8px;place-items:center;display:grid}.axle-map span.attached{border-style:solid;border-color:var(--accent);color:#fff;background:var(--accent)}.quick-attach-button{border:1px solid var(--accent);color:#fff;background:var(--accent);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;gap:7px;width:100%;min-height:34px;padding:0 10px;font-size:11px;font-weight:650;display:flex}.quick-attach-button:hover:not(:disabled){background:#285f88}.quick-attach-button:disabled{color:#405c6d;cursor:default;background:#dce7ed;border-color:#9badb8}.quick-attach-help{color:#61747f;min-height:30px;margin:8px 0 0;font-size:9px;line-height:1.45}.placement-steps{color:#536a78;border-top:1px solid #c6d8e2;grid-template-columns:28px 1fr;align-items:center;gap:6px 7px;margin-top:10px;padding-top:10px;font-size:9px;display:grid}.placement-steps span{color:var(--accent);font:8px var(--mono);letter-spacing:.05em}.palette-group{padding:12px 10px 4px}.palette-group h3{color:var(--faint);font:9px var(--mono);letter-spacing:.11em;text-transform:uppercase;margin:0 4px 7px}.palette-item{border:0;border-top:1px solid #0000;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;grid-template-columns:22px 1fr 17px;align-items:center;gap:9px;width:100%;min-height:62px;padding:9px 7px;display:grid}.palette-item:hover,.node-palette-item:hover{background:#edf3f6}.palette-item.active{color:#245e84;background:var(--accent-soft);border-color:#b8cbd7}.palette-item.active small{color:#526c7a}.palette-item:disabled{opacity:.45;cursor:default}.palette-item:disabled:hover{background:0 0}.palette-item strong{font-size:12px;font-weight:620;display:block}.palette-item small{color:var(--muted);margin-top:3px;font-size:10px;line-height:1.3;display:block}.part-swatch{background:#c3ced6;border:1px solid #84939e;width:15px;height:15px;display:block}.part-swatch.movement{background:var(--accent);border-radius:50%}.part-swatch.sensor{background:#527d91;transform:rotate(45deg)}.part-swatch.control{background:#334451}.attachment-status,.attachment-warning{align-items:center;gap:8px;margin:0;font-size:11px;line-height:1.4;display:flex}.attachment-status{color:var(--success)}.attachment-warning{color:var(--warning)}.attachment-status strong{color:var(--ink);text-transform:capitalize;font-weight:650}.node-palette-item{border:0;border-bottom:1px solid var(--line);cursor:pointer;text-align:left;background:0 0;justify-content:space-between;align-items:center;width:100%;height:34px;padding:0 8px;font-size:11px;display:flex}.hardware-channel-index{border-bottom:1px solid var(--line-strong);background:#f4f8fa;padding:14px 10px 12px}.hardware-channel-index h3{color:var(--accent);font:9px var(--mono);letter-spacing:.1em;text-transform:uppercase;margin:0}.hardware-channel-index>p{color:var(--muted);margin:6px 0 10px;font-size:10px;line-height:1.4}.hardware-channel-index>button{width:100%;min-height:32px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;border-top:1px solid #d9e2e7;justify-content:space-between;align-items:center;gap:8px;padding:6px 7px;display:flex}.hardware-channel-index>button:hover,.hardware-channel-index>button.active{background:#e5eef3}.hardware-channel-index>button span{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:10px;font-weight:620;overflow:hidden}.hardware-channel-index>button small,.hardware-channel-empty{color:var(--faint);font:8px var(--mono);text-transform:uppercase}.hardware-channel-empty{padding:8px 0 2px;display:block}.viewport{background:#e9eef2;min-width:0;min-height:0;position:relative;overflow:hidden}.viewport canvas{touch-action:none;display:block}.build-toolbar{z-index:5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fafcfdf0;border:1px solid #aebcc6e6;border-radius:8px;align-items:center;gap:4px;padding:5px;display:flex;position:absolute;top:14px;left:14px;box-shadow:0 12px 35px -28px #304f61}.build-toolbar button{height:31px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:5px;padding:0 9px;font-size:10px;font-weight:650}.build-toolbar button:hover{color:var(--ink);background:#eef3f6}.build-toolbar button.active{color:#245e84;background:var(--accent-soft);border-color:#a9c1cf}.build-toolbar kbd{color:inherit;font:9px var(--mono);margin-right:4px}.build-toolbar>span{color:var(--faint);font:8px var(--mono);letter-spacing:.04em;padding:0 7px}.placement-world-label{color:#fff;font:9px var(--mono);white-space:nowrap;background:#254250eb;border:1px solid;border-radius:5px;margin-top:-58px;padding:6px 9px;transform:translateZ(0);box-shadow:0 10px 24px -18px #203845}.placement-world-label.valid{border-color:#78a993}.placement-world-label.invalid{background:#773631f0;border-color:#d08d86}.center-of-mass-label{color:#6f481a;font:9px var(--mono);white-space:nowrap;background:#fffaeff0;border:1px solid #b98b4d;border-radius:4px;padding:5px 7px;box-shadow:0 8px 22px -18px #5e421e}.placement-port{background:var(--accent);cursor:pointer;border:2px solid #f8fbfd;border-radius:50%;width:24px;height:24px;padding:0;transition:transform .14s,background .14s;box-shadow:0 0 0 1px #245e84,0 5px 12px -8px #24485d}.placement-port:hover,.placement-port:focus-visible{background:#245e84;transform:scale(1.18)}.placement-port.occupied{background:var(--error);cursor:not-allowed;opacity:.72;border-color:#f5d8d5;box-shadow:0 0 0 1px #8c3832}.logic-empty{text-align:center;width:100%;height:100%;color:var(--muted);place-content:center;justify-items:center;display:grid}.unsupported-canvas{text-align:center;place-content:center;justify-items:center;width:100%;height:100%;padding:40px;display:grid}.unsupported-canvas strong{font-size:18px}.unsupported-canvas p{max-width:440px;color:var(--muted);line-height:1.5}.logic-empty h2{color:var(--ink);margin:13px 0 4px;font-size:20px;font-weight:560}.logic-empty p{margin:0;font-size:13px}.viewport-loading{width:100%;height:100%;color:var(--muted);font:10px var(--mono);letter-spacing:.08em;text-transform:uppercase;place-content:center;justify-items:center;gap:12px;display:grid}.viewport-loading span{background:var(--line);border-radius:2px;width:140px;height:4px;position:relative;overflow:hidden}.viewport-loading span:after{content:"";background:var(--accent);animation:1.1s ease-in-out infinite load-workspace;position:absolute;inset:0;transform:translate(-100%)}.simulation-error-panel{width:min(540px,100% - 40px);color:var(--error);background:#fff8f7;border:1px solid #d8aaa6;border-radius:8px;grid-template-columns:24px 1fr auto;align-items:center;gap:11px;padding:14px;display:grid;position:absolute;top:24px;left:50%;transform:translate(-50%);box-shadow:0 18px 45px -32px #6f3732}.simulation-error-panel strong{color:var(--ink);font-size:12px;display:block}.simulation-error-panel p{margin:3px 0 0;font-size:10px}.simulation-error-panel button{min-height:30px;color:var(--error);cursor:pointer;background:#fff;border:1px solid #d8aaa6;border-radius:5px;padding:0 10px;font-size:10px;font-weight:650}@keyframes load-workspace{to{transform:translate(100%)}}.logic-canvas-shell{width:100%;height:100%;position:relative}.hardware-lane{z-index:4;color:#516876;font:8px var(--mono);letter-spacing:.11em;pointer-events:none;background:#f9fbfcf0;border:1px solid #aebec8;border-radius:5px;padding:6px 9px;position:absolute;top:14px}.hardware-lane-sensors{left:14px}.hardware-lane-actuators{right:14px}.logic-wire-hint{z-index:4;color:#627782;font:9px var(--mono);pointer-events:none;position:absolute;top:15px;left:50%;transform:translate(-50%)}.rete-canvas{background-color:#e8edf1;background-image:radial-gradient(#b6c2ca 1px,#0000 1px);background-size:20px 20px;width:100%;height:100%}.rete-canvas [data-testid=node]{color:var(--ink)!important;background:#fbfcfdf7!important;border:1px solid #b6c3cc!important;border-radius:8px!important;box-shadow:0 12px 30px -24px #3c5869!important}.rete-canvas [data-testid=node].selected{border-color:var(--accent)!important}.rete-canvas [data-testid=title]{color:var(--ink)!important;font-family:Geist Variable,sans-serif!important;font-size:13px!important}.rete-canvas .input-title,.rete-canvas .output-title{color:#526873!important;font-family:var(--mono)!important;font-size:10px!important}.rete-canvas [data-testid$=socket] div[title]{background:var(--accent)!important;border-color:#245878!important}.rete-canvas [data-testid=connection] path{stroke:#6d8ea2!important;stroke-width:3px!important}.hardware-binding-card{background:#eef4f7;border:1px solid #b7c8d2;border-radius:7px;gap:5px;margin-bottom:18px;padding:12px;display:grid}.hardware-binding-card>span{color:var(--accent);font:8px var(--mono);letter-spacing:.1em}.hardware-binding-card>strong{font-size:12px}.hardware-binding-card>small{color:var(--muted);font-size:10px;line-height:1.4}.secondary-button{min-height:34px;color:var(--ink);cursor:pointer;background:#fff;border:1px solid #9fb3bf;border-radius:5px;margin-top:6px;font-size:10px;font-weight:650}.secondary-button:hover{border-color:var(--accent);color:var(--accent)}.inspector-content{padding:14px}.inspector-empty{color:var(--muted);text-align:center;flex:1;padding:36px 24px;font-size:12px;line-height:1.5}.inspector-title{justify-content:space-between;align-items:center;gap:11px;min-height:48px;margin-bottom:18px;display:flex}.inspector-title>span{width:28px;height:28px}.inspector-title>div{flex:1}.inspector-title p{color:var(--faint);font:9px var(--mono);letter-spacing:.1em;margin:0 0 3px}.inspector-title strong{text-transform:capitalize;font-size:14px}fieldset{border:0;border-top:1px solid var(--line);margin:0 0 18px;padding:14px 0 0}legend{color:var(--faint);font:9px var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:0}.vector-fields{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.vector-fields label{position:relative}.vector-fields span{color:var(--faint);font:9px var(--mono);position:absolute;top:9px;left:7px}.vector-fields input{border:1px solid var(--line);width:100%;height:34px;font:11px var(--mono);background:#f8fafb;border-radius:5px;padding:0 4px 0 20px}.field{gap:6px;margin-bottom:11px;display:grid}.field>span{color:var(--muted);text-transform:capitalize;font-size:10px}.field input:not([type=checkbox]),.field select{border:1px solid var(--line);width:100%;height:34px;color:var(--ink);background:#f8fafb;border-radius:5px;padding:0 8px;font-size:11px}.mass-fieldset{margin-top:4px}.mass-readout{border-top:1px solid var(--line);margin:4px 0 10px}.mass-readout>div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;min-height:32px;padding:6px 0;display:flex}.mass-readout span{color:var(--muted);font-size:9px}.mass-readout strong{color:var(--ink);font:10px var(--mono);font-variant-numeric:tabular-nums;text-align:right}.mass-fieldset .muted-copy{line-height:1.45}.muted-copy{color:var(--faint);margin:0;font-size:11px}.connection-list{gap:5px;display:grid}.connection-list>div{border:1px solid var(--line);min-height:34px;color:var(--muted);background:#f8fafb;border-radius:5px;justify-content:space-between;align-items:center;padding:5px 5px 5px 8px;font-size:9px;display:flex}.connection-list strong{color:var(--ink);text-transform:capitalize;font-size:10px;display:block}.connection-list .icon-button{width:24px;height:24px}.validation-panel{border-top:1px solid var(--line);background:#fafcfd;max-height:235px;margin-top:auto;padding:13px 14px;overflow:auto}.validation-panel h3{font:10px var(--mono);text-transform:uppercase;letter-spacing:.08em;justify-content:space-between;margin:0 0 9px;display:flex}.validation-panel h3 span{color:var(--faint)}.validation-panel p{color:var(--muted);align-items:flex-start;gap:7px;margin:0 0 6px;font-size:10px;line-height:1.35;display:flex}.validation-panel p svg{flex:none}.validation-panel p.error{color:var(--error)}.validation-panel p.warning{color:var(--warning)}.validation-panel p.validation-ok{color:var(--success)}.statusbar{border-top:1px solid var(--line);background:#f8fafb;justify-content:space-between;align-items:center;padding:0 10px;display:flex}.statusbar.simulation-hud{background:#f8fafbfa;border-color:#c2ced5;gap:12px;min-width:0;padding:0 12px}.status-left,.sim-controls{align-items:center;gap:15px;display:flex}.simulation-status{text-transform:uppercase;gap:12px;min-width:0}.simulation-status span:last-child{text-overflow:ellipsis;white-space:nowrap;max-width:180px;overflow:hidden}.status-left>span{color:var(--muted);font:9px var(--mono);letter-spacing:.05em}.status-dot{background:var(--success);border-radius:50%;width:6px;height:6px;margin-right:4px;display:inline-block}.status-dot.paused{background:var(--warning)}.sim-controls{gap:5px}.statusbar .icon-button{width:25px;height:24px}.statusbar select{border:1px solid var(--line);height:24px;font:9px var(--mono);background:#fff;border-radius:4px}.camera-mode-controls{border:1px solid var(--line);background:#edf1f4;border-radius:5px;height:25px;padding:2px;display:flex}.camera-mode-controls button{min-width:48px;color:var(--muted);font:8px var(--mono);text-transform:uppercase;cursor:pointer;background:0 0;border:0;border-radius:3px;padding:0 7px}.camera-mode-controls button.active{color:var(--ink);background:#fff;box-shadow:0 1px 3px #364e5e24}.simulation-manual-controls{justify-content:center;align-items:center;gap:9px;min-width:0;display:flex}.pilot-controls-label{color:var(--faint);font:8px var(--mono);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.simulation-manual-controls label{grid-template-columns:auto minmax(70px,130px) 30px;margin:0}.simulation-manual-controls button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:4px;height:25px;padding:0 8px;font-size:9px}.simulation-manual-controls .key-axis{color:var(--muted);font:9px var(--mono);align-items:center;gap:7px;margin:0;display:flex}.simulation-manual-controls .key-axis>span{align-items:center;gap:5px;display:flex}.simulation-mode .tutorial-panel{width:min(360px,100vw - 36px);bottom:66px;left:18px}.tutorial-panel{background:#fafdfef5;border:1px solid #a7bdca;border-radius:9px;width:min(360px,100vw - 570px);padding:17px 18px;position:absolute;bottom:52px;left:258px;box-shadow:0 18px 50px -30px #24495e}.tutorial-index{color:var(--accent);font:9px var(--mono);letter-spacing:.09em;margin-bottom:7px;display:block}.tutorial-panel strong{font-size:13px;line-height:1.4;display:block}.tutorial-panel>p{color:var(--muted);margin:7px 0 0;font-size:11px;line-height:1.45}.tutorial-panel>small{color:var(--accent);margin-top:7px;font-size:9px;line-height:1.4;display:block}.tutorial-panel div{gap:12px;margin-top:12px;display:flex}.tutorial-panel button{color:var(--accent);cursor:pointer;background:0 0;border:0;padding:0;font-size:11px;font-weight:650}.result-panel{text-align:center;background:#fafdfef7;border:1px solid #8aa9ba;border-radius:10px;width:280px;padding:25px;position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);box-shadow:0 30px 80px -42px #294d60}.result-panel span{color:var(--success);font:10px var(--mono);letter-spacing:.12em;display:block}.result-panel strong{font:54px/1 var(--mono);margin-top:14px;font-weight:500;display:block}.result-panel small{color:var(--faint);font:9px var(--mono)}.result-panel button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:5px;width:100%;height:36px;margin-top:20px;font-size:12px}.performance-overlay{color:#526976;font:9px/1.4 var(--mono);letter-spacing:.05em;pointer-events:none;background:#f8fbfce0;border:1px solid #98abb8b3;border-radius:6px;gap:3px;padding:10px 12px;display:grid;position:absolute;top:14px;left:14px}.simulation-debug-panel{z-index:8;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f8fbfcf0;border:1px solid #8fa3afcc;border-radius:7px;width:min(310px,100% - 28px);max-height:calc(100% - 28px);position:absolute;top:14px;right:14px;overflow:auto;box-shadow:0 18px 48px -36px #18394b}.simulation-debug-panel .performance-overlay{border:0;border-bottom:1px solid var(--line);background:0 0;border-radius:0;grid-template-columns:repeat(2,1fr);position:static}.simulation-debug-panel .telemetry-inspector{max-height:420px;padding:12px}.telemetry-inspector{display:block}.runtime-error{color:var(--error);background:#fff8f7;border:1px solid #d8aaa6;gap:8px;margin:0 0 14px;padding:10px;font-size:10px;line-height:1.45;display:flex}.telemetry-metric{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:12px;padding:11px 0;display:flex}.telemetry-metric span,.telemetry-row span{color:var(--muted);font-size:10px}.telemetry-metric strong,.telemetry-row strong{font:11px var(--mono)}.telemetry-row{border-bottom:1px solid #edf1f4;justify-content:space-between;gap:12px;margin:0;padding:6px 0;display:flex}@media (max-width:1050px){.workspace{grid-template-columns:210px minmax(320px,1fr) 245px}.topbar .brand{display:none}.topbar{grid-template-columns:42px minmax(130px,1fr) auto auto auto auto auto}.tutorial-panel{left:228px}}@media (max-width:900px){.home-intro{grid-template-columns:1fr;padding:70px 0}.blueprint{width:100%;max-width:600px}.section-heading{flex-direction:column;align-items:flex-start}.challenge-meta{display:none}.challenge-row{grid-template-columns:48px 1fr 32px}.app-shell:after{content:"Robot Foundry’s construction editor needs a desktop window at least 900 px wide.";z-index:20;background:var(--paper);color:var(--ink);text-align:center;place-content:center;padding:32px;font-size:18px;display:grid;position:fixed;inset:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.level-editor-shell{background:#e8edf1;grid-template:54px minmax(0,1fr)/220px minmax(480px,1fr) 310px;min-width:1000px;height:100dvh;display:grid;overflow:hidden}.level-editor-shell>header{border-bottom:1px solid var(--line);background:#f9fbfc;grid-column:1/-1;align-items:center;gap:10px;padding:0 12px;display:flex}.level-editor-shell>header a{color:var(--ink);margin-right:14px;font-weight:680;text-decoration:none}.level-editor-shell>header span{color:var(--faint);font:9px var(--mono);letter-spacing:.1em;flex:1}.level-editor-shell>header button,.level-inspector button,.add-level-object{border:1px solid var(--line-strong);cursor:pointer;background:#fff;border-radius:5px;min-height:32px;padding:0 11px;font-size:10px;font-weight:650}.level-list,.level-inspector{background:#fff;min-height:0;padding:14px;overflow:auto}.level-list{border-right:1px solid var(--line)}.level-inspector{border-left:1px solid var(--line)}.level-list>p,.level-inspector>p,.level-inspector>div+p{color:var(--faint);font:9px var(--mono);letter-spacing:.1em;margin:0 0 10px}.level-list>button:not(.add-level-object),.level-object-list button{border:0;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;align-items:center;gap:9px;width:100%;min-height:42px;padding:7px;font-size:10px;display:flex}.level-list>button.active,.level-object-list button.active{color:#245e84;background:var(--accent-soft)}.level-list>button span,.level-object-list button span{color:var(--faint);font:8px var(--mono);text-transform:uppercase}.add-level-object{width:100%;margin-top:14px}.level-preview{min-width:0;min-height:0;position:relative}.level-preview-caption{border:1px solid var(--line-strong);color:var(--faint);font:8px var(--mono);background:#ffffffe6;border-radius:5px;gap:12px;padding:8px 10px;display:flex;position:absolute;bottom:14px;left:14px}.level-inspector label{color:var(--muted);gap:5px;margin-bottom:10px;font-size:9px;display:grid}.level-inspector input{border:1px solid var(--line);width:100%;height:32px;color:var(--ink);font:10px var(--mono);background:#f8fafb;border-radius:4px;padding:0 7px}.level-inspector fieldset{border:1px solid var(--line);margin:13px 0;padding:9px}.level-inspector legend{color:var(--faint);font:8px var(--mono);text-transform:uppercase}.level-vector{grid-template-columns:repeat(3,1fr);gap:5px;display:grid}.level-object-list{margin-bottom:14px}.level-object-editor{border-top:1px solid var(--line);padding-top:14px}.level-object-editor button.danger{width:100%;color:var(--error);border-color:#d8aaa6}