:root{--bg:#eef1f5;--panel:#f7f8fa;--line:#c9d1db;--line2:#dfe4ea;--ink:#1d2733;--mut:#5d6b7c;--acc:#1d5fa8;--acc2:#e8761c;--ok:#1f9d55;--bad:#c0392b;--hl:#ffe9b3;
  --f:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"SF Mono",Consolas,Menlo,monospace}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:13px/1.35 var(--f);overflow:hidden}
button{font:inherit;color:inherit}
[hidden]{display:none!important}
#app{display:flex;flex-direction:column;height:100vh;height:100dvh;padding-bottom:env(safe-area-inset-bottom)}
#titlebar{height:38px;flex:none}#tabs{height:30px;flex:none}#ribbon{height:96px;flex:none}#status{height:26px;flex:none}main{flex:1}
/* barra de título */
#titlebar{display:flex;align-items:center;gap:10px;background:#1b2a3c;color:#e9eef5;padding:0 10px 0 0}
.appbtn{height:100%;padding:0 18px;border:0;background:var(--acc);color:#fff;font-weight:600;cursor:pointer}
.appbtn:hover{background:#2470c4}
.qa{display:flex;gap:2px}.qa button{width:28px;height:28px;border:0;background:transparent;color:#cfd8e3;border-radius:4px;cursor:pointer;padding:4px}.qa button:hover{background:#2b3e55}
.qa svg{width:20px;height:20px}
.ttl{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;color:#aebccc}
.ttl input{background:transparent;border:1px solid transparent;color:#fff;font:600 13px var(--f);text-align:right;width:150px;padding:2px 4px;border-radius:3px}
.ttl input:hover,.ttl input:focus{border-color:#4a6585;outline:0}
.brand{font-weight:700;letter-spacing:.02em}.brand em{font-style:normal;font-weight:400;color:#9fb0c3}
.pill{border:1px solid #4a6585;background:transparent;color:#e9eef5;border-radius:14px;padding:4px 12px;cursor:pointer}.pill.on,.pill:hover{background:var(--acc2);border-color:var(--acc2);color:#fff}
#filemenu{position:absolute;top:38px;left:0;z-index:60;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.18);min-width:240px;padding:6px 0}
#filemenu button{display:block;width:100%;text-align:left;border:0;background:none;padding:8px 18px;cursor:pointer}#filemenu button:hover{background:#e8f0fa}
#filemenu hr{border:0;border-top:1px solid var(--line2);margin:4px 0}
/* pestañas y cinta */
#tabs{display:flex;align-items:flex-end;gap:2px;background:#dfe5ec;padding:0 8px;border-bottom:1px solid var(--line)}
.tab{border:1px solid transparent;border-bottom:0;background:none;padding:5px 16px;cursor:pointer;border-radius:4px 4px 0 0;color:#2d3b4b}
.tab.on{background:#fff;border-color:var(--line);font-weight:600;margin-bottom:-1px}
.tab.ctx{color:#fff;background:var(--acc2)}.tab.ctx.on{background:#fff;color:var(--acc2)}
#ribbon{background:#fff;border-bottom:1px solid var(--line);padding:4px 6px;overflow-x:auto;overflow-y:hidden}
.panel{display:flex;height:100%}
.grp{display:flex;flex-direction:column;padding:0 6px;border-right:1px solid var(--line2)}
.grp>.btns{flex:1;display:flex;gap:2px;align-items:stretch}
.grp>label{font-size:11px;color:var(--mut);text-align:center;padding-top:2px}
.col{display:flex;flex-direction:column;gap:2px;justify-content:center}
.big,.sm{border:1px solid transparent;background:none;border-radius:4px;cursor:pointer;color:#203040}
.big{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:3px;width:78px;padding:4px 2px;font-size:11.5px;line-height:1.15;text-align:center}
.big .ic svg{width:30px;height:30px}
.sm{display:flex;align-items:center;gap:6px;padding:3px 8px;font-size:12px;white-space:nowrap}
.sm .ic svg{width:20px;height:20px}
.big:hover,.sm:hover{background:#e8f0fa;border-color:#b9d0ea}
.big.on,.sm.on{background:#d5e5f7;border-color:#7fa9d8}
.big.ok .ic{color:var(--ok)}
.hint{animation:hintp 1.4s ease-in-out infinite}
@keyframes hintp{0%,100%{box-shadow:0 0 0 0 rgba(232,118,28,.0)}50%{box-shadow:0 0 0 3px rgba(232,118,28,.65);background:#fff3e6}}
.snap{display:flex;align-items:center;gap:6px;font-size:12px;padding:8px 6px}.snap select{font:inherit;padding:3px}
/* barra de pasos */
#stepbar{display:flex;align-items:center;gap:6px;background:#fdf6ee;border-bottom:1px solid #efd8bd;padding:5px 12px}
#stepbar .sname{font-weight:700;margin-right:8px}
#stepbar .st{display:flex;align-items:center;gap:6px;padding:3px 10px;border:1px solid #e6c9a6;border-radius:14px;background:#fff;color:#8a6a45;font-size:12px}
#stepbar .st.now{background:var(--acc2);border-color:var(--acc2);color:#fff;font-weight:600}
#stepbar .st.done{background:#e9f6ee;border-color:#a6d8b8;color:var(--ok)}
/* zona principal */
main{display:grid;grid-template-columns:250px 1fr auto;min-height:0;flex:1}
#pathfinder{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.phead{padding:7px 10px;font-weight:700;border-bottom:1px solid var(--line);background:#e9edf2}
#tree{flex:1;overflow:auto;padding:4px 0}
.ti{display:flex;align-items:center;gap:6px;padding:4px 10px;cursor:pointer;white-space:nowrap;user-select:none}
.ti svg{width:16px;height:16px;flex:none;color:#4a5a6c}
.ti:hover{background:#e3ebf5}.ti.sel{background:#cfe0f5}
.ti.child{padding-left:30px;color:var(--mut)}
.ti.err{color:var(--bad)}.ti.err::after{content:"⚠";margin-left:auto}
.ti.sup{color:#9aa6b2;text-decoration:line-through}
.ti.head{font-weight:600;color:#33475c;cursor:default}.ti.head:hover{background:none}
.ti .eye{margin-left:auto;opacity:.6}
#treeacts{border-top:1px solid var(--line);padding:8px;display:grid;grid-template-columns:1fr 1fr;gap:4px}
#treeacts button{border:1px solid var(--line);background:#fff;border-radius:4px;padding:5px;cursor:pointer;font-size:12px}#treeacts button:hover{background:#e8f0fa}
#treeacts .full{grid-column:1/-1}
#view{position:relative;background:linear-gradient(#f9fbfd,#d8e1eb);min-width:0;min-height:0;overflow:hidden}
#canvas,#canvas canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.lab{position:absolute;left:0;top:0;pointer-events:auto;font:600 12.5px var(--mono);color:#b85a10;background:rgba(255,255,255,.88);border:1px solid #f0c49a;border-radius:3px;padding:1px 5px;white-space:nowrap;cursor:pointer}
.lab:hover{background:#fff3e6;border-color:var(--acc2)}
.lab input{font:600 12.5px var(--mono);width:70px;border:0;outline:0;background:transparent;color:#b85a10}
.lab.pl{font:600 11px var(--f);color:#2d4d75;background:rgba(255,255,255,.7);border-color:#b8c9de;cursor:default}
.lab.snapdot{width:10px;height:10px;padding:0;border-radius:50%;background:transparent;border:2px solid var(--acc2);pointer-events:none}
#cmdbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:6px 10px;flex-wrap:wrap!important;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 3px 10px rgba(20,40,70,.08);padding:6px 10px;z-index:20;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap}

#cmdbar .note{white-space:normal;line-height:1.25}
#cmdbar b.t{font-size:13px;color:var(--acc);margin-right:4px}
#cmdbar label{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--mut)}
#cmdbar input[type=number]{width:66px;font:600 13px var(--mono);padding:4px 6px;border:1px solid var(--line);border-radius:4px}
#cmdbar input[type=number]:focus{outline:2px solid #7fa9d8}
#cmdbar .seg{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
#cmdbar .seg button{border:0;background:#fff;padding:4px 9px;cursor:pointer;font-size:12px;border-left:1px solid var(--line2)}#cmdbar .seg button:first-child{border-left:0}
#cmdbar .seg button.on{background:#d5e5f7;font-weight:600}
#cmdbar .go{border:1px solid #9fd0b2;background:#e9f6ee;color:#167a42;border-radius:4px;padding:5px 12px;font-weight:600;cursor:pointer}
#cmdbar .no{border:1px solid #e5b5ae;background:#fbecea;color:#9b2d21;border-radius:4px;padding:5px 10px;cursor:pointer}
#cmdbar .note{font-size:11.5px;color:var(--mut);max-width:420px;min-width:140px;flex:1 1 160px}
#viewbtns{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;gap:3px;z-index:10}
#viewbtns button{width:42px;height:28px;border:1px solid var(--line);background:rgba(255,255,255,.9);border-radius:4px;font:600 11px var(--f);cursor:pointer}#viewbtns button:hover{background:#e8f0fa}
#triad{position:absolute;left:10px;bottom:10px;width:80px;height:80px;pointer-events:none}
#toast{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);background:#1b2a3c;color:#fff;padding:8px 14px;border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,.2);z-index:30;max-width:70%}
#toast.bad{background:var(--bad)}
/* prácticas */
#practice{width:330px;background:#fff;border-left:1px solid var(--line);overflow:auto;padding:0 0 16px}
#practice .ph{position:sticky;top:0;background:#fff;padding:10px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;z-index:2}
#practice .ph b{flex:1}
#practice .ph button{border:1px solid var(--line);background:#fff;border-radius:4px;cursor:pointer;padding:3px 8px}
.plist{padding:10px 14px;display:flex;flex-direction:column;gap:8px}
.pcard{border:1px solid var(--line);border-radius:6px;padding:10px 12px;cursor:pointer;background:#fbfcfd}.pcard:hover{border-color:var(--acc);background:#f2f7fd}
.pcard b{display:block;font-size:14px}.pcard small{color:var(--mut)}
.pcard .tagt{display:inline-block;font-size:11px;background:#fff3e6;color:#b85a10;border-radius:10px;padding:1px 8px;margin-top:4px}
.pbody{padding:10px 14px}
.pbody h3{margin:4px 0 2px;font-size:16px}.pbody .pdesc{color:var(--mut);margin:0 0 10px}
.psteps{display:flex;flex-direction:column;gap:6px}
.pst{border:1px solid var(--line2);border-radius:6px;padding:8px 10px 8px 34px;position:relative;color:var(--mut)}
.pst i{position:absolute;left:8px;top:8px;width:18px;height:18px;border-radius:50%;border:2px solid var(--line);font:700 11px/14px var(--f);text-align:center;font-style:normal}
.pst.now{border-color:var(--acc2);background:#fffaf4;color:var(--ink)}.pst.now i{border-color:var(--acc2);color:var(--acc2)}
.pst.done{color:var(--ink)}.pst.done i{background:var(--ok);border-color:var(--ok);color:#fff}
.pst b{color:var(--ink)}
.pst .hintx{display:block;margin-top:4px;font-size:12px;color:#8a6a45}
.pdone{margin-top:12px;padding:10px;border-radius:6px;background:#e9f6ee;color:#167a42;font-weight:600}
.pfig{margin:6px 0 10px;border:1px solid var(--line2);border-radius:6px;background:#fbfcfd}
.pfig svg{display:block;width:100%;height:auto}
/* estado */
#status{display:flex;align-items:center;gap:18px;background:#e3e8ee;border-top:1px solid var(--line);padding:0 10px;font-size:12px;color:#33475c;white-space:nowrap;overflow:hidden}
#prompt{flex:1;overflow:hidden;text-overflow:ellipsis}
#coords,#vol{font-family:var(--mono)}
.unit{font-weight:700}
#loading{position:fixed;inset:0;background:rgba(27,42,60,.92);display:grid;place-items:center;z-index:100;color:#fff}
#loading .lbox{text-align:center;width:340px}
#loading .logo{font:800 30px var(--f);letter-spacing:.02em;margin-bottom:6px}
#loading .bar{height:4px;background:#2b3e55;border-radius:2px;overflow:hidden;margin:14px 0 8px}
#loading .bar i{display:block;height:100%;width:40%;background:var(--acc2);animation:ld 1.2s ease-in-out infinite}
@keyframes ld{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}
#loading small{color:#9fb0c3}
@media (max-width:900px){main{grid-template-columns:190px 1fr}#practice{position:absolute;right:0;top:0;bottom:0;z-index:40;box-shadow:-8px 0 20px rgba(0,0,0,.15)}main{position:relative}}
/* ===== v2 ===== */
.envsw{display:flex;border:1px solid #4a6585;border-radius:5px;overflow:hidden;margin-left:6px}
.envsw button{border:0;background:transparent;color:#cfd8e3;padding:4px 12px;cursor:pointer;font-size:12px;border-left:1px solid #4a6585}.envsw button:first-child{border-left:0}
.envsw button.on{background:var(--acc2);color:#fff;font-weight:600}.envsw button:hover:not(.on){background:#2b3e55}
.relgrid{display:grid;grid-template-columns:repeat(5,auto);grid-auto-rows:1fr;gap:2px;align-content:center}
.relgrid button{display:flex;align-items:center;gap:4px;border:1px solid transparent;background:none;border-radius:4px;padding:2px 6px;font-size:11px;cursor:pointer;white-space:nowrap;color:#203040}
.relgrid button b{display:inline-block;width:18px;height:18px;line-height:17px;text-align:center;border:1px solid #9db3cc;border-radius:3px;font:700 12px var(--f);color:var(--acc);background:#f5f9fd}
.relgrid button:hover{background:#e8f0fa;border-color:#b9d0ea}.relgrid button.on{background:#d5e5f7;border-color:#7fa9d8}
.col2{display:flex!important;flex-direction:column;gap:2px;justify-content:center;margin-left:6px}
.col2 .sm{font-size:11px;padding:2px 8px}
.col2 .sm.on::before{content:"✓ ";color:var(--ok);font-weight:700}
.lab.dimlab{font:700 13px var(--mono);color:#b4540f;border-color:#f0c49a;touch-action:none;cursor:move}
.lab.dimlab.driven{color:#7d8896;border-color:#cfd6de;background:rgba(255,255,255,.8)}
.lab.dimlab.sel{background:#fff0de;border-color:var(--acc2)}
.lab.dimlab input{width:78px}
.rel{position:absolute;left:0;top:0;pointer-events:auto;min-width:15px;height:15px;padding:0 2px;font:700 10px/13px var(--f);text-align:center;color:#1d5fa8;background:#eaf2fb;border:1px solid #8fb0d6;border-radius:3px;cursor:pointer}
.rel:hover{background:#fff;border-color:var(--acc)}.rel.sel{background:var(--acc2);color:#fff;border-color:var(--acc2)}
.lab.snaptip,.lab.prevlab{pointer-events:none;font:600 11px var(--f);color:#1d5fa8;background:rgba(255,255,255,.92);border-color:#a9c4e4}
.lab.prevlab{font:700 12px var(--mono)}
.lab.meas{color:#fff;background:var(--acc2);border-color:var(--acc2);font-size:13px;cursor:default}
.lab.ref{color:#6a3aa0;border-color:#cbb3e6}
.lab.balloon{width:26px;height:26px;border-radius:50%;padding:0;text-align:center;line-height:23px;font:800 13px var(--f);color:#1b2a3c;background:#fff;border:2px solid #1b2a3c;cursor:default}
#dof{font-size:12px}#dof .okc{color:var(--ok)}
.ti.mark{background:#fff0de;box-shadow:inset 3px 0 0 var(--acc2)}
.ti.rolled{opacity:.42}
.ti.rollmark{color:var(--acc2);font-weight:700;font-size:11px;cursor:default;border-top:2px solid var(--acc2);margin:2px 8px;padding:3px 2px}
.ti input.ren{font:inherit;width:150px;padding:1px 4px;border:1px solid var(--acc);border-radius:3px}
.ti .dotc{width:12px;height:12px;border-radius:3px;border:1px solid rgba(0,0,0,.25);flex:none}
#rollbar{border-top:1px solid #efd8bd;background:#fdf6ee;padding:8px;font-size:12px;display:flex;flex-direction:column;gap:6px}
#rollbar button{border:1px solid var(--acc2);background:#fff;color:#b85a10;border-radius:4px;padding:5px;cursor:pointer;font-weight:600}
#cmdbar .lbl{font-size:12px;color:var(--mut)}
#cmdbar select{font:inherit;padding:3px}
#cmdbar button:not(.go):not(.no):not(.seg button){border:1px solid var(--line);background:#fff;border-radius:4px;padding:4px 9px;cursor:pointer;font-size:12px}
#modal{position:fixed;inset:0;background:rgba(15,25,40,.45);display:grid;place-items:center;z-index:200}
#modal .mbox{background:#fff;border-radius:8px;box-shadow:0 20px 50px rgba(0,0,0,.3);padding:18px 22px;max-width:min(720px,94vw);max-height:88vh;overflow:auto;min-width:340px}
#modal h3{margin:0 0 10px;font-size:17px}#modal h4{margin:12px 0 6px;font-size:13px;color:var(--acc)}
#modal .mut,.mut{color:var(--mut);font-size:12px}
#modal .mbtns{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
#modal .mbtns button{border:1px solid var(--line);background:#fff;border-radius:5px;padding:7px 14px;cursor:pointer}
#modal .mbtns button.go{background:var(--acc);border-color:var(--acc);color:#fff;font-weight:600}
#modal .row{display:flex;align-items:center;gap:8px;margin-bottom:8px}#modal select{font:inherit;padding:4px}
table.props{border-collapse:collapse;width:100%;font-size:13px}table.props td,table.props th{border-bottom:1px solid var(--line2);padding:6px 8px;text-align:left}table.props th{background:#f1f4f8;font-size:12px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px}.form label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--mut)}.form label:nth-last-child(1){grid-column:1/-1}
.form input,.form textarea{font:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:4px;color:var(--ink)}
.sbsum{margin-top:12px;padding:8px 10px;background:#f1f6fc;border-radius:5px;font-size:12px}
.guide{display:grid;grid-template-columns:1fr 1fr;gap:18px;font-size:13px}.guide ol{padding-left:18px;margin:4px 0}.guide p{margin:4px 0 8px}
.librow{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line2);border-radius:6px;margin-bottom:5px;cursor:pointer}.librow:hover{border-color:var(--acc);background:#f2f7fd}
.librow small{color:var(--mut);margin-left:auto}.librow button{border:0;background:none;color:var(--bad);cursor:pointer}
.pdone button,.subsm{margin-top:8px;border:1px solid var(--acc);background:var(--acc);color:#fff;border-radius:5px;padding:6px 12px;cursor:pointer;font-weight:600}
.subsm{background:#fff;color:var(--acc);font-weight:500}
/* plano */
#app[data-env=draft] main{grid-template-columns:1fr auto}
#draftEnv{background:#7d8a99;overflow:auto;min-width:0;min-height:0;position:relative}
#sheetwrap{padding:12px 18px 30px;min-height:100%}
.tbform{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;background:#f7f8fa;border:1px solid var(--line);border-radius:6px;padding:6px 10px;margin:0 auto 12px;max-width:1200px;font-size:12px}
.tbform label{display:flex;align-items:center;gap:4px;color:var(--mut)}.tbform input{font:inherit;padding:3px 6px;border:1px solid var(--line);border-radius:3px}
.sheetbox{max-width:1200px;margin:0 auto;box-shadow:0 10px 30px rgba(0,0,0,.35);background:#fff}
.sheetbox svg{display:block;width:100%;height:auto}
.drempty{max-width:520px;margin:60px auto;background:#fff;border-radius:8px;padding:24px;text-align:center}
#app[data-env=asm] #viewbtns button[data-view=front],#app[data-env=asm] #viewbtns button[data-view=top],#app[data-env=asm] #viewbtns button[data-view=right]{display:block}

.gridsel{display:none;align-items:center;gap:4px}.gridsel select{font:inherit;font-size:11px;padding:0 2px}
#app.insk .gridsel{display:flex}
[data-panel=sketch] .big{width:66px}
.relgrid button{padding:2px 4px;font-size:10.5px}

[data-panel=draft] .snap{padding:1px 6px;font-size:11.5px}[data-panel=draft] .snap select{padding:1px;font-size:11.5px}

.grp{padding:0 4px}
[data-panel=sketch] .big{width:60px}
[data-panel=sketch] .sm{padding:3px 5px;gap:4px}
.col2 .sm{padding:2px 6px}
.big{width:70px}.grp{padding:0 3px}
@media (max-width:1300px){.big{width:62px;font-size:11px}.sm{padding:3px 5px;font-size:11.5px}}

.dtby{display:flex;align-items:center;gap:6px;text-decoration:none;color:#9fb0c3;padding:0 6px;border-left:1px solid #33475e;margin-left:2px;opacity:.9}
.dtby:hover{opacity:1}.dtby small{font-size:11px}.dtby img{height:24px;display:block}
#loading .ldev{margin-top:22px;display:flex;flex-direction:column;align-items:center;gap:6px}#loading .ldev small{font-size:11px;letter-spacing:.12em;text-transform:uppercase}#loading .ldev img{height:44px}
.dtabout{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:6px;padding:10px 12px;margin:10px 0}
.dtabout img{height:40px;filter:brightness(0);opacity:.85}
@media (max-width:900px){.dtby small{display:none}}

#skplane{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:6px;box-shadow:0 4px 14px rgba(20,40,70,.12);padding:6px 8px 6px 10px;font-size:13px;z-index:9;white-space:nowrap}
#skplane i{width:12px;height:12px;border-radius:2px;flex:none}
#skplane button{border:1px solid var(--line);background:#fff;border-radius:4px;padding:4px 9px;font:inherit;font-size:12px;cursor:pointer}#skplane button:hover{border-color:var(--acc2)}
#tree .pln{margin-left:auto;font-size:10.5px;color:#7d8896;border:1px solid #d5dde6;border-radius:3px;padding:0 4px;line-height:16px}
#tree .pln+.eye{margin-left:6px}
#viewbtns #lockbtn{font-size:14px;margin-top:4px}#viewbtns #lockbtn.on,#skplane button.on{background:#fff0de;border-color:var(--acc2)}

/* PathFinder con casillas (como Solid Edge) */
.ti input.vis{margin:0;width:14px;height:14px;flex:none;accent-color:#1d6fd8;cursor:pointer}
.ti .vsp{width:14px;flex:none}
.ti.bp{padding-left:30px;color:#33475c}
.ti .pc{width:10px;height:10px;border-radius:2px;flex:none;opacity:.85}
#ctxmenu{position:fixed;z-index:300;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 10px 30px rgba(20,40,70,.22);padding:4px;min-width:200px;display:flex;flex-direction:column}
#ctxmenu[hidden]{display:none}
#ctxmenu button{all:unset;padding:7px 12px;border-radius:4px;font-size:13px;cursor:pointer;white-space:nowrap}#ctxmenu button:hover{background:#e3ebf5}
#ctxmenu hr{border:0;border-top:1px solid var(--line);margin:3px 0}

#radial{position:fixed;z-index:320;width:0;height:0;pointer-events:none}
#radial[hidden]{display:none}
#radial .c{position:absolute;left:-7px;top:-7px;width:14px;height:14px;border-radius:50%;border:2px solid var(--acc2);background:#fff}
#radial button{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;white-space:nowrap;border:1px solid var(--line);background:rgba(255,255,255,.97);border-radius:16px;padding:6px 11px;font:600 12.5px var(--f);box-shadow:0 4px 12px rgba(20,40,70,.18);cursor:pointer}
#radial button:hover,#radial button.hi{background:var(--acc2);border-color:var(--acc2);color:#fff}

/* tableta */
html,body{overscroll-behavior:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
#view,#canvas,#canvas canvas{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
@media (pointer:coarse){
  .lab.dimlab{font-size:15px;padding:3px 8px}
  #viewbtns button{width:50px;height:38px;font-size:12.5px}
  .ti{padding-top:8px;padding-bottom:8px}
  .ti input.vis{width:20px;height:20px}
  #cmdbar button,#cmdbar input{min-height:34px}
  #skplane button{padding:8px 12px}
  #radial button{padding:10px 14px;font-size:14px}
}

@media (max-width:1100px){
  #docext,.brand{display:none}
  #titlebar .ttl{min-width:0;flex:1}#docname{max-width:140px}
  .dtby small{display:none}
}
@media (max-width:900px) and (pointer:coarse){ main{grid-template-columns:200px 1fr} .ti span{overflow:hidden;text-overflow:ellipsis} }

/* vista realista */
#render{position:fixed;inset:0;z-index:250;display:grid;grid-template-columns:1fr 280px;background:#0f1620}
#render .rv-stage{position:relative;min-width:0;min-height:0;overflow:hidden}
#render canvas{display:block;width:100%;height:100%;touch-action:none}
#render .rv-cap{position:absolute;left:18px;bottom:16px;font:600 15px var(--f);color:rgba(20,32,46,.85);pointer-events:none}#render .rv-cap.lt{color:rgba(255,255,255,.88)}
#render .rv-hint{position:absolute;right:16px;bottom:14px;font-size:12px;color:rgba(20,32,46,.55);pointer-events:none}
#render .rv-side{background:#fff;border-left:1px solid var(--line);padding:14px 16px;display:flex;flex-direction:column;gap:10px;overflow:auto}
#render .rv-h{display:flex;justify-content:space-between;align-items:center;font-size:15px}
#render .rv-x{border:1px solid var(--line);background:#fff;border-radius:5px;width:32px;height:30px;cursor:pointer;font-size:14px}
#render label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--mut);font-weight:600}
#render label.ck{flex-direction:row;align-items:center;gap:8px;color:#203040;font-weight:500;font-size:13px}
#render select,#render input[type=color]{font:inherit;font-size:13px;padding:5px;border:1px solid var(--line);border-radius:5px;color:#203040;background:#fff;width:100%;min-height:32px}
#render .rv-views{display:grid;grid-template-columns:1fr 1fr;gap:5px}
#render .rv-views button{border:1px solid var(--line);background:#fff;border-radius:5px;padding:6px;font:inherit;font-size:12.5px;cursor:pointer}#render .rv-views button:hover{background:#e8f0fa}
#render .rv-go{margin-top:6px;background:var(--acc2);border:0;color:#fff;font:700 14px var(--f);padding:11px;border-radius:6px;cursor:pointer}
#render .rv-note{font-size:11.5px;color:var(--mut);line-height:1.4;margin:0}
@media (max-width:900px){#render{grid-template-columns:1fr;grid-template-rows:1fr auto}#render .rv-side{max-height:42vh;border-left:0;border-top:1px solid var(--line)}}

/* cuentas */
.userbtn{display:flex;align-items:center;gap:7px;border:1px solid #33475e;background:transparent;color:#e9eef5;border-radius:16px;padding:3px 10px 3px 3px;cursor:pointer;font:600 12.5px var(--f);margin-right:6px}
.userbtn[hidden]{display:none}
.userbtn i{width:24px;height:24px;border-radius:50%;background:var(--acc2);color:#fff;font-style:normal;display:grid;place-items:center;font-size:11px}
.userbtn:hover{background:#26384e}
#accmenu{position:fixed;z-index:300;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 30px rgba(20,40,70,.22);padding:6px;min-width:250px;display:flex;flex-direction:column}
#accmenu[hidden]{display:none}#accmenu .am-h{padding:8px 10px 10px;border-bottom:1px solid var(--line);margin-bottom:4px;display:flex;flex-direction:column;gap:2px}#accmenu .am-h small{color:var(--mut)}
#accmenu button{all:unset;padding:8px 10px;border-radius:5px;font-size:13px;cursor:pointer}#accmenu button:hover{background:#e3ebf5}#accmenu hr{border:0;border-top:1px solid var(--line);margin:4px 0}
#login{position:fixed;inset:0;z-index:400;display:grid;place-items:center;background:linear-gradient(160deg,#1b2a3c,#0f1a27 60%,#2a1a10);padding:16px}
#login[hidden]{display:none}
#login .lg-card{width:min(420px,100%);background:#fff;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.4);padding:26px 26px 18px;display:flex;flex-direction:column;gap:10px}
#login .lg-brand{display:flex;flex-direction:column}#login .lg-brand b{font-size:22px;color:#1b2a3c}#login .lg-brand span{font-size:12px;color:var(--mut)}
#login h2{margin:8px 0 0;font-size:18px}#login .lg-sub{margin:0;font-size:13px;color:#4a5a6c;line-height:1.45}
#login form{display:flex;flex-direction:column;gap:10px}#login label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:#4a5a6c}
#login input{font:inherit;font-size:15px;padding:10px 11px;border:1px solid var(--line);border-radius:7px}#login input:focus{outline:2px solid var(--acc2);border-color:transparent}
#login .lg-err{min-height:18px;margin:0;font-size:13px;color:var(--bad)}
#login .lg-go{background:var(--acc2);color:#fff;border:0;border-radius:7px;padding:12px;font:700 15px var(--f);cursor:pointer}
#login .lg-guest{all:unset;text-align:center;font-size:12.5px;color:#4a5a6c;cursor:pointer;padding:6px;text-decoration:underline}
#login .lg-dt{display:flex;align-items:center;justify-content:center;gap:8px;border-top:1px solid var(--line);padding-top:12px;margin-top:4px}#login .lg-dt small{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}#login .lg-dt img{height:26px;filter:brightness(0);opacity:.8}
.sbwho{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;background:#f4f7fa;border:1px solid var(--line);border-radius:6px;padding:10px 12px;margin:6px 0 10px}.sbwho small{display:block;font-size:10.5px;color:var(--mut);text-transform:uppercase;letter-spacing:.06em}.sbwho b{font-size:13px;word-break:break-all}
.sbprev{display:flex;gap:12px;align-items:center;font-size:13px;margin-top:8px}.sbprev img{width:170px;border:1px solid var(--line);border-radius:6px;background:#eef2f6}
.tblw{max-height:55vh;overflow:auto}.tbl{width:100%;border-collapse:collapse;font-size:13px}.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}.tbl th{font-size:11.5px;color:var(--mut)}
.tbl button{border:1px solid var(--line);background:#fff;border-radius:5px;padding:4px 9px;cursor:pointer;font:inherit;font-size:12px}.tbl button.lnk{border:0;color:var(--bad);background:none}
.grade{font-size:15px;color:#1b7a3d}

#login .lg-tabs{display:grid;grid-template-columns:1fr 1fr;background:#eef2f6;border-radius:8px;padding:3px;margin-top:6px}
#login .lg-tabs button{all:unset;text-align:center;padding:8px;border-radius:6px;font:600 13.5px var(--f);color:#4a5a6c;cursor:pointer}#login .lg-tabs button.on{background:#fff;color:#1b2a3c;box-shadow:0 1px 4px rgba(20,40,70,.15)}
#login .lg-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}#login .lg-2 input,#login .lg-2 select{width:100%;min-width:0;box-sizing:border-box}
#login select{font:inherit;font-size:15px;padding:9px 8px;border:1px solid var(--line);border-radius:7px;background:#fff}
#login a{color:var(--acc);font-weight:600}
#login .lg-card{max-height:calc(100vh - 32px);overflow:auto}

/* ===== asistente "Ver cómo se hace" ===== */
.pdemo{display:flex;align-items:center;gap:10px;width:100%;text-align:left;margin:8px 0 10px;padding:8px 10px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:4px;font:600 13px/1.25 var(--f);cursor:pointer}
.pdemo b{flex:none;width:26px;height:26px;border-radius:50%;background:var(--acc2);color:#fff;display:grid;place-items:center;font-size:11px;padding-left:2px}
.pdemo small{display:block;font-weight:400;color:var(--mut);font-size:11.5px;margin-top:1px}
.pdemo:hover{background:#e8f0fa;border-color:#b9d0ea}
body.demo .subsm,body.demo .pdone button,body.demo .pdemo{display:none}
#demoshield{position:fixed;inset:0;z-index:900;background:transparent;cursor:not-allowed}
#demobar{position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:1000;width:min(780px,calc(100vw - 24px));background:#fff;color:var(--ink);border:1px solid var(--line);border-top:3px solid var(--acc2);border-radius:4px;box-shadow:0 8px 28px rgba(20,40,70,.18);font:13px/1.35 var(--f)}
#demobar .dhd{display:flex;align-items:center;gap:10px;padding:7px 12px;background:#fdf6ee;border-bottom:1px solid #efd8bd}
#demobar .dtag{background:var(--acc2);color:#fff;font-weight:600;font-size:11.5px;padding:2px 9px;border-radius:3px;white-space:nowrap}
#demobar .dhd b{font-size:13px}
#demobar .dnote{margin-left:auto;color:#8a6a45;font-size:11.5px;text-align:right}
#demobar .dtrack{display:flex;align-items:center;gap:4px;padding:8px 12px 0}
#demobar .dtrack .st{min-width:30px;height:24px;padding:0 8px;border:1px solid #e6c9a6;border-radius:12px;background:#fff;color:#8a6a45;font:600 12px var(--f);cursor:pointer}
#demobar .dtrack .st:hover{border-color:var(--acc2)}
#demobar .dtrack .st.now{background:var(--acc2);border-color:var(--acc2);color:#fff}
#demobar .dtrack .st.done{background:#e9f6ee;border-color:#a6d8b8;color:var(--ok)}
#demobar .dfin{margin-left:2px;width:24px;height:24px;border-radius:50%;border:1px dashed var(--line);color:#b8c2ce;display:grid;place-items:center;font-size:12px}
#demobar .dfin.on{background:var(--ok);border:1px solid var(--ok);color:#fff}
#demobar .dbody{display:flex;gap:12px;align-items:baseline;padding:8px 12px 10px}
#demobar #dnum{font-style:normal;font:600 11.5px var(--mono);color:var(--acc);white-space:nowrap;text-transform:uppercase;letter-spacing:.03em}
#demobar #dsay{font-size:14.5px;line-height:1.4}
#demobar #dsay b{color:var(--acc)}
#demobar .dturn,#demobar .dwarn{display:block;margin-top:4px;font-size:12.5px;color:#8a6a45}
#demobar .dwarn{color:var(--bad)}
#demobar .dctl{display:flex;align-items:center;gap:4px;padding:6px 10px;border-top:1px solid var(--line2);background:var(--panel)}
#demobar .dctl>button{display:flex;align-items:center;gap:6px;height:30px;padding:0 10px;border:1px solid transparent;background:none;border-radius:4px;cursor:pointer;color:#203040;font-size:12.5px}
#demobar .dctl>button svg{width:15px;height:15px}
#demobar .dctl>button:hover:not(:disabled){background:#e8f0fa;border-color:#b9d0ea}
#demobar .dctl>button:disabled{opacity:.38;cursor:default}
#demobar .dctl .dplay{border-color:var(--line);background:#fff;font-weight:600;min-width:104px;justify-content:center}
#demobar .dctl .dplay.on{background:var(--acc2);border-color:var(--acc2);color:#fff}
#demobar .dsep{width:1px;height:20px;background:var(--line2);margin:0 6px}
#demobar .dlbl{font-size:11.5px;color:var(--mut);margin-right:4px}
#demobar .dseg{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
#demobar .dseg button{border:0;border-left:1px solid var(--line2);background:#fff;padding:4px 9px;cursor:pointer;font-size:12px}
#demobar .dseg button:first-child{border-left:0}
#demobar .dseg button.on{background:#d5e5f7;font-weight:600}
#demobar .dgrow{flex:1}
#demobar .dout{border-color:#e5b5ae!important;background:#fbecea!important;color:#9b2d21!important;font-weight:600}
#dcur{position:fixed;left:0;top:0;z-index:1001;pointer-events:none;will-change:transform}
#dcur svg{filter:drop-shadow(0 2px 3px rgba(0,0,0,.35))}
#dcur .dlab{position:absolute;left:24px;top:20px;background:#1b2a3c;color:#fff;font:600 12px/1.2 var(--f);padding:3px 8px;border-radius:3px;white-space:nowrap;box-shadow:0 2px 6px rgba(0,0,0,.25)}
.dripple{position:fixed;z-index:1001;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;border:3px solid #e8761c;pointer-events:none;animation:drip .6s ease-out forwards}
@keyframes drip{from{transform:scale(.3);opacity:1}to{transform:scale(1.4);opacity:0}}
.dflash{outline:3px solid #e8761c!important;outline-offset:2px;transition:outline .1s}
body.demo #docname{pointer-events:none}
@media (max-width:700px){#demobar{bottom:30px}#demobar .dnote,#demobar .dlbl{display:none}#demobar #dsay{font-size:13.5px}#demobar .dctl>button span{display:none}}
/* cinta de Boceto: en pantallas menores a 1800 px las relaciones muestran solo su símbolo (el nombre queda en el tooltip) */
@media (max-width:1800px){.relgrid{grid-template-columns:repeat(5,auto)}.relgrid button{font-size:0;padding:2px 3px;gap:0}.relgrid button b{font-size:12px;width:22px;height:22px;line-height:21px}}

/* botones con menú desplegable (Círculo ▾, Arco ▾…) */
.split{display:flex;align-items:stretch}
.split>button:first-child{border-top-right-radius:0;border-bottom-right-radius:0}
.split .ddc{border:1px solid transparent;border-left:0;background:none;border-radius:0 4px 4px 0;width:15px;padding:0;cursor:pointer;font-size:10px;color:#5d6b7c;flex:none}
.split .ddc:hover{background:#e8f0fa;border-color:#b9d0ea}
.split.on>button:first-child,.split.on .ddc{background:#d5e5f7;border-color:#7fa9d8}
#ddmenu{position:fixed;z-index:80;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(20,40,70,.18);padding:4px 0;min-width:220px;border-radius:4px}
#ddmenu button{display:flex;align-items:center;gap:9px;width:100%;border:0;background:none;padding:6px 12px;text-align:left;cursor:pointer;font-size:12.5px;color:#203040}
#ddmenu button:hover{background:#e8f0fa}#ddmenu button.on{background:#d5e5f7;font-weight:600}
#ddmenu .ic svg{width:20px;height:20px}
/* ===== pantalla de inicio (como Solid Edge) ===== */
#startscr{position:fixed;inset:0;z-index:300;background:rgba(18,28,40,.45);display:flex;align-items:center;justify-content:center;padding:16px}
#startscr .sbox{width:min(1080px,100%);height:min(680px,100%);display:flex;background:#fff;box-shadow:0 18px 50px rgba(0,0,0,.35);border:1px solid #9fb0c4;overflow:hidden}
#startscr aside{width:210px;flex:none;background:#2c5aa0;display:flex;flex-direction:column;padding:10px 0 0}
#startscr .sback{width:44px;height:44px;margin:0 0 14px 14px;border:0;background:#1f467f;border-radius:4px;cursor:pointer;padding:9px}
#startscr .smi{display:flex;justify-content:space-between;align-items:center;width:100%;border:0;background:transparent;color:#fff;font-size:16px;text-align:left;padding:13px 18px;cursor:pointer;position:relative}
#startscr .smi i{font-style:normal;font-size:12px;opacity:.9}
#startscr .smi:hover{background:#3a6bb5}
#startscr .smi.on{background:#a9c2e6;color:#14213a}
#startscr .smi.on::after{content:"";position:absolute;right:-1px;top:50%;margin-top:-10px;border:10px solid transparent;border-right-color:#fff}
#startscr .sexit{margin-top:auto;font-size:14px;opacity:.85;border-top:1px solid #4f78b7}
#startscr section{flex:1;overflow:auto;padding:0 34px 26px}
#startscr .stop{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0 2px;color:#5d6b7c;border-bottom:1px solid #e3e8ee}
#startscr .stop span{font-weight:600;color:#1d2733}
#startscr h2{font-weight:400;font-size:30px;color:#2f7fd0;margin:22px 0 10px}
#startscr .slink{border:0;background:none;color:#1d5fa8;text-decoration:underline;cursor:pointer;padding:0;margin-bottom:16px;font-size:14px}
#startscr .sgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px 26px}
#startscr .stile{display:flex;gap:16px;align-items:flex-start;border:1px solid transparent;background:#fff;text-align:left;padding:8px;cursor:pointer;border-radius:2px}
#startscr .stile:hover,#startscr .stile:focus-visible{background:#dce6f4;border-color:#a9c2e6;outline:0}
#startscr .stile.off{opacity:.55;cursor:not-allowed}#startscr .stile.off:hover{background:#f4f6f9;border-color:#e3e8ee}
#startscr .sthumb{width:118px;height:96px;flex:none;border:1px solid #c9d1db;background:#fff;display:flex;align-items:center;justify-content:center}
#startscr .sthumb svg{width:100px;height:84px}
#startscr .stx b{display:block;font-size:17px;color:#3a4654;margin:6px 0 8px}
#startscr .stx small{display:block;font-size:13px;color:#5d6b7c;line-height:1.4}
#startscr .stx em{display:inline-block;margin-top:6px;font-style:normal;font-size:11px;background:#eef1f5;color:#5d6b7c;border-radius:9px;padding:1px 8px}
#startscr .stile[data-tpl="iso-pieza"] .stx b{color:#1d2733}
#startscr .snote{margin:22px 0 0;padding:10px 14px;background:#fff7ec;border-left:3px solid var(--acc2);color:#4a3a28;font-size:14px}
#startscr .slist{display:flex;flex-direction:column;gap:10px;max-width:560px}
#startscr .slist button{border:1px solid #dfe4ea;background:#fbfcfd;text-align:left;padding:14px 16px;cursor:pointer;border-radius:4px}
#startscr .slist button:hover{background:#dce6f4;border-color:#a9c2e6}
#startscr .slist b{display:block;font-size:16px;margin-bottom:3px}#startscr .slist small{color:#5d6b7c;font-size:13px}
@media (max-width:760px){#startscr .sbox{flex-direction:column}#startscr aside{width:auto;flex-direction:row;flex-wrap:wrap;padding:6px}#startscr .sback{margin:0 6px 0 0;width:38px;height:38px;padding:7px}#startscr .smi{width:auto;padding:9px 12px;font-size:14px}#startscr .smi.on::after,#startscr .sexit{display:none}#startscr .sgrid{grid-template-columns:1fr}#startscr section{padding:0 16px 16px}}
/* superinfo de herramienta (como el tooltip ampliado de Solid Edge) */
#stip{position:fixed;z-index:260;width:380px;background:#fff;border:1px solid #8ea2b8;box-shadow:0 8px 24px rgba(0,0,0,.22);padding:12px 14px;pointer-events:none;font-size:13px;color:#1d2733}
#stip .sth{display:flex;align-items:center;gap:10px;border-bottom:1px solid #1d5fa8;padding-bottom:6px;margin-bottom:8px}
#stip .sth .ic{width:26px;height:26px}#stip .sth b{font-size:17px;font-weight:600}
#stip p{margin:0 0 8px;line-height:1.4}
#stip .sti{border:1px solid #9fb0c4;margin:6px 0 8px;background:#fff}#stip .sti svg{display:block;width:100%;height:auto}
#stip .stf{color:#5d6b7c;font-size:12px}
/* práctica: captura para Canvas */
.pcap{display:flex;gap:10px;align-items:center;width:100%;margin-top:10px;border:1px solid var(--acc2);background:#fff7ec;color:#7a3f0c;border-radius:6px;padding:9px 12px;cursor:pointer;text-align:left}
.pcap:hover{background:#ffeedb}.pcap b{font-size:18px}.pcap span{display:flex;flex-direction:column;font-weight:600}.pcap small{font-weight:400;color:#8a5a2c}
.pcard.act{border-color:var(--acc2);background:#fff7ec}
#login .lg-rec{display:flex;gap:8px;align-items:center;font-size:14px;margin:4px 0 0;cursor:pointer}#login .lg-rec input{width:auto;margin:0}#login .lg-rec small{opacity:.65;font-size:12px}

#skbox{position:fixed;z-index:60;pointer-events:none;border:1.5px solid #1d6fd8;background:rgba(29,111,216,.08)}#skbox.cross{border-style:dashed;border-color:#1f9d55;background:rgba(31,157,85,.08)}
.pgrp{font:700 12px var(--f);letter-spacing:.06em;text-transform:uppercase;color:#1d5fa8;margin:12px 4px 4px;padding-bottom:4px;border-bottom:1px solid var(--line)}.pgrp.extra{color:#8a6d2b}.pcard.extra{opacity:.85;border-style:dashed}
#askdlg{position:fixed;left:270px;top:240px;z-index:70;width:330px;background:#fff;border:1px solid #9aa7b6;box-shadow:0 8px 24px rgba(0,0,0,.18)}#askdlg .ah{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;background:#eef2f6;border-bottom:1px solid #c9d2dc;font-size:13px}#askdlg .ah button{border:0;background:#c0392b;color:#fff;width:22px;height:22px;cursor:pointer}#askdlg pre{margin:0;padding:10px;font:13px/1.5 Consolas,monospace;white-space:pre-wrap}
.pwhy{display:block;margin:6px 0 0;border:0;background:none;color:#1d5fa8;font:600 12px var(--f);text-decoration:underline;cursor:pointer;padding:0}.pwhyx{margin-top:6px;padding:8px;border:1px dashed #9aa7b6;border-radius:6px;background:#f7f9fb;font-size:12px;line-height:1.5}.pwhyx .mut{color:var(--mut);margin-top:4px}

/* ===== pantallas chicas y resoluciones bajas (3.9) ===== */
#titlebar{min-width:0;overflow:hidden;white-space:nowrap}
.ttl{min-width:0;overflow:hidden;white-space:nowrap}#docext{overflow:hidden;text-overflow:ellipsis;min-width:0}
.phead{display:flex;align-items:center;gap:6px}.phead .pfmin{margin-left:auto}
.pfmin,.prmin{border:1px solid var(--line);background:#fff;border-radius:4px;width:26px;height:24px;line-height:20px;cursor:pointer;padding:0;color:#2d3b4b;font-weight:700}
.pfmin:hover,.prmin:hover{background:#e8f0fa;border-color:#b9d0ea}
body.pf-min main{grid-template-columns:34px 1fr auto}
body.pf-min #tree,body.pf-min #treeacts,body.pf-min #rollbar{display:none!important}
body.pf-min .phead{writing-mode:vertical-rl;transform:rotate(180deg);height:100%;padding:10px 6px;cursor:pointer;justify-content:flex-end;border-bottom:0}
body.pf-min .phead .pfmin{transform:rotate(180deg);margin:0 0 6px}
body.pr-min #practice{width:40px!important;overflow:hidden;padding:0;cursor:pointer;position:static;box-shadow:none}
body.pr-min #practice>:not(.ph){display:none}
body.pr-min #practice .ph{writing-mode:vertical-rl;transform:rotate(180deg);height:100%;padding:10px 6px;border-bottom:0;justify-content:flex-end;position:static}
body.pr-min #practice .ph button:not(.prmin){display:none}
body.pr-min #practice .ph .prmin{transform:rotate(180deg)}
@media (max-width:1400px){main{grid-template-columns:210px 1fr auto}#practice{width:300px}}
@media (max-width:1350px){#docext{display:none}}
@media (max-width:1180px){.brand{display:none}.dtby small{display:none}#practice{width:280px}.userbtn span{display:none}.userbtn{padding:3px}}
@media (max-width:1000px){main{grid-template-columns:180px 1fr auto}.envsw button{padding:4px 9px}.dtby{display:none}}
@media (max-height:760px){#demobar .dnote{display:none}#demobar .dhd{padding:4px 10px}#demobar .dtrack{padding:5px 10px 0}#demobar .dbody{padding:5px 10px 6px}#demobar #dsay{font-size:13px}#demobar .dctl{padding:3px 8px}#demobar .dctl>button{height:26px}#demobar{bottom:28px}}
@media (max-height:620px){#demobar .dtrack,#demobar .dlbl,#demobar #dnum{display:none}#demobar .dctl>button span{display:none}#demobar .dctl .dplay{min-width:0}}
#ribbon{height:auto!important;min-height:96px;scrollbar-width:thin}
#ribbon::-webkit-scrollbar{height:7px}#ribbon::-webkit-scrollbar-thumb{background:#c3ccd7;border-radius:4px}

#cmdbar input.lockv{background:color-mix(in srgb,#e8761c 18%,transparent);border-color:#e8761c}
.lab.edpick{border-color:#e8761c;width:14px;height:14px;background:color-mix(in srgb,#e8761c 30%,transparent)}
.pnote{margin:4px 0 8px;padding:6px 9px;border-left:3px solid #e8761c;background:color-mix(in srgb,#e8761c 9%,transparent);font-size:12.5px;line-height:1.35}

/* celulares y tabletas: en Safari la barra del navegador tapa la parte de abajo → los avisos salen arriba, más tiempo, y se cierran con un toque */
@media (pointer:coarse),(max-width:1000px),(max-height:620px){
  #toast{top:calc(10px + env(safe-area-inset-top));bottom:auto;max-width:calc(100% - 20px);width:max-content;font-size:15px;line-height:1.35;padding:10px 14px;z-index:60;cursor:pointer}
  #toast::after{content:"  ✕";opacity:.7;font-weight:700}
}
@media (max-width:700px){
  #status{height:auto!important;min-height:26px;padding-top:3px;padding-bottom:3px;white-space:normal;align-items:flex-start}
  #prompt{white-space:normal;line-height:1.3;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
}