/* ==========================================================================
   Onde a internet mora — tokens, layout, componentes
   Direção: dark technical (fundo #1a1a1f, acento ciano #00b4d8), tipografia
   de alto impacto (Inter Tight) + dados em mono (JetBrains Mono).
   ========================================================================== */

:root {
  /* cor */
  --bg:        #111114;
  --bg-2:      #1a1a1f;
  --panel:     rgba(22, 22, 27, .78);
  --panel-solid: #16161b;
  --line:      rgba(255, 255, 255, .09);
  --line-2:    rgba(255, 255, 255, .16);
  --ink:       #f2f3f5;
  --ink-2:     rgba(242, 243, 245, .62);
  --ink-3:     rgba(242, 243, 245, .38);
  --accent:    #00b4d8;
  --accent-2:  #48cae4;
  --warn:      #ff4d6d;
  --hl:        #ffd166;

  /* tipo */
  --display: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  /* escala modular (1.25) */
  --t-xs: .6875rem;   /* 11 */
  --t-sm: .8125rem;   /* 13 */
  --t-md: .9375rem;   /* 15 */
  --t-lg: 1.25rem;
  --t-xl: 1.75rem;

  /* grade */
  --gutter: clamp(1rem, 2.2vw, 2.25rem);
  --radius: 14px;
  --shadow: 0 24px 60px -32px rgba(0, 0, 0, .9);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--t-md);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

body::before {                 /* halo radial atrás do grafo */
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% 44%, rgba(0, 180, 216, .10), transparent 62%),
    radial-gradient(90% 60% at 78% 8%, rgba(179, 136, 255, .06), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* véus que garantem contraste do texto sobre o grafo */
.scrim {
  position: fixed; inset: 0; z-index: 3; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(17,17,20,.94) 0%, rgba(17,17,20,.70) 18%, rgba(17,17,20,0) 42%),
    linear-gradient(0deg,   rgba(17,17,20,.95) 0%, rgba(17,17,20,.70) 16%, rgba(17,17,20,0) 38%),
    linear-gradient(90deg,  rgba(17,17,20,.92) 0%, rgba(17,17,20,.62) 22%, rgba(17,17,20,0) 46%);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 15;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 2;
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.sr {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
kbd {
  font-family: var(--mono);
  font-size: .9em;
  padding: .1em .35em;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  color: var(--ink-2);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── cabeçalho ─────────────────────────────────────────────────────────── */
.head {
  position: fixed;
  top: var(--gutter);
  left: var(--gutter);
  width: min(30rem, 40vw);
  z-index: 4;
  pointer-events: none;
  animation: rise .9s var(--ease) both;
}
.head a, .head button { pointer-events: auto; }

.eyebrow {
  margin: 0 0 .75rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: flex; align-items: center; gap: .5rem;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(0, 180, 216, .55);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(0, 180, 216, .5); }
  70%  { box-shadow: 0 0 0 9px rgba(0, 180, 216, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 180, 216, 0); }
}

.display {
  margin: 0;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6.1vw, 6.4rem);
  line-height: .9;
  letter-spacing: -.042em;
  text-wrap: balance;
}

.lede {
  margin: 1.15rem 0 0;
  max-width: 46ch;
  font-size: var(--t-sm);
  line-height: 1.62;
  color: var(--ink-2);
}
.lede b { color: var(--ink); font-weight: 500; text-shadow: 0 1px 12px rgba(0, 0, 0, .8); }

/* faixa de números do rodapé */
.strip {
  list-style: none;
  margin: 0;
  padding: 0 0 .6rem;
  display: flex; flex-wrap: wrap; gap: .3rem 1.6rem;
  border-bottom: 1px solid var(--line);
}
.strip li { display: flex; align-items: baseline; gap: .42rem; }
.strip .v {
  font-family: var(--mono);
  font-size: .95rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.strip .k {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ── trilho de camadas ────────────────────────────────────────────────── */
.rail {
  position: fixed;
  left: var(--gutter);
  bottom: 9.4rem;
  width: min(19rem, 30vw);
  z-index: 5;
  animation: rise 1s var(--ease) .1s both;
}
.rail-head {
  display: flex; align-items: baseline; justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: .4rem;
}
.rail-head h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: var(--t-xs);
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.ghost {
  background: none; border: 0; cursor: pointer;
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-3);
  transition: color .2s var(--ease);
}
.ghost:hover { color: var(--accent); }

#rail-list { list-style: none; margin: 0; padding: 0; }
#rail-list button {
  width: 100%;
  display: grid;
  grid-template-columns: 1.4rem 1fr auto;
  align-items: center;
  gap: .6rem;
  padding: .34rem .1rem;
  background: none; border: 0; cursor: pointer;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, .04);
  position: relative;
  transition: background .18s var(--ease);
}
#rail-list button:hover { background: rgba(255, 255, 255, .035); }
#rail-list .idx {
  font-family: var(--mono);
  font-size: var(--t-xs);
  color: var(--ink-3);
}
#rail-list .name {
  font-size: var(--t-sm);
  color: var(--ink-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#rail-list .n {
  font-family: var(--mono);
  font-size: var(--t-xs);
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
#rail-list .bar {
  position: absolute;
  left: 0; bottom: -1px;
  height: 1px;
  background: var(--accent);
  opacity: 0;
  transition: opacity .25s var(--ease);
}
#rail-list button[aria-pressed="true"] .name,
#rail-list button[aria-pressed="true"] .idx { color: var(--accent); }
#rail-list button[aria-pressed="true"] .bar { opacity: 1; }

.status {
  margin: .55rem 0 0;
  font-family: var(--mono);
  font-size: var(--t-xs);
  color: var(--ink-3);
  letter-spacing: .04em;
}

/* ── busca ────────────────────────────────────────────────────────────── */
.search {
  position: fixed;
  top: var(--gutter);
  right: var(--gutter);
  width: min(22rem, 30vw);
  z-index: 5;
  animation: rise .9s var(--ease) .05s both;
}
.search input {
  width: 100%;
  padding: .62rem 2.1rem .62rem .8rem;
  background: rgba(255, 255, 255, .045);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: var(--t-sm);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.search input::placeholder { color: var(--ink-3); }
.search input:focus {
  border-color: var(--accent);
  background: rgba(0, 180, 216, .07);
}
.search > kbd {
  position: absolute; top: 50%; right: .6rem;
  transform: translateY(-50%);
  pointer-events: none;
}

.results {
  list-style: none;
  margin: .4rem 0 0;
  padding: .3rem;
  max-height: 19rem;
  overflow: auto;
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.results li button {
  width: 100%;
  display: flex; align-items: baseline; gap: .55rem;
  padding: .38rem .5rem;
  background: none; border: 0; border-radius: 7px;
  color: var(--ink-2);
  font-family: var(--mono); font-size: var(--t-sm);
  text-align: left; cursor: pointer;
}
.results li button:hover, .results li button[data-active="true"] {
  background: rgba(0, 180, 216, .14);
  color: var(--ink);
}
.results .k {
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-3);
  flex: 0 0 auto;
}
.results .t {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  flex: 1 1 auto;
}

/* ── painel do nó ─────────────────────────────────────────────────────── */
.panel {
  position: fixed;
  top: 4.4rem;
  right: var(--gutter);
  width: min(23rem, 32vw);
  max-height: calc(100vh - 10rem);
  overflow: auto;
  z-index: 6;
  background: var(--panel);
  backdrop-filter: blur(22px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.05rem 1.15rem;
  animation: slide .42s var(--ease) both;
}
.panel::-webkit-scrollbar { width: 8px; }
.panel::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, .13); border-radius: 8px;
}
.panel .badge {
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-2);
}
.panel .badge i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px currentColor;
}
.panel h3 {
  margin: .5rem 0 .1rem;
  font-family: var(--display);
  font-size: 1.42rem;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.12;
  word-break: break-word;
}
.panel .sub {
  font-family: var(--mono); font-size: var(--t-xs);
  color: var(--ink-3); letter-spacing: .04em;
}
.panel dl {
  margin: 1rem 0 0;
  display: grid; grid-template-columns: auto 1fr;
  gap: .22rem .8rem;
  font-size: var(--t-sm);
  border-top: 1px solid var(--line);
  padding-top: .85rem;
}
.panel dt {
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); white-space: nowrap;
}
.panel dd {
  margin: 0;
  font-family: var(--mono);
  font-size: var(--t-sm);
  color: var(--ink);
  word-break: break-word;
}
.panel h4 {
  margin: 1.15rem 0 .5rem;
  font-family: var(--mono); font-size: var(--t-xs);
  font-weight: 400; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3);
}
.chips { display: flex; flex-wrap: wrap; gap: .3rem; }
.chip {
  font-family: var(--mono); font-size: var(--t-xs);
  padding: .24rem .45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .03);
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.chip:hover { border-color: var(--accent); color: var(--accent-2); }
.chip .t { color: var(--ink-3); }

.panel .actions { margin-top: 1.1rem; display: flex; gap: .5rem; }
.btn {
  flex: 1 1 auto;
  padding: .5rem .6rem;
  border-radius: 9px;
  border: 1px solid var(--accent);
  background: rgba(0, 180, 216, .12);
  color: var(--accent-2);
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: .1em; text-transform: uppercase;
  cursor: pointer; text-align: center; text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.btn:hover { background: rgba(0, 180, 216, .24); color: #fff; }
.btn.ghost { border-color: var(--line-2); background: none; color: var(--ink-2); }
.btn.ghost:hover { border-color: var(--ink-2); color: var(--ink); }

.path { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem; }
.path .sep { color: var(--ink-3); font-size: var(--t-xs); }

/* ── rodapé: legenda + controles ──────────────────────────────────────── */
.foot {
  position: fixed;
  left: var(--gutter); right: var(--gutter); bottom: var(--gutter);
  z-index: 6;
  display: flex; flex-direction: column; gap: .7rem;
  animation: rise 1s var(--ease) .16s both;
}
.foot > * { pointer-events: none; }
.foot button, .foot li { pointer-events: auto; }

.foot-main {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem;
}

.legend {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: .28rem 1.05rem;
  max-width: 44vw;
}
.legend li {
  display: flex; align-items: center; gap: .4rem;
  font-family: var(--mono); font-size: var(--t-xs);
  color: var(--ink-3); letter-spacing: .04em;
  cursor: pointer;
  transition: color .18s var(--ease);
}
.legend li:hover { color: var(--ink); }
.legend li[aria-pressed="true"] { color: var(--ink); }
.legend i {
  width: 7px; height: 7px; border-radius: 50%;
  flex: 0 0 auto;
}
.legend .n { color: var(--ink-3); }

.controls {
  display: flex; flex-direction: column; align-items: flex-end; gap: .45rem;
}
.toggles { display: flex; gap: .32rem; }
.toggles button {
  font-family: var(--mono); font-size: var(--t-xs);
  letter-spacing: .1em; text-transform: uppercase;
  padding: .3rem .52rem;
  color: var(--ink-3);
  background: rgba(255, 255, 255, .035);
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.toggles button:hover { color: var(--ink-2); border-color: var(--line-2); }
.toggles button.on {
  color: var(--accent-2);
  border-color: rgba(0, 180, 216, .5);
  background: rgba(0, 180, 216, .1);
}

.hint {
  margin: 0;
  max-width: 34rem;
  font-size: var(--t-xs);
  color: var(--ink-3);
  text-align: right;
}

/* ── links do rodapé ──────────────────────────────────────────────────── */
.foot-links {
  margin: 0;
  display: flex; align-items: center; gap: .45rem;
  font-family: var(--mono); font-size: var(--t-xs);
  color: var(--ink-3);
  letter-spacing: .02em;
}
.foot-links .link { pointer-events: auto; }

.link {
  appearance: none;
  margin: 0; padding: 0;
  background: none; border: 0;
  font: inherit; color: var(--ink-2);
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.link:hover { color: var(--accent-2); border-bottom-color: rgba(0, 180, 216, .55); }
.link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

/* ── sobre o experimento (modal) ──────────────────────────────────────── */
.about {
  position: fixed; inset: 0; z-index: 20;
  display: grid; place-items: center;
  padding: clamp(.75rem, 3vw, 2.5rem);
}
.about[hidden] { display: none; }

.about-bg {
  position: absolute; inset: 0;
  background: rgba(8, 8, 10, .78);
  backdrop-filter: blur(9px) saturate(.85);
  -webkit-backdrop-filter: blur(9px) saturate(.85);
  animation: fade .28s var(--ease) both;
}

.about-card {
  position: relative;
  width: min(52rem, 100%);
  max-height: min(86vh, 62rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(1.4rem, 3vw, 2.6rem) clamp(1.15rem, 3vw, 3rem) clamp(1.5rem, 3vw, 2.4rem);
  background:
    linear-gradient(180deg, rgba(26, 26, 31, .96), rgba(17, 17, 20, .97));
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow), 0 0 0 1px rgba(0, 180, 216, .12) inset;
  animation: rise .34s var(--ease) both;
}
.about-card::-webkit-scrollbar { width: 9px; }
.about-card::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, .14); border-radius: 9px;
}
.about-card::-webkit-scrollbar-track { background: transparent; }

.about-x {
  position: sticky; top: 0; float: right;
  margin: -.4rem -.4rem 0 1rem;
  width: 2rem; height: 2rem;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 1.05rem; line-height: 1;
  color: var(--ink-2);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: all .18s var(--ease);
}
.about-x:hover { color: var(--ink); border-color: var(--line-2); background: rgba(0, 180, 216, .16); }

.about-card .eyebrow { margin-bottom: .7rem; }
.about-card h2 {
  margin: 0 0 .7rem;
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  font-weight: 600; letter-spacing: -.03em; line-height: 1.02;
}
.about-card h3 {
  margin: 2.2rem 0 .55rem;
  font-family: var(--mono); font-size: var(--t-xs); font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3);
}
.about-card h3::before {
  content: ""; display: inline-block; width: 14px; height: 1px;
  margin-right: .55rem; vertical-align: middle;
  background: var(--accent); opacity: .8;
}
.about-card p {
  margin: 0 0 .85rem;
  max-width: 62ch;
  color: var(--ink-2);
  line-height: 1.62;
}
.about-card p b { color: var(--ink); font-weight: 600; }
.about-card p em, .about-card p i { color: var(--ink); font-style: italic; }

.standfirst {
  margin: 0 0 1.6rem !important;
  max-width: 58ch !important;
  font-size: 1.06rem;
  color: var(--ink) !important;
  line-height: 1.5 !important;
}

.about-figs {
  list-style: none; margin: 1.5rem 0 .6rem; padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  display: grid; gap: .85rem 1rem;
  grid-template-columns: repeat(auto-fit, minmax(6.1rem, 1fr));
}
.about-figs li { display: flex; flex-direction: column; gap: .15rem; }
.about-figs b {
  font-family: var(--mono); font-size: 1.24rem; font-weight: 500;
  color: var(--accent-2); letter-spacing: -.02em;
}
.about-figs span {
  font-family: var(--mono); font-size: var(--t-xs);
  color: var(--ink-3); letter-spacing: .05em;
}

.about-foot {
  margin-top: 2.3rem; padding-top: 1.3rem;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; align-items: center; gap: .7rem;
}
.about-foot .credit {
  flex: 1 1 100%;
  margin: .35rem 0 0;
  font-size: var(--t-xs); color: var(--ink-3);
  line-height: 1.5;
}
.about-foot .credit b { color: var(--ink-2); font-weight: 500; }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ── tooltip ──────────────────────────────────────────────────────────── */
.tip {
  position: fixed;
  z-index: 8;
  pointer-events: none;
  padding: .42rem .6rem;
  background: var(--panel-solid);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: var(--t-xs);
  line-height: 1.45;
  color: var(--ink);
  box-shadow: var(--shadow);
  max-width: 20rem;
}
.tip .k { color: var(--ink-3); }

/* ── boot ─────────────────────────────────────────────────────────────── */
.boot {
  position: fixed; inset: 0; z-index: 20;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity .6s var(--ease), visibility .6s;
}
.boot span {
  font-size: var(--t-xs);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.boot.gone { opacity: 0; visibility: hidden; }
.noscript {
  position: fixed; inset: 0; display: grid; place-items: center;
  z-index: 30; background: var(--bg); color: var(--ink-2); text-align: center;
}

/* ── rótulos dos nós hublabel ─────────────────────────────────────────── */
.node-label {
  position: fixed;
  z-index: 2;
  pointer-events: none;
  display: flex; align-items: center; gap: .34rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .02em;
  color: rgba(242, 243, 245, .8);
  text-shadow: 0 1px 8px rgba(0, 0, 0, .95), 0 0 2px rgba(0, 0, 0, .9);
  transform: translate(-50%, -50%);
  white-space: nowrap;
  transition: color .2s var(--ease);
}
.node-label i {
  width: 5px; height: 5px; border-radius: 50%; flex: 0 0 auto;
  box-shadow: 0 0 8px currentColor;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}
@keyframes slide {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: none; }
}

/* ── responsivo ───────────────────────────────────────────────────────── */
@media (max-height: 860px) and (min-width: 901px) {
  .lede { display: none; }
  .display { font-size: clamp(2.3rem, 4.7vw, 4.2rem); }
  .rail { bottom: 8.1rem; }
  #rail-list button { padding: .15rem .1rem; }
  .strip { gap: .28rem 1.1rem; padding-bottom: .45rem; }
}

@media (max-width: 1100px) {
  .head { width: min(26rem, 52vw); }
  .legend { max-width: 36vw; }
}

@media (max-width: 900px) {
  .head {
    top: 4.9rem;
    width: calc(100% - 2 * var(--gutter));
    max-width: none;
  }
  .display { font-size: clamp(2.2rem, 10.5vw, 3.4rem); }
  .lede { display: none; }
  .search {
    width: auto; top: var(--gutter); bottom: auto;
    left: var(--gutter); right: var(--gutter);
  }
  .panel {
    top: 5.8rem; bottom: auto; left: var(--gutter); right: var(--gutter);
    width: auto; max-height: 50vh;
  }
  .rail {
    left: 0; right: 0; bottom: 12.6rem;
    width: auto; padding: 0 var(--gutter);
  }
  .rail-head, .status { display: none; }
  #rail-list {
    display: flex; gap: .3rem; overflow-x: auto; padding-bottom: .3rem;
    scrollbar-width: none;
  }
  #rail-list::-webkit-scrollbar { display: none; }
  #rail-list li { flex: 0 0 auto; }
  #rail-list button {
    grid-template-columns: auto auto;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: .3rem .6rem;
    white-space: nowrap;
  }
  #rail-list .name { font-size: var(--t-xs); }
  #rail-list .bar { display: none; }
  .strip { gap: .25rem .85rem; padding-bottom: .45rem; }
  .strip li:nth-child(n+4) { display: none; }
  .foot-main { flex-direction: column; align-items: flex-start; gap: .55rem; }
  .legend { max-width: 100%; }
  .controls { align-items: flex-start; }
  .hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}