/* COSMIC HARDWARE — site stylesheet.
   The channel's locked identity, carried to the web: absolute black ground,
   liquid platinum, one aquamarine accent per view, JetBrains Mono throughout.
   Committed single-theme on purpose — the black IS the brand, so every colour
   is painted explicitly and nothing is inherited from the host. */

:root {
  --black:  #040404;
  --plat:   #E8E8EC;
  --silver: #B9BEC6;
  --accent: #5FE3D0;
  --alarm:  #E25C5C;

  --dim-90: rgba(185,190,198,.9);
  --dim-72: rgba(185,190,198,.72);
  --dim-55: rgba(185,190,198,.55);
  --dim-42: rgba(185,190,198,.42);
  --hair:   rgba(185,190,198,.12);
  --rule:   rgba(185,190,198,.22);

  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  background: var(--black);
  color: var(--silver);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* ── instrument substrate ────────────────────────────────────────────── */
.grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .05;
  background-image:
    linear-gradient(var(--dim-90) 1px, transparent 1px),
    linear-gradient(90deg, var(--dim-90) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ── navigation ──────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(4,4,4,.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hair);
}
.nav-in {
  max-width: var(--wrap); margin: 0 auto;
  padding-block: 16px; padding-left: 20px; padding-right: 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.mark {
  font-size: 12px; font-weight: 800; letter-spacing: .3em;
  color: var(--plat); text-decoration: none; white-space: nowrap;
}
.nav-links { display: flex; gap: 22px; flex-wrap: wrap; }
.nav-links a {
  font-size: 11px; letter-spacing: .2em; color: var(--dim-72);
  text-decoration: none; transition: color .18s ease;
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--accent); outline: none; }
.nav-links a[aria-current="page"] { color: var(--plat); }

/* ── layout ──────────────────────────────────────────────────────────── */
.page {
  position: relative; z-index: 1;
  max-width: var(--wrap); margin: 0 auto;
  padding-block: 56px 80px; padding-left: 20px; padding-right: 20px;
}
section + section { margin-top: 72px; }

/* ── type ────────────────────────────────────────────────────────────── */
h1 {
  font-size: clamp(30px, 7vw, 52px); line-height: 1.05; letter-spacing: .08em;
  font-weight: 800; color: var(--plat); margin: 0; text-wrap: balance;
}
h2 {
  font-size: clamp(19px, 3.6vw, 25px); line-height: 1.2; letter-spacing: .1em;
  font-weight: 800; color: var(--plat); margin: 0 0 8px; text-wrap: balance;
}
h3 {
  font-size: 14px; letter-spacing: .16em; font-weight: 800;
  color: var(--plat); margin: 0 0 6px;
}
p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }
a { color: var(--accent); }

.eyebrow {
  font-size: 10px; letter-spacing: .4em; color: var(--dim-72); margin: 0 0 26px;
}
.label {
  font-size: 10px; letter-spacing: .32em; color: var(--dim-55); margin: 0 0 22px;
}
.sub { font-size: 12px; letter-spacing: .38em; color: var(--dim-90); margin: 14px 0 0; }
.lede { font-size: 15px; line-height: 1.8; color: var(--dim-90); }
.small { font-size: 12px; color: var(--dim-55); }
.accent { color: var(--accent); }

hr.rule { border: none; border-top: 1px solid var(--rule); margin: 0; }

/* ── the equation block ──────────────────────────────────────────────── */
.eq {
  display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap;
  padding-block: 26px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.eq-n { font-size: clamp(28px, 6.5vw, 44px); font-weight: 800; color: var(--plat); letter-spacing: .04em; }
.eq-w { font-size: 10px; letter-spacing: .34em; color: var(--dim-55); }

/* ── tables ──────────────────────────────────────────────────────────── */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
caption {
  caption-side: top; text-align: left; font-size: 10px; letter-spacing: .3em;
  color: var(--dim-55); padding-bottom: 14px;
}
td, th { padding-block: 13px; border-bottom: 1px solid var(--hair); vertical-align: baseline; text-align: left; }
tr:last-child td { border-bottom: none; }
th { font-size: 9.5px; letter-spacing: .26em; color: var(--dim-55); font-weight: 400; padding-bottom: 10px; }
.c-dim  { font-size: 12px; color: var(--dim-72); white-space: nowrap; }
.c-name { font-size: 13px; font-weight: 800; color: var(--plat); letter-spacing: .14em; padding-left: 16px; }
.c-num  { text-align: right; font-size: 18px; font-weight: 800; color: var(--plat); }
.c-pow  { text-align: right; font-size: 11px; color: var(--dim-55); width: 50px; }
tr:last-child .c-num { color: var(--accent); }

/* ── episode rows ────────────────────────────────────────────────────── */
.ep {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px;
  padding-block: 26px; border-bottom: 1px solid var(--hair); align-items: start;
}
.ep:last-of-type { border-bottom: none; }
.ep-n { font-size: 12px; color: var(--dim-42); font-variant-numeric: tabular-nums; padding-top: 2px; }
.ep-body > p { margin-bottom: 12px; }
.ep-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin-top: 12px; }

.tag {
  font-size: 9.5px; letter-spacing: .2em; padding: 4px 9px;
  border: 1px solid var(--hair); color: var(--dim-72); border-radius: 2px;
}
.tag.live { border-color: rgba(95,227,208,.45); color: var(--accent); }
.tag.number  { border-color: rgba(232,232,236,.28); color: var(--dim-90); }
.tag.attack  { border-color: rgba(226,92,92,.4);  color: #E9827F; }
.tag.correct { border-color: rgba(185,190,198,.3); color: var(--dim-72); }

.watch { font-size: 11px; letter-spacing: .14em; color: var(--accent); text-decoration: none; }
.watch:hover, .watch:focus-visible { text-decoration: underline; outline: none; }

/* ── glossary ────────────────────────────────────────────────────────── */
.gloss { display: grid; gap: 0; }
.gloss-row {
  display: grid; grid-template-columns: 190px 1fr; gap: 20px;
  padding-block: 18px; border-bottom: 1px solid var(--hair); align-items: baseline;
}
.gloss-row:last-child { border-bottom: none; }
.gloss-t { font-size: 13px; font-weight: 800; color: var(--plat); letter-spacing: .12em; }
.gloss-p { font-size: 11px; color: var(--dim-42); margin: 4px 0 0; letter-spacing: .1em; }
.gloss-d { font-size: 13px; line-height: 1.7; color: var(--dim-90); margin: 0; }

/* ── page previews ───────────────────────────────────────────────────── */
.strip {
  display: grid; grid-auto-flow: column; grid-auto-columns: 164px; gap: 14px;
  overflow-x: auto; padding-bottom: 14px;
  scrollbar-width: thin; scrollbar-color: rgba(185,190,198,.3) transparent;
}
.strip figure { margin: 0; display: flex; flex-direction: column; gap: 8px; }
.strip img { width: 100%; max-width: 100%; display: block; border: 1px solid var(--hair); background: var(--black); }
.strip figcaption { font-size: 9.5px; letter-spacing: .2em; color: var(--dim-42); }

.spec { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 20px; }
.spec div { font-size: 11px; color: var(--dim-55); }
.spec b { color: var(--dim-90); font-weight: 500; }

/* ── form ────────────────────────────────────────────────────────────── */
form { padding-top: 26px; border-top: 1px solid var(--rule); }
label { display: block; font-size: 10px; letter-spacing: .32em; color: var(--dim-72); margin: 0 0 16px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
input {
  flex: 1 1 220px; min-width: 0; background: rgba(232,232,236,.04); color: var(--plat);
  border: 1px solid rgba(185,190,198,.3); border-radius: 2px; padding: 14px;
  font: inherit; font-size: 14px; letter-spacing: .04em;
}
input::placeholder { color: var(--dim-42); }
input:focus-visible { outline: none; border-color: var(--accent); }

button, .btn {
  flex: 0 0 auto; background: transparent; color: var(--plat); cursor: pointer;
  border: 1px solid rgba(185,190,198,.55); border-radius: 2px; padding: 14px 26px;
  font: inherit; font-size: 12px; font-weight: 800; letter-spacing: .2em;
  text-decoration: none; display: inline-block; text-align: center;
  transition: border-color .18s ease, color .18s ease;
}
button:hover, .btn:hover, button:focus-visible, .btn:focus-visible {
  border-color: var(--accent); color: var(--accent); outline: none;
}
.btn-accent { border-color: rgba(95,227,208,.6); color: var(--accent); }
.note { font-size: 11px; color: var(--dim-55); margin-top: 16px; }
.done { display: none; padding-top: 26px; border-top: 1px solid var(--rule); }

/* ── footer ──────────────────────────────────────────────────────────── */
.foot {
  position: relative; z-index: 1;
  border-top: 1px solid var(--hair); margin-top: 80px;
}
.foot-in {
  max-width: var(--wrap); margin: 0 auto;
  padding-block: 32px 44px; padding-left: 20px; padding-right: 20px;
  display: flex; flex-wrap: wrap; gap: 18px 32px; justify-content: space-between;
}
.foot a { color: var(--dim-72); text-decoration: none; font-size: 11px; letter-spacing: .16em; }
.foot a:hover, .foot a:focus-visible { color: var(--accent); outline: none; }
.hudline { font-size: 10px; letter-spacing: .22em; color: var(--dim-42); }
.attrib { font-size: 10.5px; line-height: 1.7; color: var(--dim-42); max-width: 62ch; }

@media (max-width: 620px) {
  .nav-in { flex-direction: column; align-items: flex-start; gap: 12px; }
  .nav-links { gap: 16px; }
  .ep { grid-template-columns: 40px 1fr; gap: 14px; }
  .gloss-row { grid-template-columns: 1fr; gap: 6px; }
  .c-name { padding-left: 10px; letter-spacing: .08em; }
  .c-num { font-size: 16px; }
}