/* Dark, gridded, cyan-accented -- the visual language of the Technocore /
 * Flop material this protocol is built to plug into.
 *
 * Deliberately no logo and no borrowed wordmark. Looking like it belongs in
 * that world is fine; passing for somebody else's product is not,
 * and a page about provenance would be a poor place to blur that line.
 *
 * Dark only, on purpose. A security surface that changes colour with the
 * operating system also changes which warnings look urgent. */

:root {
  color-scheme: dark;

  --bg: #05080c;
  --panel: #0a0f16;
  --raise: #0d141d;
  --line: #16202c;
  --line-soft: #101821;

  --ink: #ffffff;
  --body: #b9c2cf;
  --dim: #788393;   /* 5.2:1 on the page, 4.8:1 on the lightest panel */
  --ghost: #1a2531;

  --accent: #3fa9e0;
  --accent-dim: #22536f;

  --allow: #46c4a0;
  --deny: #e06a6a;
  --caution: #d9a441;

  --grid: rgba(63, 169, 224, 0.045);
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0 auto;
  padding: 0 2rem 5rem;
  max-width: 68rem;
  color: var(--body);
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px 44px);
  font: 15px/1.6 ui-sans-serif, "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------- header */

header { padding: 3rem 0 1.5rem; }

header::before {
  content: "LINEAGEAUTH.PROTOCOL";
  display: block;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin-bottom: 1.6rem;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 1rem;
  font-weight: 700;
}

.standing {
  color: var(--body);
  font-size: 0.95rem;
  max-width: 46rem;
  margin: 0;
}

/* ------------------------------------------------------------------- nav */

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
  margin: 2rem 0 2.2rem;
}

nav button {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--dim);
  cursor: pointer;
  transition: color 120ms, border-color 120ms;
}

nav button:hover { color: var(--body); border-color: var(--accent-dim); }

nav button.on {
  color: var(--accent);
  border-color: var(--accent);
}

/* --------------------------------------------------------------- screens */

.screen { position: relative; padding-left: 6.5rem; min-height: 20rem; }

/* The ghost numerals from the Flop layout: an outlined figure sitting in the
 * left margin, present enough to structure the page and quiet enough that
 * nothing competes with the content. */
.screen::before {
  counter-increment: none;
  content: attr(data-index);
  position: absolute;
  left: 0;
  top: -0.35rem;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--ghost);
  letter-spacing: -0.04em;
  pointer-events: none;
  user-select: none;
}

h2 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 0.35rem;
}

.slug {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0 1rem;
}

h3 {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 1.4rem 0 0.55rem;
}

.hint {
  color: var(--dim);
  font-size: 0.86rem;
  max-width: 46rem;
  margin: 0 0 1.6rem;
}

/* ---------------------------------------------------------------- inputs */

form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line-soft);
}

label {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

input[type="text"],
textarea {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.82rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
  color: var(--ink);
  min-width: 24rem;
  flex: 1 1 24rem;
}

input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* The placeholder is the only instruction the field gives -- it says what shape
   an event id has. At 2.16:1 it was decoration. */
input::placeholder { color: var(--dim); }

form button {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 2px;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}

form button:hover { background: rgba(63, 169, 224, 0.09); }

/* ----------------------------------------------------------------- cards */

.card {
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
  padding: 1rem 1.15rem;
  margin-bottom: 0.75rem;
}

.card .card { background: var(--raise); margin-top: 0.85rem; }
.card > h3:first-child { margin-top: 0; }

.rows { list-style: none; padding: 0; margin: 0 0 1.4rem; }

.rows li {
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent-dim);
  border-radius: 2px;
  background: var(--panel);
  padding: 0.6rem 0.85rem;
  margin-bottom: 0.4rem;
}

.rows li button {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.8rem;
  border: 0;
  background: none;
  color: var(--body);
  padding: 0;
  cursor: pointer;
  text-align: left;
  word-break: break-all;
}

.rows li button:hover { color: var(--accent); }

/* -------------------------------------------------------------- key/value */

dl {
  display: grid;
  grid-template-columns: minmax(8.5rem, max-content) 1fr;
  gap: 0.3rem 1.4rem;
  margin: 0.55rem 0 0;
}

dt {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  padding-top: 0.12rem;
}

/* The dash markers from the Flop list layout. */
dd {
  margin: 0;
  font-size: 0.86rem;
  color: var(--body);
  word-break: break-word;
  position: relative;
  padding-left: 1rem;
}

dd::before {
  content: "\2014";
  position: absolute;
  left: 0;
  color: var(--accent-dim);
}

code, .mono {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.8rem;
  color: var(--body);
  word-break: break-all;
}

pre {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.76rem;
  line-height: 1.55;
  color: var(--body);
  background: #060a0f;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  padding: 0.85rem;
  overflow-x: auto;
  margin: 0.5rem 0 0;
}

/* ---------------------------------------------------------------- status */

.status {
  display: inline-block;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.22rem 0.6rem;
  border-radius: 2px;
  border: 1px solid currentColor;
  margin-bottom: 0.3rem;
}

.status.allow { color: var(--allow); }
.status.deny { color: var(--deny); }
.status.caution { color: var(--caution); }

.note, .warn {
  font-size: 0.82rem;
  line-height: 1.6;
  border-left: 2px solid var(--line);
  padding-left: 0.9rem;
  margin: 0.9rem 0 0;
  color: var(--dim);
}

.warn {
  color: var(--caution);
  border-left-color: var(--caution);
}

#offline code {
  display: block;
  margin-top: 0.4rem;
  color: var(--accent);
}

/* ---------------------------------------------------------------- notice */

/* The first thing anybody reads, so it has to be readable. An earlier version
 * said all of this correctly and said it as one dense paragraph, which is a way
 * of not saying it: a caveat nobody finishes is a caveat that did not land. */

.notice {
  border: 1px solid var(--caution);
  border-left-width: 3px;
  border-radius: 2px;
  background: rgba(217, 164, 65, 0.04);
  padding: 0.85rem 1.1rem;
  margin: 0 0 2rem;
  max-width: 52rem;
}

.notice-lead {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--caution);
  margin: 0 0 0.6rem;
}

.notice-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.notice-facts li {
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--body);
  padding-left: 1rem;
  position: relative;
}

.notice-facts li::before {
  content: "4";
  position: absolute;
  left: 0;
  color: var(--caution);
}

.notice-facts b { color: var(--ink); font-weight: 600; }
.notice-facts code { color: var(--accent); }

/* ---------------------------------------------------------------- footer */

footer {
  border-top: 1px solid var(--line);
  margin-top: 3.5rem;
  padding-top: 1.2rem;
}

footer p {
  color: var(--dim);
  font-size: 0.78rem;
  line-height: 1.65;
  max-width: 54rem;
  margin: 0;
}

/* The one thing this page asks a stranger for, so it is set to be read.
   `footer p` is deliberately dim -- 2.4:1 against the page, which is fine for a
   note that is there to be available rather than consumed. Putting the ask in
   that colour would have been the same mistake as burying it: technically
   present, effectively absent. This is the body token, 11:1, at a size that
   does not read as fine print. */
footer .ask {
  color: var(--body);
  font-size: 0.85rem;
  border-left: 3px solid var(--accent);
  padding-left: 0.9rem;
  margin-bottom: 1.1rem;
}

footer .ask a { color: var(--accent); }

@media (max-width: 720px) {
  body { padding: 0 1.1rem 4rem; }
  .screen { padding-left: 0; }
  .screen::before { position: static; display: block; margin-bottom: 0.4rem; font-size: 2.4rem; }
  dl { grid-template-columns: 1fr; gap: 0.1rem; }
  dt { margin-top: 0.5rem; }
}