/* GFE Label Studio */
:root{--ink:#1f2a23;--mut:#66726a;--line:#e3e9e4;--bg:#f4f6f3;--panel:#ffffff;--grn:#3d5c49;--sage:#57816b;--mint:#e3f1e7;--gold:#c9a45c;--sel:#2f6b4c;--r:12px;--sh:0 10px 30px rgba(20,32,25,.10)}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:Inter,"DM Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased;overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.ls{display:grid;grid-template-rows:56px 1fr;height:100dvh}
.ls-top{display:flex;align-items:center;gap:10px;padding:0 14px;background:#fff;border-bottom:1px solid var(--line);min-width:0}
.ls-brand{display:flex;align-items:center;gap:9px;font-weight:650;letter-spacing:-.01em;white-space:nowrap;color:var(--ink);text-decoration:none}
.ls-brand i{width:28px;height:28px;border-radius:8px;background:linear-gradient(140deg,#57816b,#26332c);display:grid;place-items:center;color:#fff;font-style:normal;font-size:13px}
.ls-name{border:1px solid transparent;border-radius:8px;padding:6px 8px;min-width:80px;max-width:260px;font-weight:550;background:transparent}
.ls-name:hover,.ls-name:focus{border-color:var(--line);outline:none;background:#fafbfa}
.ls-sp{flex:1}
.ls-saved{font-size:12px;color:var(--mut);white-space:nowrap}
.ls-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;font-weight:550;font-size:13px;white-space:nowrap;line-height:1}
.ls-btn:hover{border-color:#c9d5cc;background:#fafcfa}
.ls-btn.pri{background:var(--grn);border-color:var(--grn);color:#fff}.ls-btn.pri:hover{background:#2f4a3a}
.ls-btn.ai{background:linear-gradient(120deg,#26332c,#3d5c49 55%,#7a6a3a);color:#fff;border:0;box-shadow:0 6px 18px rgba(61,92,73,.3)}
.ls-btn.ico{padding:8px;width:34px;justify-content:center}
.ls-btn:disabled{opacity:.4;cursor:default}
.ls-body{display:grid;grid-template-columns:76px 300px 1fr 380px;min-height:0}
.ls-body.no3d{grid-template-columns:76px 300px 1fr 0}
.ls-body.nopanel{grid-template-columns:76px 0 1fr 380px}
.ls-body.nopanel.no3d{grid-template-columns:76px 0 1fr 0}
.ls-rail{background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:stretch;padding:8px 6px;gap:2px;overflow-y:auto}
.ls-rail button{border:0;background:transparent;border-radius:10px;padding:9px 2px 7px;display:flex;flex-direction:column;align-items:center;gap:5px;font-size:10.5px;color:var(--mut);font-weight:550}
.ls-rail button svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6}
.ls-rail button:hover{background:#f3f6f3;color:var(--ink)}
.ls-rail button[aria-selected=true]{background:var(--mint);color:var(--grn)}
.ls-rail button.ai-tab{color:#7a6a3a}.ls-rail button.ai-tab[aria-selected=true]{background:linear-gradient(140deg,#efe6cf,#e3f1e7);color:#3d5c49}
.ls-panel{background:#fff;border-right:1px solid var(--line);overflow-y:auto;overflow-x:hidden;min-width:0}
.ls-panel .in{padding:16px 16px 40px}
.ls-panel h3{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin:18px 0 8px;font-weight:650}
.ls-panel h3:first-child{margin-top:2px}
.ls-panel h2{font-size:17px;margin:0 0 4px;letter-spacing:-.01em}
.ls-panel p.sub{color:var(--mut);margin:0 0 12px;font-size:13px;line-height:1.5}
.ls-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ls-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.ls-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.ls-tile{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px;text-align:center;font-size:12px;color:var(--ink);display:flex;flex-direction:column;align-items:center;gap:6px;min-height:58px;justify-content:center}
.ls-tile:hover{border-color:var(--sage);box-shadow:0 4px 12px rgba(61,92,73,.1)}
.ls-tile.on{border-color:var(--grn);box-shadow:0 0 0 2px rgba(61,92,73,.25)}
.ls-tile img,.ls-tile canvas{max-width:100%;border-radius:6px;display:block}
.ls-tile svg{width:30px;height:30px}
.ls-tpl{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#f7f8f6;padding:6px;display:block;width:100%}
.ls-tpl:hover{border-color:var(--sage)}
.ls-tpl canvas{width:100%;height:auto;display:block;border-radius:6px;background:#fff}
.ls-tpl small{display:block;margin-top:5px;font-size:11px;color:var(--mut);text-align:left}
.ls-sw{display:flex;flex-wrap:wrap;gap:6px}
.ls-sw button{width:28px;height:28px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line);padding:0}
.ls-sw button:hover{transform:scale(1.08)}
.ls-pal{display:flex;border-radius:8px;overflow:hidden;height:26px;border:1px solid var(--line);width:100%;padding:0;background:none}
.ls-pal span{flex:1}
.ls-field{display:grid;gap:5px;margin-bottom:10px}
.ls-field label{font-size:12px;color:var(--mut);font-weight:550}
.ls-in{width:100%;border:1px solid var(--line);border-radius:9px;padding:8px 10px;background:#fff;min-height:36px}
.ls-in:focus{outline:2px solid rgba(61,92,73,.25);border-color:var(--sage)}
textarea.ls-in{min-height:70px;resize:vertical;line-height:1.45}
.ls-row{display:flex;gap:8px;align-items:center}
.ls-row>*{min-width:0}
.ls-range{display:grid;grid-template-columns:86px 1fr 46px;gap:8px;align-items:center;font-size:12px;color:var(--mut);margin:6px 0}
.ls-range input[type=range]{width:100%;accent-color:var(--grn)}
.ls-range input[type=number]{width:46px;border:1px solid var(--line);border-radius:6px;padding:3px 4px;font-size:12px}
.ls-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:6px 11px;font-size:12.5px;background:#fff;margin:0 6px 6px 0}
.ls-chip:hover{border-color:var(--sage)}
.ls-chip.on{background:var(--mint);border-color:var(--sage);color:var(--grn)}
.ls-check{display:flex;gap:9px;align-items:flex-start;padding:9px 10px;border-radius:10px;background:#f6f9f6;margin-bottom:6px;font-size:12.5px;line-height:1.45}
.ls-check b{display:block;font-weight:600}
.ls-check .d{width:10px;height:10px;border-radius:50%;margin-top:4px;flex:none}
.ls-check.ok .d{background:#5aa36f}.ls-check.warn .d{background:#d9a441}.ls-check.bad .d{background:#c8553d}
.ls-layer{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:9px;border:1px solid transparent;font-size:12.5px;cursor:pointer}
.ls-layer:hover{background:#f6f8f6}.ls-layer.on{border-color:var(--sage);background:var(--mint)}
.ls-layer .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ls-layer button{border:0;background:none;padding:2px 4px;color:var(--mut);font-size:13px}
.ls-stagewrap{position:relative;min-width:0;min-height:0;display:flex;flex-direction:column;background:#eceeea}
.ls-ctx{display:flex;align-items:center;gap:6px;padding:8px 12px;background:#fff;border-bottom:1px solid var(--line);min-height:52px;overflow-x:auto;scrollbar-width:thin}
.ls-ctx .grp{display:flex;align-items:center;gap:4px;padding-right:8px;margin-right:2px;border-right:1px solid var(--line)}
.ls-ctx .grp:last-child{border-right:0}
.ls-ctx select,.ls-ctx input[type=number]{border:1px solid var(--line);border-radius:8px;padding:6px 6px;background:#fff;font-size:13px}
.ls-ctx select.font{width:160px}
.ls-ctx input[type=number]{width:62px}
.ls-ctx .tb{border:1px solid transparent;background:transparent;border-radius:8px;width:32px;height:32px;display:grid;place-items:center;font-weight:700}
.ls-ctx .tb:hover{background:#f2f5f2}.ls-ctx .tb.on{background:var(--mint);color:var(--grn);border-color:#cfe0d4}
.ls-ctx .tb svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7}
.ls-color{width:32px;height:32px;border-radius:8px;border:1px solid var(--line);padding:3px;background:#fff;position:relative;overflow:hidden}
.ls-color input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.ls-color span{display:block;width:100%;height:100%;border-radius:5px}
.ls-ctx .hint{color:var(--mut);font-size:12.5px;white-space:nowrap}
.ls-stage{position:relative;flex:1;min-height:0}
.ls-stage canvas{outline:none}
.ls-zoom{position:absolute;right:12px;bottom:12px;display:flex;gap:4px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:4px;box-shadow:var(--sh);font-size:12px;z-index:3}
.ls-zoom button{border:0;background:none;width:28px;height:28px;border-radius:7px;font-size:16px}
.ls-zoom button:hover{background:#f2f5f2}
.ls-dims{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:12px;color:var(--mut);z-index:3}
.ls-3d{background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;min-width:0;min-height:0}
.ls-3dview{position:relative;flex:1;min-height:260px;background:radial-gradient(120% 90% at 50% 30%,#ffffff 0,#eef2ee 60%,#e2e8e3 100%)}
.ls-3dview.scene-sage{background:radial-gradient(120% 90% at 50% 30%,#eef5ef 0,#d6e6da 70%,#bfd5c5 100%)}
.ls-3dview.scene-sand{background:radial-gradient(120% 90% at 50% 30%,#fbf6ee 0,#efe3cf 70%,#e2d1b5 100%)}
.ls-3dview.scene-night{background:radial-gradient(120% 90% at 50% 30%,#3a4a40 0,#232d27 70%,#161c18 100%)}
.ls-3dview.scene-marble{background:linear-gradient(180deg,#f7f7f5 0 62%,transparent 62%),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.012 .03' numOctaves='4' seed='3'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .56 0 0 0 0 .55 0 0 0 -2.2 1.35'/%3E%3C/filter%3E%3Crect width='400' height='200' fill='%23ecebe7'/%3E%3Crect width='400' height='200' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E") bottom/cover}
.ls-3dview .ld{position:absolute;inset:0;display:grid;place-items:center;color:var(--mut);font-size:13px}
.ls-3dbar{padding:12px 14px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr);gap:10px;max-height:46%;overflow-y:auto;overflow-x:hidden}
.ls-3dbar>*{min-width:0}.ls-3dbar .ls-row{flex-wrap:wrap}
.ls-3dbar .k{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:650;margin-bottom:5px}
.ls-seg{display:flex;flex-wrap:wrap;gap:5px}
.ls-seg button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 9px;font-size:12px}
.ls-seg button.on{background:var(--mint);border-color:var(--sage);color:var(--grn);font-weight:600}
.ls-3dtools{position:absolute;top:10px;left:10px;right:10px;display:flex;gap:6px;justify-content:space-between;z-index:2}
.ls-3dtools .pill{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:550}
/* AI */
.ls-ai{display:grid;gap:12px}
.ls-ai .hero{border-radius:14px;padding:16px;background:radial-gradient(120% 120% at 0% 0%,#efe6cf 0,#e3f1e7 55%,#dbe8ef 100%);position:relative;overflow:hidden}
.ls-ai .hero::after{content:"";position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent,rgba(255,255,255,.35),transparent 30%);animation:lsspin 9s linear infinite;pointer-events:none}
@keyframes lsspin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.ls-ai .hero::after{animation:none}}
.ls-ai .hero b{display:block;font-size:16px;margin-bottom:4px;position:relative;z-index:1}
.ls-ai .hero p{margin:0;font-size:12.5px;color:#4d5a52;line-height:1.5;position:relative;z-index:1}
.ls-ai textarea{min-height:96px}
.ls-dirs{display:grid;gap:10px}
.ls-dir{border:1px solid var(--line);border-radius:12px;padding:8px;background:#fafbfa;display:grid;gap:6px;text-align:left}
.ls-dir:hover{border-color:var(--sage);box-shadow:0 6px 16px rgba(61,92,73,.12)}
.ls-dir canvas{width:100%;height:auto;border-radius:8px;background:#fff;display:block}
.ls-dir b{font-size:13px}.ls-dir small{color:var(--mut);font-size:12px;line-height:1.45}
.ls-chat{display:grid;gap:8px;max-height:280px;overflow-y:auto;padding:2px}
.ls-msg{padding:9px 11px;border-radius:12px;font-size:13px;line-height:1.5;max-width:92%}
.ls-msg.u{background:var(--grn);color:#fff;justify-self:end;border-bottom-right-radius:4px}
.ls-msg.a{background:#f1f5f1;justify-self:start;border-bottom-left-radius:4px}
.ls-think{display:flex;gap:4px;padding:10px}.ls-think i{width:7px;height:7px;border-radius:50%;background:var(--sage);animation:lsdot 1s infinite}.ls-think i:nth-child(2){animation-delay:.15s}.ls-think i:nth-child(3){animation-delay:.3s}
@keyframes lsdot{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.ls-credits{font-size:12px;color:var(--mut)}
/* menus, toasts, modals */
.ls-menu{position:fixed;z-index:50;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 50px rgba(20,32,25,.18);padding:6px;min-width:250px}
.ls-menu button{display:flex;flex-direction:column;align-items:flex-start;width:100%;border:0;background:none;border-radius:8px;padding:9px 10px;text-align:left;gap:2px}
.ls-menu button:hover{background:#f3f6f3}
.ls-menu button small{color:var(--mut);font-size:11.5px}
.ls-menu button .lock{font-size:10px;letter-spacing:.06em;color:#7a6a3a;background:#f4ecd8;border-radius:999px;padding:2px 7px;margin-left:6px}
.ls-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1f2a23;color:#fff;padding:10px 16px;border-radius:12px;font-size:13px;z-index:60;box-shadow:var(--sh);max-width:90vw}
.ls-veil{position:fixed;inset:0;background:rgba(20,28,23,.5);z-index:70;display:grid;place-items:center;padding:16px}
.ls-modal{background:#fff;border-radius:16px;padding:22px;width:min(520px,100%);max-height:90vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.ls-modal h2{margin:0 0 8px;font-size:20px}
.ls-modal p{color:var(--mut);line-height:1.55;margin:0 0 14px}
.ls-modal .acts{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}
.ls-note{font-size:11.5px;color:var(--mut);line-height:1.5;margin-top:10px}
.ls-mob{display:none}
/* responsive */
@media (max-width:1180px){.ls-body{grid-template-columns:70px 280px 1fr 320px}}
@media (max-width:980px){.ls-body,.ls-body.no3d,.ls-body.nopanel,.ls-body.nopanel.no3d{grid-template-columns:70px 1fr}.ls-panel{position:fixed;left:70px;top:56px;bottom:0;width:min(320px,calc(100vw - 70px));z-index:20;box-shadow:var(--sh)}.ls-body.nopanel .ls-panel{display:none}.ls-3d{position:fixed;right:0;top:56px;bottom:0;width:min(380px,100vw);z-index:25;box-shadow:var(--sh)}.ls-body.no3d .ls-3d{display:none}}
@media (max-width:640px){
 .ls{grid-template-rows:52px 1fr 62px}
 .ls-top{padding:0 8px;gap:6px}.ls-brand span,.ls-saved,.ls-hide-sm,.ls-name{display:none}.ls-top .ls-btn{padding:0 10px;min-width:40px}.ls-top .ls-sp{flex:1}
 .ls-body,.ls-body.no3d,.ls-body.nopanel,.ls-body.nopanel.no3d{grid-template-columns:1fr}
 .ls-rail{position:fixed;left:0;right:0;bottom:0;height:62px;flex-direction:row;border-right:0;border-top:1px solid var(--line);padding:4px;z-index:30;overflow-x:auto;justify-content:space-between}
 .ls-rail button{min-width:58px;padding:6px 2px;font-size:10px}
 .ls-panel{left:0;top:auto;bottom:62px;width:100%;height:56vh;border-radius:16px 16px 0 0;border:1px solid var(--line)}
 .ls-3d{top:52px;bottom:62px;width:100%}
 .ls-ctx{min-height:48px;padding:6px 8px}
 .ls-ctx select.font{width:120px}
}

/* tour launcher sits over the stage, clear of the panels */
body:has(.ls) .gt-fab{left:auto;right:396px;bottom:64px}
body:has(.ls-body.no3d) .gt-fab{right:16px}
@media (max-width:980px){body:has(.ls) .gt-fab{right:12px;bottom:78px}}
@media (max-width:640px){body:has(.ls-body:not(.nopanel)) .gt-fab,body:has(.ls-body:not(.no3d)) .gt-fab{display:none}}
@media (max-width:640px){.ls-dims{display:none}.ls-ctx .hint{white-space:normal;font-size:12px;line-height:1.35}body:has(.ls) .gt-fab{bottom:128px}}