/* Developer mode — dark, precise workbench */
body.dev{background:#0B0D0F;color:#E8E6E1;height:100vh;overflow:hidden;
  --d-bg:#0B0D0F; --d-panel:#121518; --d-panel-2:#171B1F; --d-line:#23282E; --d-line-2:#2E343B; --d-ink:#E8E6E1; --d-ink-2:#A3A9AF; --d-ink-3:#6E757C;
  --d-blue:#7FA7E6; --d-sage:#8FB39B; --d-robin:#F07A45}
.wb{position:fixed;top:56px;bottom:56px;left:0;right:0;display:grid;grid-template-columns:260px 1fr 340px}
.dev .eyebrow{color:var(--d-ink-3)}

/* rail */
.rail{border-right:1px solid var(--d-line);overflow:auto;padding:18px 0 18px;scrollbar-width:none;background:var(--d-panel)}
.rail::-webkit-scrollbar{display:none}
.rail-hd{padding:0 18px 14px}
.rail-hd b{display:block;font-family:var(--serif);font-size:15px;margin-top:8px;line-height:1.5;font-weight:600;letter-spacing:.02em}
#stageList{list-style:none;margin:0;padding:0}
#stageList .grp{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--d-ink-3);padding:14px 18px 6px;text-transform:uppercase}
#stageList button{width:100%;display:grid;grid-template-columns:30px 1fr;gap:6px;text-align:left;padding:8px 18px;color:var(--d-ink-2);font-size:13px;position:relative;transition:background .25s,color .25s}
#stageList button i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--d-ink-3)}
#stageList button small{display:block;font-family:var(--en);font-style:italic;font-size:11px;color:var(--d-ink-3);margin-top:1px;letter-spacing:.01em}
#stageList button:hover{background:rgba(255,255,255,.03);color:var(--d-ink)}
#stageList button.on{background:rgba(240,122,69,.08);color:#fff}
#stageList button.on::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--d-robin)}
#stageList button.on i{color:var(--d-robin)}
#stageList button.done i{color:var(--d-sage)}

/* canvas */
.canvas{position:relative;overflow:hidden;background:
  radial-gradient(circle at 1px 1px,rgba(255,255,255,.07) 1px,transparent 1.2px) 0 0/20px 20px, #0E1013}
.cv-top{position:absolute;top:0;left:0;right:0;height:36px;display:flex;justify-content:space-between;align-items:center;padding:0 16px;font-family:var(--mono);font-size:11px;color:var(--d-ink-3);border-bottom:1px solid var(--d-line);background:rgba(14,16,19,.85);backdrop-filter:blur(8px);z-index:5}
.cv-body{position:absolute;top:36px;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;gap:40px;padding:24px}
.artwrap{position:relative;flex:none;transition:transform .9s var(--ease)}
.artlabel{position:absolute;top:-22px;left:0;font-family:var(--mono);font-size:10.5px;color:var(--d-blue)}
.artboard{position:relative;width:390px;height:844px;border-radius:2px;outline:1px dashed rgba(127,167,230,.55);outline-offset:0;transform-origin:top left;transition:outline-color .6s}
.artboard .ovl{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .8s var(--ease);z-index:60}
.artboard .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0 18px}
.artboard .grid i{background:rgba(240,122,69,.09);border-left:1px solid rgba(240,122,69,.35);border-right:1px solid rgba(240,122,69,.35)}
.artboard .base{background:repeating-linear-gradient(180deg,transparent 0 7px,rgba(127,167,230,.18) 7px 8px)}
.artboard .safe span{position:absolute;left:0;right:0;font-family:var(--mono);font-size:10px;color:var(--d-blue);display:flex;align-items:center;padding-left:8px;background:rgba(127,167,230,.12)}
.artboard .safe .t{top:0;height:54px;border-bottom:1px dashed rgba(127,167,230,.6)}
.artboard .safe .b{bottom:0;height:34px;border-top:1px dashed rgba(127,167,230,.6)}
.artboard .redline{opacity:1}
.redbox{position:absolute;border:1px solid var(--d-robin);background:rgba(240,122,69,.08);transition:all .35s var(--ease);pointer-events:none}
.redbox span{position:absolute;top:-19px;left:-1px;background:var(--d-robin);color:#111;font-family:var(--mono);font-size:10px;padding:1px 6px;border-radius:3px 3px 3px 0;white-space:nowrap}
#devPhone{position:absolute;inset:0}
#devPhone .iphone{width:390px;height:844px;padding:0;border-radius:0;background:transparent;box-shadow:none;transition:all .9s var(--ease)}
#devPhone .iphone::before,#devPhone .iphone::after{opacity:0;transition:opacity .6s}
#devPhone .iphone .screen{border-radius:0;transition:border-radius .9s var(--ease)}
/* stage states (data-st on .artboard) */
.artboard[data-st="0"] #devPhone{opacity:0}
.artboard[data-st="1"] .grid,.artboard[data-st="1"] .base,.artboard[data-st="1"] .safe{opacity:1}
.artboard[data-st="1"] #devPhone,.artboard[data-st="2"] #devPhone{opacity:0}
.artboard[data-st="2"] .grid{opacity:.5}
#devPhone{transition:opacity .8s var(--ease)}
/* wireframe (type stage) */
.artboard.wire .screen{background:#F3F1EC!important}
.artboard.wire .scr{background:transparent}
.artboard.wire .block:not(.unwire):not(.unwire *),.artboard.wire .why:not(.unwire):not(.unwire *),.artboard.wire .rcard:not(.unwire):not(.unwire *),.artboard.wire .list:not(.unwire):not(.unwire *),.artboard.wire .noti:not(.unwire):not(.unwire *){background:transparent!important;box-shadow:inset 0 0 0 1px rgba(31,35,40,.25)!important;border-radius:6px!important}
.artboard.wire .chip:not(.unwire):not(.unwire *),.artboard.wire .fb button:not(.unwire):not(.unwire *),.artboard.wire .tier:not(.unwire):not(.unwire *),.artboard.wire .conf:not(.unwire):not(.unwire *),.artboard.wire .tag-demo:not(.unwire):not(.unwire *),.artboard.wire .tabbar:not(.unwire):not(.unwire *){background:transparent!important;box-shadow:inset 0 0 0 1px rgba(31,35,40,.22)!important;color:var(--ink-3)!important}
.artboard.wire .num:not(.unwire):not(.unwire *),.artboard.wire .chg:not(.unwire):not(.unwire *),.artboard.wire .wf b:not(.unwire):not(.unwire *){color:var(--ink-4)!important}
.artboard.wire .wf .bar i:not(.unwire):not(.unwire *){background:var(--ink-4)!important}
.artboard.wire .mark .rb-breast:not(.unwire):not(.unwire *){stroke:#B9BCC0}
.artboard.wire .ex-sum em:not(.unwire):not(.unwire *){background:none}
.artboard.wire .sig svg:not(.unwire):not(.unwire *){opacity:.25;filter:grayscale(1)}
.artboard.nodata .num,.artboard.nodata .wf b,.artboard.nodata .chg{color:transparent!important;text-shadow:none;position:relative}
.artboard.nodata .num::after,.artboard.nodata .wf b::after{content:"{ }";position:absolute;right:0;color:var(--d-robin);font-family:var(--mono);font-size:11px}
.artboard .scr *{transition:background-color .7s var(--ease),box-shadow .7s var(--ease),color .7s var(--ease),border-radius .7s var(--ease)}
.artboard.framed #devPhone .iphone{padding:11px;border-radius:58px;background:#101215;box-shadow:0 60px 120px -40px rgba(0,0,0,.8),0 0 0 1.5px #2b2e33}
.artboard.framed #devPhone .iphone::before,.artboard.framed #devPhone .iphone::after{opacity:1}
.artboard.framed #devPhone .iphone .screen{border-radius:47px}
.artboard.framed{outline-color:transparent}
.artboard.inspect #devPhone *{cursor:crosshair}

/* side canvas panel (tokens / diagrams) */
.side{flex:0 1 560px;max-width:560px;max-height:100%;overflow:auto;scrollbar-width:none;opacity:0;transform:translateX(16px);transition:opacity .7s var(--ease),transform .8s var(--ease)}
.side::-webkit-scrollbar{display:none}
.side.on{opacity:1;transform:none}
.card-d{background:var(--d-panel);border:1px solid var(--d-line);border-radius:16px;padding:16px;margin-bottom:12px}
.card-d h4{font-size:11px;font-family:var(--mono);letter-spacing:.12em;color:var(--d-ink-3);font-weight:500;text-transform:uppercase;margin:0 0 12px;display:flex;justify-content:space-between}
.card-d h4 em{font-style:normal;color:var(--d-robin)}
.sw{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.sw div{border-radius:10px;overflow:hidden;border:1px solid var(--d-line)}
.sw div i{display:block;height:54px}
.sw div span{display:block;padding:6px 8px;font-size:11px;color:var(--d-ink-2)}
.sw div span b{display:block;font-family:var(--mono);font-size:10px;color:var(--d-ink-3);font-weight:400}
.note-d{font-size:12.5px;color:var(--d-ink-2);line-height:1.75}
.note-d b{color:var(--d-ink)}
.logo-con{display:grid;grid-template-columns:180px 1fr;gap:16px;align-items:center}
.logo-con .lg{width:180px;height:180px;position:relative}
.logo-con .lg .mark{width:180px;height:180px;--mw:2.4;--mk:#ECE8E1}
.logo-con .lg svg.g{position:absolute;inset:0;width:100%;height:100%}
.logo-con .lg svg.g *{fill:none;stroke:var(--d-robin);stroke-width:.35;stroke-dasharray:200;stroke-dashoffset:200;animation:draw 1.6s var(--ease) forwards}
.logo-con .lg svg.g .d{stroke-dasharray:1 1.2;animation:none;opacity:.7}
@keyframes draw{to{stroke-dashoffset:0}}

.typespec div{display:grid;grid-template-columns:86px 1fr;gap:10px;align-items:baseline;padding:6px 0;border-top:1px solid var(--d-line)}
.typespec div:first-child{border-top:0}
.typespec i{font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--d-ink-3)}
/* pipeline */
.pipe{display:flex;flex-direction:column;gap:8px}
.node{display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:start;padding:12px 14px;border-radius:12px;background:var(--d-panel-2);border:1px solid var(--d-line);position:relative;opacity:.35;transition:opacity .5s,border-color .5s,transform .5s var(--ease)}
.node.on{opacity:1;border-color:rgba(240,122,69,.55);transform:translateX(4px)}
.node.done{opacity:.85}
.node b{font-family:var(--en);font-size:14px;font-weight:400;letter-spacing:.01em} .node b small{display:block;font-family:var(--mono);font-size:10px;color:var(--d-ink-3);font-weight:400;margin-top:2px}
.node .io{font-size:12px;color:var(--d-ink-2);line-height:1.65;padding-right:30px}
.node .io code{font-family:var(--mono);font-size:11px;color:var(--d-blue);background:rgba(127,167,230,.1);padding:0 4px;border-radius:4px}
.node .who{position:absolute;right:10px;top:10px;font-family:var(--mono);font-size:9.5px;padding:2px 6px;border-radius:4px}
.who.rule{background:rgba(127,167,230,.14);color:var(--d-blue)} .who.llm{background:rgba(240,122,69,.14);color:var(--d-robin)} .who.human{background:rgba(143,179,155,.16);color:var(--d-sage)}
.packet{position:absolute;left:-7px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--d-robin);box-shadow:0 0 12px var(--d-robin);opacity:0}
.node.on .packet{opacity:1}
/* decision lab */
.lab .ctl{display:grid;grid-template-columns:110px 1fr 54px;gap:10px;align-items:center;margin:8px 0;font-size:12px;color:var(--d-ink-2)}
.lab input[type=range]{width:100%;accent-color:var(--d-robin)}
.lab .ctl b{font-family:var(--mono);font-size:12px;text-align:right;color:var(--d-ink)}
.lab .segd{display:flex;gap:4px}
.lab .segd button{flex:1;font-size:12px;padding:6px 0;border-radius:8px;background:var(--d-panel-2);color:var(--d-ink-2);border:1px solid var(--d-line)}
.lab .segd button.on{background:#E8E6E1;color:#0B0D0F}
.out{display:flex;gap:6px;margin-top:12px}
.out span{flex:1;text-align:center;padding:10px 0;border-radius:10px;background:var(--d-panel-2);font-size:12.5px;color:var(--d-ink-3);border:1px solid var(--d-line);transition:all .35s var(--ease)}
.out span.on{background:var(--d-robin);color:#111;border-color:var(--d-robin);font-weight:600}
.out span.on.s{background:var(--d-sage)}
.formula{font-family:var(--mono);font-size:11.5px;color:var(--d-ink-2);line-height:1.8;background:#0E1013;border:1px solid var(--d-line);border-radius:10px;padding:10px 12px;margin-top:10px}
.formula em{font-style:normal;color:var(--d-robin)}
.chk-d{display:flex;flex-direction:column;gap:8px}
.chk-d div{display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:12.5px;color:var(--d-ink-2);line-height:1.55;opacity:.25;transition:opacity .5s}
.chk-d div.on{opacity:1}
.chk-d div i{font-style:normal;font-family:var(--mono);text-align:center;border-radius:5px;font-size:11px;height:20px;line-height:20px}
.chk-d div i.ok{background:rgba(143,179,155,.18);color:var(--d-sage)} .chk-d div i.no{background:rgba(240,122,69,.18);color:var(--d-robin)}
.prompt{font-family:var(--mono);font-size:11.5px;line-height:1.75;color:var(--d-ink-2);white-space:pre-wrap;background:#0E1013;border:1px solid var(--d-line);border-radius:10px;padding:12px}
.prompt .s{color:#111;background:var(--d-robin);border-radius:3px;padding:0 3px}
.prompt .f{color:var(--d-sage)}
.split3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.split3 div{border-radius:12px;padding:12px;background:var(--d-panel-2);border:1px solid var(--d-line);font-size:12px;line-height:1.6;color:var(--d-ink-2)}
.split3 div b{display:block;font-family:var(--serif);font-size:13.5px;font-weight:600;color:var(--d-ink);margin-bottom:4px;letter-spacing:.02em}
.gates{width:100%;border-collapse:collapse;font-size:12px}
.gates th,.gates td{text-align:left;padding:7px 6px;border-top:1px solid var(--d-line);vertical-align:top;color:var(--d-ink-2)}
.gates th{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--d-ink-3);font-weight:500;border-top:0}
.gates td b{color:var(--d-ink);font-weight:600}
.gates .h{color:var(--d-robin);font-family:var(--mono);font-size:10px}

/* inspector */
.insp{border-left:1px solid var(--d-line);overflow:auto;padding:18px 18px 24px;background:var(--d-panel);scrollbar-width:none}
.insp::-webkit-scrollbar{display:none}
.insp .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--d-robin);text-transform:uppercase}
.insp h3{font-size:20px;line-height:1.45;margin:8px 0 12px;font-weight:600;color:#fff;letter-spacing:.02em}
.insp .lead{font-size:13.5px;line-height:1.8;color:var(--d-ink-2)}
.insp .sec{margin-top:16px;padding-top:14px;border-top:1px solid var(--d-line)}
.insp .sec h6{margin:0 0 8px;font-size:10.5px;font-family:var(--mono);letter-spacing:.12em;color:var(--d-ink-3);font-weight:500;text-transform:uppercase}
.insp .sec p,.insp .sec li{font-size:13px;line-height:1.75;color:var(--d-ink-2)}
.insp .sec ul{margin:0;padding-left:16px}
.insp .sec b{color:var(--d-ink)}
.insp .rej{display:flex;flex-direction:column;gap:6px}
.insp .rej div{font-size:12.5px;line-height:1.55;color:var(--d-ink-3);padding-left:16px;position:relative}
.insp .rej div::before{content:"×";position:absolute;left:0;color:var(--d-robin)}
.insp .comp{margin-top:14px;border:1px solid rgba(240,122,69,.4);background:rgba(240,122,69,.06);border-radius:12px;padding:12px}
.insp .comp .k{color:var(--d-robin)}
.insp .comp b{display:block;font-family:var(--serif);font-size:14.5px;font-weight:600;letter-spacing:.02em;color:#fff;margin:4px 0}
.insp .comp p{font-size:12.5px;line-height:1.6;color:var(--d-ink-2);margin:0}
.insp .comp .tk{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.insp .comp .tk span{font-family:var(--mono);font-size:10px;color:var(--d-blue);background:rgba(127,167,230,.1);padding:1px 6px;border-radius:4px}

/* playback */
.pb{position:fixed;left:0;right:0;bottom:0;height:56px;border-top:1px solid var(--d-line);background:rgba(11,13,15,.92);backdrop-filter:blur(10px);display:flex;align-items:center;gap:14px;padding:0 18px;z-index:20}
.pb-play{width:34px;height:34px;border-radius:50%;background:#E8E6E1;display:grid;place-items:center;flex:none}
.pb-play svg{width:16px;height:16px;fill:#0B0D0F}
.pb-track{flex:1;display:flex;gap:3px;height:34px;align-items:center}
.pb-track button{flex:1;height:6px;border-radius:3px;background:var(--d-line-2);position:relative;overflow:hidden;transition:height .25s}
.pb-track button:hover{height:10px}
.pb-track button i{position:absolute;inset:0;width:0;background:var(--d-robin)}
.pb-track button.done i{width:100%;background:#5B6168}
.pb-track button.on i{width:100%}
.pb-t{font-family:var(--mono);font-size:11px;color:var(--d-ink-3);min-width:56px;text-align:right}
.pb-ins{font-size:12px;color:var(--d-ink-2);padding:7px 12px;border-radius:999px;border:1px solid var(--d-line-2)}
.pb-ins.on{background:var(--d-robin);color:#111;border-color:var(--d-robin)}

@media (max-width:1180px){ .wb{grid-template-columns:220px 1fr} .insp{display:none} .side{flex-basis:420px} }
@media (max-width:820px){
  body.dev{overflow:auto;height:auto}
  .wb{position:static;display:block;padding-top:56px}
  .rail{display:flex;overflow-x:auto;padding:10px 12px;border-right:0;border-bottom:1px solid var(--d-line)}
  .rail-hd{display:none} #stageList{display:flex;gap:4px} #stageList .grp{display:none}
  #stageList button{white-space:nowrap;grid-template-columns:auto;padding:6px 10px;border-radius:8px} #stageList button small{display:none}
  .canvas{height:auto;min-height:70vh;overflow:visible}
  .side{max-height:none;overflow:visible}
  .cv-body{position:relative;top:0;flex-direction:column;padding:48px 16px 24px}
  .side{flex-basis:auto;max-width:100%;width:100%}
  .insp{display:block;border-left:0;border-top:1px solid var(--d-line)}
  .pb{position:sticky}
}