/* RGZ 3D CAD Studio v3 — dark studio theme matched to the RGZ studios */
.rgzcad{--rgzc-accent:#eb4e3c;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#fff;--navy:#0b1220;--navy2:#111a2e;--panel:#17203a;--panel2:#1d2a48;--ok:#16a34a;--warn:#d97706;--err:#dc2626;--r:16px;--sh:0 12px 30px rgba(2,6,23,.10);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Tahoma,Arial,sans-serif;color:var(--ink);line-height:1.55;max-width:1560px;margin:0 auto;padding:0 4px}
.rgzcad *,.rgzcad *::before,.rgzcad *::after{box-sizing:border-box}
.rgzcad h1,.rgzcad h2,.rgzcad h3{margin:0;line-height:1.2;letter-spacing:-.02em}
.rgzcad button{font:inherit}
.rgzcad [hidden]{display:none !important}

/* ---------- header ---------- */
.rgzcad-hero{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin:8px 0 12px;padding:14px 18px;border-radius:18px;color:#e5e7eb;background:radial-gradient(1100px 400px at 10% -40%,rgba(235,78,60,.30),transparent 60%),radial-gradient(900px 380px at 90% -30%,rgba(56,189,248,.16),transparent 55%),linear-gradient(160deg,var(--navy),var(--navy2));box-shadow:var(--sh)}
.rgzcad-hero-l{display:flex;gap:12px;align-items:center;min-width:280px}
.rgzcad-logo{width:38px;height:38px;color:var(--rgzc-accent);filter:drop-shadow(0 4px 10px rgba(235,78,60,.45))}
.rgzcad-hero h1{font-size:clamp(1.15rem,2vw,1.4rem);color:#fff}
.rgzcad-hero p{margin:2px 0 0;color:#94a3b8;font-size:.8rem;max-width:520px}
.rgzcad-hero-r{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:flex-end}
.rgzcad-unit{color:#7d8aa5;font-size:11px;font-weight:800;letter-spacing:.08em;border:1px solid rgba(148,163,184,.3);border-radius:999px;padding:6px 10px}
.rgzcad-hero .rgzcad-btn.ghost{background:rgba(15,23,42,.55);border-color:rgba(148,163,184,.35);color:#e2e8f0;font-weight:700;text-decoration:none}
.rgzcad-hero .rgzcad-btn.ghost:hover{border-color:var(--rgzc-accent);color:#fff}

/* ---------- steps ---------- */
.rgzcad-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 12px}
.rgzcad-steps button{position:relative;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:14px;padding:11px 12px 11px 44px;cursor:pointer;box-shadow:0 2px 10px rgba(2,6,23,.06);font-weight:800;font-size:14px;color:var(--ink);transition:border-color .15s,box-shadow .15s,transform .1s}
.rgzcad-steps button:not(:disabled):hover{transform:translateY(-1px);border-color:#cbd5e1}
.rgzcad-steps button b,.rgzcad-steps button i{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:23px;height:23px;border-radius:50%;background:#eef2f7;color:var(--muted);display:grid;place-items:center;font-style:normal;font-weight:800;font-size:12px}
.rgzcad-steps button.on{border-color:var(--rgzc-accent);box-shadow:0 0 0 3px rgba(235,78,60,.14)}
.rgzcad-steps button.on b,.rgzcad-steps button.on i{background:var(--rgzc-accent);color:#fff}
.rgzcad-steps button.done b,.rgzcad-steps button.done i{background:var(--ok);color:#fff}
.rgzcad-steps button:disabled{opacity:.55;cursor:not-allowed}

/* ---------- 3-column work layout — columns share the row height (no dead space) ---------- */
.rgzcad-work{display:grid;grid-template-columns:236px minmax(0,1fr) 332px;gap:12px;align-items:stretch}

/* ---------- specification tree ---------- */
.rgzcad-tree{background:linear-gradient(170deg,var(--navy),#101a30);border:1px solid #1f2b46;border-radius:var(--r);color:#dbe4f3;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--sh);min-height:200px;height:100%}
.rgzcad-treehead{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid #1f2b46;font-weight:800;font-size:13.5px;color:#fff}
.rgzcad-treehead b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rgzcad-treelist{display:flex;flex-direction:column;gap:2px;padding:8px;flex:1 1 auto;min-height:0;max-height:none;overflow:auto}
.rgzcad-tnode{display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:7px;padding:8px 9px;border-radius:11px;border:1px solid transparent;background:rgba(148,163,184,.05);cursor:pointer;transition:background .12s,border-color .12s}
.rgzcad-tnode:hover{background:rgba(148,163,184,.12)}
.rgzcad-tnode .tic{font-size:13px;opacity:.9}
.rgzcad-tnode .tnm{font-weight:800;font-size:12.8px;color:#fff}
.rgzcad-tnode small{grid-column:2/4;color:#8fa1bd;font-size:10.8px;margin-top:-2px}
.rgzcad-tnode.on{background:rgba(235,78,60,.16);border-color:rgba(235,78,60,.55)}
.rgzcad-tnode.ft{margin-left:16px}
.rgzcad-tnode.ghost{margin-left:16px;background:transparent;border-style:dashed;border-color:#2b3a5e}
.rgzcad-tnode.ghost .tnm{color:#8fa1bd}
.rgzcad-tnode .tdel{grid-column:3;grid-row:1;border:0;background:transparent;color:#f0897c;cursor:pointer;font-size:14px;line-height:1;padding:2px 5px;border-radius:7px;opacity:0}
.rgzcad-tnode:hover .tdel{opacity:1}
.rgzcad-tnode .tdel:hover{background:rgba(240,98,78,.25)}
.rgzcad-treeft{display:flex;gap:6px;padding:10px;border-top:1px solid #1f2b46}
.rgzcad-treeft button{flex:1;border:1px solid #2b3a5e;background:rgba(148,163,184,.1);color:#dbe4f3;border-radius:10px;padding:8px 4px;font-size:11.5px;font-weight:800;cursor:pointer}
.rgzcad-treeft button:hover{background:rgba(235,78,60,.2);border-color:rgba(235,78,60,.5);color:#fff}

/* ---------- center stage ---------- */
.rgzcad-center{position:relative;min-width:0}
.rgzcad-viewport-wrap{position:relative;display:flex;flex-direction:column;min-width:0}
.rgzcad-viewport{position:relative;height:clamp(480px,calc(100vh - 268px),900px);min-height:480px;border-radius:var(--r);overflow:hidden;background:#0e1526;border:1px solid #1e293b;box-shadow:var(--sh)}
.rgzcad-viewport [data-sketch-canvas]{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:crosshair;background:#0e1526}
.rgzcad-gl{position:absolute;inset:0}
.rgzcad-gl canvas{display:block;outline:none}
.rgzcad-sheet{position:absolute;inset:0;overflow:auto;background:#3b4254;display:none;padding:18px}
.rgzcad-stagenote{display:block;margin:8px 4px 0;color:var(--muted);font-size:12.5px}

/* bars */
.rgzcad-bar{position:absolute;left:10px;top:10px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;background:rgba(11,18,32,.88);border:1px solid rgba(148,163,184,.22);backdrop-filter:blur(6px);border-radius:16px;padding:6px 8px;max-width:calc(100% - 20px);z-index:6}
.rgzcad-bar .grp{display:flex;gap:3px;align-items:center;flex-wrap:wrap}
.rgzcad-bar .grp + .grp{border-left:1px solid rgba(148,163,184,.28);padding-left:8px}
.rgzcad-bar button{border:1px solid transparent;background:transparent;color:#cbd5e1;border-radius:10px;padding:6px 9px;font-size:12.5px;font-weight:700;cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;gap:5px}
.rgzcad-bar button i{font-style:normal;font-size:11px;color:#8fa1bd;font-weight:600}
.rgzcad-bar button:hover{background:rgba(148,163,184,.14);color:#fff}
.rgzcad-bar button:hover i{color:#cbd5e1}
.rgzcad-bar button.on{background:rgba(235,78,60,.18);border-color:rgba(235,78,60,.6);color:#ffb3a7}
.rgzcad-bar button.on i{color:#ffb3a7}
.rgzcad-closebtn{background:var(--rgzc-accent) !important;color:#fff !important;border-radius:999px;padding:8px 14px !important}
.rgzcad-closebtn:hover{background:#d5432f !important}
/* feature rail (sketch step): every PartDesign tool individually visible, always */
.rgzcad-makebar{left:auto;right:10px;top:10px;flex-direction:column;align-items:stretch;flex-wrap:nowrap}
.rgzcad-makebar .cap{color:#7d8aa5;font-size:9.5px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;padding:1px 4px 2px;white-space:nowrap}
.rgzcad-makebar button{justify-content:flex-start;width:100%}
.rgzcad-makebar button:hover i{color:#cbd5e1}
.rgzcad-glbar .hint{color:#7d8aa5;font-size:11px;padding:0 6px;white-space:nowrap}
.rgzcad-glbar select{background:#152238;color:#cbd5e1;border:1px solid rgba(148,163,184,.3);border-radius:8px;font:inherit;font-size:12px;font-weight:700;padding:5px 6px}
.rgzcad-glbar input[type=range]{accent-color:var(--rgzc-accent);width:110px;vertical-align:middle}
.rgzcad-sketchhint{position:absolute;left:12px;bottom:12px;background:rgba(11,18,32,.85);color:#c6d2e4;border:1px solid rgba(148,163,184,.25);padding:7px 12px;border-radius:12px;font-size:12px;pointer-events:none;max-width:70%;font-variant-numeric:tabular-nums}
.rgzcad-measuretag{position:absolute;left:12px;bottom:12px;background:rgba(235,78,60,.16);border:1px solid rgba(235,78,60,.55);color:#ffd7cf;padding:8px 12px;border-radius:12px;font-size:12.5px;font-weight:700;pointer-events:none;z-index:5}
.rgzcad-facehint{position:absolute;top:12px;right:12px;background:rgba(235,78,60,.2);border:1px solid rgba(235,78,60,.6);color:#ffe2da;padding:9px 14px;border-radius:12px;font-size:12.5px;pointer-events:none;z-index:7;max-width:46%}
.rgzcad-planehint{position:absolute;top:14px;left:50%;transform:translateX(-50%);background:rgba(11,18,32,.92);border:1px solid rgba(148,163,184,.32);color:#c6d2e4;padding:10px 18px;border-radius:14px;font-size:12.5px;line-height:1.65;pointer-events:none;z-index:7;text-align:center;max-width:min(520px,92%);box-shadow:0 10px 30px rgba(2,6,23,.4)}
.rgzcad-planehint b{color:#fff;font-size:13px}
.rgzcad-planehint .c-xy{color:#60a5fa;font-weight:800}
.rgzcad-planehint .c-xz{color:#34d399;font-weight:800}
.rgzcad-planehint .c-yz{color:#ff8a76;font-weight:800}
.rgzcad-tempty{padding:14px 12px;color:#8fa1bd;font-size:12px;line-height:1.7;text-align:center;border:1.5px dashed #2b3a5e;border-radius:12px;margin:6px 4px}
.rgzcad-tempty b{color:#dbe4f3;font-size:12.5px}
.rgzcad-webglnote{position:absolute;inset:0;display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;background:rgba(11,18,32,.94);color:#e5e7eb;text-align:center;padding:34px;line-height:1.7;z-index:4}
.rgzcad-webglnote b{font-size:15.5px;color:#fff;max-width:520px}
.rgzcad-webglnote span{color:#a8b6cf;font-size:13px;max-width:520px}
.rgzcad-webglnote .rgzcad-btn{background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.4);color:#e2e8f0}

/* ---------- right panel ---------- */
.rgzcad-panel{display:flex;flex-direction:column;gap:12px;min-width:0;height:100%;min-height:0;overflow-y:auto;padding-right:2px;scrollbar-gutter:stable}
.rgzcad-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 2px 10px rgba(2,6,23,.06);padding:14px 16px}
.rgzcad-card h3{font-size:15px;margin-bottom:8px}
.rgzcad-card h4.rgzcad-listhead{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:12px 0 6px}
.rgzcad-card .sub{color:var(--muted);font-size:12px;margin:-4px 0 10px}
.rgzcad-row{display:flex;align-items:center;gap:8px;margin:8px 0}
.rgzcad-row.wrap{flex-wrap:wrap}
.rgzcad-row label{flex:0 0 auto;color:var(--muted);font-size:12.5px;font-weight:700}
.rgzcad-row input[type=number],.rgzcad-row input[type=text],.rgzcad-row select{flex:1;min-width:0;border:1.5px solid var(--line);border-radius:10px;padding:7px 9px;font:inherit;font-size:13.5px;background:#fff;color:var(--ink)}
.rgzcad-row input:focus,.rgzcad-row select:focus{outline:none;border-color:var(--rgzc-accent);box-shadow:0 0 0 3px rgba(235,78,60,.13)}
.rgzcad-row .unit{color:var(--muted);font-size:12px;min-width:24px}
.rgzcad-dims.tworow,.rgzcad-entity .dims{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;margin:8px 0}
.rgzcad-dims .fld,.rgzcad-entity .dims .fld{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted)}
.rgzcad-dims .fld label{white-space:nowrap;font-size:11.5px;font-weight:700}
.rgzcad-dims .fld input,.rgzcad-entity .dims input{width:100%;min-width:0;border:1.5px solid var(--line);border-radius:8px;padding:6px 7px;font:inherit;font-size:12.5px}
.rgzcad-dims .fld input:focus{outline:none;border-color:var(--rgzc-accent)}
.rgzcad-elist{display:flex;flex-direction:column;gap:4px;max-height:220px;overflow:auto}
.rgzcad-elist .row{display:flex;justify-content:space-between;align-items:center;gap:8px;text-align:left;border:1px solid var(--line);background:#fcfdff;border-radius:10px;padding:7px 10px;cursor:pointer;font-size:12.5px;font-weight:700;color:var(--ink)}
.rgzcad-elist .row small{color:var(--muted);font-weight:600;font-size:11px;white-space:nowrap}
.rgzcad-elist .row:hover{border-color:#cbd5e1}
.rgzcad-elist .row.on{border-color:var(--rgzc-accent);background:#fff5f3;box-shadow:0 0 0 2px rgba(235,78,60,.12)}
.rgzcad-tol{margin-top:8px;border-top:1px dashed var(--line);padding-top:8px}
.rgzcad-tol label.sw{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);cursor:pointer;font-weight:700}
.rgzcad-tol .fields{display:none;grid-template-columns:1fr 1fr;gap:6px;margin-top:6px}
.rgzcad-tol.on .fields{display:grid}
.rgzcad-tol .fields input{width:100%;border:1.5px solid #f0c4bb;border-radius:8px;padding:5px 7px;font:inherit;font-size:12.5px;background:#fff7f5}
.rgzcad-tol .auto{margin-top:6px;border:0;background:#eef2f7;color:#334155;font-size:11.5px;font-weight:700;border-radius:8px;padding:5px 8px;cursor:pointer}
.rgzcad-tol .auto:hover{background:#e2e8f0}

/* buttons */
.rgzcad-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;padding:9px 16px;font-weight:800;font-size:13px;cursor:pointer;border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.rgzcad-btn:hover{border-color:#cbd5e1}
.rgzcad-btn.brand{background:var(--rgzc-accent);border-color:var(--rgzc-accent);color:#fff}
.rgzcad-btn.brand:hover{background:#d5432f;border-color:#d5432f}
.rgzcad-btn.brand:disabled{background:#94a3b8;border-color:#94a3b8;cursor:not-allowed}
.rgzcad-btn.ghost{background:#f1f5f9}
.rgzcad-btn.block{display:flex;width:100%;margin-top:6px}
.rgzcad-btn.mini{padding:6px 11px;font-size:12px;font-weight:700;border-radius:9px}
.rgzcad-btn.danger{border-color:#fecaca;color:var(--err);background:#fff}
.rgzcad-btn.danger:hover{background:#fef2f2;border-color:#f87171}

/* kpis & misc */
.rgzcad-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.rgzcad-kpi{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:8px 6px;text-align:center}
.rgzcad-kpi b{display:block;font-size:14.5px}
.rgzcad-kpi span{font-size:10.5px;color:var(--muted)}
.rgzcad-note{font-size:12px;color:var(--muted);background:#f8fafc;border:1px dashed var(--line);border-radius:10px;padding:8px 10px;margin-top:8px}
.rgzcad-note b{color:var(--ink)}
.rgzcad-note input{border:1.5px solid var(--line);border-radius:8px;padding:4px 6px;font:inherit;font-size:12px}
.rgzcad-selectmat{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.rgzcad-mat{border:1.5px solid var(--line);border-radius:12px;padding:8px;cursor:pointer;display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;background:#fff}
.rgzcad-mat .sw{width:20px;height:20px;border-radius:6px;border:1px solid rgba(0,0,0,.15);flex:0 0 auto}
.rgzcad-mat.on{border-color:var(--rgzc-accent);box-shadow:0 0 0 3px rgba(235,78,60,.12)}
.rgzcad-check{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 2px;font-size:13px;font-weight:600}
.rgzcad-check input{accent-color:var(--rgzc-accent);width:16px;height:16px}
.rgzcad-empty{color:#5b6b85;background:#f8fafc;border:1.5px dashed var(--line);border-radius:12px;padding:14px;text-align:center;font-size:12.5px;line-height:1.6}

/* ---------- modals ---------- */
.rgzcad-modal{position:fixed;inset:0;z-index:100000;background:rgba(2,6,23,.6);display:grid;place-items:center;padding:18px}
.rgzcad-modal-card{background:#fff;max-width:440px;width:100%;max-height:86vh;border-radius:18px;overflow:auto;display:flex;flex-direction:column;box-shadow:0 30px 80px rgba(0,0,0,.4);position:relative;padding:20px 22px}
.rgzcad-modal-card.wide{max-width:640px}
.rgzcad-modal-card h3{font-size:1.12rem;color:var(--ink)}
.rgzcad-modal-card .sub{color:var(--muted);font-size:12.5px;margin:4px 0 14px}
.rgzcad-x{border:0;background:#f1f5f9;color:#334155;width:34px;height:34px;border-radius:50%;font-size:18px;cursor:pointer;position:absolute;right:14px;top:14px;line-height:1;z-index:2}
.rgzcad-x:hover{background:#e2e8f0;color:#0f172a}
.rgzcad-auth-body{display:flex;flex-direction:column;gap:10px}
.rgzcad-auth-body input{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px;background:#fff;color:var(--ink)}
.rgzcad-auth-body input:focus{outline:none;border-color:var(--rgzc-accent);box-shadow:0 0 0 3px rgba(235,78,60,.13)}
.rgzcad-auth-err{min-height:18px;color:var(--err);font-size:12.5px;font-weight:700;margin-top:8px}
.rgzcad-tabs{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1.5px solid var(--line);border-radius:12px;overflow:hidden}
.rgzcad-tabs button{border:0;background:#f8fafc;color:var(--muted);padding:9px 6px;font-weight:800;font-size:13px;cursor:pointer}
.rgzcad-tabs button.on{background:var(--rgzc-accent);color:#fff}
.rgzcad-signed{background:#f0fdf4;border:1px solid #bbf7d0;color:#14532d;border-radius:12px;padding:10px 12px;font-size:13px}
.rgzcad-designs-body{display:flex;flex-direction:column;gap:10px}
.rgzcad-dlist{display:flex;flex-direction:column;gap:8px;max-height:50vh;overflow:auto}
.rgzcad-drow{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);border-radius:12px;padding:9px 12px;background:#fcfdff}
.rgzcad-drow .meta b{display:block;font-size:13.5px}
.rgzcad-drow .meta small{color:var(--muted);font-size:11.5px;display:block}
.rgzcad-drow .ops{display:flex;gap:6px;flex:0 0 auto}
.rgzcad-starters-body .rgzcad-note{margin-top:2px}
.rgzcad-stgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.rgzcad-stgrid{grid-template-columns:1fr}}
.rgzcad-stcard{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fcfdff}
.rgzcad-stcard h4{margin:0;font-size:14px;color:var(--ink)}
.rgzcad-stcard p{margin:0;flex:1;color:var(--muted);font-size:12.5px;line-height:1.5}
.rgzcad-sttop{display:flex;flex-wrap:wrap;gap:5px;align-items:center}
.rgzcad-stlevel{font-size:10.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#fff;background:var(--rgzc-accent);border-radius:99px;padding:3px 9px}
.rgzcad-sttag{font-size:11px;font-weight:700;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:2px 8px;background:#fff}

/* ---------- tour ---------- */
/* the tour overlay is appended to <body>, OUTSIDE .rgzcad — the --rgzc-accent
   token is undefined there, so accent usages here MUST be hardcoded #eb4e3c,
   otherwise buttons render with a transparent fill (invisible white text) */
.rgzcad-tour{position:fixed;inset:0;z-index:100001;pointer-events:none}
.rgzcad-tour .spot{position:absolute;border:2.5px solid #eb4e3c;border-radius:12px;box-shadow:0 0 0 4000px rgba(2,6,23,.55);transition:all .25s}
.rgzcad-tour .card{position:absolute;pointer-events:auto;background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.35);padding:14px 16px;max-width:330px}
.rgzcad-tour .card h4{margin:0 0 4px;font-size:14.5px;color:#0f172a}
.rgzcad-tour .card p{margin:0;font-size:12.8px;color:#334155}
.rgzcad-tour .foot{display:flex;justify-content:space-between;align-items:center;margin-top:10px}
.rgzcad-tour .dots{display:flex;gap:4px}
.rgzcad-tour .dots i{width:7px;height:7px;border-radius:50%;background:#cbd5e1}
.rgzcad-tour .dots i.on{background:#eb4e3c}
.rgzcad-tour .acts{display:flex;gap:8px}
.rgzcad-tour .acts button{border-radius:999px;padding:6px 13px;font-weight:800;font-size:12px;cursor:pointer;border:1.5px solid #e2e8f0;background:#fff;color:#334155}
.rgzcad-tour .acts .next{background:#eb4e3c;border-color:#eb4e3c;color:#fff;box-shadow:0 4px 14px rgba(235,78,60,.35)}
.rgzcad-tour .acts .next:hover{background:#d5432f;border-color:#d5432f;color:#fff}

/* ---------- sheet ---------- */
.rgzcad-sheetpage{background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.45);margin:0 auto;position:relative}

/* ---------- fullscreen ---------- */
.rgzcad:fullscreen,.rgzcad.rgzcad-fs{max-width:none;margin:0;padding:14px;background:#0b1220;overflow:auto}
.rgzcad.rgzcad-fs{position:fixed;inset:0;z-index:99998}
.rgzcad:fullscreen .rgzcad-viewport,.rgzcad.rgzcad-fs .rgzcad-viewport{height:calc(100vh - 248px);min-height:420px;max-height:none}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .rgzcad-work{grid-template-columns:210px minmax(0,1fr) 300px}
}
@media (max-width:1020px){
  .rgzcad-work{grid-template-columns:1fr 1fr}
  .rgzcad-center{grid-column:1/-1;order:3}
  .rgzcad-steps{grid-template-columns:repeat(3,1fr)}
  .rgzcad-hero{flex-direction:column;align-items:flex-start}
}
@media (max-width:620px){
  .rgzcad-work{grid-template-columns:1fr}
  .rgzcad-viewport{min-height:380px;height:58vh}
  .rgzcad-kpis{grid-template-columns:repeat(2,1fr)}
  .rgzcad-glbar .hint{display:none}
  .rgzcad-bar button i{display:none}
}

/* Update 17 — multi-select, constraints, edge picking */
.rgzcad-chip{display:inline-flex;align-items:center;gap:4px;background:#1b2740;border:1px solid #33405e;color:#dbe4f5;border-radius:999px;padding:2px 8px 2px 10px;font-size:11px;font-weight:600}
.rgzcad-chip .x{background:none;border:none;color:#8ea0c2;cursor:pointer;padding:0 2px;font-size:13px;line-height:1}
.rgzcad-chip .x:hover{color:#eb4e3c}
.rgzcad-modebar .grp.rgzcad-geo button.on{background:#eb4e3c;border-color:#eb4e3c;color:#fff}
.rgzcad-facehint.rgzcad-edgehint{border-color:#f5b054;color:#ffd7c9}
.rgzcad-elist .row.on{outline:1px solid #eb4e3c}

/* ---------- Update 19: definition dialogs, richer tree, view picker ---------- */
.rgzcad{position:relative}
.rgzcad-modal[hidden]{display:none !important}
/* definition dialogs (created dynamically with data-cadmodal, shown via .on class) —
   scoped so they can never hide the account/designs modals, which use the hidden attr */
.rgzcad-modal[data-cadmodal]{display:none;position:absolute;inset:0;z-index:90;background:rgba(5,9,17,.58);backdrop-filter:blur(2px);align-items:center;justify-content:center;border-radius:18px}
.rgzcad-modal[data-cadmodal].on{display:flex}
.rgzcad-modal[data-cadmodal] .box{width:460px;max-width:94%;max-height:86%;display:flex;flex-direction:column;background:linear-gradient(170deg,#182238,#111a2e);border:1px solid #2c3a5e;border-radius:16px;box-shadow:0 26px 80px rgba(0,0,0,.55);overflow:hidden}
.rgzcad-modal[data-cadmodal] .mhead{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-bottom:1px solid #223052;background:rgba(235,78,60,.10)}
.rgzcad-modal[data-cadmodal] .mhead b{color:#fff;font-size:14px;letter-spacing:.01em}
.rgzcad-modal[data-cadmodal] .mhead .x{border:0;background:transparent;color:#8fa1bd;font-size:20px;line-height:1;cursor:pointer;padding:2px 8px;border-radius:8px}
.rgzcad-modal[data-cadmodal] .mhead .x:hover{background:rgba(240,98,78,.22);color:#fff}
.rgzcad-modal[data-cadmodal] .mbody{padding:14px 16px;display:flex;flex-direction:column;gap:10px;overflow:auto}
.rgzcad-modal[data-cadmodal] .mfoot{display:flex;gap:8px;justify-content:flex-end;padding:12px 16px;border-top:1px solid #223052}
.rgzcad-mrow{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#aebbd4}
.rgzcad-mrow>label{flex:0 0 138px;font-weight:700}
.rgzcad-mrow input[type=number],.rgzcad-mrow input[type=text],.rgzcad-mrow select{background:#0d1526;border:1px solid #2c3a5e;color:#e8edf6;border-radius:8px;padding:6px 8px;font-size:12.5px;width:88px}
.rgzcad-mrow input[type=text]{flex:1}
.rgzcad-mrow select{flex:1;width:auto}
.rgzcad-mrow input:disabled{opacity:.55}
.rgzcad-mrow small{color:#7e8db0;font-size:11px}
.rgzcad-modal[data-cadmodal] .rgzcad-note{margin:2px 0}
.rgzcad-modal[data-cadmodal] .rgzcad-check{color:#dbe4f5}
.rgzcad-tnode.sub{margin-left:34px;padding:5px 9px;background:transparent}
.rgzcad-tnode.sub .tnm{font-weight:700;font-size:12px;color:#cdd8ec}
.rgzcad-tnode.hole .tic{color:#f5b054}
.rgzcad-tnode.hg{grid-template-columns:22px 1fr auto auto}
.rgzcad-tnode.hg small{grid-column:2/5}
.rgzcad-tnode .tgear{grid-column:3;grid-row:1;border:0;background:transparent;color:#9fb0c8;cursor:pointer;font-size:13px;line-height:1;padding:2px 5px;border-radius:7px;opacity:.6}
.rgzcad-tnode:hover .tgear{opacity:1}
.rgzcad-tnode .tgear:hover{background:rgba(235,78,60,.28);color:#fff}
.rgzcad-tnode.hg .tdel{grid-column:4}
.rgzcad-views{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 8px;margin:2px 0 6px}
.rgzcad-views .rgzcad-check{padding:4px 2px;font-size:12px}
.rgzcad-btn.block{display:flex;width:100%}