/* ===========================================================================
   Atlas of American History — styles
   Adult / archival theme: a lit archive at night. Aged brass + parchment on
   deep ink. Muted layer + party inks. Truth-telling, not flag kitsch.
   =========================================================================== */

:root{
  /* surfaces */
  --bg:#0e1014;
  --bg-2:#141821;
  --panel:#181d28;
  --panel-2:#1f2532;
  --line:#2b3242;
  --line-soft:#222936;

  /* type */
  --ink:#ece6d6;        /* parchment */
  --ink-soft:#b9b3a4;
  --ink-mute:#8a8678;
  --ink-faint:#605d54;

  /* accents */
  --brass:#c9a24b;
  --brass-bright:#e3c074;
  --oxblood:#b1504a;
  --oxblood-deep:#7e2f2c;
  --teal:#6aa0a0;
  --navy:#3b6ea5;

  /* layer inks (muted, distinct) */
  --l-people:#cda64e;
  --l-peoples:#7fb0a6;
  --l-events:#c0784c;
  --l-places:#b99b6b;
  --l-documents:#9d93bd;
  --l-money:#74a86d;
  --l-movements:#d09a55;
  --l-culture:#bd7298;
  --l-world:#6f8fb8;
  --l-science:#5fa6ab;
  --l-orgs:#9aa0ac;
  --l-hidden:#b1504a;
  --l-influence:#caa23c;
  --l-structure:#8fa0c0;
  --l-gun:#c62828;
  --l-disaster:#d98324;

  /* party inks (subdued) */
  --p-dem:#4f7fb0;
  --p-rep:#b25a4d;
  --p-other:#8d8a7e;

  --font-d:"Spectral", Georgia, "Times New Roman", serif;
  --font-b:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius:12px;
  --radius-sm:8px;
  --shadow:0 18px 48px rgba(0,0,0,.55);
  --maxw:1180px;

  /* MOTION — site design principle: move like water. slow to start, accelerate,
     settle gently. Use these everywhere; never a bare `ease` or `linear`. */
  --ease:cubic-bezier(.45,0,.15,1);      /* fluid in-out — the default for reveals/movement */
  --ease-out:cubic-bezier(.22,1,.36,1);  /* gentle deceleration — for things growing/entering */
  --t-fast:.28s;                         /* micro: chips, hovers, fades */
  --t-med:.5s;                           /* panels, slides, repositioning */
  --t-slow:.7s;                          /* large reveals */
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(201,162,75,.07), transparent 60%),
    radial-gradient(900px 600px at -10% 10%, rgba(59,110,165,.06), transparent 55%),
    var(--bg);
  color:var(--ink);
  font-family:var(--font-b);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
/* flag backdrop — pans top→bottom as you scroll (parallax slow-reveal of the whole image) */
body::before{
  content:'';position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:url('American_Atlas_flag_BG.jpg') center var(--bgy,0%) / cover no-repeat;
}
body::after{  /* static readability scrim over the panning image */
  content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg, rgba(13,15,19,.64), rgba(13,15,19,.80) 50%, rgba(13,15,19,.9));
}
a{color:var(--brass-bright);text-decoration:none}
button{font-family:inherit}
::selection{background:rgba(201,162,75,.28)}

/* ----- sticky header (search + filters stay pinned) --------------------- */
.stickyhead{position:sticky;top:0;z-index:40;backdrop-filter:blur(10px);background:linear-gradient(180deg, rgba(14,16,20,.96), rgba(14,16,20,.88));border-bottom:1px solid var(--line)}
.topbar{position:relative;z-index:1}
.topbar__inner{max-width:var(--maxw);margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.topbar__ctrls{display:flex;gap:8px;margin-left:auto}
.brand{display:flex;flex-direction:column;line-height:1.05;margin-right:6px;cursor:pointer}
.brand b{font-family:var(--font-d);font-weight:700;font-size:20px;letter-spacing:.2px;color:var(--ink)}
.brand small{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--brass);margin-top:3px}

.search{position:relative;flex:1;min-width:200px;max-width:420px}
.search input{
  width:100%;background:var(--panel);border:1px solid var(--line);color:var(--ink);
  padding:10px 14px 10px 38px;border-radius:999px;font-size:14px;outline:none;
}
.search input:focus{border-color:var(--brass);box-shadow:0 0 0 3px rgba(201,162,75,.15)}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;fill:var(--ink-mute)}
.search__results{
  position:absolute;top:46px;left:0;right:0;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-sm);box-shadow:var(--shadow);max-height:340px;overflow:auto;z-index:50;display:none;
}
.search__results.open{display:block}
.sr-item{display:flex;align-items:center;gap:10px;padding:9px 13px;cursor:pointer;border-bottom:1px solid var(--line-soft)}
.sr-item:last-child{border-bottom:none}
.sr-item:hover,.sr-item.active{background:var(--panel-2)}
.sr-item .dot{width:8px;height:8px;border-radius:50%;flex:none}
.sr-item .nm{font-size:14px;color:var(--ink)}
.sr-item .mt{font-size:11px;color:var(--ink-mute);margin-left:auto;text-transform:uppercase;letter-spacing:.08em}
.sr-item mark{background:transparent;color:var(--brass-bright);font-weight:600}

/* ----- header controls + revealed panels (lenses / layers) -------------- */
.ctrl{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;cursor:pointer;background:var(--panel);border:1px solid var(--line);color:var(--ink-soft);font-size:12.5px;transition:border-color .15s,color .15s,background .15s}
.ctrl:hover{border-color:var(--ink-mute)}
.ctrl .ic{color:var(--brass);font-size:12px}
.ctrl--lens{border-color:rgba(201,162,75,.35)}
.ctrl.on{border-color:var(--brass);color:var(--brass-bright);background:rgba(201,162,75,.12)}
.ctrl.active::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--brass-bright);box-shadow:0 0 6px var(--brass)}
.reveal{max-width:min(var(--maxw),calc(100% - 44px));margin:2px auto 12px;padding:13px 15px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--bg-2);max-height:56vh;overflow:auto}
/* filter bar lives in the page body (transparent), sticks to top on scroll */
.filterwrap{position:sticky;top:62px;z-index:35;transition:background var(--t-med) var(--ease),box-shadow var(--t-med) var(--ease)}
.filterwrap.stuck{background:linear-gradient(180deg,rgba(13,15,19,.97) 0%,rgba(13,15,19,.88) 55%,rgba(13,15,19,0) 100%)}
/* panel open = lift the bar+panel into a fixed overlay pinned to the top; it never pushes
   page content, and the background scrolls to the top on its own behind the scrim */
body.panel-open .filterwrap{position:fixed;top:62px;left:0;right:0;z-index:36;background:linear-gradient(180deg,var(--bg) 0%,var(--bg) 60%,rgba(14,16,20,0) 100%)}
.filterbar{max-width:min(var(--maxw),calc(100% - 44px));margin:0 auto;padding:14px 0;display:flex;align-items:center;justify-content:center;gap:12px}
.ctrl--lens{font-size:15px;padding:11px 22px;font-weight:600}
/* threads toggle — glows the same gold as the threads when enabled */
.ctrl--threads{font-size:15px;padding:11px 18px;font-weight:600;border-color:rgba(201,162,75,.35)}
.ctrl--threads svg{flex:none;opacity:.85;transition:opacity .15s}
.ctrl--threads.on{border-color:var(--brass);color:var(--brass-bright);background:rgba(201,162,75,.12);box-shadow:0 0 18px -3px rgba(227,192,116,.75),inset 0 0 12px -6px rgba(227,192,116,.5)}
.ctrl--threads.on svg{opacity:1;filter:drop-shadow(0 0 3px rgba(227,192,116,.6))}
/* threads off — hide the resting hub→satellite threads (hover web is guarded in JS) */
body.threads-off .scene__threads{display:none}
/* the panel is just a container — no screen-wide scrim; its background fades out at the bottom */
/* grid-template-rows 0fr→1fr animates the panel's REAL height — smooth & water-like,
   no max-height guesswork (the old 0→1700px snap was the jarring open). */
.reveal--panel{max-width:min(var(--maxw),calc(100% - 44px));margin:0 auto;border:0;border-radius:var(--radius-sm) var(--radius-sm) 0 0;background:linear-gradient(180deg,var(--bg-2) 0%,var(--bg-2) 80%,rgba(31,37,50,0) 100%);display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows var(--t-med) var(--ease),opacity var(--t-med) var(--ease),margin-bottom var(--t-med) var(--ease)}
.reveal--panel>.reveal__inner{overflow:hidden;min-height:0}
.reveal--panel.open{grid-template-rows:1fr;opacity:1;margin-bottom:14px}
/* fixed top overlay: clean solid card with rounded bottom + shadow (no bottom-fade) so Done reads clearly.
   The definite max-height gives grid-template-rows:1fr a height to resolve against (a fixed overlay has none),
   so the panel grows to its real content and only caps when the viewport is genuinely too short. */
body.panel-open .reveal--panel{background:var(--bg-2);border-radius:0 0 var(--radius) var(--radius);box-shadow:0 22px 48px -16px rgba(0,0,0,.7);max-height:calc(100vh - 140px)}
/* show the WHOLE panel when it fits; only scroll internally if the viewport is too short */
.reveal--panel.open>.reveal__inner{overflow-y:auto;padding-bottom:12px}
.fsec{padding:14px 16px;border-bottom:1px solid var(--line-soft)}
.fsec:last-child{border-bottom:none}
.fsec--lens{background:linear-gradient(180deg,rgba(201,162,75,.07),transparent)}
.fsec__h{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.fsec__t{font-family:var(--font-b);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);font-weight:600}
.fsec__tag{font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--brass);border:1px solid rgba(201,162,75,.4);background:rgba(201,162,75,.08);padding:2px 8px;border-radius:999px}
.resetbtn{margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink-mute);font-size:11.5px;padding:5px 11px;border-radius:999px;cursor:pointer}
.resetbtn:hover{border-color:var(--brass);color:var(--brass-bright)}
.fsec--foot{display:flex;justify-content:flex-end;padding:12px 16px}
.donebtn{background:var(--brass);color:var(--bg);border:none;font-weight:600;font-size:13px;padding:8px 22px;border-radius:999px;cursor:pointer}
.donebtn:hover{background:var(--brass-bright)}
/* active lens choice shown beside the panel button */
.activechip{display:inline-flex;align-items:center;gap:0;border:1px solid var(--brass);background:rgba(201,162,75,.14);border-radius:999px;overflow:hidden;opacity:0;transform:translateX(8px);transition:opacity var(--t-med) var(--ease),transform var(--t-med) var(--ease)}
.activechip.show{opacity:1;transform:none}
.activechip__t{background:none;border:none;color:var(--brass-bright);font:inherit;font-size:12px;font-weight:600;padding:6px 4px 6px 12px;cursor:pointer;white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}
.activechip__x{background:none;border:none;color:var(--ink-mute);font-size:12px;padding:6px 11px 6px 6px;cursor:pointer}
.activechip__x:hover{color:var(--oxblood)}
.reveal__lbl{margin:0 0 11px;font-size:12.5px;color:var(--ink-mute);line-height:1.5;max-width:78ch}
.reveal__lbl b{color:var(--brass-bright);font-weight:600}
.lensgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:9px}
.lenscard{text-align:left;cursor:pointer;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:4px;transition:border-color .15s,background .15s}
.lenscard:hover{border-color:var(--ink-mute)}
.lenscard.on{border-color:var(--brass);background:rgba(201,162,75,.14)}
.lenscard__h{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink)}
.lenscard__h .ic{color:var(--brass);font-size:13px}
.lenscard.on .lenscard__h{color:var(--brass-bright)}
.lenscard__d{font-size:11.5px;color:var(--ink-mute);line-height:1.4}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;cursor:pointer;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-soft);font-size:12.5px;
  transition:background .15s,border-color .15s,color .15s,opacity .15s;user-select:none;
}
.chip:hover{border-color:var(--ink-mute)}
.chip .sw{width:9px;height:9px;border-radius:2px;flex:none}
.chip.off{opacity:.4}
.chip--flag.is-on{border-color:var(--brass);background:rgba(201,162,75,.16);color:var(--ink);box-shadow:0 0 0 1px var(--brass)}
.resetbtn--clear{margin-left:8px;border-color:rgba(177,80,74,.5);color:var(--oxblood,#b1504a)}
.chip.lens.on{background:rgba(201,162,75,.16);border-color:var(--brass);color:var(--brass-bright)}
.chip.lens .ic{font-size:13px}

/* ----- timeline ---------------------------------------------------------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:8px 22px 120px}
.era{margin:34px 0 10px;scroll-margin-top:90px}
.era__band{
  display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  padding:12px 16px;border-left:3px solid var(--brass);
  background:linear-gradient(90deg, rgba(201,162,75,.08), transparent 70%);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.era__band h2{font-family:var(--font-d);font-size:24px;margin:0;color:var(--ink);font-weight:700;display:flex;align-items:center;gap:12px}
.era__idx{font-size:13px;font-weight:700;color:var(--brass);background:rgba(201,162,75,.12);border:1px solid rgba(201,162,75,.35);min-width:30px;height:26px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;letter-spacing:.02em}
/* collapsible "Before the Presidents" — gold chevron toggle, closed by default so the spine reads first */
.era--collapsible .era__band{cursor:pointer;align-items:center}
.era--collapsible .era__band:hover{background:linear-gradient(90deg,rgba(201,162,75,.16),transparent 70%)}
.era__toggle{flex:none;background:none;border:none;padding:2px;margin:0 2px 0 -2px;display:inline-flex;align-items:center;color:var(--brass-bright);cursor:pointer}
.era__chev{display:block;transition:transform var(--t-med) var(--ease)}
.era:not(.era--collapsed) .era__chev{transform:rotate(90deg)}
.era--collapsed .era__chev{animation:eraChevPulse 2.2s ease-in-out infinite}
@keyframes eraChevPulse{0%,100%{filter:drop-shadow(0 0 2px rgba(227,192,116,.45))}50%{filter:drop-shadow(0 0 9px rgba(227,192,116,1))}}
.era__collapse{display:grid;grid-template-rows:1fr;transition:grid-template-rows var(--t-slow) var(--ease)}
.era--collapsed .era__collapse{grid-template-rows:0fr}
.era__collapse-inner{overflow:hidden;min-height:0}
@media (prefers-reduced-motion:reduce){.era__chev,.era--collapsed .era__chev{animation:none}.era__collapse{transition:none}}
.era__yr{font-size:13px;color:var(--brass);letter-spacing:.05em;font-variant-numeric:tabular-nums}
.era__blurb{flex-basis:100%;font-size:13.5px;color:var(--ink-mute);margin-top:5px;max-width:75ch;line-height:1.55}

.era-nodes{margin:14px 0 6px}
.era-nodes .grouplabel{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin:8px 2px 8px}

/* presidency hub */
.pres{margin:16px 0;border:1px solid var(--line-soft);border-radius:var(--radius);background:linear-gradient(180deg,var(--panel),var(--bg-2));overflow:hidden}
.pres__head{display:flex;gap:14px;align-items:center;width:100%;text-align:left;padding:14px 16px;cursor:pointer;position:relative;background:none;border:none;color:inherit;font:inherit}
.pres__head:hover{background:var(--panel-2)}
.pres__head:hover .pres__open{color:var(--brass-bright);transform:translateX(2px)}
.pres__num{
  font-family:var(--font-d);font-size:15px;font-weight:700;color:var(--bg);
  background:var(--brass);min-width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex:none;
  font-variant-numeric:tabular-nums;
}
.pres__meta{flex:1;min-width:0}
.pres__name{font-family:var(--font-d);font-size:18px;font-weight:600;color:var(--ink);line-height:1.2}
.pres__sub{font-size:12px;color:var(--ink-mute);margin-top:3px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.party{display:inline-flex;align-items:center;gap:5px}
.party .pd{width:8px;height:8px;border-radius:50%}
.pres__open{flex:none;font-size:12.5px;color:var(--ink-mute);transition:color .15s,transform .15s}
.pres__summary{font-size:13.5px;color:var(--ink-soft);margin:0 16px 4px 64px;max-width:80ch;line-height:1.55}

/* featured story-cards (calm home — a taste, not a wall) */
.featgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(186px,1fr));gap:9px;padding:8px 16px 16px}
.featcard{text-align:left;background:var(--panel-2);border:1px solid var(--line-soft);border-radius:10px;padding:10px 12px;cursor:pointer;transition:border-color .15s,transform .12s,background .15s,opacity .15s;display:flex;flex-direction:column;gap:4px}
.featcard:hover{border-color:var(--ink-mute);transform:translateY(-1px);background:#232a38}
.featcard__top{display:flex;align-items:flex-start;gap:8px}
.featcard__dot{width:8px;height:8px;border-radius:50%;flex:none;margin-top:5px}
.featcard__name{font-family:var(--font-d);font-size:14px;font-weight:600;color:var(--ink);line-height:1.22}
.featcard__meta{font-size:11px;color:var(--ink-mute);padding-left:16px;font-variant-numeric:tabular-nums}
.featcard.hiddenflag{border-color:rgba(177,80,74,.45);background:rgba(177,80,74,.08)}
.featcard.off,.featcard[hidden]{display:none}
.featcard.dim{opacity:.26}
.featcard.hl{border-color:var(--brass);box-shadow:0 0 0 1px var(--brass)}
.featmore,.showall{grid-column:1/-1;justify-self:start;background:none;border:1px dashed var(--line);color:var(--ink-mute);font-size:12px;padding:8px 13px;border-radius:8px;cursor:pointer;transition:border-color .15s,color .15s}
.featmore:hover,.showall:hover{border-color:var(--brass);color:var(--brass-bright)}
.showall{margin:0 16px}

/* node chip */
.node{
  display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:999px;cursor:pointer;
  background:var(--panel-2);border:1px solid var(--line-soft);font-size:12.5px;color:var(--ink-soft);
  transition:opacity .15s,border-color .15s,transform .12s,background .15s;max-width:100%;
}
.node:hover{border-color:var(--ink-mute);transform:translateY(-1px);background:#232a38}
.node .dot{width:8px;height:8px;border-radius:50%;flex:none}
.node .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:30ch}
.node.tier1{font-weight:600;color:var(--ink)}
.node.hiddenflag{border-color:rgba(177,80,74,.55);background:rgba(177,80,74,.1)}
.node.hiddenflag .nm::after{content:"⊘";margin-left:6px;color:var(--oxblood);font-size:11px}
.node.dim{opacity:.2}
.node.hl{box-shadow:0 0 0 2px var(--brass);opacity:1}

/* ----- detail overlay ---------------------------------------------------- */
.overlay{position:fixed;inset:0;z-index:60;display:none;align-items:center;justify-content:center;padding:5vh 18px}
.overlay.open{display:flex}
.overlay__scrim{position:absolute;inset:0;background:rgba(6,7,10,.74);backdrop-filter:blur(9px);opacity:0;transition:opacity var(--t-med) var(--ease)}
.overlay.lit .overlay__scrim{opacity:1}
.sheet{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow);width:min(960px,100%);max-height:90vh;display:flex;flex-direction:column;overflow:hidden;
  opacity:0;transform:scale(.97);
}
.sheet.enter{opacity:1;transform:scale(1);transition:opacity .28s ease,transform .28s ease}
.sheet__bar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line-soft);flex:none}
.iconbtn{background:var(--panel-2);border:1px solid var(--line);color:var(--ink-soft);width:32px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;flex:none}
.iconbtn:hover{border-color:var(--brass);color:var(--brass-bright)}
.iconbtn:disabled{opacity:.3;cursor:default;border-color:var(--line)}
.crumbs{flex:1;min-width:0;font-size:12px;color:var(--ink-mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crumbs b{color:var(--ink-soft);font-weight:500}
.crumbs .sep{margin:0 6px;color:var(--ink-faint)}

.sheet__body{display:grid;grid-template-columns:1.45fr 1fr;gap:0;overflow:hidden;min-height:0}
.sheet__main{padding:20px 22px;overflow:auto;min-height:0}
.sheet__rail{border-left:1px solid var(--line-soft);background:var(--bg-2);padding:16px 16px 22px;overflow:auto;min-height:0}

.d-kicker{display:inline-flex;align-items:center;gap:7px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:8px}
.d-kicker .dot{width:9px;height:9px;border-radius:50%}
.d-title{font-family:var(--font-d);font-size:27px;line-height:1.12;margin:0 0 6px;color:var(--ink)}
.d-meta{font-size:12.5px;color:var(--ink-mute);margin-bottom:14px;font-variant-numeric:tabular-nums}
.d-heritage{display:inline-block;font-size:12px;color:var(--brass-bright);border:1px solid rgba(201,162,75,.4);background:rgba(201,162,75,.08);padding:3px 10px;border-radius:999px;margin:18px 0 14px}
.d-faith{display:inline-block;font-size:12px;color:#c3a3d6;border:1px solid rgba(176,127,199,.42);background:rgba(176,127,199,.1);padding:3px 10px;border-radius:999px;margin:8px 0 4px}   /* grouped just under the association/institution badges */
.d-faith--link{font:inherit;font-size:12px;cursor:pointer;transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease)}
.d-faith--link:hover{border-color:#b07fc7;background:rgba(176,127,199,.2)}
.d-hero{margin:14px 0 16px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line-soft);background:var(--bg-2)}
/* contain (not cover) so whole faces/figures always show — never cropped at top or bottom;
   the figure's matte background fills the letterbox around portrait vs landscape images */
.d-hero img{display:block;width:100%;height:330px;object-fit:contain;object-position:center;background:var(--bg-2)}
.d-hero figcaption{font-size:11px;color:var(--ink-mute);padding:6px 10px;background:var(--panel-2)}
.d-hero figcaption a{color:var(--ink-mute)}
.d-hero figcaption a:hover{color:var(--brass-bright)}
.d-summary{font-size:15px;color:var(--ink);line-height:1.6;margin:0 0 14px}
.d-sig{font-size:14px;color:var(--ink-soft);line-height:1.55;margin:0 0 16px;padding-left:14px;border-left:2px solid var(--line)}
.d-sig b{color:var(--brass);font-weight:600;font-size:11px;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:3px}

.d-hidden{border:1px solid rgba(177,80,74,.4);background:rgba(177,80,74,.08);border-radius:var(--radius-sm);padding:12px 14px;margin:0 0 16px}
.d-hidden .hh{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--oxblood);font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.d-hidden .row{font-size:13px;color:var(--ink-soft);margin:3px 0}
.d-hidden .row b{color:var(--ink);font-variant-numeric:tabular-nums}

.d-sources{margin-top:8px}
.d-sources .hh{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:7px;display:flex;align-items:center;gap:8px}
.conf{font-size:10px;letter-spacing:.06em;text-transform:uppercase;padding:2px 7px;border-radius:999px;border:1px solid var(--line);color:var(--ink-mute)}
.conf.established{color:var(--l-money);border-color:rgba(116,168,109,.5)}
.d-sources ul{list-style:none;margin:0;padding:0}
.d-sources li{font-size:12.5px;color:var(--ink-soft);padding:6px 0 6px 18px;position:relative;border-bottom:1px solid var(--line-soft)}
.d-sources li:before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brass)}
.d-sources li:last-child{border-bottom:none}

/* connection rail */
.rail-h{font-family:var(--font-b);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin:0 0 4px}
.rail-sub{font-size:11.5px;color:var(--ink-faint);margin:0 0 14px}
.rail{position:relative;list-style:none;margin:0;padding:0}
.rail:before{content:"";position:absolute;left:46px;top:6px;bottom:6px;width:1px;background:var(--line)}
.rel{display:grid;grid-template-columns:40px 1fr;gap:10px;align-items:start;padding:4px 0;cursor:pointer;border-radius:8px;transition:background .12s}
.rel:hover{background:var(--panel)}
.rel__yr{font-size:11px;color:var(--ink-mute);text-align:right;padding-top:3px;font-variant-numeric:tabular-nums}
.rel__body{position:relative;padding-left:16px}
.rel__body:before{content:"";position:absolute;left:1px;top:6px;width:9px;height:9px;border-radius:50%;background:var(--panel);border:2px solid var(--lc,var(--brass))}
/* lens-colour legend above the connections rail */
.rail-legend{display:flex;flex-wrap:wrap;gap:4px 12px;margin:6px 0 12px;padding-bottom:10px;border-bottom:1px solid var(--line-soft)}
.rail-legend span{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;color:var(--ink-mute)}
.rail-legend i{width:8px;height:8px;border-radius:50%;display:inline-block}
.rel__type{font-size:11px;color:var(--ink-mute);text-transform:lowercase;letter-spacing:.02em}
.rel__name{font-size:13.5px;color:var(--ink);line-height:1.3}
.rel__note{font-size:11.5px;line-height:1.4;color:var(--ink-faint);margin-top:3px}
.rel:hover .rel__name{color:var(--brass-bright)}
.rel.dim{opacity:.28}
.rel.lenshit .rel__body:before{border-color:var(--oxblood);background:rgba(177,80,74,.3)}
.rail-empty{font-size:13px;color:var(--ink-faint);font-style:italic;padding:10px 0}

/* president rail: responsibility filter (signed a law ≠ approved ≠ happened on his watch) */
.railchips{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px;padding-bottom:11px;border-bottom:1px solid var(--line-soft)}
.railchip{font:inherit;font-size:11.5px;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:4px 11px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),background var(--t-fast) var(--ease)}
.railchip:hover{border-color:var(--ink-mute);color:var(--ink)}
.railchip b{font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink-mute);font-size:11px}
.railchip.is-on{border-color:var(--brass);color:var(--brass-bright);background:rgba(201,162,75,.12)}
.railchip.is-on b{color:var(--brass-bright)}

/* "money in this arena" — documented spending context on a law's card */
.moneyblock{border:1px solid rgba(111,174,106,.38);background:rgba(111,174,106,.07);border-radius:var(--radius-sm);padding:13px 15px;margin:0 0 16px}
.money__h{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#7cba76;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.money__arena{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-mute);border:1px solid var(--line);border-radius:999px;padding:2px 8px;font-weight:600}
.money__intro{font-size:12.5px;color:var(--ink-soft);line-height:1.5;margin:0 0 11px}
.money__rows{display:flex;flex-direction:column;gap:9px;margin-bottom:11px}
.money__r{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:baseline}
.money__amt{font-family:var(--font-d);font-size:17px;font-weight:700;color:#9ed398;white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right;min-width:92px}
.money__lbl{font-size:12.5px;color:var(--ink-soft);line-height:1.4}
.money__when{color:var(--ink-faint);font-size:11px}
.money__src{border-top:1px solid var(--line-soft);padding-top:8px}
.money__srch{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);display:block;margin-bottom:5px}
.money__src ul{list-style:none;margin:0;padding:0}
.money__src li{font-size:11.5px;color:var(--ink-faint);line-height:1.45;padding:2px 0 2px 14px;position:relative}
.money__src li:before{content:"";position:absolute;left:2px;top:8px;width:5px;height:5px;border-radius:50%;background:#6fae6a}

/* "By the numbers" — striking sourced facts on event/place cards */
.factsblock{border:1px solid rgba(201,162,75,.34);background:rgba(201,162,75,.06);border-radius:var(--radius-sm);padding:13px 15px;margin:0 0 16px}
.facts__h{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass-bright);font-weight:700;margin-bottom:10px}
.facts__rows{display:flex;flex-direction:column;gap:9px}
.fact__r{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:baseline}
.fact__n{font-family:var(--font-d);font-size:18px;font-weight:700;color:var(--brass-bright);white-space:nowrap;font-variant-numeric:tabular-nums;text-align:right;min-width:92px}
.fact__lbl{font-size:13px;color:var(--ink-soft);line-height:1.4}
.fact__note{font-size:13px;color:var(--ink);line-height:1.5;padding-left:16px;position:relative;font-style:italic}
.fact__note:before{content:"";position:absolute;left:2px;top:8px;width:6px;height:6px;border-radius:50%;background:var(--brass)}
.facts__src{border-top:1px solid var(--line-soft);padding-top:8px;margin-top:11px}
.facts__srch{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);display:block;margin-bottom:5px}
.facts__src ul{list-style:none;margin:0;padding:0}
.facts__src li{font-size:11.5px;color:var(--ink-faint);line-height:1.45;padding:2px 0 2px 14px;position:relative}
.facts__src li:before{content:"";position:absolute;left:2px;top:8px;width:5px;height:5px;border-radius:50%;background:var(--brass)}

/* "where is this?" locator map */
.locator{margin:14px 0 16px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);overflow:hidden;background:var(--locator-sea,#0e1620)}
.locator__map{display:block;width:100%;height:190px;background:var(--locator-sea,#0e1620)}
.locator__sea{fill:var(--locator-sea,#0e1620)}
.locator__land{fill:var(--locator-land,#2b3340);stroke:var(--locator-coast,#3c4658);stroke-linejoin:round}
.locator__halo{fill:rgba(194,86,79,.28)}
.locator__dot{fill:#e0584f;stroke:#fff;stroke-width:.3;paint-order:stroke}
.locator__cap{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-soft);padding:8px 12px;background:var(--panel-2);border-top:1px solid var(--line-soft)}
.locator__pinicon{width:14px;height:14px;fill:#e0584f;flex:none}
.locator__sub{color:var(--ink-mute);font-size:11px;font-variant-numeric:tabular-nums;margin-left:auto}

/* ----- branch explorer (nodes unravel rightward along threads) ---------- */
.bx{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);width:min(1320px,100%);height:88vh;display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:scale(.98)}
.bx.enter{opacity:1;transform:scale(1);transition:opacity .26s ease,transform .26s ease}
.bx-bar{display:flex;align-items:center;gap:12px;padding:11px 15px;border-bottom:1px solid var(--line-soft);flex:none}
.bx-bar .crumbs{flex:1;min-width:0;overflow-x:auto;white-space:nowrap;font-size:12.5px;color:var(--ink-mute);scrollbar-width:none}
.bx-bar .crumbs::-webkit-scrollbar{display:none}
.cr{cursor:pointer;color:var(--ink-mute)}
.cr:hover{color:var(--brass-bright)}
.cr b{color:var(--ink);font-weight:600}
.bx-canvas{position:relative;flex:1;overflow:auto;min-height:0;background:radial-gradient(900px 500px at 30% 0%, rgba(201,162,75,.04), transparent 60%)}
.bx-threads{position:absolute;top:0;left:0;pointer-events:none;z-index:0;overflow:visible}
.bx-cols{position:relative;z-index:1;display:flex;align-items:flex-start;gap:60px;padding:26px 44px 40px;width:max-content;min-width:100%}
.bx-col{display:flex;flex-direction:column;gap:14px;width:268px;flex:none}
.bx-empty{font-size:12px;color:var(--ink-faint);font-style:italic;padding:10px 2px}
.bcard{background:var(--panel-2);border:1px solid var(--line-soft);border-radius:12px;padding:11px 13px;cursor:pointer;position:relative;transition:border-color .15s,transform .12s,opacity .15s,box-shadow .15s}
.bcard:hover{border-color:var(--ink-mute);transform:translateY(-1px)}
.bcard.root{cursor:default;border-color:var(--line);background:linear-gradient(180deg,var(--panel),var(--bg-2))}
.bcard.selected{border-color:var(--brass);box-shadow:0 0 0 1px var(--brass)}
.bcard.hiddenflag{border-color:rgba(177,80,74,.5);background:rgba(177,80,74,.08)}
.bcard.dim{opacity:.3}
.bcard__rel{font-size:11px;color:var(--ink-mute);text-transform:lowercase;letter-spacing:.02em;margin-bottom:5px}
.bcard__rel .yr{color:var(--brass);font-variant-numeric:tabular-nums;text-transform:none;margin-right:2px}
.bcard__top{display:flex;align-items:flex-start;gap:8px}
.bcard__top .dot{width:9px;height:9px;border-radius:50%;flex:none;margin-top:5px}
.bcard__name{font-family:var(--font-d);font-size:15px;line-height:1.2;color:var(--ink);font-weight:600}
.bcard__note{font-size:11.5px;line-height:1.42;color:var(--ink-faint);margin-top:7px}
.bcard__detail{margin-top:11px;border-top:1px solid var(--line-soft);padding-top:11px}
.bcard__lead{font-size:12px;color:var(--ink-soft);margin:0 0 9px;font-style:italic;line-height:1.45}
.bcard__meta{font-size:11.5px;color:var(--ink-mute);margin-bottom:9px;font-variant-numeric:tabular-nums}
.bcard__detail .d-heritage{font-size:11px;margin-bottom:9px}
.bcard__detail .d-hero{margin-bottom:10px}
.bcard__detail .d-hero img{max-height:150px}
.bcard__detail .d-summary{font-size:12.5px;line-height:1.5;margin-bottom:9px}
.bcard__detail .d-sig{font-size:11.5px;margin-bottom:9px}
.bcard__detail .d-hidden{padding:9px 10px;margin-bottom:9px}
.bcard__detail .d-hidden .row{font-size:11.5px}
.bcard__detail .d-sources .hh{font-size:10px}
.bcard__detail .d-sources li{font-size:11px;padding:5px 0 5px 16px}
.thread{fill:none;stroke:var(--brass);stroke-width:1.5;opacity:.32}
.thread.active{stroke:var(--brass-bright);stroke-width:2.5;opacity:1}
.thread.dim{opacity:.1}

/* ----- constellation home: scenes · hubs · satellites · threads -------- */
.scene{position:relative;display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start;padding:6.5vh 6px 6.5vh 6px}
.scene--orphan{grid-template-columns:1fr;display:block}
/* "Before the Presidents" grouped by category — a readable story instead of a wall of cards */
.orphan__story{max-width:780px;margin:0 0 24px;color:var(--ink-soft);font-size:14.5px;line-height:1.65}
.catgroup{margin:0 0 22px}
.catgroup.group-hidden{display:none}   /* a category with no matching cards under a filter — hide the empty header */
.catgroup__h{font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--brass);margin:0 0 11px;display:flex;align-items:center;gap:9px}
.catgroup__h::before{content:"";flex:none;width:16px;height:1px;background:var(--brass);opacity:.55}
.catgroup__n{font-size:10.5px;color:var(--ink-mute);letter-spacing:.04em}
.sats--cat{perspective:none}
.scene__threads{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:0;transition:opacity .9s ease}
.scene.is-live .scene__threads{opacity:1}
.hub{display:flex;flex-direction:column;gap:6px;width:100%;text-align:left;cursor:pointer;background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:14px;padding:15px 16px;color:inherit;font:inherit;opacity:.55;transform:scale(.96);transition:opacity .7s ease,transform .9s cubic-bezier(.16,.7,.2,1),box-shadow .6s ease}
.scene.is-live .hub{opacity:1;transform:scale(1)}
.scene.is-focus .hub{box-shadow:0 0 0 1px var(--brass),0 0 60px -16px rgba(201,162,75,.6)}
.hub:hover .hub__open{color:var(--brass-bright);transform:translateX(2px)}
.hub__num{font-family:var(--font-d);font-size:14px;font-weight:700;color:var(--bg);background:var(--brass);width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.hub__name{font-family:var(--font-d);font-size:19px;font-weight:600;color:var(--ink);line-height:1.18}
.hub__sub{font-size:12px;color:var(--ink-mute);display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.hub__sum{font-size:12.5px;color:var(--ink-soft);line-height:1.5;margin-top:3px}
.hub__open{font-size:12px;color:var(--ink-mute);margin-top:6px;transition:color .15s,transform .15s}
/* glanceable preview: portrait + 'of note', unfurls on hover or when scrolled into focus */
.hub__preview{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--t-med) var(--ease)}
.hub:hover .hub__preview,.hub.is-open .hub__preview{grid-template-rows:1fr}
.hub__pbody{overflow:hidden;min-height:0;opacity:0;transition:opacity var(--t-med) var(--ease)}
.hub:hover .hub__pbody,.hub.is-open .hub__pbody{opacity:1;padding-top:10px}
.hub__pimg{display:block;width:100%;height:170px;object-fit:cover;border-radius:9px;border:1px solid var(--line-soft);background:var(--bg-2)}
.hub__pmeta{display:block;margin-top:8px;font-size:12px;line-height:1.45}
.hub__pera{color:var(--brass-bright)}
.hub__pfirst{display:block;color:var(--ink-mute);margin-top:2px}
@media (prefers-reduced-motion:reduce){.hub__preview,.hub__pbody{transition:none}}
.sats{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;align-content:flex-start;perspective:1100px;perspective-origin:-8% 36%}
.sat{flex:0 1 200px;max-width:232px;text-align:left;cursor:pointer;background:var(--panel-2);border:1px solid var(--line-soft);border-radius:11px;padding:11px 13px;display:flex;flex-direction:column;gap:4px;opacity:0;transform:translateX(-60px) translateZ(-240px) scale(.72)}
.scene.is-live .sat{opacity:1;transform:none;transition:opacity .8s ease,transform 1.05s cubic-bezier(.16,.7,.2,1)}
.scene.is-past .sat{opacity:.08;transform:translateZ(-160px) translateY(-24px) scale(.85)}
.sat:hover{border-color:var(--brass)}
.sat__top{display:flex;align-items:flex-start;gap:8px}
.sat__dot{width:8px;height:8px;border-radius:50%;flex:none;margin-top:5px}
.sat__name{font-family:var(--font-d);font-size:14px;font-weight:600;color:var(--ink);line-height:1.22}
.sat__meta{font-size:11px;color:var(--ink-mute);padding-left:16px;font-variant-numeric:tabular-nums}
.sat__her{display:none;font-size:10.5px;color:var(--brass-bright);padding-left:16px;margin-top:2px;line-height:1.3}
.wrap.lens-heritage .sat__her{display:block}
/* affiliation badges — documented membership in elite networks / fraternal orders */
.affils{display:flex;flex-wrap:wrap;gap:4px;margin-top:5px;padding-left:16px}
.affil{display:inline-flex;align-items:center;gap:4px;font-size:11px;line-height:1;color:var(--brass-bright);background:rgba(201,162,75,.1);border:1px solid rgba(201,162,75,.32);border-radius:999px;padding:2px 5px}
.affil__t{font-size:10.5px;letter-spacing:.02em}
.hub .affils{padding-left:0;margin-top:8px}
/* in the detail modal: full label chips, a touch larger */
.affils--full{padding-left:0;margin:10px 0 2px;gap:6px}
.affils--full .affil{font-size:12px;padding:4px 9px}
.affil--link{font:inherit;font-size:12px;cursor:pointer;transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease)}
.affil--link:hover{border-color:var(--brass);background:rgba(201,162,75,.22)}
/* documented KKK membership — shown somber (oxblood), never as an honorific gold badge */
.affil--danger{color:#d98a84;border-color:rgba(177,80,74,.5);background:rgba(177,80,74,.14)}
.affil--danger.affil--link:hover{border-color:var(--oxblood);background:rgba(177,80,74,.26)}
/* "The Office" — fielded term facts on a president card */
.office{margin:12px 0 2px;padding:12px 0;border-top:1px solid var(--line-soft)}
.office__h{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--brass);margin-bottom:8px}
.office__r{display:grid;grid-template-columns:130px 1fr;gap:10px;padding:3px 0;font-size:13px;line-height:1.45}
.office__k{color:var(--ink-mute)}
.office__v{color:var(--ink-soft)}
.office__beat{color:var(--ink-mute)}
/* Key Cabinet Figures — seat labels run long, and the name is a click-through */
.office--cab .office__r{grid-template-columns:200px 1fr}
.cabgo{background:none;border:0;padding:0;font:inherit;font-size:13px;color:var(--brass-bright);cursor:pointer;text-align:left}
.cabgo:hover{text-decoration:underline}
@media (max-width:760px){ .office--cab .office__r{grid-template-columns:1fr;gap:2px} }
@media (max-width:600px){.office__r{grid-template-columns:1fr;gap:1px;padding:5px 0}}
/* president "on the spine here" tally — reinforces the hub/spine role */
.presstat{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin:12px 0 2px;padding:10px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.presstat__h{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mute);width:100%}
.presstat__c{font-size:12.5px;color:var(--ink-soft);cursor:default;border-radius:6px;padding:1px 4px;margin:0 -4px;transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease)}
.presstat__c b{font-weight:700;margin-right:3px}
.presstat__c.lit{background:rgba(201,162,75,.14);color:var(--ink)}
/* matching connections light up when you hover a category in the tally */
.rel.statlit{background:rgba(201,162,75,.12);border-radius:8px}
.rel.statlit .rel__name{color:var(--brass-bright)}
/* The whole presidency spine as a left-edge roller: every president on a vertical thread, the open
   one in focus and the rest receding up/down (smaller, fainter). Lives in the overlay. */
.presroller{position:fixed;left:22px;top:0;bottom:0;width:240px;z-index:3;display:none;overflow:hidden;pointer-events:none}
.overlay.open .presroller.show{display:block}
.presroller__track{position:absolute;left:0;top:0;width:100%;transition:transform .5s var(--ease)}
.presroller__track::before{content:'';position:absolute;left:10px;top:0;bottom:0;width:1.5px;transform:translateX(-50%);background:linear-gradient(transparent,rgba(201,162,75,.45) 6%,rgba(201,162,75,.45) 94%,transparent)}
.presroller__item{position:relative;display:flex;align-items:center;gap:11px;height:30px;width:100%;background:none;border:0;padding:0;color:var(--ink-mute);cursor:pointer;pointer-events:auto;text-align:left;transform-origin:left center;transition:transform .45s var(--ease),opacity .45s var(--ease),color var(--t-fast) var(--ease)}
.presroller__item:hover{color:var(--ink-soft)}
.presroller__dotwrap{width:20px;display:flex;justify-content:center;flex:none}
.presroller__dot{width:10px;height:10px;border-radius:50%;border:1.5px solid currentColor;background:var(--bg);transition:all var(--t-fast) var(--ease)}
.presroller__item.is-current{color:var(--brass-bright)}
.presroller__item.is-current .presroller__dot{width:18px;height:18px;border-color:var(--brass);background:var(--brass);box-shadow:0 0 14px -1px var(--brass)}
.presroller__lbl{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:205px}
.presroller__item.is-current .presroller__lbl{font-weight:600;font-size:14px}
@media (max-width:1060px){.presroller__lbl{display:none}.presroller{width:44px}}  /* tight: dots-only spine */
@media (max-width:760px){.presroller{display:none!important}}                   /* mobile: hidden, like the home rail */
.lensfacets{margin-top:12px}
.facetlbl{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin:18px 0 8px}
#lensFacets .facetlbl:first-child{margin-top:0}   /* separate the community row from the faith row */
.facetrow{display:flex;flex-wrap:wrap;gap:7px}
.facetchip{background:var(--panel);border:1px solid var(--line);color:var(--ink-soft);font-size:12px;padding:6px 11px;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.facetchip:hover{border-color:var(--ink-mute)}
.facetchip.on{border-color:var(--brass);background:rgba(201,162,75,.16);color:var(--brass-bright)}
.facetchip .n{font-size:10.5px;color:var(--ink-mute);font-variant-numeric:tabular-nums}
.facetchip.on .n{color:var(--brass)}
.sat.hiddenflag{border-color:rgba(177,80,74,.45);background:linear-gradient(rgba(177,80,74,.13),rgba(177,80,74,.13)),var(--panel-2)}
/* gun-violence (mass shootings) + natural-disaster cards stand out, like Hidden History */
.sat.gunflag,.featcard.gunflag,.bcard.gunflag,.node.gunflag{border-color:rgba(198,40,40,.6);background:linear-gradient(rgba(198,40,40,.16),rgba(198,40,40,.16)),var(--panel-2)}
.sat.disasterflag,.featcard.disasterflag,.bcard.disasterflag,.node.disasterflag{border-color:rgba(217,131,36,.62);background:linear-gradient(rgba(217,131,36,.16),rgba(217,131,36,.16)),var(--panel-2)}
.sat.off,.sat[hidden]{display:none}
.sat.dim{opacity:.5!important;transition:opacity var(--t-med) var(--ease)}   /* filtered-out cards: only slightly dimmed, still clickable (beats .scene.is-live .sat) */
.sat.hl{border-color:var(--brass);box-shadow:0 0 0 1px var(--brass)}
.sat.webhit{border-color:var(--brass);box-shadow:0 0 0 1px rgba(201,162,75,.7)}
.sat.webfocus{border-color:var(--brass-bright);position:relative;z-index:30;box-shadow:0 0 0 2px var(--brass),0 0 22px -6px var(--brass)}
/* Hover lifts ONLY the focused card above the threads — the threads stay OVER the other grid cards
   but pass BELOW the one you're on. The grid's 3D perspective + z-index make it a stacking context that
   would trap the card, so on focus we drop that context (harmless: settled cards are flat anyway) and
   tuck the faint scene-threads behind, letting the single hovered card rise above the hover-web (z20). */
.scene--focus .sats{perspective:none;z-index:auto}
.scene--focus .scene__threads{z-index:-1}
.scene.is-live .sat.webfocus{transform:translateY(-3px) scale(1.03);box-shadow:0 0 0 2px var(--brass),0 16px 34px -10px rgba(0,0,0,.78),0 0 24px -6px var(--brass);transition:transform .16s var(--ease),box-shadow .16s var(--ease)}
.satmore,.moretoggle{align-self:flex-start;background:none;border:1px dashed var(--line);color:var(--ink-mute);font-size:12px;padding:9px 13px;border-radius:9px;cursor:pointer;transition:border-color .15s,color .15s}
.satmore:hover,.moretoggle:hover{border-color:var(--brass);color:var(--brass-bright)}
.showall{background:none;border:1px dashed var(--line);color:var(--ink-mute);font-size:12px;padding:8px 13px;border-radius:8px;cursor:pointer;margin:12px 0 0 6px}
.showall:hover{border-color:var(--brass);color:var(--brass-bright)}
.webthreads{position:fixed;inset:0;z-index:20;pointer-events:none}
.webthreads .thread-hit{pointer-events:stroke;cursor:pointer}
.webthreads .wthread{transition:opacity .12s,stroke-width .12s}
.webthreads .wthread.is-dim{opacity:.16}
.webthreads .wthread.is-active{stroke:#fff3cf;stroke-width:2.7;opacity:1;filter:drop-shadow(0 0 5px rgba(244,217,143,.85))}
.threadgo{position:fixed;z-index:58;display:none;align-items:center;gap:5px;pointer-events:auto;cursor:pointer;background:var(--panel);border:1px solid var(--brass);color:var(--ink);font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;white-space:nowrap;box-shadow:0 8px 22px rgba(0,0,0,.6);max-width:260px}
.threadgo.is-on{display:inline-flex}
.threadgo:hover{border-color:var(--brass-bright);background:var(--panel-2)}
.threadgo__chev{color:var(--brass-bright);font-size:13px}
.threadgo__name{overflow:hidden;text-overflow:ellipsis}
.threadgo__yr{color:var(--ink-mute);font-weight:500}

/* ----- page hero / masthead (standalone page) -------------------------- */
.hero{position:relative;text-align:center;padding:10vh 22px 2vh}
.hero__inner{max-width:760px;margin:0 auto}
.hero__mark{font-size:30px;color:var(--brass);filter:drop-shadow(0 0 14px rgba(201,162,75,.55));margin-bottom:14px}
.hero__title{font-family:var(--font-d);font-size:clamp(34px,6vw,64px);font-weight:700;line-height:1.04;margin:0 0 14px;color:var(--ink);text-shadow:0 2px 24px rgba(0,0,0,.5)}
.hero__tag{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--brass);margin:0 0 20px}
.hero__lead{font-size:15.5px;line-height:1.65;color:var(--ink-soft);max-width:62ch;margin:0 auto 26px}
.hero__cue{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute)}
.hero__cue span{display:inline-block;margin-left:4px;animation:herobob 1.8s ease-in-out infinite}
@keyframes herobob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* ----- left rail: jump to a presidency --------------------------------- */
.prail{position:fixed;left:8px;top:50%;transform:translateY(-50%);z-index:30;display:flex;flex-direction:column;gap:4px;max-height:86vh;overflow-y:auto;padding:6px 4px;scrollbar-width:none;transition:top var(--t-med) var(--ease)}
.prail::-webkit-scrollbar{display:none}
.pdot{position:relative;width:10px;height:10px;flex:none;border-radius:50%;border:1px solid var(--ink-faint);background:transparent;cursor:pointer;padding:0;transition:background .15s,border-color .15s,transform .15s}
.pdot:hover{border-color:var(--brass);background:rgba(201,162,75,.4)}
.pdot.on{background:var(--brass);border-color:var(--brass);transform:scale(1.45)}
.pdot__lbl{position:absolute;left:18px;top:50%;transform:translateY(-50%);white-space:nowrap;background:var(--panel);border:1px solid var(--line);color:var(--ink);font-size:11.5px;font-weight:600;padding:4px 9px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .15s;box-shadow:0 6px 16px rgba(0,0,0,.5)}
.pdot:hover .pdot__lbl{opacity:1}

/* ----- right jump nav (top / era up-down / bottom) --------------------- */
.jumpnav{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:30;display:flex;flex-direction:column;gap:8px;transition:top var(--t-med) var(--ease)}
/* when the filter bar pins to the top it adds height — recenter the side rails below it */
body.filters-stuck .prail,body.filters-stuck .jumpnav{top:calc(50% + 52px)}
/* scrim + scroll lock while the filter panel is open (explicit, intentional) */
.panelscrim{position:fixed;inset:0;z-index:32;background:rgba(6,8,12,.62);opacity:0;visibility:hidden;transition:opacity var(--t-med) var(--ease),visibility var(--t-med) var(--ease)}
body.panel-open .panelscrim{opacity:1;visibility:visible}
/* a filter/lens is applied → the more/less toggles don't make sense, hide them */
body.filtering .moretoggle{display:none}
.jumpbtn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:rgba(24,29,40,.85);backdrop-filter:blur(6px);color:var(--ink-soft);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .15s,color .15s,background .15s}
.jumpbtn:hover{border-color:var(--brass);color:var(--brass-bright);background:var(--panel-2)}

/* legend / footer note */
.foot{max-width:var(--maxw);margin:0 auto;padding:30px 22px 60px;color:var(--ink-faint);font-size:12px;border-top:1px solid var(--line-soft)}
.foot b{color:var(--ink-mute)}

/* ----- responsive -------------------------------------------------------- */
@media (max-width:760px){
  /* keep the header a single short row so it doesn't overhang & cover the pinned filter bar */
  .topbar__inner{flex-wrap:nowrap;gap:10px;padding:9px 14px}
  .brand{margin-right:0;flex:0 1 auto;min-width:0}
  .brand b{font-size:14px;line-height:1.12}
  .brand small{display:none}
  .search{min-width:0;flex:1 1 auto;max-width:none}
  .scene{grid-template-columns:1fr;gap:14px;padding:4vh 4px}
  .sats{flex-direction:column}
  .sat{flex:1 1 auto;max-width:none;transform:translateY(18px) scale(.98)}
  .scene.is-live .sat{transform:none}
  .scene__threads,.webthreads{display:none}
  .sheet__body{grid-template-columns:1fr}
  .sheet__rail{border-left:none;border-top:1px solid var(--line-soft)}
  .toolbar{padding-top:10px}
  .prail{display:none}
  .jumpnav{right:8px;gap:6px}
  .jumpbtn{width:34px;height:34px}
  .hero{padding:7vh 18px 2vh}
  /* panel must stay within the screen and scroll, so Done is always reachable */
  .reveal--panel.open{background:var(--bg-2)}
  .reveal--panel.open>.reveal__inner{max-height:78vh;overflow-y:auto}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal--panel{transition:none}
  .sheet.enter{transition:none}
  .sat{opacity:1!important;transform:none!important}
  .hub{opacity:1!important;transform:none!important}
  .sat:hover,.hub:hover{transform:none}
}

/* ===== TOUCH PASS ===============================================================
   On touch there is no hover, so the hover-driven thread web is noise it can never
   catch — the connections rail (a list) is the mobile thread UI. Target touch
   CAPABILITY, not width: an iPad Pro is still a touch device at 1024px. */
@media (hover: none) and (pointer: coarse) {
  .scene__threads, .webthreads { display: none !important; }
  .ctrl--threads { display: none !important; }              /* the toggle is inert without hover */
  .chip { min-height: 42px; padding-top: 9px; padding-bottom: 9px; }
  .railchip { min-height: 40px; padding: 9px 14px; }
  .facetchip { min-height: 40px; padding: 10px 14px; }
  .jumpbtn { width: 44px; height: 44px; }
}
/* width fallback: portrait tablets (768-820px) that don't report touch flags */
@media (max-width: 820px) {
  .scene__threads, .webthreads { display: none; }
  .ctrl--threads { display: none; }
}
/* tablet-portrait reading: the detail sheet's connections rail stacks below the main column */
@media (max-width: 900px) {
  .sheet__body { grid-template-columns: 1fr; }
  .sheet__rail { border-left: none; border-top: 1px solid var(--line-soft); }
}

/* ===== TOUCH: bottom-sheet detail (Maps-style peek/half/full) =================
   Keyed to body.bs-mode — the JS adds it only on touch (or the force-bs debug
   class), so desktop is untouched. The timeline stays live + scrollable behind. */
body.bs-mode .overlay{display:block;padding:0;pointer-events:none}
body.bs-mode .overlay__scrim{display:none}
body.bs-mode .presroller{display:none !important}
body.bs-mode .sheet{
  pointer-events:auto;position:fixed;left:0;right:0;bottom:0;top:auto;margin:0;
  width:100%;max-width:none;height:92dvh;max-height:92dvh;
  border-radius:16px 16px 0 0;box-shadow:0 -18px 48px rgba(0,0,0,.6);
  display:flex;flex-direction:column;transform:translateY(42%);
}
body.bs-mode .sheet.bs-anim{transition:transform .32s var(--ease-out)}
body.bs-mode .sheet__body{display:block;flex:1;min-height:0;overflow:auto;-webkit-overflow-scrolling:touch}
body.bs-mode .sheet__main{overflow:visible;min-height:0}
body.bs-mode .sheet__rail{overflow:visible;border-left:none;border-top:1px solid var(--line-soft)}
.sheet__grab{display:none}
body.bs-mode .sheet__grab{display:flex;justify-content:center;align-items:center;flex:none;padding:10px 0 7px;cursor:grab;touch-action:none}
body.bs-mode .sheet__grab i{width:44px;height:5px;border-radius:3px;background:var(--line);display:block}
body.bs-mode .sheet__grab:active{cursor:grabbing}

/* ===== TOUCH: collapsible sheet sections (Wikipedia-style) ====================
   .mcol is added by JS on touch only; the first child is the section header. */
.mcol > :first-child{position:relative;cursor:pointer;padding-right:22px}
.mcol > :first-child::after{content:'▾';position:absolute;right:4px;top:50%;transform:translateY(-50%);color:var(--ink-mute);font-size:12px}
.mcol.mcol-closed > :first-child::after{content:'▸'}
.mcol.mcol-closed > :not(:first-child){display:none}

/* ===== TOUCH: the hub's glanceable preview is a hover/scroll luxury — on touch it
   expands+collapses UNDER YOUR FINGER as paint() moves is-open between hubs, which
   reads as jarring layout jumps. The bottom sheet is the detail surface on touch. */
@media (hover: none) and (pointer: coarse) {
  .hub__preview { display: none; }
}
@media (max-width: 820px) {
  .hub__preview { display: none; }
}