/* The plain front page of epicquest.bio (index.html, door.js), 2026-11-06: one narrow monospace column, the sign-up
 * form first, a few technical lines, one static schematic. Same colors as front.css (the /flashy page): fluorescence
 * channels on black. No animation, no transitions. */
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono.woff2") format("woff2"); font-weight: 100 800;
  font-display: swap; }

:root {
  --void: #04060c;
  --bone: #eef1f8;
  --soft: rgba(226, 232, 246, .86);
  --dim: rgba(205, 214, 236, .62);
  --faint: rgba(190, 205, 255, .13);
  --line: rgba(190, 205, 255, .2);
  --cy: #5ef0ff;
  --vi: #a98bff;
  --mg: #ff4fb0;
  --am: #ffb84d;
  --gold: #ffd89a;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --lab: 132px;  /* the label column, on wide screens */
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--void); }
body { margin: 0; background: var(--void); color: var(--soft); font: 400 14px/1.55 var(--mono); }
a { color: var(--cy); text-underline-offset: 3px; text-decoration-color: rgba(94, 240, 255, .4); }
a:hover { text-decoration-color: var(--cy); }
::selection { background: rgba(94, 240, 255, .3); color: #fff; }
:focus-visible { outline: 1px solid var(--cy); outline-offset: 2px; }

.col { max-width: 640px; margin: 0 auto;
  padding: max(10px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom)); }

/* ---------------------------------------------------------------- top line */
.top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 4px 0 8px;
  border-bottom: 1px solid var(--line); font-size: 13px; }
.mark { color: var(--bone); text-decoration: none; font-weight: 700; }
.dot { display: inline-block; width: 9px; height: 9px; margin-right: 8px; border-radius: 50%; vertical-align: 0;
  border: 1.5px solid var(--cy); background: var(--am); }
.top #signin { color: var(--soft); }

/* ---------------------------------------------------------------- headline */
h1 { margin: 14px 0 4px; font: 700 22px/1.2 var(--mono); color: var(--bone); letter-spacing: -.01em; }
.lede { margin: 0 0 12px; color: var(--soft); }

/* ---------------------------------------------------------------- the sign-up box */
.box { position: relative; border: 1px solid var(--line); border-left: 2px solid var(--cy); padding: 10px 12px 12px;
  background: rgba(94, 240, 255, .025); }
.tag { margin: 0 0 8px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.tag::before { content: "> "; color: var(--cy); }
.box h2 { margin: 0 0 6px; font: 700 18px/1.25 var(--mono); color: var(--bone); }
.box p { margin: 0 0 8px; }
.box b { color: var(--bone); font-weight: 700; overflow-wrap: anywhere; }

.f { display: block; margin: 0 0 9px; padding: 0; border: 0; min-width: 0; }
.f > span, .f legend > span { display: block; margin-bottom: 3px; font-size: 12px; color: var(--dim); }
.f legend { padding: 0; }
.f i { font-style: normal; color: rgba(205, 214, 236, .42); }
.f input { display: block; width: 100%; font: 400 16px/1.25 var(--mono); color: var(--bone); padding: 8px 9px;
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line); border-radius: 0; outline: none;
  -webkit-appearance: none; appearance: none; }
.f input::placeholder { color: rgba(205, 214, 236, .36); }
.f input:hover { border-color: rgba(190, 205, 255, .34); }
.f input:focus { border-color: var(--cy); background: rgba(94, 240, 255, .05); }
.f input.word { font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.f input.word::placeholder { font-weight: 400; letter-spacing: 0; text-transform: none; }
.door.has input { color: var(--gold); border-style: dashed; border-color: rgba(255, 184, 77, .7);
  background: rgba(255, 184, 77, .06); }

.chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 5px; }
.chip { font: 400 13px/1 var(--mono); color: var(--soft); background: transparent; cursor: pointer;
  border: 1px solid var(--line); border-radius: 0; padding: 7px 9px; min-height: 32px; }
.chip:hover { border-color: var(--cy); color: var(--bone); }
.chip[aria-checked="true"] { background: var(--cy); border-color: var(--cy); color: #031016; font-weight: 700; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.go { display: block; width: 100%; margin: 12px 0 0; padding: 11px 12px; min-height: 46px; cursor: pointer;
  font: 700 16px/1.2 var(--mono); color: #031016; background: var(--cy); border: 1px solid var(--cy); border-radius: 0;
  text-align: left; }
.go:hover { background: #8ff5ff; }
.go[disabled] { cursor: progress; opacity: .7; }
.err { margin: 8px 0 0; font-size: 13px; color: var(--mg); }
.err:empty { margin: 0; }
.fine { margin: 9px 0 0; font-size: 12px; line-height: 1.5; color: var(--dim); }
.box .fine b { color: var(--soft); }
.row { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; }
.ghost { font: 400 13px/1 var(--mono); color: var(--soft); background: transparent; cursor: pointer;
  border: 1px solid var(--line); border-radius: 0; padding: 9px 11px; min-height: 38px; }
.ghost:hover { border-color: var(--cy); color: var(--bone); }
.ghost[disabled] { opacity: .45; cursor: default; }
.note { font-size: 12px; color: var(--dim); }
.note:empty { display: none; }
.state[hidden] { display: none; }

/* labels to the left of the inputs, where there's room */
@media (min-width: 560px) {
  .f { display: grid; grid-template-columns: var(--lab) minmax(0, 1fr); column-gap: 10px; align-items: baseline; }
  .f > span { margin: 0; }
  .f > span i, .f legend i { display: block; }
  .reach { display: block; }
  .reach legend { float: left; width: var(--lab); margin-right: 10px; }
  .reach .in { overflow: hidden; }
  .go { width: auto; margin-left: calc(var(--lab) + 10px); padding: 11px 18px; }
  .box > form > .err, .box > form > .fine { margin-left: calc(var(--lab) + 10px); }
}

/* ---------------------------------------------------------------- the facts */
.facts { display: grid; grid-template-columns: 5.5em minmax(0, 1fr); gap: 6px 10px; margin: 18px 0 0; padding: 14px 0 0;
  border-top: 1px solid var(--line); font-size: 13.5px; }
.facts dt { color: var(--dim); }
.facts dt::after { content: ":"; }
.facts dd { margin: 0; color: var(--soft); }
.facts dd:nth-of-type(4) { color: var(--gold); }

/* ---------------------------------------------------------------- fig. 1 */
.fig { margin: 18px 0 0; padding: 12px 0 0; border-top: 1px solid var(--line); }
.fig svg { display: block; width: 100%; max-width: 460px; height: auto; }
.fig figcaption { margin-top: 6px; font-size: 12px; color: var(--dim); }
.fig .lab { font: 400 10px var(--mono); fill: var(--dim); }
.fig .lab.note { fill: var(--am); }
.fig .lab.ionl { fill: var(--cy); }
.fig .mem { fill: rgba(169, 139, 255, .16); stroke: var(--vi); stroke-width: 1; }
.fig .pore { stroke: var(--cy); stroke-width: 2; }
.fig .strand { fill: none; stroke: var(--am); stroke-width: 1.5; }
.fig .base { fill: var(--void); stroke: var(--am); stroke-width: 1.5; }
.fig .ion { stroke: var(--cy); stroke-width: 1; stroke-dasharray: 3 3; }
.fig .ionhead { fill: var(--cy); }
.fig .ax { stroke: var(--dim); stroke-width: 1; }
.fig .trace { fill: none; stroke: var(--cy); stroke-width: 1.5; }

/* ---------------------------------------------------------------- footer */
.foot { margin-top: 18px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 12px; color: var(--dim); }
.foot p { margin: 0 0 4px; }
.foot a { color: var(--dim); }
.foot a:hover { color: var(--bone); }