/* Aakaar CAD workspace (2.6.0). Laid out like a desktop CAD program (title bar, ribbon, drawing tabs, viewport with navigation, command line, status bar)
   in the Aakaar palette: warm ink surfaces, paper text, rust accent. Text is never below 12px. */
.cad-page,.cad-page body{margin:0;height:100%;overflow:hidden}
#cad-root{--rust:#8f301b;--rust-l:#d9704d;--paper:#fbf6f2;--ink:#1d1917;--bg:#1d1917;--bg2:#26211e;--bg3:#322b27;--bg4:#3d3531;--line:#443a34;--fg:#f3ede7;--fg2:#b9ada3;--acc:#e0795a;--ok:#5fb37a;--bad:#ff7a6b;--warn:#e6b04a;--sel:#6aa6ff;--cross:#6fcf8a;
	position:fixed;inset:0;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto auto minmax(0,1fr) auto;font:13px/1.4 Geist,"Helvetica Neue",Arial,system-ui,sans-serif;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}
#cad-root[data-theme=light]{--bg:#fbf6f2;--bg2:#f2e9e1;--bg3:#e8ddd3;--bg4:#ddd0c5;--line:#d6c9be;--fg:#1d1917;--fg2:#6b625b;--acc:#8f301b;--ok:#2f6b3a;--bad:#a1271a;--warn:#8a5a00;--sel:#0b6ae0;--cross:#1f7a3b}
#cad-root *{box-sizing:border-box}
#cad-root button,#cad-root select,#cad-root input,#cad-root textarea{font:inherit;color:inherit}
#cad-root [hidden]{display:none!important}
#cad-root .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
#cad-root :focus-visible{outline:3px solid var(--acc);outline-offset:1px}
.cad-skip{position:absolute;left:-999px;top:0;background:var(--rust);color:#fff;padding:6px 10px;z-index:100}.cad-skip:focus{left:4px;top:4px}
.cad-compat,.cad-fatal{padding:16px;background:var(--bad);color:#000}

/* title bar */
.cad-title{display:flex;align-items:center;gap:6px;padding:0 8px 0 0;background:var(--bg);border-bottom:1px solid var(--line);min-height:40px;min-width:0}
.cad-appbtn{width:40px;align-self:stretch;display:flex;align-items:center;justify-content:center;background:var(--rust);border:0;cursor:pointer;color:#fff;flex:none}
.cad-appbtn:hover{background:var(--rust-l)}.cad-appbtn img{border-radius:3px;background:#fff;padding:1px}
.cad-logo-a{font:700 18px/1 Geist,Arial,sans-serif}
.cad-qat{display:flex;align-items:center;gap:1px;flex:none}
.cad-titletext{display:flex;align-items:center;gap:8px;flex:1;min-width:0;justify-content:center;font-size:13px}
.cad-brandname{color:var(--fg);text-decoration:none;font-weight:500;white-space:nowrap}.cad-brandname b{color:var(--acc);font-weight:600}
.cad-badge{font:600 12px/1 "IBM Plex Mono",monospace;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--acc);color:var(--acc);padding:2px 5px;border-radius:3px;font-style:normal}
.cad-name{background:none;border:1px solid transparent;border-radius:4px;padding:3px 7px;cursor:pointer;display:flex;align-items:center;gap:6px;max-width:300px;min-width:0}.cad-name:hover{border-color:var(--line)}
.cad-name span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cad-dirty{width:8px;height:8px;border-radius:50%;background:var(--warn);display:inline-block;flex:none}
.cad-chip{font:500 12px/1 "IBM Plex Mono",monospace;border:1px solid var(--line);padding:3px 6px;border-radius:3px;color:var(--fg2);white-space:nowrap}.cad-chip.warn{color:var(--warn);border-color:var(--warn)}
.cad-autosave{font-size:12px;color:var(--fg2);white-space:nowrap}.cad-autosave.bad{color:var(--bad)}
.cad-find{position:relative;display:flex;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--line);border-radius:4px;padding:0 8px;width:210px;flex:none;color:var(--fg2)}
.cad-find input{background:none;border:0;outline:0;padding:6px 0;width:100%;min-width:0}.cad-find:focus-within{border-color:var(--acc)}
.cad-find-list{top:100%;bottom:auto;margin:4px 0 0;left:0;right:0;min-width:240px}
.cad-units select{background:var(--bg2);border:1px solid var(--line);border-radius:4px;padding:4px 5px;max-width:130px}
.cad-userbox{display:flex;align-items:center;flex:none}
.cad-signin{display:inline-flex;align-items:center;gap:6px;color:var(--fg);text-decoration:none;padding:5px 9px;border-radius:5px;border:1px solid var(--line);white-space:nowrap}.cad-signin:hover{border-color:var(--acc)}
.cad-avatar{width:30px;height:30px;border-radius:50%;background:var(--rust);color:#fff;border:0;font-weight:600;cursor:pointer;font-size:12px}
.cad-sep{width:1px;height:20px;background:var(--line);margin:0 5px}
.cad-btn{background:none;border:1px solid transparent;border-radius:5px;padding:6px 7px;cursor:pointer;display:inline-flex;align-items:center;color:var(--fg);min-width:32px;min-height:32px;justify-content:center}
.cad-btn:hover{background:var(--bg3)}.cad-btn:disabled{opacity:.35}.cad-btn.on,.cad-btn[aria-pressed=true]{background:var(--rust);color:#fff}
[data-tip]{position:relative}
[data-tip]:hover::after,[data-tip]:focus-visible::after{content:attr(data-tip);position:absolute;left:50%;top:calc(100% + 6px);transform:translateX(-50%);background:#000;color:#fff;padding:4px 7px;border-radius:4px;font:400 12px/1.3 Geist,sans-serif;white-space:nowrap;z-index:60;pointer-events:none}
.cad-status [data-tip]:hover::after,.cad-lay-bar [data-tip]:hover::after,.cad-nav [data-tip]:hover::after,.cad-cmdrow [data-tip]:hover::after{top:auto;bottom:calc(100% + 6px)}
.cad-nav [data-tip]:hover::after{left:auto;right:calc(100% + 6px);bottom:auto;top:50%;transform:translateY(-50%)}

/* ribbon */
.cad-ribbon{background:var(--bg2);border-bottom:1px solid var(--line);min-width:0}
.cad-rtabs{display:flex;gap:0;padding:0 8px;background:var(--bg);overflow-x:auto;scrollbar-width:none}
.cad-tab{background:none;border:0;border-bottom:2px solid transparent;padding:7px 14px;cursor:pointer;color:var(--fg2);font-weight:500;white-space:nowrap}
.cad-tab[aria-selected=true]{color:var(--fg);background:var(--bg2);border-bottom-color:var(--acc)}.cad-tab:hover{color:var(--fg)}
.cad-tab-gap{flex:1}.cad-tab-toggle[aria-pressed=true]{color:var(--acc)}
.cad-rpanels{display:flex;align-items:stretch;gap:0;padding:4px 6px 0;overflow-x:auto;min-height:92px;scrollbar-width:thin}
.rb-panel{display:flex;flex-direction:column;border-right:1px solid var(--line);padding:0 8px;flex:none}
.rb-items{display:flex;align-items:stretch;gap:2px;flex:1;min-height:0}
.rb-name{font-size:12px;color:var(--fg2);text-align:center;padding:3px 0 4px;white-space:nowrap}
.rb-col{display:flex;flex-direction:column;justify-content:center;gap:1px}
.cad-tool{display:flex;align-items:center;gap:6px;background:none;border:1px solid transparent;border-radius:4px;cursor:pointer;color:var(--fg);text-align:left}
.cad-tool:hover{background:var(--bg3);border-color:var(--line)}.cad-tool.on{background:var(--rust);border-color:var(--rust-l);color:#fff}
.cad-tool.rb-l{flex-direction:column;justify-content:flex-start;padding:5px 6px;min-width:58px;gap:4px}.cad-tool.rb-l span{font-size:12px;line-height:1.15;text-align:center;max-width:78px}
.cad-tool.rb-s{padding:3px 6px;min-height:26px}.cad-tool.rb-s span{font-size:12px;white-space:nowrap}
.cad-tool.rb-i{padding:4px;min-width:28px;justify-content:center}
.cad-tool .ic{flex:none}

/* drawing tabs */
.cad-dtabs{display:flex;align-items:flex-end;gap:2px;padding:4px 8px 0;background:var(--bg);border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none;min-height:32px}
.cad-dtab{background:none;border:0;padding:6px 12px;cursor:pointer;color:var(--fg2);display:flex;align-items:center;gap:7px;white-space:nowrap;max-width:240px}
.cad-dtab-start{border-radius:5px 5px 0 0}
.cad-dtab[aria-selected=true]{color:var(--fg)}
.cad-dtab-n{overflow:hidden;text-overflow:ellipsis}
.cad-dtab-w{display:flex;align-items:center;border-radius:5px 5px 0 0}.cad-dtab-w.on{background:var(--bg2);box-shadow:inset 0 2px 0 var(--acc)}.cad-dtab-w:hover{background:var(--bg2)}
.cad-dtab-x,.cad-dtab-add{background:none;border:0;cursor:pointer;color:var(--fg2);display:inline-flex;align-items:center;justify-content:center;border-radius:4px}
.cad-dtab-x{width:22px;height:22px;margin-right:4px}.cad-dtab-x:hover,.cad-dtab-add:hover{background:var(--bg3);color:var(--fg)}
.cad-dtab-add{width:28px;height:26px;margin-bottom:2px}
.cad-dtab-start[aria-selected=true]{background:var(--bg2);box-shadow:inset 0 2px 0 var(--acc)}

/* body, palettes, viewport */
.cad-body{display:grid;grid-template-columns:auto minmax(0,1fr) auto;min-height:0}
.cad-left{grid-column:1}.cad-view{grid-column:2}.cad-rightp{grid-column:3}
.cad-left,.cad-rightp{width:310px;background:var(--bg2);display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line)}.cad-rightp{border-right:0;border-left:1px solid var(--line);width:300px}
.no-left .cad-left,.no-right .cad-rightp{display:none}
.cad-panel-h{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 0 6px;border-bottom:1px solid var(--line)}
.cad-ptabs button{background:none;border:0;border-bottom:2px solid var(--acc);padding:6px 8px;font-weight:600;cursor:default}
.cad-x{background:none;border:0;cursor:pointer;color:var(--fg2);padding:4px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;min-width:28px;min-height:28px}.cad-x:hover{background:var(--bg3);color:var(--fg)}
.cad-panel-b{overflow:auto;padding:8px;flex:1;min-height:0}
.cad-view{position:relative;overflow:hidden;min-width:0;background:#000;outline:none}
.cad-view canvas{position:absolute;inset:0;display:block;touch-action:none}#cad-over{outline:none}
.cad-vlabel{position:absolute;left:8px;top:6px;display:flex;gap:2px;z-index:4;font:12px "IBM Plex Mono",monospace}
.cad-vlabel button{background:none;border:0;color:var(--fg2);cursor:pointer;padding:3px 4px;border-radius:3px}.cad-vlabel button:hover{color:var(--fg);background:rgba(128,128,128,.2)}
.cad-compass{position:absolute;right:46px;top:6px;width:84px;height:84px;z-index:4}
.cad-compass svg{position:absolute;inset:0}.cc-ring{fill:none;stroke:var(--fg2);stroke-width:1.5;opacity:.7}.cc-face{fill:rgba(128,128,128,.25);stroke:var(--fg2);stroke-width:1.2}
.cc-top{fill:var(--fg);font:600 12px Geist,Arial,sans-serif}.cc-n{fill:var(--fg2);font:600 12px Geist,Arial,sans-serif}
.cc-hit{position:absolute;inset:0;background:none;border:0;cursor:pointer;border-radius:50%}
.cad-nav{position:absolute;right:6px;top:96px;display:flex;flex-direction:column;gap:2px;background:rgba(38,33,30,.78);border:1px solid var(--line);border-radius:7px;padding:3px;z-index:4}
#cad-root[data-theme=light] .cad-nav{background:rgba(242,233,225,.9)}
.cad-ucs{position:absolute;left:14px;bottom:78px;z-index:3;color:var(--fg2);pointer-events:none}.cad-ucs path,.cad-ucs rect{stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.cad-ucs text{fill:currentColor;font:600 12px Geist,Arial,sans-serif;stroke:none}
.cad-corner{position:absolute;left:6px;bottom:6px;display:none;gap:2px}.no-left .cad-corner,.no-right .cad-corner{display:none}
.cad-dyn,.cad-snaptip{position:absolute;left:0;top:0;pointer-events:none;background:rgba(0,0,0,.82);color:#fff;font:500 12px/1.3 "IBM Plex Mono",monospace;padding:4px 7px;border-radius:4px;white-space:nowrap;z-index:5}
.cad-dyn:has(input:not([hidden])){pointer-events:auto}.cad-dyn .dyn-f{display:inline-block;margin-left:6px}.cad-dyn input{width:78px;background:#222;border:1px solid var(--acc);color:#fff;padding:2px 4px;font:inherit}
.cad-snaptip{background:var(--rust)}
.cad-textbox{position:absolute;left:0;top:0;z-index:8}.cad-textbox textarea{background:rgba(0,0,0,.85);color:#fff;border:1px solid var(--acc);padding:3px 5px;font-family:Geist,sans-serif;resize:both;min-width:120px}
.cad-measure{position:absolute;left:8px;top:30px;background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:230px;max-width:320px;z-index:6;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.cad-m-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.cad-m-r{display:grid;grid-template-columns:90px 1fr auto;align-items:center;gap:6px;padding:2px 0;border-top:1px solid var(--line)}.cad-m-r span{color:var(--fg2)}.cad-m-r output{font:500 12.5px "IBM Plex Mono",monospace}
.cad-copy{background:none;border:0;cursor:pointer;color:var(--fg2);padding:2px}.cad-copy:hover{color:var(--fg)}
.cad-m-f{display:flex;gap:8px;align-items:center;margin-top:6px;font-size:12px;color:var(--fg2)}
.cad-busy{position:absolute;inset:0;background:rgba(0,0,0,.55);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;z-index:30;color:#fff}
.cad-spin{width:26px;height:26px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:cadspin .9s linear infinite}@keyframes cadspin{to{transform:rotate(360deg)}}
.cad-bar{width:220px;height:4px;background:rgba(255,255,255,.2);border-radius:2px;overflow:hidden}.cad-bar i{display:block;height:100%;background:var(--acc);transition:width .2s}
.cad-busy.indet .cad-bar i{animation:cadind 1.2s ease-in-out infinite}@keyframes cadind{0%{margin-left:-35%}100%{margin-left:100%}}
@media (prefers-reduced-motion:reduce){.cad-spin,.cad-busy.indet .cad-bar i{animation:none}}
.cad-drop{position:absolute;inset:8px;border:2px dashed var(--acc);border-radius:10px;background:rgba(143,48,27,.18);display:flex;align-items:center;justify-content:center;z-index:40;font-size:16px;pointer-events:none;color:#fff}
.cad-viewer-note{position:absolute;left:8px;right:8px;top:30px;background:var(--bg2);border:1px solid var(--line);padding:6px 9px;border-radius:6px;font-size:12px;z-index:4}

/* block editor banner */
.cad-bedit{position:absolute;left:50%;top:8px;transform:translateX(-50%);z-index:7;display:flex;align-items:center;gap:10px;background:var(--rust);color:#fff;border-radius:6px;padding:5px 8px 5px 12px;box-shadow:0 6px 18px rgba(0,0,0,.35)}
#cad-root .cad-bedit .cad-b{padding:3px 9px}#cad-root .cad-bedit .cad-b.primary{background:#fff;color:#8f301b;border-color:#fff}#cad-root .cad-bedit .cad-b.ghost{background:none;color:#fff;border-color:rgba(255,255,255,.6)}

/* floating command line */
.cad-cmd{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);width:min(780px,calc(100% - 150px));z-index:6;background:rgba(29,25,23,.88);border:1px solid var(--line);border-radius:6px;padding:4px 6px}
#cad-root[data-theme=light] .cad-cmd{background:rgba(251,246,242,.92)}
.cad-log{max-height:3.9em;overflow:hidden;font:12px/1.3 "IBM Plex Mono",monospace;color:var(--fg2);display:flex;flex-direction:column;justify-content:flex-end;min-height:0}
.log-open .cad-log{max-height:min(46vh,320px);overflow:auto;display:block}
.cad-log .log-echo{color:var(--fg)}.cad-log .log-error{color:var(--bad)}.cad-log .log-warn{color:var(--warn)}.cad-log .log-result{color:var(--ok)}.cad-log .log-cmd{color:var(--acc);font-weight:600}
.cad-cmdrow{display:flex;align-items:center;gap:6px;position:relative;flex-wrap:wrap}
.cad-cmdb{background:none;border:0;cursor:pointer;color:var(--fg2);padding:3px;border-radius:3px;display:inline-flex;min-width:24px;min-height:24px;align-items:center;justify-content:center}.cad-cmdb:hover{background:var(--bg3);color:var(--fg)}
.log-open #cad-log-toggle .ic{transform:rotate(180deg)}
.cad-prompt{color:var(--acc);font:500 12px "IBM Plex Mono",monospace;max-width:50%}
.cad-cmdin{flex:1;min-width:140px;background:var(--bg3);border:1px solid var(--line);border-radius:4px;padding:5px 8px;font:13px "IBM Plex Mono",monospace}
.cad-kw{display:flex;gap:4px;flex-wrap:wrap}.cad-kwb{background:var(--bg3);border:1px solid var(--line);border-radius:12px;padding:2px 9px;cursor:pointer;font-size:12px}.cad-kwb:hover{border-color:var(--acc)}.cad-kwb.ghost{background:none;color:var(--fg2)}
.cad-sug{position:absolute;left:0;bottom:100%;margin:0 0 4px;padding:3px;list-style:none;background:var(--bg3);border:1px solid var(--line);border-radius:6px;min-width:260px;z-index:20}
.cad-sug li{padding:4px 8px;border-radius:4px;cursor:pointer}.cad-sug li:hover{background:var(--rust);color:#fff}.cad-sug span{color:var(--fg2);margin-left:6px}.cad-sug li:hover span{color:#fff}

/* status bar */
.cad-status{display:flex;align-items:center;gap:10px;padding:2px 10px;background:var(--bg);border-top:1px solid var(--line);font:12px "IBM Plex Mono",monospace;flex-wrap:wrap;min-height:28px}
.cad-spaces{display:flex;align-items:flex-end;gap:1px;max-width:48%;overflow-x:auto;scrollbar-width:thin}
.cad-sp{background:none;border:0;border-bottom:2px solid transparent;color:var(--fg2);padding:3px 10px;cursor:pointer;font:12px "IBM Plex Mono",monospace;white-space:nowrap}
.cad-sp:hover{color:var(--fg)}.cad-sp.on{color:var(--fg);border-bottom-color:var(--acc)}.cad-sp.add{padding:3px 8px;font-weight:700}
.cad-sp-in{background:var(--bg3);border:1px solid var(--acc);color:var(--fg);padding:2px 6px;font:12px "IBM Plex Mono",monospace;width:110px;border-radius:3px}
.cad-coord{min-width:150px;color:var(--fg)}.cad-modes{display:flex;gap:2px;flex-wrap:wrap}
.cad-mode{background:none;border:1px solid transparent;border-radius:3px;padding:3px 7px;cursor:pointer;color:var(--fg2);font:600 12px "IBM Plex Mono",monospace;letter-spacing:.03em}
.cad-mode.on{color:#fff;background:var(--rust)}.cad-mode:hover{border-color:var(--line)}
.cad-stat-s{margin-left:auto;color:var(--fg2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46%}.cad-stat-s.bad{color:var(--bad)}.cad-stat-u{color:var(--fg2)}

/* Start page (recent drawings kept in this browser) */
.cad-start{position:absolute;inset:0;z-index:20;background:var(--bg2);display:grid;grid-template-columns:230px minmax(0,1fr);overflow:auto}
.on-start .cad-cmd,.on-start .cad-nav,.on-start .cad-compass,.on-start .cad-ucs,.on-start .cad-vlabel{display:none}
.st-side{background:var(--bg);border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;gap:10px}
.st-h{margin:0 0 8px;font:600 18px Geist,Arial,sans-serif}
.st-new,.st-up{display:flex;justify-content:space-between;align-items:center;gap:8px;background:var(--bg2);border:1px solid var(--line);color:var(--fg);padding:9px 11px;border-radius:4px;cursor:pointer;text-align:left}
.st-new{background:var(--rust);border-color:var(--rust);color:#fff}.st-new:hover{background:var(--rust-l)}.st-up:hover{border-color:var(--acc)}
.st-nav{display:flex;flex-direction:column;margin-top:14px}.st-nav a{padding:9px 6px;color:var(--fg2);text-decoration:none;border-radius:4px}.st-nav a:hover{color:var(--fg);background:var(--bg2)}.st-nav a.on{color:var(--fg);background:var(--bg2);box-shadow:inset 3px 0 var(--acc)}
.st-main{padding:18px 26px;min-width:0}
.st-top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.st-crumb{display:flex;align-items:center;gap:8px;color:var(--fg2)}.st-crumb b{color:var(--fg)}.st-slash{opacity:.5}
.st-search{display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--fg2);color:var(--fg2);padding:2px 2px;min-width:240px}.st-q{background:none;border:0;outline:0;flex:1;padding:5px 0;min-width:0;color:var(--fg)}
.st-bar{display:flex;gap:6px;margin:14px 0 10px}
.st-tb{display:inline-flex;align-items:center;gap:7px;background:none;border:1px solid transparent;border-radius:4px;padding:6px 10px;cursor:pointer;color:var(--fg)}.st-tb:hover{background:var(--bg3)}
.st-table{border-radius:4px;overflow:hidden;border:1px solid var(--line)}
.st-hd,.st-row{display:grid;grid-template-columns:70px minmax(160px,3fr) minmax(130px,1.4fr) 90px 90px 44px;align-items:center;gap:8px;padding:0 12px}
.st-hd{background:var(--bg);min-height:38px;color:var(--fg2);font-weight:500}
.st-row{min-height:56px;border-top:1px solid var(--line);cursor:pointer}.st-row:hover,.st-row:focus-visible{background:var(--bg3)}.st-row.open{box-shadow:inset 3px 0 var(--ok)}
.st-name{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-badge{font:600 12px/1 "IBM Plex Mono",monospace;color:var(--ok);border:1px solid var(--ok);border-radius:3px;padding:2px 5px;font-style:normal}.st-badge.warn{color:var(--warn);border-color:var(--warn)}
.st-ft img{border-radius:3px;border:1px solid var(--line);background:#111}
.st-ico{position:relative;display:inline-flex;color:var(--acc)}.st-ico b{position:absolute;left:0;right:0;bottom:2px;text-align:center;font:700 12px Geist,Arial,sans-serif;color:var(--fg)}
.st-empty{padding:26px 14px;color:var(--fg2);margin:0}
.st-foot{color:var(--fg2);font-size:12px;margin:14px 0 0;max-width:70ch}

/* menus */
.cad-menu{position:absolute;z-index:70;background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:4px;min-width:230px;box-shadow:0 14px 40px rgba(0,0,0,.45);max-height:80vh;overflow:auto}
.cad-mi{display:flex;width:100%;align-items:center;gap:8px;background:none;border:0;padding:6px 9px;border-radius:5px;cursor:pointer;text-align:left}.cad-mi:hover,.cad-mi:focus{background:var(--rust);color:#fff}.cad-mi:disabled{opacity:.4;cursor:default}
.cad-mi-c{width:14px}.cad-mi-l{flex:1}.cad-mi-h{color:var(--fg2);font-size:11px}.cad-mi:hover .cad-mi-h,.cad-mi:focus .cad-mi-h{color:#fff}
.cad-menu-sep{height:1px;background:var(--line);margin:4px 2px}
.cad-pop{padding:6px;max-width:300px}.cad-pop-row{display:flex;gap:6px;margin:4px 0;align-items:center}.cad-pal{display:grid;grid-template-columns:repeat(16,16px);gap:2px}
.cad-pal-s{width:16px;height:16px;border:1px solid rgba(128,128,128,.4);padding:0;cursor:pointer}.cad-pal-s:hover{outline:2px solid var(--acc)}
/* panels */
.cad-b{background:var(--bg3);border:1px solid var(--line);border-radius:5px;padding:5px 10px;cursor:pointer;display:inline-flex;align-items:center;gap:5px}.cad-b:hover{border-color:var(--acc)}
.cad-b.primary{background:var(--rust);border-color:var(--rust);color:#fff}.cad-b.danger{background:var(--bad);color:#000;border-color:var(--bad)}.cad-b.ghost{background:none}
.cad-in{background:var(--bg3);border:1px solid var(--line);border-radius:4px;padding:4px 6px;width:100%;min-width:0}.cad-in.num{font-family:"IBM Plex Mono",monospace;text-align:right}.cad-in:disabled{opacity:.6}
.cad-fs{border:1px solid var(--line);border-radius:6px;margin:0 0 8px;padding:6px 8px}.cad-fs legend{padding:0 4px;color:var(--fg2);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.cad-row{display:grid;grid-template-columns:104px 1fr;gap:6px;align-items:center;margin:3px 0}.cad-row>span{color:var(--fg2)}
.cad-ro{font:12px "IBM Plex Mono",monospace;word-break:break-all}
.cad-ph{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:14px}.cad-id{font:11px "IBM Plex Mono",monospace;color:var(--fg2)}
.cad-hint{color:var(--fg2);font-size:11.5px;margin:4px 0}.cad-hint.warn{color:var(--warn)}.cad-pf{display:flex;gap:6px}
.cad-colbtn{display:flex;align-items:center;gap:6px;cursor:pointer;text-align:left}
.cad-sw{display:inline-block;width:14px;height:14px;border:1px solid rgba(128,128,128,.6);border-radius:2px;padding:0;cursor:pointer;vertical-align:middle;flex:none}
.cad-verts{max-height:210px;overflow:auto;margin-top:6px}.cad-vert{display:grid;grid-template-columns:20px 1fr 1fr 22px 22px;gap:3px;align-items:center;margin:2px 0}.cad-vert span{color:var(--fg2);font-size:11px}
.cad-compat-s{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px;border-radius:6px;border:1px solid var(--line);margin-bottom:8px}.cad-compat-s.warn{border-color:var(--warn)}.cad-compat-s.ok{border-color:var(--ok)}
.cad-lay-bar{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:6px}.cad-lay-q{flex:1 1 100%;background:var(--bg3);border:1px solid var(--line);border-radius:4px;padding:4px 6px}
.cad-lay-hd,.cad-lay-r{display:grid;grid-template-columns:16px minmax(40px,1fr) 20px 20px 20px 20px 66px 54px;gap:2px;align-items:center}
.cad-lay-hd{color:var(--fg2);font-size:8.5px;overflow:hidden;text-transform:uppercase;padding:2px 0;border-bottom:1px solid var(--line)}
.cad-lay-r{padding:2px 0;border-bottom:1px solid transparent;border-radius:3px}.cad-lay-r.sel{background:var(--bg3)}.cad-lay-r.cur .cad-lay-n{font-weight:600;color:var(--acc)}.cad-lay-r.off .cad-lay-n{opacity:.5}.cad-lay-r.used{box-shadow:inset 2px 0 var(--acc)}
.cad-lay-n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:default}.cad-lay-n em{color:var(--fg2);font-style:normal;font-size:10px;margin-left:5px}
.cad-lay-cur,.cad-lay-i{background:none;border:0;cursor:pointer;color:var(--fg2);padding:2px;display:inline-flex;justify-content:center}.cad-lay-i[aria-pressed=true]{color:var(--acc)}.cad-lay-i:hover{color:var(--fg)}
.cad-lay-r select{background:var(--bg3);border:1px solid var(--line);border-radius:3px;font-size:10.5px;padding:1px;min-width:0;width:100%}
/* dialogs */
.cad-dlg{border:1px solid var(--line);border-radius:10px;background:var(--bg2);color:var(--fg);padding:0;width:min(440px,94vw);max-height:88vh}.cad-dlg.wide{width:min(720px,96vw)}.cad-dlg::backdrop{background:rgba(0,0,0,.55)}
.cad-dlg-in{display:flex;flex-direction:column;max-height:88vh}.cad-dlg-h{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}.cad-dlg-h h2{margin:0;font-size:15px;font-weight:600}
.cad-dlg-b{padding:12px 14px;overflow:auto}.cad-dlg-f{display:flex;justify-content:flex-end;gap:8px;padding:10px 14px;border-top:1px solid var(--line);flex-wrap:wrap}
.cad-p{margin:0 0 10px;line-height:1.5}.cad-tpl{display:flex;flex-direction:column;gap:4px}.cad-tpl-i{display:flex;gap:8px;align-items:flex-start;padding:7px 8px;border:1px solid var(--line);border-radius:6px;cursor:pointer}.cad-tpl-i:hover{border-color:var(--acc)}.cad-tpl-i em{display:block;color:var(--fg2);font-style:normal;font-size:11px}
.cad-tbl{width:100%;border-collapse:collapse}.cad-tbl th{text-align:left;color:var(--fg2);font-weight:500;padding:3px 10px 3px 0;vertical-align:top;white-space:nowrap}.cad-tbl td{padding:3px 0}.cad-tbl td.ok{color:var(--ok)}.cad-tbl td.ro{color:var(--warn)}
.cad-rep section{margin-bottom:14px}.cad-rep h3,.cad-help h3{margin:0 0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--fg2)}.cad-list{margin:6px 0;padding-left:18px}.cad-list.warn li{color:var(--warn)}.cad-ok{color:var(--ok)}.cad-cmds{margin:3px 0;line-height:1.5}
/* small screens: viewer mode (open, pan, zoom, select, layers, measure) */
@media (max-width:900px){
 .cad-find,.cad-autosave,.cad-qat .cad-btn[data-act=saveas],.cad-qat .cad-btn[data-act=print],.cad-units{display:none}
 .cad-titletext{justify-content:flex-start}
}
@media (max-width:780px){
 .cad-body{grid-template-columns:minmax(0,1fr)}.cad-view{grid-column:1}
 .cad-left,.cad-rightp{position:fixed;left:0;right:0;bottom:0;top:auto;width:auto;max-height:55vh;z-index:25;border:0;border-top:1px solid var(--line)}
 .cad-brandname,.cad-chip,.cad-badge,.cad-compass,.cad-ucs{display:none}
 .cad-name{max-width:150px}
 .cad-rtabs{padding:0 4px}.cad-tab-toggle{display:none}
 .cad-rpanels{min-height:84px}
 .cad-cmd{width:calc(100% - 16px);bottom:8px}
 .cad-nav{top:34px}
 .cad-corner{display:flex!important;left:6px;bottom:70px}
 .cad-modes{flex-wrap:wrap}.cad-coord{min-width:0}.cad-spaces{display:none}
 .cad-start{grid-template-columns:minmax(0,1fr)}
 .st-side{border-right:0;border-bottom:1px solid var(--line);flex-direction:row;flex-wrap:wrap;padding:12px}.st-h,.st-nav{display:none}
 .st-main{padding:12px}
 .st-hd{display:none}.st-row{grid-template-columns:50px minmax(0,1fr) 44px;grid-template-areas:"f n x" "f d x";padding:6px 8px}.st-row>span:nth-child(1){grid-area:f}.st-row>span:nth-child(2){grid-area:n}.st-row>span:nth-child(3){grid-area:d;color:var(--fg2);font-size:12px}.st-row>span:nth-child(4),.st-row>span:nth-child(5){display:none}.st-row>.st-act{grid-area:x}
}
.cad-userbox .cad-signout{margin-left:6px}
@media (max-width:760px){.cad-userbox .cad-signout{padding:5px 7px;font-size:.78rem}}