@layer section{
/* /brief/ — the ride briefing (Oct 17, 2026). Lane Paint: square corners, hairlines, no shadows. Overpass only.
   The climb chart's grades: patina (flat, down) → powder rose (2–4) → smeared rose (4–7) → rose ink (7–10) → asphalt (10+). */
.bf-top{display:grid;gap:18px;max-width:760px}
.bf-top h1{margin:0}
.bf-promise{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0;padding:0;list-style:none;font-size:13px;font-weight:700;color:var(--mute)}
.bf-promise li::before{content:"";display:inline-block;width:8px;height:8px;margin-right:8px;background:var(--creosote);vertical-align:0}
.bf-drop{position:relative;display:grid;gap:8px;justify-items:start;padding:28px 24px;border:1px solid var(--asphalt);background:var(--paper);cursor:pointer}
.bf-drop.is-over{background:var(--creosote-lift)}
.bf-drop.is-busy{opacity:.6;pointer-events:none}
.bf-drop:focus-visible{outline-offset:3px}
.bf-drop input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.bf-drop .btn{pointer-events:none}
.bf-drop p{margin:0;font-size:14px;color:var(--mute)}
.bf-err{margin:0;padding:12px 14px;border:1px solid var(--creosote-ink);color:var(--creosote-ink);font-weight:700;max-width:760px}
.bf-sample{margin:0}

/* the plan: four fields on one hairline */
.bf-plan{margin-top:36px;padding-top:20px;border-top:1px solid var(--dust)}
.bf-plan-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin:0 0 14px;font-size:15px;font-weight:700}
.bf-plan-change{appearance:none;background:none;border:0;border-bottom:1px solid currentColor;padding:0 0 2px;font:inherit;font-size:13px;font-weight:700;color:var(--mute);cursor:pointer;min-height:44px;display:inline-flex;align-items:center}
.bf-plan-grid{display:grid;grid-template-columns:2fr 1.4fr .8fr .7fr auto;gap:14px;align-items:end;max-width:960px}
.bf-plan label{display:grid;gap:6px;font-size:13px;font-weight:700;color:var(--mute);min-width:0}
.bf-plan input,.bf-plan select{min-height:44px;padding:0 12px;border:1px solid var(--asphalt);border-radius:0;background:var(--paper);color:var(--asphalt);font:inherit;font-size:16px;width:100%;min-width:0}
@media (max-width:760px){.bf-plan-grid{grid-template-columns:1fr 1fr}.bf-plan-grid label:first-child{grid-column:1/-1}.bf-plan-grid .btn{grid-column:1/-1}}

/* the briefing */
.bf-out{margin-top:40px;display:grid;gap:36px;max-width:1040px}
.bf-kicker{display:flex;align-items:center;gap:12px;margin:0;font-size:13px;font-weight:700;color:var(--mute)}
.bf-chip{display:inline-block;padding:3px 8px 2px;border:1px solid var(--asphalt);font-size:12px;font-weight:700;line-height:1.3;color:var(--asphalt)}
.bf-chip--hard{background:var(--asphalt);color:var(--bone);border-color:var(--asphalt)}
.bf-chip--moderate{background:var(--creosote-lift);border-color:var(--creosote-lift)}
.bf-chip--easy{background:var(--dust);border-color:var(--dust)}
.bf-name{margin:8px 0 6px;font-size:clamp(1.9rem,3vw + 1rem,3rem);line-height:1;letter-spacing:-.02em}
.bf-sub{margin:0;font-size:15px;color:var(--mute)}
.bf-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;margin:0;background:var(--dust);border:1px solid var(--dust)}
.bf-stats div{background:var(--paper);padding:12px 14px 10px;min-width:0}
.bf-stats dt{font-size:12px;font-weight:700;color:var(--mute)}
.bf-stats dd{margin:2px 0 0;font-size:clamp(1.3rem,1.4vw + .8rem,1.9rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.bf-stats dd small{font-size:12px;font-weight:700;color:var(--mute);margin-left:3px;letter-spacing:0}
@media (max-width:760px){.bf-stats{grid-template-columns:repeat(3,1fr)}}
@media (max-width:420px){.bf-stats{grid-template-columns:repeat(2,1fr)}}

.bf-sec{display:grid;gap:12px}
.bf-sec h3{margin:0;font-size:1.25rem;letter-spacing:-.01em}
.bf-sec .bf-h-note{margin:-6px 0 0;font-size:13px;color:var(--mute)}
.bf-grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.bf-grid2>*{min-width:0}
@media (max-width:860px){.bf-grid2{grid-template-columns:1fr}}

/* drawings: the map and the climb chart, drawn clean */
.bf-map-box{position:relative;width:100%;max-width:100%;background:var(--paper);border:1px solid var(--dust)}
.bf-map-box svg{display:block;width:100%;height:100%}
.bf-rt{fill:none;stroke:var(--creosote);stroke-width:3.5;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}
.bf-map-box .bf-start,.bf-map-box .bf-finish{position:absolute;width:14px;height:14px;background:var(--asphalt);transform:translate(-50%,-50%)}
.bf-map-box .bf-start{border-radius:50%}
.bf-map-box .bf-cn-chip{position:absolute;transform:translate(-50%,-50%);background:var(--paper)}
.bf-scale{position:absolute;left:16px;bottom:14px;height:auto;border-bottom:2px solid var(--asphalt);font-size:12px;font-weight:700;color:var(--mute);line-height:1;padding-bottom:8px;text-align:center;white-space:nowrap}
.bf-scale::before,.bf-scale::after{content:"";position:absolute;bottom:-2px;width:2px;height:10px;background:var(--asphalt)}
.bf-scale::before{left:0}.bf-scale::after{right:0}
.bf-prof-box{position:relative;border:1px solid var(--dust);background:var(--paper)}
.bf-prof-box svg{display:block;width:100%;height:200px}
.bf-prof-box .bf-cn-chip{position:absolute;transform:translate(-50%,calc(-100% - 6px));background:var(--paper)}
.bf-prof-high{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--mute)}
.bf-prof-axis{position:relative;height:18px;margin:4px 0 0;font-size:12px;font-weight:700;color:var(--mute)}
.bf-prof-axis span{position:absolute;top:0;transform:translateX(-50%);white-space:nowrap}
.bf-prof-axis span:first-child{transform:none}
.bf-g.g0{fill:var(--dust)}.bf-g.g1{fill:var(--creosote-lift)}.bf-g.g2{fill:var(--creosote)}.bf-g.g3{fill:var(--creosote-ink)}.bf-g.g4{fill:var(--asphalt)}
.bf-pl{fill:none;stroke:var(--asphalt);stroke-width:1.4;vector-effect:non-scaling-stroke}
.bf-legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin:0;padding:0;list-style:none;font-size:12px;font-weight:700;color:var(--mute)}
.bf-legend i{display:inline-block;width:12px;height:12px;margin-right:6px;vertical-align:-1px}
.bf-legend .g0{background:var(--dust)}.bf-legend .g1{background:var(--creosote-lift)}.bf-legend .g2{background:var(--creosote)}.bf-legend .g3{background:var(--creosote-ink)}.bf-legend .g4{background:var(--asphalt)}

/* the words */
.bf-brief{margin:0;padding:0;list-style:none;display:grid;gap:10px;max-width:68ch}
.bf-brief li{padding-left:18px;position:relative;line-height:1.5}
.bf-brief li::before{content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;background:var(--creosote)}
.bf-brief li.bf-pending{color:var(--mute)}
.bf-brief li.bf-pending::before{background:var(--dust)}

/* weather on the road */
.bf-wxs{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:1px;background:var(--dust);border:1px solid var(--dust)}
.bf-wx{background:var(--paper);padding:10px 12px 10px;display:grid;gap:2px;min-width:0}
.bf-wx p{margin:0}
.bf-wx-when{font-size:12px;font-weight:700;color:var(--mute)}
.bf-wx-where{font-size:13px;font-weight:700}
.bf-wx-temp{font-size:1.5rem;font-weight:800;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.bf-wx-temp small{display:block;font-size:12px;font-weight:700;color:var(--mute);letter-spacing:0}
.bf-wx-line{font-size:12px;color:var(--mute)}
.bf-wx-wind{margin-top:4px;display:inline-block;justify-self:start;padding:2px 7px 1px;font-size:12px;font-weight:700;border:1px solid var(--asphalt)}
.bf-wx-wind--head{background:var(--creosote);color:var(--bone);border-color:var(--creosote)}
.bf-wx-wind--tail{background:var(--pool);color:var(--bone);border-color:var(--pool)}
.bf-wx-wind--cross{background:var(--dust);border-color:var(--dust)}

/* climbs */
.bf-climbs{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.bf-climb{border:1px solid var(--dust);background:var(--paper);padding:14px 16px 12px;display:grid;gap:8px;min-width:0}
.bf-climb-head{display:flex;align-items:center;gap:10px;margin:0;flex-wrap:wrap}
.bf-climb-head b{font-size:1.05rem}
.bf-cn-chip{display:inline-grid;place-items:center;width:26px;height:26px;border:1.5px solid var(--asphalt);font-size:13px;font-weight:800}
.bf-climb-sub{margin:0;font-size:13px;color:var(--mute)}
.bf-climb-nums{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:0}
.bf-climb-nums dt{font-size:12px;font-weight:700;color:var(--mute)}
.bf-climb-nums dd{margin:0;font-weight:800;font-size:1.05rem;white-space:nowrap;font-variant-numeric:tabular-nums}
.bf-climb-nums dd small{font-size:12px;font-weight:700;color:var(--mute);margin-left:2px}
.bf-climb-bars{display:flex;align-items:flex-end;gap:1px;height:48px;border-bottom:1px solid var(--asphalt)}
.bf-climb-bars i{flex:1;min-width:2px;display:block}
.bf-climb-bars .g0{background:var(--dust)}.bf-climb-bars .g1{background:var(--creosote-lift)}.bf-climb-bars .g2{background:var(--creosote)}.bf-climb-bars .g3{background:var(--creosote-ink)}.bf-climb-bars .g4{background:var(--asphalt)}

.bf-kv{display:grid;gap:10px;margin:0}
.bf-kv div{display:grid;grid-template-columns:72px 1fr;gap:12px}
.bf-kv dt{font-size:13px;font-weight:700;color:var(--mute)}
.bf-kv dd{margin:0;line-height:1.5}
.bf-water p{margin:0;line-height:1.5;max-width:60ch}

/* share and the file */
.bf-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.bf-share-out{width:100%;max-width:560px;min-height:44px;padding:0 12px;border:1px solid var(--dust);background:var(--paper);font:inherit;font-size:13px;color:var(--mute)}
.bf-verify{margin:0;padding-top:14px;border-top:1px solid var(--dust);font-size:13px;color:var(--mute);line-height:1.5;max-width:80ch}

/* how it's worked out */
.bf-how{margin-top:48px;max-width:760px}
.bf-how dl{margin:14px 0 0;display:grid;gap:10px}
.bf-how dt{font-weight:700}
.bf-how dd{margin:0;color:var(--mute);line-height:1.5;max-width:68ch}

/* compare and the poster (Oct 18, 2026) */
.bf-drop--sm{padding:16px 18px;border-color:var(--dust);background:transparent}
.bf-drop--sm p{font-size:13px}
.bf-cmp-chart svg{display:block;width:100%;height:220px;background:var(--paper);border:1px solid var(--dust)}
.bf-cmp-a{fill:var(--dust);fill-opacity:.7;stroke:var(--asphalt);stroke-width:1.4;vector-effect:non-scaling-stroke}
.bf-cmp-b{fill:var(--creosote-lift);fill-opacity:.75;stroke:var(--creosote-ink);stroke-width:1.4;vector-effect:non-scaling-stroke}
.bf-legend .ca{background:var(--dust)}.bf-legend .cb{background:var(--creosote-lift)}
.bf-cmp-grid{display:grid;grid-template-columns:auto 1fr 1fr;gap:1px;background:var(--dust);border:1px solid var(--dust);font-size:14px}
.bf-cmp-grid>*{background:var(--paper);padding:8px 10px;min-width:0}
.bf-cmp-grid .h{font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bf-cmp-grid .k{font-size:12px;font-weight:700;color:var(--mute)}
.bf-cmp-grid .v{font-weight:800;font-variant-numeric:tabular-nums}
.bf-file-btn{position:relative;overflow:hidden;cursor:pointer}
.bf-file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.bf-file-btn:focus-within{outline:2px solid var(--ring);outline-offset:3px}
/* the poster's two looks (Oct 30, 2026): chrome.css draws the pick (.gr-rev-pick span); this lays it out */
.bf-look{border:0;margin:0 0 16px;padding:0;display:flex;flex-wrap:wrap;gap:8px;min-width:0}
.bf-look legend{padding:0;margin:0 0 8px;width:100%;font-size:13px;font-weight:700;color:var(--mute)}
.bf-look label{cursor:pointer}
.bf-look input{position:absolute;opacity:0;pointer-events:none}
.bf-look span{display:inline-flex}
.bf-look input:focus-visible+span{outline:2px solid var(--ring);outline-offset:2px}
.bf-poster{display:grid;gap:12px;max-width:540px}
.bf-poster img{display:block;width:100%;height:auto;border:1px solid var(--dust)}
.bf-poster .bf-actions{margin:0}
.bf-map .bf-card{display:block;width:100%;height:auto;border:1px solid var(--dust)}
.bf-map .bf-card svg{display:block;width:100%;height:auto}

/* ————————————————————————————————————————————————————————————————————————
   Studio pass 1 (Oct 21, 2026), last in this sheet's layer: type-layout's block (T7, the tool page).
   The brief's 11px labels went to 12px in place above (the floor). The /brief/ load shift: the sample line
   keeps its space whether or not the HEAD check has un-hidden it yet (motion §11). ————————————————— */
.bf-drop p{max-width:var(--measure)}
.bf-sample{min-height:44px;display:flex;align-items:center}
/* until the script un-hides it, it keeps its row (/chrome.css base: .bf-sample[hidden]) */
.bf-how{margin-top:var(--sec)}
.bf-how dd{max-width:var(--measure)}
@media (min-width:1024px){
  /* the words on 1–6, the drop box on 7–12, as tall as the words */
  .bf-top{max-width:none;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--col-gap);row-gap:var(--s3);align-items:end}
  .bf-top>*{grid-column:1 / span 6}
  .bf-top>.bf-drop{grid-column:7 / -1;grid-row:2 / span 3;align-self:stretch;align-content:center}
  .bf-out{max-width:none}
}
}