/* INSIDE ELEVATOR — Elevator anatomy prototype. Visual identity taken from the site's :root tokens. */
:root{--bg:#0F0F0F;--bg2:#141414;--card:#1A1A1A;--card2:#202020;--metal:#A0A0A0;--text:#E0E0E0;--muted:#9a9a9a;--orange:#E67E22;--orange2:#f39a4a;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);--r:8px;--font:'Vazirmatn',Tahoma,system-ui,sans-serif;--lat:'Archivo','Segoe UI',Arial,sans-serif;--pad:clamp(12px,3vw,28px)}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 var(--font);overflow-x:hidden}
button,input{font:inherit;color:inherit}
a{color:var(--orange2)}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:8px;top:-60px;background:var(--orange);color:#111;padding:8px 12px;border-radius:6px;z-index:50}
.skip:focus{top:8px}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 16px;padding:10px var(--pad);border-bottom:1px solid var(--line);background:var(--bg2)}
.brand{display:flex;align-items:center;gap:10px;min-width:0;color:inherit;text-decoration:none}
.brand img{height:35px;width:auto;display:block}
.topnav{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px}
.topnav a{color:var(--metal);text-decoration:none;font-size:14px;padding:6px 2px;border-bottom:2px solid transparent}
.topnav a:hover{color:var(--text);border-color:var(--orange)}
.topnav a.back{color:var(--text);border:1px solid var(--line2);border-radius:var(--r);padding:6px 12px}
.topnav a.back:hover{border-color:var(--orange)}
.pagehead{max-width:1440px;margin:0 auto;padding:14px var(--pad) 0;display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 14px}
.pagehead h1{margin:0;font-size:22px;font-weight:800;color:#fff}
.pagehead .sub{margin:0;font-size:14px;color:var(--orange2);font-weight:700}
.pagehead .intro{margin:0;flex-basis:100%;font-size:14px;color:var(--muted)}
.logo{font:800 15px/1 var(--lat);letter-spacing:.14em;color:#fff}
.sep{width:1px;height:20px;background:var(--line2)}
.top h1{margin:0;font-size:18px;font-weight:800;color:var(--orange)}
.tag{margin:0;font-size:12.5px;color:var(--muted)}

.app{max-width:1440px;margin:0 auto;padding:12px var(--pad) 8px;display:flex;flex-direction:column;gap:16px}
.work{display:flex;flex-direction:column;gap:16px;min-width:0}
.side{display:flex;flex-direction:column;gap:12px;min-width:0}
.side>*{flex-shrink:0}
@media (min-width:1100px){
  .work{display:grid;grid-template-columns:minmax(330px,380px) minmax(0,1fr);align-items:start}
  .side{grid-column:1;grid-row:1;position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto;overscroll-behavior:contain;padding-inline-end:4px}
  .stage{grid-column:2;grid-row:1}
  .side .info{position:static;inset:auto;width:auto;max-height:none;box-shadow:none;border-color:var(--orange);margin:0}
  .side .list{grid-template-columns:1fr}
}
.guide{position:absolute;top:12px;left:12px;z-index:5;max-width:min(330px,calc(100% - 24px));background:rgba(20,20,20,.94);border:1px solid var(--line2);border-radius:10px;padding:10px 38px 10px 14px;font-size:13px;line-height:1.8}
.guide b{color:var(--orange2)}
.guide ul{margin:4px 0 0;padding-inline-start:18px}
.guide .x{position:absolute;top:4px;right:4px}
.guide .g-short{display:none;margin:2px 0 0}
@media (max-width:640px){.guide{top:8px;left:8px;max-width:calc(100% - 16px);font-size:12px;padding:6px 34px 6px 10px}.guide ul{display:none}.guide .g-short{display:block}.guide b{display:none}}
a.btn{text-decoration:none}
@media (max-width:640px){.viewport:has(#ctxbar:not([hidden])) .guide{display:none}}
@media (max-width:520px){.top{flex-wrap:nowrap;padding:8px 12px}.brand .logo{display:none}.topnav{gap:4px 10px;flex-wrap:nowrap}.topnav a{font-size:12.5px;white-space:nowrap}.topnav a.back{padding:5px 9px}.pagehead{padding:10px 12px 0;gap:0 10px}.pagehead h1{font-size:18px}.pagehead .sub{font-size:12.5px}.pagehead .intro{font-size:12.5px}}
.notice{margin:0;padding:10px 14px;border:1px solid rgba(230,190,60,.5);border-radius:var(--r);color:#e8cf7a;font-size:13.5px;background:var(--card)}
.inq-note{margin:8px 0 0;font-size:12.5px;color:var(--muted)}
.foot .ver{margin-top:6px;font-size:11.5px;opacity:.8}
.stage{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;min-width:0}
.viewport{position:relative;height:clamp(440px,72vh,860px);background:radial-gradient(120% 90% at 60% 35%,#1b1d21 0%,#121315 60%,#0e0f10 100%);overflow:hidden}
#gl{display:block;width:100%;height:100%;touch-action:none;cursor:grab;outline:none}
#gl:active{cursor:grabbing}
#gl:focus-visible{box-shadow:inset 0 0 0 2px var(--orange)}

.labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.badge{position:absolute;left:0;top:0;pointer-events:auto;display:inline-flex;align-items:center;gap:6px;padding:2px 9px 2px 9px;min-height:24px;border-radius:999px;border:1px solid rgba(230,126,34,.75);background:rgba(14,14,14,.86);color:#f2f2f2;font-size:12px;line-height:1.5;white-space:nowrap;cursor:pointer;transition:opacity .2s,background .2s;will-change:transform}
.badge .n{font-weight:800;color:var(--orange2);direction:ltr;unicode-bidi:isolate}
.badge.asm{font-size:12.5px;padding:3px 11px}
.badge.asm .n{background:var(--orange);color:#111;border-radius:999px;min-width:18px;height:18px;display:inline-grid;place-items:center;font-size:11.5px}
.badge.occluded{opacity:.42;border-style:dashed}
.badge.sel{background:var(--orange);border-color:var(--orange);color:#111;font-weight:700;z-index:2}
.badge.sel .n{color:#111}
.badge:hover{background:rgba(230,126,34,.25)}
.badge.sel:hover{background:var(--orange2)}

.tip{position:absolute;left:0;top:0;pointer-events:none;background:rgba(26,26,26,.96);border:1px solid var(--line2);border-radius:8px;padding:5px 10px;font-size:13px;line-height:1.6;max-width:260px;box-shadow:0 6px 20px rgba(0,0,0,.4);z-index:5}
.tip b{color:var(--orange2);margin-inline-end:4px}
.tip small{display:block;color:var(--muted);font-size:11.5px}

.ctxbar{position:absolute;top:12px;right:12px;display:flex;align-items:center;gap:10px;background:rgba(20,20,20,.9);border:1px solid var(--line2);border-radius:999px;padding:4px 6px 4px 14px;font-size:13px;z-index:4;max-width:calc(100% - 24px)}
.ctxbar[hidden]{display:none}
.ctxbar b{color:var(--orange2)}
.chip-back{border:0;background:var(--orange);color:#111;border-radius:999px;padding:3px 12px;font-weight:700;cursor:pointer;min-height:30px}
.selpill{display:none}
.hint{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);background:rgba(14,14,14,.75);border:1px solid var(--line);border-radius:999px;padding:4px 14px;font-size:12px;color:var(--muted);white-space:nowrap;pointer-events:none;transition:opacity .6s}
.hint.gone{opacity:0}
.i-min{display:none;border:0;background:transparent;color:var(--muted);font-size:22px;line-height:1;cursor:pointer;width:34px;height:34px;border-radius:6px;flex:none}
.i-min:hover{background:var(--card2);color:#fff}
/* 0.2.2: a finger on anything inside the model box moves only the model, never the page */
.badge,.ctxbar,.selpill,.guide{touch-action:none}
.h-short{display:none}
@media (pointer:coarse),(max-width:520px){.h-long{display:none}.h-short{display:inline}}

.overlay{position:absolute;inset:0;display:grid;place-items:center;background:rgba(15,15,15,.9);z-index:20;padding:20px;text-align:center}
.overlay[hidden]{display:none}
.ov-box{max-width:440px}
.spin{width:34px;height:34px;border-radius:50%;border:3px solid var(--line2);border-top-color:var(--orange);margin:0 auto 10px;animation:sp 0.9s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.bar{height:4px;background:var(--line2);border-radius:4px;overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;width:0;background:var(--orange);transition:width .2s}

/* info panel: overlay on wide screens, card below the model on narrow screens */
.info{position:absolute;top:12px;left:12px;bottom:12px;width:min(370px,42%);overflow:auto;background:rgba(22,22,22,.95);border:1px solid var(--line2);border-radius:12px;padding:14px 16px 16px;z-index:6;box-shadow:0 10px 30px rgba(0,0,0,.45);overscroll-behavior:contain}
.info[hidden]{display:none}
.i-head{display:flex;align-items:flex-start;gap:10px}
.i-head h2{margin:0;font-size:18px;line-height:1.5;flex:1;min-width:0}
.num{display:inline-grid;place-items:center;min-width:36px;height:26px;padding:0 6px;border-radius:6px;background:rgba(230,126,34,.16);color:var(--orange2);font:700 13px/1 var(--font);direction:ltr;unicode-bidi:isolate}
.i-head .num{margin-top:3px}
.x{border:0;background:transparent;color:var(--muted);font-size:24px;line-height:1;cursor:pointer;width:34px;height:34px;border-radius:6px}
.x:hover{background:var(--card2);color:#fff}
.en{margin:2px 0 8px;color:var(--muted);font-size:13px}
.en code{font:12px/1 ui-monospace,Consolas,monospace;color:#c7c7c7;overflow-wrap:anywhere}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 10px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;border:1px solid var(--line2);background:var(--card2);border-radius:999px;padding:2px 10px;color:var(--text);cursor:default}
button.tag{cursor:pointer}
button.tag:hover{border-color:var(--orange)}
.tag.warn{border-color:rgba(230,190,60,.5);color:#e8cf7a}
.tag.rev{border-color:rgba(46,134,193,.55);color:#8fc3e8}
.info dl{margin:0}
.info dt{font-size:12px;color:var(--orange2);font-weight:700;margin-top:10px}
.info dd{margin:2px 0 0;font-size:14px;line-height:1.85}
.al{display:inline-block;background:var(--card2);border-radius:6px;padding:0 8px;margin:2px 0;font-size:13px}
.i-act{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.desc{margin:4px 0 8px}
.hint2{margin:6px 0;color:var(--muted);font-size:13px}
.src{margin-top:12px;font-size:13px}
.src summary{cursor:pointer;color:var(--muted)}
.src ul{padding-inline-start:18px;margin:6px 0}
.src a{overflow-wrap:anywhere}
.nosrc{font-size:12px;color:var(--muted);margin:12px 0 0}

/* controls */
.controls{padding:12px 14px 14px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0}
.lbl{font-size:13px;color:var(--muted);margin-inline-end:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:7px 14px;border-radius:var(--r);border:1px solid var(--line2);background:var(--card2);color:var(--text);font-weight:600;font-size:14px;cursor:pointer;transition:background .2s,border-color .2s;white-space:nowrap}
.btn:hover{border-color:var(--orange)}
.btn svg{width:17px;height:17px;fill:currentColor;flex:none}
.btn.accent{background:var(--orange);border-color:var(--orange);color:#111}
.btn.accent:hover{background:var(--orange2)}
.btn.ghost{background:transparent}
.btn.sm{min-height:34px;padding:4px 12px;font-size:13px}
.btn[aria-pressed="true"]{border-color:var(--orange)}
.btn:disabled,.chip:disabled{opacity:.4;cursor:not-allowed}
.slider{display:flex;align-items:center;gap:10px;flex:1 1 240px;min-width:0;font-size:13px;color:var(--muted)}
.slider input{flex:1;min-width:0;accent-color:var(--orange);height:28px}
.slider output{min-width:42px;white-space:nowrap;text-align:center;color:var(--text);font-weight:700}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:4px 12px;border-radius:999px;border:1px solid var(--line2);background:var(--card2);color:var(--text);font-size:13px;cursor:pointer;white-space:nowrap}
.chip:hover{border-color:var(--orange)}
.chip[aria-pressed="true"]{border-color:var(--orange);background:rgba(230,126,34,.14)}
.chip b{color:var(--orange2);direction:ltr;unicode-bidi:isolate}
.chip.tog[aria-pressed="false"]{opacity:.5;text-decoration:line-through;text-decoration-color:rgba(255,255,255,.4)}
.chip.tog[aria-pressed="false"] .sw{background:transparent;box-shadow:inset 0 0 0 1.5px var(--c)}
.sw{display:inline-block;width:11px;height:11px;border-radius:3px;background:var(--c);flex:none}
.note{font-size:12.5px;color:#e8cf7a}

/* summary */
.summary .sum-box{background:var(--card);border:1px solid var(--orange);border-radius:12px;padding:14px 16px}
.sum-k{margin:0;font-size:12px;color:var(--orange2);font-weight:700}
.sum-v{margin:2px 0;font-size:17px;font-weight:700}
.sum-v b{color:var(--orange2)}
.sum-v small{font-weight:400;color:var(--muted)}
.sum-n{margin:4px 0 0;font-size:13px;color:var(--muted)}

/* browser */
.browser{display:flex;flex-direction:column;gap:12px;min-width:0}
.search{display:flex;flex-wrap:wrap;gap:8px}
.search input{flex:1 1 280px;min-width:0;min-height:44px;padding:8px 14px;border-radius:var(--r);border:1px solid var(--line2);background:var(--card);color:var(--text)}
.search input::placeholder{color:#8a8a8a}
.finder{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:12px 14px}
.f-q{margin:6px 0;font-weight:700;font-size:14px}
.f-q small{color:var(--muted);font-weight:400}
.f-opts,.f-list{display:flex;flex-wrap:wrap;gap:6px}
.f-result p{margin:12px 0 6px;font-size:13.5px;color:var(--muted)}
.f-result .btn{margin-top:10px}
.chip.part b{margin-inline-end:2px}
.count{margin:0;font-size:13px;color:var(--muted)}
.list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));gap:12px;align-items:start}
.asm{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 6px 8px;min-width:0}
.asm.active{border-color:var(--orange)}
.asm.off{opacity:.6}
.asm h2{margin:0;font-size:15px}
.asm-h{display:flex;align-items:center;gap:8px;width:100%;text-align:start;background:transparent;border:0;padding:8px 8px;border-radius:8px;cursor:pointer;font-weight:800;color:#fff}
.asm-h:hover{background:var(--card2)}
.asm-h small{margin-inline-start:auto;color:var(--muted);font:500 12px var(--lat)}
.asm ol{list-style:none;margin:0;padding:0}
.list.searching ol{display:flex;flex-direction:column}
.item{display:flex;align-items:center;gap:10px;width:100%;text-align:start;background:transparent;border:0;border-radius:8px;padding:6px 8px;cursor:pointer;min-height:40px}
.item:hover{background:var(--card2)}
li.on .item{background:rgba(230,126,34,.16);box-shadow:inset -3px 0 0 var(--orange)}
.item .nm{flex:1;min-width:0;font-size:14px;line-height:1.6}
.item small{color:var(--muted);font:12px var(--lat);max-width:42%;text-align:end;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tagx{font-style:normal;font-size:11px;color:#e8cf7a;border:1px solid rgba(230,190,60,.4);border-radius:999px;padding:0 6px;margin-inline-start:6px;white-space:nowrap}

.fallback{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:10px;overflow:auto;max-height:90vh}
.fb-svg{display:block;width:100%;max-width:520px;margin:0 auto;height:auto}
.fb-mark{cursor:pointer}
.fb-mark rect{fill:#121212;stroke:var(--orange);stroke-width:1.5}
.fb-mark text{fill:#fff;font:700 13px var(--font)}
.fb-mark.on rect,.fb-mark:focus rect{fill:var(--orange)}
.fb-mark.on text,.fb-mark:focus text{fill:#111}
.fb-svg rect.on{fill-opacity:.7}

.foot{max-width:1440px;margin:8px auto 24px;padding:0 var(--pad);font-size:12.5px;color:var(--muted)}
.nojs{padding:20px;text-align:center}
body.no3d .viewport{height:auto;min-height:220px}

@media (max-width:1099px){
  .viewport{height:max(360px,min(64vh,640px))}
  @supports (height:1svh){.viewport{height:max(380px,min(72svh,680px))}}
  .info{position:static;width:auto;inset:auto;margin:12px;box-shadow:none;max-height:none;border-color:var(--orange)}
  /* 0.2.2 phones/tablets with the 3D model: details as a sheet over the lower part of the model, read with one finger */
  .info.sheet{position:absolute;inset:auto 8px 8px 8px;width:auto;margin:0;max-height:66%;overflow:auto;overscroll-behavior:contain;touch-action:pan-y;z-index:6;padding:0 14px 14px;background:rgba(22,22,22,.97);box-shadow:0 -8px 24px rgba(0,0,0,.5)}
  .info.sheet .i-head{position:sticky;top:0;z-index:1;background:rgba(22,22,22,.97);margin:0 -14px;padding:8px 14px 6px}
  .info.sheet .i-min{display:inline-grid;place-items:center}
  .info.sheet.noscroll,.info.sheet.min{touch-action:none}
  .info.sheet.min{overflow:hidden;padding-bottom:0}
  .info.sheet.min>:not(.i-head){display:none}
  .info.sheet.min .i-head{cursor:pointer}
  .info.sheet .i-act{gap:6px;margin-top:10px}
  .info.sheet .i-act .btn{min-height:36px;padding:4px 12px;font-size:13px}
  .info.sheet .i-act .btn.accent{min-height:40px;font-size:14px}
  .info.sheet .en{margin:0 0 6px;font-size:12px}
  .info.sheet.is-part>.inq-note{order:4}
  .info.sheet .i-act [hidden]{display:none}
  .info.sheet.more::after{content:"ادامه ↓";order:9;position:sticky;bottom:-14px;display:block;margin:6px -14px -14px;padding:16px 0 8px;text-align:center;font-size:12px;font-weight:700;color:var(--orange2);background:linear-gradient(rgba(22,22,22,0),rgba(22,22,22,.98) 55%);pointer-events:none}
  .viewport:has(.info.sheet:not([hidden])) .selpill,.viewport:has(.info.sheet:not([hidden])) .hint{display:none}
  /* phones/tablets: name → actions («استعلام این قطعه») → description, so both fit on screen after an explicit choice */
  .info.is-part{display:flex;flex-direction:column}
  .info.is-part>*{flex-shrink:0}
  .info.is-part>.i-act{margin-top:10px}
  .info.is-part>dl{order:2;margin-top:14px;padding-top:12px;border-top:1px solid var(--line2)}
  .info.is-part>.src,.info.is-part>.nosrc{order:3}
  .selpill{display:inline-flex;align-items:center;gap:6px;position:absolute;bottom:12px;left:50%;transform:translateX(-50%);max-width:calc(100% - 24px);background:var(--orange);color:#111;border:0;border-radius:999px;padding:6px 14px;font-weight:700;font-size:13px;z-index:4;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .selpill[hidden]{display:none}
  .selpill span{font-weight:500}
  .hint{bottom:56px}
  .ctxbar{top:8px;right:8px;font-size:12px}
}
@media (max-width:520px){
  .top{padding:10px 12px}
  .logo{font-size:13px}
  .top h1{font-size:16px}
  .app{padding:10px 10px 6px;gap:12px}
  .controls{padding:10px}
  .btn{padding:6px 11px;font-size:13.5px}
  .row:first-child .btn{flex:1 1 auto}
  .chip{padding:3px 10px;font-size:12.5px;min-height:32px}
  .hint{font-size:11px;white-space:normal;width:max-content;max-width:calc(100% - 24px);text-align:center}
  .item small{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}