/* Duas Idades — Vitrine Fable nº9
   Dois enxames à deriva: cronológica vs biológica.
   Paleta molecular, fundo profundo, tipografia orgânica (Fraunces) + mono (IBM Plex). */

:root{
  --bg0:#05070d;
  --bg1:#0a0e18;
  --ink:#eef2fb;
  --muted:#9aa6bf;
  --muted-2:#6d7893;
  --line:rgba(150,168,205,.16);
  --glass:rgba(14,19,31,.62);
  --glass-brd:rgba(150,168,205,.15);

  --chrono:#9fb2d6;     /* aço/relógio, imóvel */
  --chrono-dim:#5c6f9c;
  --bio:#35e0b0;        /* dinâmica: recalculada em JS */
  --accent:#35e0b0;     /* segue o delta, escrita por JS */

  --good:#35e0b0;
  --neutral:#7ea6ff;
  --bad:#ff5d6c;

  --r:16px;
  --maxrail:392px;
}

*{box-sizing:border-box}
html,body{margin:0;overflow-x:hidden}
html{background:var(--bg0);-webkit-text-size-adjust:100%}
body{
  min-height:100dvh;
  color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1200px 700px at 32% 8%, #10182b 0%, rgba(16,24,43,0) 62%),
    radial-gradient(900px 900px at 88% 96%, #0c1220 0%, rgba(12,18,32,0) 60%),
    var(--bg0);
}

/* Skip link */
.skip{
  position:absolute;left:12px;top:-60px;z-index:60;
  background:var(--ink);color:#06121a;padding:10px 14px;border-radius:10px;
  font-weight:600;text-decoration:none;transition:top .16s ease;
}
.skip:focus{top:12px;outline:3px solid var(--accent);outline-offset:2px}

/* ---------- Layout ---------- */
.app{display:flex;flex-direction:column;min-height:100dvh}

.stage-col{
  display:flex;flex-direction:column;
  padding:clamp(16px,3.4vw,34px);
  gap:clamp(8px,1.4vw,14px);
}

.stage-wrap{
  position:relative;
  flex:1 1 auto;
  min-height:40vh;
  border-radius:18px;
  overflow:hidden;
  background:
    radial-gradient(120% 100% at 50% 42%, rgba(20,28,48,.4), rgba(6,9,15,0) 70%);
  box-shadow:inset 0 0 0 1px rgba(150,168,205,.07);
}
#stage{position:absolute;inset:0;width:100%;height:100%;display:block}

/* Hero */
.hero{max-width:min(620px,94%)}
.eyebrow{
  margin:0 0 10px;font-family:"IBM Plex Mono",monospace;
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
}
.eyebrow .ord{font-feature-settings:"sups";vertical-align:super;font-size:.72em}
h1{
  margin:0;font-family:"Fraunces",Georgia,serif;
  font-weight:500;font-optical-sizing:auto;
  font-size:clamp(40px,7.4vw,88px);line-height:.96;letter-spacing:-.015em;
  color:#fff;
  text-shadow:0 2px 40px rgba(5,7,13,.6);
}
.dek{
  margin:16px 0 0;max-width:44ch;
  font-size:clamp(14px,1.5vw,17px);color:var(--muted);line-height:1.5;
  text-shadow:0 1px 20px rgba(5,7,13,.7);
}
.dek em{font-style:normal;color:var(--ink)}

/* Readout */
.readout{
  display:flex;gap:clamp(8px,1.4vw,18px);
  flex-wrap:nowrap;
}
.rd{
  flex:1 1 0;min-width:0;
  display:flex;flex-direction:column;gap:2px;
  padding:14px 16px;border-radius:14px;
  background:linear-gradient(180deg, rgba(12,17,29,.5), rgba(8,12,20,.66));
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);
}
.rd-tag{
  font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted-2);
}
.rd-num{
  font-family:"IBM Plex Mono",monospace;font-weight:600;
  font-size:clamp(30px,4.6vw,52px);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.rd-unit{font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.25}
.rd-chrono .rd-num{color:var(--chrono)}
.rd-bio .rd-num{color:var(--accent);transition:color .5s ease}
.rd-gap{
  align-items:center;text-align:center;
  border-color:color-mix(in srgb, var(--accent) 34%, transparent);
  background:
    radial-gradient(120% 120% at 50% 0%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 70%),
    linear-gradient(180deg, rgba(12,17,29,.5), rgba(8,12,20,.66));
}
.rd-gap .rd-num{color:var(--accent);transition:color .5s ease}
.rd-gap .rd-tag{color:color-mix(in srgb, var(--accent) 70%, var(--muted))}

.live{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Insight clínico: a maior alavanca do momento */
.lever{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin:0;font-size:13px;
  padding:9px 15px;border-radius:12px;
  background:rgba(150,168,205,.05);border:1px solid var(--glass-brd);
}
.lever-k{
  font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted-2);
}
.lever-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);flex:0 0 auto;box-shadow:0 0 8px var(--accent)}
.lever-v{color:var(--ink);font-weight:500}
.lever-v b{font-weight:600}
.lever[data-kind="harm"] .lever-v b{color:var(--bad)}
.lever[data-kind="good"] .lever-v b{color:var(--good)}

/* ---------- Rail (controles) ---------- */
.rail{
  flex:0 0 auto;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(9,13,22,.86), rgba(6,9,15,.96));
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.rail-inner{
  padding:clamp(16px,3.2vw,26px);
  display:flex;flex-direction:column;gap:18px;
  max-width:1180px;margin:0 auto;
}

/* Anchor */
.anchor-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.anchor label{font-weight:600;font-size:14.5px}
.anchor-val{
  font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:20px;
  color:var(--chrono);font-variant-numeric:tabular-nums;
}
.anchor-note{margin:9px 0 0;font-size:12px;color:var(--muted);line-height:1.45}
.anchor-note strong{color:var(--ink);font-weight:600}

/* Ranges */
.range{
  -webkit-appearance:none;appearance:none;width:100%;height:26px;
  background:transparent;cursor:pointer;margin:0;
}
.range:focus{outline:none}
.range::-webkit-slider-runnable-track{
  height:6px;border-radius:6px;
  background:linear-gradient(90deg, var(--trk, var(--accent)) 0 var(--fill,50%), rgba(150,168,205,.16) var(--fill,50%) 100%);
}
.range::-moz-range-track{height:6px;border-radius:6px;background:rgba(150,168,205,.16)}
.range::-moz-range-progress{height:6px;border-radius:6px;background:var(--trk,var(--accent))}
.range::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:18px;height:18px;border-radius:50%;margin-top:-6px;
  background:#eef2fb;border:2px solid var(--trk,var(--accent));
  box-shadow:0 0 0 4px rgba(5,7,13,.5), 0 2px 10px rgba(0,0,0,.5);
}
.range::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;border:2px solid var(--trk,var(--accent));
  background:#eef2fb;box-shadow:0 0 0 4px rgba(5,7,13,.5);
}
.range-age{--trk:var(--chrono)}
.range:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px rgba(5,7,13,.5), 0 0 0 6px var(--trk,var(--accent))}
.range:focus-visible::-moz-range-thumb{box-shadow:0 0 0 4px var(--trk,var(--accent))}

/* Sliders grid */
.sliders{display:grid;grid-template-columns:1fr 1fr;gap:14px 22px}
.slider{display:flex;flex-direction:column;gap:5px}
.slider-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.slider-name{display:flex;align-items:center;gap:8px;font-weight:600;font-size:13.5px}
.slider-name .ic{width:16px;height:16px;flex:0 0 auto;color:var(--muted);opacity:.9}
.slider-state{
  font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--muted);
  text-align:right;transition:color .3s ease;min-width:74px;
}
.slider-scale{display:flex;justify-content:space-between;font-size:10px;color:var(--muted-2)}

/* Presets */
.presets{display:flex;flex-direction:column;gap:9px}
.presets-tag{
  font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted-2);
}
.preset-row{display:flex;flex-wrap:wrap;gap:8px}
.preset{
  font:inherit;font-size:12.5px;font-weight:500;
  color:var(--ink);background:rgba(150,168,205,.07);
  border:1px solid var(--glass-brd);border-radius:999px;
  padding:8px 14px;cursor:pointer;transition:all .18s ease;
}
.preset:hover{background:rgba(150,168,205,.14);border-color:rgba(150,168,205,.32)}
.preset[aria-current="true"]{
  background:color-mix(in srgb, var(--accent) 18%, transparent);
  border-color:color-mix(in srgb, var(--accent) 55%, transparent);
  color:#fff;
}
.preset:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Disclaimer + footer */
.disclaimer{
  margin:2px 0 0;font-size:11.5px;line-height:1.5;color:var(--muted);
  padding:12px 14px;border-radius:12px;
  background:rgba(255,93,108,.05);border:1px solid rgba(255,93,108,.16);
}
.disclaimer strong{color:#ffb3ba}
.disclaimer em{font-style:italic;color:var(--ink)}
.foot{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}
.foot a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--glass-brd);padding-bottom:1px}
.foot a:hover{border-color:var(--accent)}
.foot a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.motion-toggle{
  margin-left:auto;font:inherit;font-size:12px;color:var(--muted);
  background:transparent;border:1px solid var(--glass-brd);border-radius:999px;
  padding:6px 12px;cursor:pointer;
}
.motion-toggle:hover{color:var(--ink);border-color:rgba(150,168,205,.32)}
.motion-toggle[aria-pressed="true"]{color:var(--ink);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent)}
.motion-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- Desktop: duas colunas ---------- */
@media (min-width:900px){
  .app{flex-direction:row;height:100dvh;overflow:hidden}
  .stage-col{flex:1 1 auto;height:100dvh;min-width:0}
  .stage-wrap{min-height:0;flex:1 1 auto}
  .rail{
    flex:0 0 var(--maxrail);width:var(--maxrail);height:100dvh;
    border-top:none;border-left:1px solid var(--line);
    overflow-y:auto;overscroll-behavior:contain;
  }
  .rail-inner{max-width:none}
}

@media (min-width:1500px){
  :root{--maxrail:440px}
}

/* ---------- Mobile ---------- */
@media (max-width:640px){
  .sliders{grid-template-columns:1fr 1fr;gap:13px 18px}
  .readout{gap:7px}
  .rd{padding:10px 9px}
  .rd-num{font-size:clamp(26px,8vw,34px)}
  .stage-wrap{min-height:38vh}
  .hero{max-width:100%}
  .dek{max-width:100%;margin-top:10px}
}
@media (max-width:430px){
  .stage-col{padding:16px 14px}
  .rd{padding:9px 7px}
  .rd-tag{font-size:9.5px;letter-spacing:.1em}
  .rd-unit{font-size:10px}
  .rd-num{font-size:clamp(24px,7.6vw,32px)}
}
@media (max-width:360px){
  .sliders{grid-template-columns:1fr}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .skip{transition:none}
}