/* Darwin — /build-spec immersive build sheet. Full-screen takeover: the
   #sheet is position:fixed;inset:0 so it covers Squarespace chrome regardless
   of where the Code Block mounts. We hide the site header/footer for the page
   and pin #sheet above everything. Ported verbatim from build-spec-preview.html
   (the source of record) by scratchpad/build_spec_engines.py. */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&display=swap');
  #header,.header,header#header,#footer,.footer,footer#footer,
  .Announcement-bar,.Announcement-bar-wrapper,.sqs-announcement-bar-dropzone,
  #topBar,.Mobile-bar,#footer-sections{display:none!important}
  @font-face{font-family:'Yapari';src:url('https://static1.squarespace.com/static/5ea9a82580530c7a6069f5c3/t/6a587a0faee87773cba8c418/1784183312114/Yapari-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
  @font-face{font-family:'Yapari';src:url('https://static1.squarespace.com/static/5ea9a82580530c7a6069f5c3/t/6a587a0f746cb4216c09f11c/1784183312111/Yapari-Light.woff2') format('woff2');font-weight:300;font-style:normal;font-display:swap}
  @font-face{font-family:'Yapari';src:url('https://static1.squarespace.com/static/5ea9a82580530c7a6069f5c3/t/6a587a0fe3c0af1c1d1e0622/1784183312110/Yapari-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
  #dd-spec{position:static}
  #sheet{z-index:2147483000}
  /* Squarespace's theme sets an h1/h2/h3 color (dark) that the sheet's headings
     inherited over; re-assert our off-white. ID-scoped so it wins without !important. */
  #sheet h1,#sheet h2,#sheet h3{color:var(--off)}
  /* Squarespace ships its OWN .wrap class (position:static) that beats the sheet's
     plain .wrap{position:relative}; the floating tiles anchor to .wrap, so re-assert
     it ID-scoped or they fall back to the wrong containing block. */
  #sheet .wrap{position:relative}
  :root{
    --black:#0B0B0A; --panel:#191411; --panel2:#12100E; --off:#F2F0E8;
    --weld:#FF7A1A; --steel:#8C8C86; --line:rgba(242,240,232,.14);
    --line2:rgba(242,240,232,.07);
    --mono:"IBM Plex Mono","Courier New",monospace;
    --disp:"Yapari",Georgia,"Times New Roman",serif;
  }
  *{box-sizing:border-box}
  html,body{margin:0;height:100%}
  body{background:var(--black);color:var(--off);font-family:var(--disp);
    -webkit-font-smoothing:antialiased;overflow:hidden}

  /* ---------- shell ---------- */
  #sheet{position:fixed;inset:0;display:grid;grid-template-columns:230px 1fr;background:var(--black)}
  /* progress rail */
  .rail{border-right:1px solid var(--line);padding:34px 26px;display:flex;
    flex-direction:column;background:var(--panel2)}
  .rail .brand{font-family:var(--mono);font-size:11px;letter-spacing:.34em;
    text-transform:uppercase;color:var(--off);margin-bottom:4px}
  .rail .serial{font-family:var(--mono);font-size:10px;letter-spacing:.16em;
    color:var(--steel);margin-bottom:40px}
  .steps{list-style:none;margin:0;padding:0;position:relative;flex:1}
  .steps:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;
    width:1px;background:var(--line)}
  .steps li{position:relative;padding:0 0 26px 26px;font-family:var(--mono);
    font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);
    cursor:pointer;transition:color .25s}
  .steps li .dot{position:absolute;left:0;top:2px;width:11px;height:11px;
    border-radius:50%;border:1px solid var(--line);background:var(--black);
    transition:all .3s}
  .steps li.done{color:rgba(242,240,232,.6)}
  .steps li.done .dot{background:var(--steel);border-color:var(--steel)}
  .steps li.active{color:var(--off)}
  .steps li.active .dot{background:var(--weld);border-color:var(--weld);
    box-shadow:0 0 0 4px rgba(255,122,26,.18)}
  .rail .save{font-family:var(--mono);font-size:10px;letter-spacing:.14em;
    text-transform:uppercase;color:var(--steel);display:flex;align-items:center;gap:7px;
    opacity:0;transition:opacity .3s}
  .rail .save.show{opacity:1}
  .rail .save .d{width:6px;height:6px;border-radius:50%;background:var(--weld)}

  /* stage */
  .stage{position:relative;overflow-y:auto;overflow-x:hidden}
  .panel{position:absolute;inset:0;overflow-y:auto;padding:8vh 8vw 16vh;
    opacity:0;visibility:hidden;transform:translateY(24px);
    transition:opacity .5s ease,transform .5s ease,visibility .5s}
  .panel.on{opacity:1;visibility:visible;transform:none}
  .wrap{max-width:760px;margin:0 auto;position:relative}
  .eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.26em;
    text-transform:uppercase;color:var(--weld);margin-bottom:16px}
  h1{font-family:var(--disp);font-weight:300;font-size:clamp(2rem,5vw,3.4rem);
    line-height:1.04;margin:0 0 18px;letter-spacing:.005em}
  h2{font-family:var(--disp);font-weight:300;font-size:clamp(1.5rem,3.4vw,2.3rem);
    line-height:1.08;margin:0 0 14px}
  .lede{font-size:1.02rem;line-height:1.65;color:#C9C6BC;max-width:56ch;margin:0 0 34px}
  .fieldnote{font-family:var(--mono);font-size:11px;letter-spacing:.04em;
    color:var(--steel);line-height:1.6;margin:0 0 30px}

  /* corner ticks (drawing frame) */
  .ticks{position:relative;padding:38px 40px;border:1px solid var(--line2)}
  .ticks:before,.ticks:after,.ticks>.tl,.ticks>.tr{content:"";position:absolute;
    width:14px;height:14px;border:1px solid var(--weld);opacity:.5}
  .ticks:before{left:-1px;top:-1px;border-right:0;border-bottom:0}
  .ticks:after{right:-1px;top:-1px;border-left:0;border-bottom:0}
  .ticks>.bl{position:absolute;left:-1px;bottom:-1px;width:14px;height:14px;
    border:1px solid var(--weld);border-right:0;border-top:0;opacity:.5}
  .ticks>.br{position:absolute;right:-1px;bottom:-1px;width:14px;height:14px;
    border:1px solid var(--weld);border-left:0;border-top:0;opacity:.5}

  /* fields */
  .grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 26px}
  .grid.thirds{grid-template-columns:1fr 1fr 1fr}
  .f{display:flex;flex-direction:column;gap:8px}
  .f.wide{grid-column:1/-1}
  label{font-family:var(--mono);font-size:11px;letter-spacing:.13em;
    text-transform:uppercase;color:var(--steel)}
  label .u{color:var(--weld);text-transform:none;letter-spacing:.02em}
  label .rng{color:var(--steel);opacity:.7;text-transform:none;letter-spacing:.02em;font-size:9px;float:right}
  input[type=text],input[type=email],input[type=tel],input[type=number],textarea,select{
    background:transparent;border:0;border-bottom:1px solid var(--line);
    color:var(--off);font-family:var(--disp);font-size:1.05rem;padding:9px 2px;
    outline:none;transition:border-color .25s;width:100%;border-radius:0;
    text-overflow:ellipsis}   /* safety net: a too-long value/placeholder clips with … inside the box, never into the margin */
  input:focus,textarea:focus,select:focus{border-color:var(--weld)}
  input::placeholder,textarea::placeholder{color:rgba(140,140,134,.5)}
  textarea{resize:vertical;min-height:74px;line-height:1.55}
  select{appearance:none;cursor:pointer}
  select option{background:var(--panel)}

  /* chips */
  .chips{display:flex;flex-wrap:wrap;gap:9px}
  .chip{font-family:var(--mono);font-size:11px;letter-spacing:.1em;
    text-transform:uppercase;color:var(--off);border:1px solid var(--line);
    background:transparent;border-radius:2px;padding:9px 15px;cursor:pointer;
    transition:all .2s}
  .chip:hover{border-color:rgba(242,240,232,.4)}
  .chip.sel{background:var(--weld);border-color:var(--weld);color:#160d05}
  .chip.disabled{opacity:.28;pointer-events:none;filter:grayscale(1)}
  .chip .rank{margin-left:8px;font-size:9px;letter-spacing:.05em;padding:2px 6px;border-radius:9px;
    background:rgba(20,10,3,.32);color:#160d05}

  /* units toggle */
  .units{display:inline-flex;border:1px solid var(--line);border-radius:2px;
    overflow:hidden;margin-bottom:26px}
  .units button{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
    text-transform:uppercase;background:transparent;color:var(--steel);border:0;
    padding:8px 15px;cursor:pointer}
  .units button.on{background:var(--off);color:var(--black)}

  .sub-h{font-family:var(--mono);font-size:11px;letter-spacing:.2em;
    text-transform:uppercase;color:var(--off);margin:38px 0 18px;
    padding-bottom:10px;border-bottom:1px solid var(--line2)}

  /* prefilled-from-order block */
  .prefill-wrap{border:1px solid var(--line);border-radius:3px;background:var(--panel);
    padding:4px 20px 12px;margin-bottom:26px}
  .pf-bar{display:flex;justify-content:space-between;align-items:center;
    padding:13px 0;border-bottom:1px solid var(--line2)}
  .pf-tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;
    text-transform:uppercase;color:var(--weld)}
  .pf-edit{font-family:var(--mono);font-size:10px;letter-spacing:.12em;
    text-transform:uppercase;color:var(--steel);background:none;border:0;cursor:pointer;
    text-decoration:underline;text-underline-offset:3px}
  .pf-edit:hover{color:var(--off)}
  .pf-row{display:flex;justify-content:space-between;align-items:baseline;
    padding:12px 0;border-bottom:1px solid var(--line2);font-size:1rem}
  .pf-row:last-child{border-bottom:0}
  .pf-row .k{font-family:var(--mono);font-size:11px;letter-spacing:.12em;
    text-transform:uppercase;color:var(--steel)}
  .pf-row .v{color:var(--off)}
  .pf-inputs{padding-top:8px}

  .more{font-family:var(--mono);font-size:11px;letter-spacing:.1em;
    text-transform:uppercase;color:var(--weld);background:none;border:0;cursor:pointer;
    padding:16px 0 0;display:inline-flex;align-items:center;gap:8px}
  .more .pm{border:1px solid var(--weld);border-radius:50%;width:16px;height:16px;
    display:inline-flex;align-items:center;justify-content:center;font-size:12px;line-height:1}
  .extra{display:none;margin-top:6px}
  .extra.open{display:block}

  /* diagram panel (physical + bike) */
  .diagram{background:var(--panel);border:1px solid var(--line);border-radius:3px;
    padding:22px;margin:26px 0 6px}
  .diagram .cap{font-family:var(--mono);font-size:10px;letter-spacing:.18em;
    text-transform:uppercase;color:var(--steel);display:flex;justify-content:space-between;
    margin-bottom:12px}
  svg .dim{opacity:.28;transition:opacity .25s}
  svg .dim.active{opacity:1}
  svg .dim text{font-family:var(--mono);font-size:11px;fill:var(--weld);letter-spacing:.04em}
  svg .dim path,svg .dim line{stroke:var(--weld);fill:none}
  svg .frame{stroke:var(--off);stroke-width:2.4;fill:none;stroke-linecap:round}
  svg .wheel{stroke:rgba(242,240,232,.32);stroke-width:2;fill:none}
  svg .ground{stroke:var(--line);stroke-width:1;stroke-dasharray:4 5}
  svg .fig{stroke:var(--off);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}

  /* ---- engineering-drawing sheet (dynamic frame) ---- */
  .draw-sheet{position:relative;background:#EDEBE2;border:1px solid #35302a;border-radius:2px;
    margin:26px 0 6px;overflow:hidden}
  .draw-sheet .grid-bg{position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(53,48,42,.08) 1px,transparent 1px),
      linear-gradient(90deg,rgba(53,48,42,.08) 1px,transparent 1px);
    background-size:24px 24px}
  .draw-sheet svg{position:relative;display:block;width:100%;height:auto}
  .draw-sheet .frame{stroke:#2b2823;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .draw-sheet .wheel{stroke:#78726a;stroke-width:2;fill:none}
  .draw-sheet .ground{stroke:#b7b1a4;stroke-width:1;stroke-dasharray:5 5}
  .draw-sheet .dim{opacity:.5;transition:opacity .2s}
  .draw-sheet .dim.active{opacity:1}
  .draw-sheet .dim path,.draw-sheet .dim line{stroke:#C24E12;stroke-width:1.4;fill:none}
  .draw-sheet .dim.active path,.draw-sheet .dim.active line{stroke-width:2}
  .draw-sheet .dim text{font-family:var(--mono);font-size:12px;fill:#B0450F}
  .draw-sheet .corner{position:absolute;width:13px;height:13px;border:2px solid #35302a;z-index:2}
  .draw-sheet .corner.tl{left:7px;top:7px;border-right:0;border-bottom:0}
  .draw-sheet .corner.tr{right:7px;top:7px;border-left:0;border-bottom:0}
  .draw-sheet .corner.bl{left:7px;bottom:7px;border-right:0;border-top:0}
  .draw-sheet .corner.br{right:7px;bottom:7px;border-left:0;border-top:0}
  .draw-sheet .tb{position:absolute;right:0;bottom:0;min-width:238px;background:#F4F2EA;
    border-left:1px solid #35302a;border-top:1px solid #35302a;font-family:var(--mono);z-index:3}
  .draw-sheet .tb .row{display:flex;border-bottom:1px solid rgba(53,48,42,.22)}
  .draw-sheet .tb .row:last-child{border-bottom:0}
  .draw-sheet .tb .k{padding:6px 9px;width:84px;color:#78726a;font-size:9px;letter-spacing:.1em;
    text-transform:uppercase;border-right:1px solid rgba(53,48,42,.22)}
  .draw-sheet .tb .v{padding:6px 9px;flex:1;color:#2b2823;font-size:10px;letter-spacing:.06em}
  .draw-sheet .tb .v.big{font-size:12px;letter-spacing:.18em;text-transform:uppercase}

  /* build-it-for-me groups */
  .group{border:1px solid var(--line);border-radius:3px;margin-bottom:16px;overflow:hidden}
  .group .g-head{display:flex;align-items:center;justify-content:space-between;
    padding:16px 20px;background:var(--panel2)}
  .group .g-title{font-family:var(--mono);font-size:12px;letter-spacing:.16em;
    text-transform:uppercase;color:var(--off)}
  .group .g-body{padding:6px 20px 20px;display:grid;grid-template-columns:1fr 1fr;gap:16px 22px}
  .group.byshop .g-body{display:none}
  .toggle{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);
    font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);cursor:pointer}
  .toggle .sw{width:34px;height:18px;border-radius:10px;background:rgba(242,240,232,.14);
    position:relative;transition:background .25s}
  .toggle .sw:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;
    border-radius:50%;background:var(--off);transition:transform .25s}
  .group.byshop .toggle .sw{background:var(--weld)}
  .group.byshop .toggle .sw:after{transform:translateX(16px)}

  /* sliders */
  .slider{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
  .slider .ends{display:flex;justify-content:space-between;font-family:var(--mono);
    font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}
  input[type=range]{-webkit-appearance:none;appearance:none;height:2px;background:var(--line);
    outline:none;padding:0;border:0}
  input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;
    border-radius:50%;background:var(--weld);cursor:pointer}

  /* anodizing — Ti-spectrum aurora slider */
  .ano-slider{margin-top:4px}
  .ano-label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--steel);margin-bottom:10px}
  .ano-label span{color:var(--off)}
  .ano-bar{position:relative;height:52px;border-radius:6px;overflow:hidden;cursor:ew-resize;
    border:1px solid var(--line);background:#262420;touch-action:none}   /* raw-Ti grey base */
  .ano-bar canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
  .ano-band{position:absolute;top:-70%;height:240%;width:46%;border-radius:50%;
    filter:blur(11px) saturate(1.45);mix-blend-mode:screen;opacity:0;
    transition:opacity .7s ease;pointer-events:none}
  .ano-band.on{opacity:1}
  .b1{background:radial-gradient(closest-side,#f0a72a,#f0a72a 30%,transparent 80%);left:-12%;animation:drift1 13s ease-in-out infinite alternate}
  .b2{background:radial-gradient(closest-side,#2f6fe0,#2f6fe0 30%,transparent 80%);left:14%;animation:drift2 17s ease-in-out infinite alternate}
  .b3{background:radial-gradient(closest-side,#e6449a,#e6449a 30%,transparent 80%);left:38%;animation:drift3 11s ease-in-out infinite alternate}
  .b4{background:radial-gradient(closest-side,#16c39a,#16c39a 30%,transparent 80%);left:60%;animation:drift4 15s ease-in-out infinite alternate}
  .b5{background:radial-gradient(closest-side,#8a4de0,#8a4de0 30%,transparent 80%);left:82%;animation:drift5 19s ease-in-out infinite alternate}
  @keyframes drift1{from{transform:translate(-34%,-4%)}to{transform:translate(44%,4%)}}
  @keyframes drift2{from{transform:translate(38%,3%)}to{transform:translate(-30%,-3%)}}
  @keyframes drift3{from{transform:translate(-40%,-5%)}to{transform:translate(30%,5%)}}
  @keyframes drift4{from{transform:translate(30%,4%)}to{transform:translate(-36%,-4%)}}
  @keyframes drift5{from{transform:translate(-28%,-3%)}to{transform:translate(40%,3%)}}
  /* aurora curtains — bright vertical rays that hang from the top, sway and flicker */
  .ano-rays{position:absolute;inset:0;mix-blend-mode:screen;pointer-events:none;z-index:1;overflow:hidden;
    -webkit-mask-image:linear-gradient(to bottom,#000 0%,#000 42%,transparent 100%);
            mask-image:linear-gradient(to bottom,#000 0%,#000 42%,transparent 100%)}
  .ano-rays:before,.ano-rays:after{content:"";position:absolute;inset:-14% -24%}
  .ano-rays:before{
    background:repeating-linear-gradient(91deg,transparent 0 7px,rgba(206,255,240,.6) 8px,transparent 9px 23px);
    filter:blur(1px);
    animation:auroraSway 7s ease-in-out infinite alternate, auroraFlicker 3.2s ease-in-out infinite}
  .ano-rays:after{
    background:repeating-linear-gradient(89deg,transparent 0 4px,rgba(178,238,255,.42) 5px,transparent 6px 16px);
    filter:blur(.6px);opacity:.7;
    animation:auroraSway2 9.5s ease-in-out infinite alternate, auroraFlicker 2.4s ease-in-out .6s infinite}
  @keyframes auroraSway{0%{transform:translateX(-7%) skewX(-7deg)}100%{transform:translateX(7%) skewX(7deg)}}
  @keyframes auroraSway2{0%{transform:translateX(6%) skewX(6deg)}100%{transform:translateX(-6%) skewX(-6deg)}}
  @keyframes auroraFlicker{0%,100%{opacity:.34}45%{opacity:.72}70%{opacity:.5}}
  .ano-cover{position:absolute;top:0;left:0;right:0;bottom:0;background:#262420;
    transition:left .16s ease;pointer-events:none;z-index:2}
  .ano-handle{position:absolute;top:-2px;bottom:-2px;left:0;width:0;z-index:3;pointer-events:none}
  /* leading edge is marked by the dot only — the old 2px vertical line shimmered
     over the animating canvas on mobile (thin sub-pixel line on a moving backdrop). */
  .ano-handle:after{content:"";position:absolute;top:50%;left:0;width:7px;height:7px;border-radius:50%;
    background:var(--off);transform:translate(-50%,-50%);box-shadow:0 0 5px rgba(0,0,0,.55)}
  .ano-stops{display:flex;justify-content:space-between;margin-top:9px;font-family:var(--mono);
    font-size:9px;letter-spacing:.05em;text-transform:uppercase;color:var(--steel)}
  .ano-stops span.on{color:var(--off);font-weight:700}

  /* nav */
  .nav{display:flex;justify-content:space-between;align-items:center;margin-top:44px}
  .btn{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
    text-decoration:none;color:var(--off);border:1px solid var(--line);background:transparent;
    padding:15px 30px;border-radius:2px;cursor:pointer;transition:all .25s}
  .btn:hover{border-color:rgba(242,240,232,.5)}
  .btn.primary{background:var(--weld);border-color:var(--weld);color:#160d05}
  .btn.ghost{border-color:transparent;color:var(--steel)}
  .btn.ghost:hover{color:var(--off)}
  .btn.big{padding:17px 40px}

  /* cover + review */
  .cover{display:flex;flex-direction:column;justify-content:center;min-height:84vh}
  .review-item{display:flex;justify-content:space-between;gap:20px;padding:13px 0;
    border-bottom:1px solid var(--line2);font-size:.98rem}
  .review-item .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;
    text-transform:uppercase;color:var(--steel)}
  .review-item .v{color:var(--off);text-align:right}
  .done-mark{width:60px;height:60px;border:1px solid var(--weld);border-radius:50%;
    display:flex;align-items:center;justify-content:center;color:var(--weld);
    font-size:26px;margin-bottom:26px}

  @media(max-width:820px){
    #sheet{grid-template-columns:1fr}
    .rail{position:fixed;inset:0 0 auto 0;height:auto;flex-direction:row;align-items:center;
      justify-content:space-between;padding:16px 20px;z-index:5}
    .rail .serial,.steps:before{display:none}
    .steps{display:flex;flex:none;gap:10px;order:2}
    .steps li{padding:0;width:11px;height:11px;overflow:hidden;text-indent:-999px}
    .steps li .dot{position:static}
    .rail .brand{margin:0}
    .panel{padding:100px 7vw 14vh}
    .grid,.grid.thirds,.group .g-body{grid-template-columns:1fr}
  }

  /* ---------- floating Strata tiles (parallax accents in the side gutter) ---------- */
  .ftile{position:absolute;overflow:hidden;border-radius:13px;
    border:1px solid rgba(242,240,232,.16);
    box-shadow:0 22px 48px rgba(0,0,0,.55),0 2px 0 rgba(242,240,232,.04) inset;
    background:#141312;pointer-events:none;z-index:2;will-change:transform;
    transition:none}
  .ftile img{display:block;width:100%;height:100%;object-fit:cover}
  .ftile .ft-cap{position:absolute;left:0;right:0;bottom:0;
    font-family:var(--mono);font-size:8px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--off);padding:16px 9px 7px;
    background:linear-gradient(rgba(11,11,10,0),rgba(11,11,10,.86))}
  .ftile .ft-cap b{color:var(--weld);font-weight:400}
  /* only float them where there's real gutter room; never over the fields */
  @media(max-width:1360px){ .ftile{display:none!important} }

  /* ---------- reference trays (anodize / finish / geometry) ---------- */
  .tray-link{background:none;border:0;padding:0;cursor:pointer;font:inherit;
    color:var(--weld);font-family:var(--mono);font-size:11px;letter-spacing:.06em;
    text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
    text-decoration-color:rgba(255,122,26,.5)}
  .tray-link:hover{text-decoration-color:var(--weld)}
  .tray-link .ar{text-decoration:none;display:inline-block;margin-left:3px}
  .sub-h{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap}
  .sub-h .tray-link{text-transform:none;font-size:10.5px;flex:none}
  .dd-tray-bd{position:fixed;inset:0;background:rgba(11,11,10,.74);opacity:0;visibility:hidden;
    transition:opacity .3s ease,visibility .3s;z-index:2147483200}
  .dd-tray-bd.open{opacity:1;visibility:visible}
  .dd-tray{position:fixed;top:0;right:0;bottom:0;width:min(94vw,540px);background:var(--panel2);
    border-left:1px solid var(--line);transform:translateX(100%);
    transition:transform .36s cubic-bezier(.4,0,.2,1);z-index:2147483201;
    display:flex;flex-direction:column;box-shadow:-30px 0 60px rgba(0,0,0,.5)}
  .dd-tray.open{transform:none}
  .dd-tray__head{display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:22px 24px;border-bottom:1px solid var(--line);flex:none}
  .dd-tray__head .ttl{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--weld)}
  .dd-tray__head .sub{font-family:var(--disp);font-size:1.15rem;color:var(--off);margin-top:4px;font-weight:300}
  .dd-tray__x{background:none;border:1px solid var(--line);color:var(--off);cursor:pointer;
    width:34px;height:34px;border-radius:50%;font-size:18px;line-height:1;flex:none;transition:border-color .2s}
  .dd-tray__x:hover{border-color:var(--weld)}
  .dd-tray__body{overflow-y:auto;padding:22px 24px 40px;flex:1}
  .dd-tray__note{font-family:var(--mono);font-size:11px;line-height:1.6;color:var(--steel);margin:0 0 18px}
  .opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  @media(max-width:460px){.opt-grid{grid-template-columns:1fr}}
  .opt-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel)}
  .opt-card .ph{aspect-ratio:4/3;position:relative;overflow:hidden;
    background:linear-gradient(135deg,#1c1814,#12100e);display:flex;align-items:center;justify-content:center}
  .opt-card .ph img{width:100%;height:100%;object-fit:cover;display:block}
  .opt-card .ph .pl{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel);
    border:1px dashed var(--line);border-radius:4px;padding:7px 10px}
  .opt-card .ph .sw{position:absolute;inset:0}
  .opt-card .cap{padding:12px 14px 14px}
  .opt-card .cap b{display:block;font-family:var(--disp);font-weight:400;font-size:1rem;color:var(--off);margin-bottom:4px}
  .opt-card .cap p{margin:0;font-family:var(--mono);font-size:10.5px;line-height:1.55;color:var(--steel)}
  .geo-table{width:100%;border-collapse:collapse;font-family:var(--mono)}
  .geo-table td{padding:11px 4px;border-bottom:1px solid var(--line2);font-size:12.5px}
  .geo-table td:first-child{color:var(--steel);letter-spacing:.04em}
  .geo-table td:last-child{color:var(--off);text-align:right;font-variant-numeric:tabular-nums}
  .geo-table tr:last-child td{border-bottom:0}

  /* ---------- mobile progress bar ---------- */
  .progress{display:none}
  .save-note{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
    color:var(--steel);display:flex;align-items:center;gap:7px;margin-top:auto;padding-top:18px}
  .save-note .d{width:6px;height:6px;border-radius:50%;background:var(--steel);flex:none;transition:background .3s}
  .save-note.saved .d{background:var(--weld)}
  .finish-later{margin-top:12px}
  @media(max-width:820px){
    .progress{display:flex;flex-direction:column;gap:6px;order:3;flex:1;min-width:120px}
    .progress__bar{height:3px;border-radius:2px;background:var(--line);overflow:hidden}
    .progress__bar span{display:block;height:100%;width:0;background:var(--weld);
      transition:width .4s cubic-bezier(.4,0,.2,1)}
    .progress__lbl{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
    .progress__lbl b{color:var(--off);font-weight:400}
    .save-note{display:none}
  }