/* Origenality — Explorer, direction C
   Cream field, particle clusters, one dark call to action.
   Tokens, fonts and masthead live in base.css.
   Romain Girardi, 2026. */

html,body{height:100%}
body{overflow:hidden}

.field{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(118% 92% at 50% 46%, var(--ground-lift) 0%, var(--ground) 52%, var(--ground-deep) 100%);}
.field::after{content:"";position:absolute;inset:0;opacity:.42;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='280' height='280'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' seed='11'/><feColorMatrix values='0 0 0 0 0.48  0 0 0 0 0.40  0 0 0 0 0.26  0 0 0 0.13 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");}

canvas#field-c{position:fixed;inset:0;z-index:1;display:block;cursor:grab;touch-action:none}
canvas#field-c.grabbing{cursor:grabbing}

/* ------------------------------------------------------------------ the ask */
.ask{
  position:fixed;z-index:4;top:96px;left:50%;transform:translateX(-50%);
  width:min(94vw,640px);display:flex;flex-direction:column;align-items:center;gap:.85rem;
}
body.panel-open .ask{ transform:translateX(calc(-50% - 218px)); }
@media (max-width:760px){ body.panel-open .ask{ transform:none } }
.ask{ transition:transform .5s var(--ease); }
.ask-field{
  width:100%;display:flex;align-items:center;gap:.75rem;
  background:var(--ground-lift);border:1px solid var(--rule);border-radius:999px;
  padding:.05rem .55rem .05rem 1.25rem;
  box-shadow:0 1px 2px rgba(35,32,27,.04),0 10px 30px -18px rgba(35,32,27,.35);
  transition:border-color .2s,box-shadow .25s;
}
.ask-field:focus-within{border-color:rgba(160,54,32,.55);box-shadow:0 1px 2px rgba(35,32,27,.05),0 14px 34px -18px rgba(35,32,27,.4)}
.ask-field input{
  flex:1;min-width:0;border:0;background:none;outline:0;
  font-family:var(--text);font-size:1.02rem;color:var(--ink);padding:1rem 0;
}
.ask-field input::placeholder{color:rgba(90,83,70,.94)}
.ask-field .clear{
  border:0;background:none;cursor:pointer;color:var(--ink-2);font-size:1.1rem;line-height:1;
  padding:.45rem .5rem;border-radius:999px;display:none;
}
.ask-field .clear:hover{color:var(--accent)}
.ask-field.filled .clear{display:block}
.go{
  border:0;cursor:pointer;background:var(--dark);color:#F4EFE2;
  font-family:var(--text);font-size:.92rem;font-weight:500;letter-spacing:.005em;
  padding:.72rem 1.5rem;border-radius:999px;margin:.28rem .1rem .28rem 0;
  transition:background .2s,transform .2s var(--ease);
}
.go:hover{background:#38312a;transform:translateY(-1px)}
.ask-alt{
  display:flex;align-items:center;gap:1rem;font-size:.86rem;color:var(--ink-2);
}
.linkish{
  border:0;background:none;cursor:pointer;font-family:var(--text);font-size:.86rem;color:var(--ink-2);
  padding:.2rem 0;border-bottom:1px solid rgba(90,83,70,.35);transition:color .18s,border-color .18s;
}
.linkish:hover{color:var(--accent);border-color:var(--accent)}

/* ------------------------------------------------------------------ wizard */
.wiz{
  width:100%;background:var(--ground-lift);border:1px solid var(--rule);border-radius:18px;
  padding:1.35rem 1.5rem 1.15rem;box-shadow:0 18px 44px -26px rgba(35,32,27,.5);
  display:none;
}
.wiz.open{display:block;animation:drop .34s var(--ease) both}
@keyframes drop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.wiz-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:.35rem}
.wiz-q{font-family:var(--serif);font-size:1.32rem;font-weight:500;line-height:1.2;margin:0}
.wiz-step{font-size:.76rem;color:var(--stone);white-space:nowrap;letter-spacing:.02em}
.wiz-note{margin:0 0 .8rem;font-size:.78rem;color:var(--stone)}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;max-height:10.6rem;overflow-y:auto;
  scrollbar-width:thin}
.chips::-webkit-scrollbar{width:6px}
.chips::-webkit-scrollbar-thumb{background:rgba(35,32,27,.18);border-radius:6px}
.chips-none{max-height:none;overflow:visible;margin-top:.5rem}
.chip{
  cursor:pointer;font-family:var(--text);font-size:.83rem;color:var(--ink);
  background:rgba(255,255,255,.42);border:1px solid var(--rule);border-radius:999px;
  padding:.4rem .82rem;display:inline-flex;align-items:baseline;gap:.42rem;
  transition:background .18s,border-color .18s,transform .18s var(--ease);
}
.chip:hover{transform:translateY(-1px);background:#fff}
.chip .n{font-size:.75rem;color:var(--stone);font-variant-numeric:tabular-nums}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#F6F1E4}
.chip[aria-pressed="true"] .n{color:rgba(246,241,228,.82)}
.chip.none{background:none;border-style:dashed;color:var(--ink-2)}
.chip.none[aria-pressed="true"]{background:none;border-style:solid;border-color:rgba(35,32,27,.3);color:var(--ink)}
.wiz-foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1.1rem;
  padding-top:.85rem;border-top:1px solid var(--rule-soft)}
.dots{display:flex;gap:.34rem}
.dots i{width:6px;height:6px;border-radius:50%;background:rgba(35,32,27,.18);display:block;transition:background .25s}
.dots i.on{background:var(--accent)}
.wiz-nav{display:flex;align-items:center;gap:.7rem}
.btn-quiet{
  border:1px solid var(--rule);background:rgba(255,255,255,.4);cursor:pointer;border-radius:999px;
  font-family:var(--text);font-size:.85rem;color:var(--ink);padding:.44rem 1rem;transition:background .18s}
.btn-quiet:hover{background:#fff}
.btn-quiet[disabled]{opacity:.45;cursor:default}

/* ------------------------------------------------------------------ legend, grouping, controls */
.legend{ display:flex;flex-wrap:wrap;gap:.38rem; }
.legend .lg{
  cursor:pointer;font-family:var(--text);font-size:.78rem;color:var(--ink);
  background:rgba(247,242,230,.82);border:1px solid var(--rule-soft);border-radius:999px;
  padding:.3rem .68rem;display:inline-flex;align-items:center;gap:.42rem;
  transition:opacity .2s,background .2s,transform .18s var(--ease);
}
.legend .lg:hover{transform:translateY(-1px);background:var(--ground-lift)}
.legend .lg.off{opacity:.42;text-decoration:line-through}
.legend .lg i{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.legend .lg .n{color:var(--stone);font-size:.73rem;font-variant-numeric:tabular-nums}
.legend-wrap{
  position:fixed;z-index:4;left:clamp(1rem,3vw,2.2rem);bottom:clamp(1rem,3vh,1.9rem);
  max-width:min(54vw,560px);
}
.legend-note{
  margin:0 0 .45rem;font-size:.75rem;color:var(--ink-2);
  background:rgba(247,242,230,.86);border-radius:999px;padding:.16rem .6rem;display:inline-block;
}
/* the reservoirs, folded: named, counted, drawn on the map only on request */
.held{display:flex;align-items:center;flex-wrap:wrap;gap:.34rem;margin:.45rem 0 0}
.held .lbl{font-size:.73rem;color:var(--ink-2);background:rgba(247,242,230,.86);
  border-radius:999px;padding:.16rem .55rem}
.held-chips{display:flex;flex-wrap:wrap;gap:.34rem}
.held-chip{
  cursor:pointer;font-family:var(--text);font-size:.75rem;color:var(--ink-2);
  background:rgba(247,242,230,.82);border:1px dashed var(--rule);border-radius:999px;
  padding:.26rem .62rem;display:inline-flex;align-items:baseline;gap:.4rem;
  transition:background .18s,color .18s,border-color .18s,transform .18s var(--ease);
}
.held-chip:hover{transform:translateY(-1px);background:var(--ground-lift);color:var(--ink)}
.held-chip[aria-pressed="true"]{border-style:solid;border-color:rgba(35,32,27,.32);color:var(--ink);
  background:var(--ground-lift)}
.held-chip .n{font-size:.72rem;color:var(--stone);font-variant-numeric:tabular-nums}
.held-note{font-size:.72rem;color:var(--stone);background:rgba(247,242,230,.8);
  border-radius:999px;padding:.16rem .55rem}

.grouping{display:flex;align-items:center;gap:.42rem;margin:0 0 .5rem}
.grouping .lbl{font-size:.75rem;color:var(--ink-2);background:rgba(247,242,230,.86);
  border-radius:999px;padding:.16rem .55rem}
.seg{display:inline-flex;background:rgba(247,242,230,.9);border:1px solid var(--rule);border-radius:999px;padding:2px}
.seg button{
  cursor:pointer;border:0;background:none;border-radius:999px;
  font-family:var(--text);font-size:.78rem;color:var(--ink-2);padding:.26rem .8rem;
  transition:background .2s,color .2s}
.seg button[aria-pressed="true"]{background:var(--dark);color:#F4EFE2}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]:hover{color:#F4EFE2}

.controls{
  position:fixed;z-index:4;right:clamp(1rem,3vw,2.2rem);bottom:clamp(1rem,3vh,1.9rem);
  display:flex;flex-direction:column;align-items:flex-end;gap:.5rem;text-align:right;
}
.controls .hint{font-size:.74rem;color:var(--ink-2);background:rgba(247,242,230,.86);border-radius:999px;padding:.16rem .6rem;margin:0}
.controls .row{display:flex;gap:.4rem}

/* ------------------------------------------------------------------ hover card */
.peek{
  position:fixed;z-index:6;pointer-events:none;opacity:0;transform:translateY(5px);
  background:var(--ground-lift);border:1px solid var(--rule);border-radius:12px;
  padding:.7rem .85rem;width:262px;box-shadow:0 16px 36px -22px rgba(35,32,27,.55);
  transition:opacity .16s,transform .2s var(--ease);
}
.peek.on{opacity:1;transform:none}
.peek h4{font-family:var(--serif);font-size:1.06rem;font-weight:500;margin:0 0 .12rem;line-height:1.2}
.peek .alt{font-size:.72rem;color:var(--stone);margin:0 0 .35rem;line-height:1.35}
.peek .cnt{font-size:.78rem;color:var(--ink-2);margin:0 0 .5rem;font-variant-numeric:tabular-nums}
.peek .cnt .extra{display:block;color:var(--stone);font-size:.72rem;margin-top:.1rem}
.peek .mix{display:flex;height:5px;border-radius:3px;overflow:hidden;background:rgba(35,32,27,.07)}
.peek .mix span{display:block;height:100%}
.peek .mixlbl{font-size:.72rem;color:var(--stone);margin:.36rem 0 0;line-height:1.4}

/* ------------------------------------------------------------------ result panel */
.panel{
  position:fixed;top:0;right:0;height:100%;width:min(96vw,436px);z-index:7;
  background:var(--ground-lift);border-left:1px solid var(--rule);
  box-shadow:-30px 0 64px -40px rgba(35,32,27,.55);
  transform:translateX(101%);
  /* a closed panel is out of the page, not merely off the screen: hidden after
     the slide, so no control inside it can be reached by the keyboard */
  visibility:hidden;
  transition:transform .5s var(--ease),visibility 0s linear .5s;
  display:flex;flex-direction:column;
}
.panel.open{transform:none;visibility:visible;transition:transform .5s var(--ease),visibility 0s}
@media (prefers-reduced-motion:reduce){.panel{transition-delay:0s!important}}
.panel:focus{outline:none}
.panel:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;border-radius:0}
/* the map takes the keyboard: a frame set inside the field, not the pill-shaped
   ring the small controls wear — on a full-screen canvas that ring reads as a
   stray arc across the page */
#field-c:focus{outline:none}
#field-c:focus-visible{outline:2px solid var(--accent);outline-offset:-10px;border-radius:14px}
.panel-top{padding:1.5rem clamp(1.2rem,2.4vw,1.9rem) 0;position:relative;flex:0 0 auto}
.panel-body{padding:0 clamp(1.2rem,2.4vw,1.9rem) 2.5rem;overflow-y:auto;flex:1 1 auto}
.panel-body::-webkit-scrollbar{width:8px}
.panel-body::-webkit-scrollbar-thumb{background:rgba(35,32,27,.16);border-radius:8px}
#panel-close{
  position:absolute;top:1rem;right:1rem;width:32px;height:32px;border:0;background:none;cursor:pointer;
  color:var(--ink-2);font-size:1.15rem;line-height:1;border-radius:999px;transition:color .18s,background .18s}
#panel-close:hover{color:var(--accent);background:rgba(35,32,27,.05)}
.panel .subject{font-size:.78rem;color:var(--stone);margin:0 2.2rem .3rem 0;letter-spacing:.02em}
.panel .density{font-family:var(--serif);font-size:2.35rem;font-weight:500;line-height:1.05;margin:0 0 .1rem;
  font-variant-numeric:tabular-nums}
.panel .density small{font-family:var(--text);font-size:.95rem;font-weight:400;color:var(--ink-2);display:block;
  margin-top:.25rem;line-height:1.35}
.panel .alt{margin:.55rem 0 0;font-size:.8rem;color:var(--stone);line-height:1.5}
.panel .zones{margin:1rem 0 0;font-size:.85rem;color:var(--ink-2);line-height:1.6}
.panel .zones p{margin:0 0 .35rem}
.panel .zones b{font-weight:600;color:var(--ink)}
.panel .zones .z{
  cursor:pointer;border:0;background:none;font-family:var(--text);font-size:.85rem;color:var(--accent);
  padding:0;border-bottom:1px solid rgba(160,54,32,.32)}
.panel .zones .z:hover{border-color:var(--accent)}
.panel .sep{height:1px;background:var(--rule);margin:1.3rem 0 0}
.panel .listhead{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;
  padding:1.1rem 0 .6rem;font-size:.78rem;color:var(--stone)}
.rec{padding:.85rem 0;border-top:1px solid var(--rule-soft)}
.rec:first-of-type{border-top:0}
.rec h5{font-family:var(--serif);font-size:1.08rem;font-weight:500;line-height:1.28;margin:0 0 .28rem}
.rec .meta{font-size:.8rem;color:var(--ink-2);line-height:1.5;margin:0}
.rec .meta .dot{color:var(--stone);padding:0 .3em}
.rec .lang{display:inline-flex;align-items:center;gap:.32rem}
.rec .lang i{width:7px;height:7px;border-radius:50%;display:inline-block}
.rec .tags{margin:.3rem 0 0;font-size:.77rem;color:var(--stone);line-height:1.45}
.rec .flag{color:var(--accent)}
.rec .weight{margin:.3rem 0 0;font-size:.76rem;color:var(--stone);display:flex;align-items:center;gap:.4rem}
.rec .weight .tier{border-radius:50%;background:var(--stone);flex:0 0 auto;display:inline-block}
.rec .weight .tier.t0{width:5px;height:5px}
.rec .weight .tier.t1{width:6.5px;height:6.5px}
.rec .weight .tier.t2{width:8px;height:8px}
.rec .weight .tier.t3{width:10px;height:10px}
.rec .weight .tier.t4{width:12px;height:12px}
/* the summary: set narrower and quieter than the title, folded when long,
   and always followed by the database that wrote it */
.rec .abstract{margin:.55rem 0 0;padding-left:.7rem;border-left:2px solid var(--rule-soft)}
.rec .abstract-text{margin:0;font-size:.83rem;line-height:1.55;color:var(--ink-2)}
.rec .abstract-text.folded{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;
  line-clamp:4;overflow:hidden}
.rec .abstract-more{margin:.25rem 0 0;padding:0;border:0;background:none;cursor:pointer;
  font-family:var(--text);font-size:.76rem;color:var(--accent);
  border-bottom:1px solid rgba(160,54,32,.32)}
.rec .abstract-more:hover{border-color:var(--accent)}
.rec .abstract-credit{margin:.28rem 0 0;font-size:.72rem;color:var(--stone);letter-spacing:.01em}
.rec .abstract-credit a{color:var(--stone);text-decoration:none;border-bottom:1px solid var(--rule)}
.rec .abstract-credit a:hover{color:var(--accent);border-color:var(--accent)}
.rec .links{margin-top:.4rem;display:flex;flex-wrap:wrap;gap:.75rem;font-size:.79rem}
.rec .links a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(160,54,32,.3)}
.rec .links a:hover{border-color:var(--accent)}
.rec .links .isbn{color:var(--stone);font-variant-numeric:tabular-nums}
.more{margin:1rem 0 0}
.empty{font-size:.9rem;color:var(--ink-2);line-height:1.6;margin:1.2rem 0 0}
.empty .mk{color:var(--accent);display:inline-block;vertical-align:-2px;margin-right:.15em}

/* ------------------------------------------------------------------ mobile */
@media (max-width:760px){
  .ask{top:70px;width:calc(100vw - 1.6rem);gap:.7rem}
  .ask-field{padding-left:1rem}
  .ask-field input{font-size:1rem;padding:.85rem 0}
  .go{padding:.62rem 1.15rem;font-size:.88rem}
  .ask-alt{font-size:.82rem;text-align:center}
  .wiz{padding:1.1rem 1rem .95rem;border-radius:16px}
  .wiz-q{font-size:1.15rem}
  .wiz-head{flex-direction:column;align-items:flex-start;gap:.2rem}
  .chips{max-height:7.6rem}
  .chips-none{max-height:none}
  .chip{font-size:.8rem;padding:.36rem .7rem}
  .legend-wrap{max-width:calc(100vw - 1.6rem);left:.8rem;bottom:.8rem}
  .legend{gap:.3rem}
  .legend .lg{font-size:.72rem;padding:.26rem .55rem}
  .legend .lg .n{display:none}
  .legend-note{font-size:.7rem;padding:.14rem .5rem}
  .legend-note .wide{display:none}
  .held{gap:.28rem;margin-top:.34rem}
  .held .lbl{font-size:.68rem;padding:.14rem .5rem}
  .held-chip{font-size:.7rem;padding:.22rem .52rem}
  /* the narrow screen keeps the field: the rule is said in the four questions,
     in every panel it opens and on the Observatory, and the map needs the room */
  .held-note{display:none}
  .grouping .lbl{font-size:.7rem}
  .seg button{font-size:.72rem;padding:.24rem .62rem}
  /* the controls sit clear of the legend block, whatever height it takes: the
     script measures it and writes --legend-h, and the fallback holds if it does
     not run */
  .controls{right:.8rem;bottom:calc(.8rem + var(--legend-h,8.6rem) + .5rem);align-items:flex-end}
  .controls .hint{display:block;font-size:.72rem}
  .peek{display:none}
  .panel{width:100%;height:auto;max-height:86vh;top:auto;bottom:0;left:0;right:0;
    border-left:0;border-top:1px solid var(--rule);border-radius:18px 18px 0 0;
    transform:translateY(102%);box-shadow:0 -24px 56px -34px rgba(35,32,27,.5)}
  .panel.open{transform:none}
  .panel-body{padding-bottom:calc(2rem + env(safe-area-inset-bottom))}
  .panel .density{font-size:2rem}
}