/* ============================================================
   ORBITAL-07 :: CONCEPT EXPLORER
   Design language: retro terminal / e-ink instrument panel
   - monospace only, one weight
   - square corners, 1px ink borders
   - flat color: paper|carbon background, ink, one hot accent
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --font: "SF Mono", ui-monospace, SFMono-Regular, Menlo, "JetBrains Mono",
          "IBM Plex Mono", Consolas, monospace;
  --cell: 10px;          /* pixel-glyph cell size */
  --pad: 16px;
  --track: 0.08em;
  /* tunables exposed to the Design Console (dev-only token editor) */
  --line: 1px;           /* ink border / stroke width */
  --fs: 13px;            /* base body font size */
  --title-font: "Astloch";   /* song-title display face */
  --title-size: 30px;
}

/* NEBULA — the default theme (dark): void-dark + dusty lavender.
   Depth comes from a 3-step surface ramp (ground / surface / raised) and
   3 text tones (ink / soft / dim), plus TWO nebula-gas accents: warm amber
   = "live / now / playing" state, cool rosé = navigation + structure. */
body[data-theme="nebula"] {
  --bg: #121216;            /* ground: page + engineering grid */
  --bg-soft: #1c1b24;       /* surface: cards / panels lift off the ground */
  --bg-raise: #262531;      /* raised: insets, hovers, the MD cartridge */
  --ink: #8684b3;           /* full: headings + active */
  --ink-soft: rgba(134, 132, 179, 0.58);  /* body + secondary */
  --ink-dim: rgba(134, 132, 179, 0.34);   /* quiet labels / codes / meta */
  --grid-line: rgba(134, 132, 179, 0.08);
  --accent: #ffad33;        /* warm gas — live / now */
  --accent-2: #d98fb4;      /* cool rosé — navigation / structure */
  --wm: #cfcfd8;            /* light-grey highlight — the wordmark */
}

/* PAPER — the light theme: cool blue-grey stone + cool near-black ink.
   Same 3+3 system; cards go LIGHTER than the desk. Magenta = live,
   deep mauve-rosé = navigation. Deliberately cool, not warm beige. */
body[data-theme="paper"] {
  --bg: #ccd0d1;
  --bg-soft: #d7dadb;
  --bg-raise: #e3e5e5;
  --ink: #15181c;
  --ink-soft: rgba(21, 24, 28, 0.58);
  --ink-dim: rgba(21, 24, 28, 0.38);
  --grid-line: rgba(21, 24, 28, 0.08);
  --accent: #b81e4e;
  --accent-2: #9c5b7d;
  --wm: #3a3d42;           /* darker grey so the wordmark reads on light */
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

/* clip stray horizontal overflow (e.g. the oracle ant animating off-screen to
   the right at 115vw) so the page can't be scrolled sideways on mobile.
   `clip` (not `hidden`) does this WITHOUT creating a scroll container, so the
   sticky status bar keeps working. */
html { scroll-behavior: smooth; overflow-x: clip; }
body { overflow-x: clip; }

body {
  font-family: var(--font);
  font-size: var(--fs);
  line-height: 1.55;
  letter-spacing: 0.02em;
  background-color: var(--bg);
  color: var(--ink);
  /* faint engineering grid, like the reference */
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
  transition: background-color 0.25s, color 0.25s;
  padding-bottom: 76px; /* room for dock */
}

::selection { background: var(--accent); color: var(--bg); }

.accent { color: var(--accent); }

.page {
  max-width: 430px;          /* phone canvas, centered on desktop */
  margin: 0 auto;
  padding: 0 var(--pad);
}

.rule { border-top: var(--line) solid var(--ink); margin: 12px 0; }

.tag {
  border: var(--line) solid var(--ink);
  padding: 1px 6px;
  font-size: 11px;
  letter-spacing: var(--track);
}

/* ---------- 00 status bar ---------- */
.statusbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg-soft);
  border-bottom: var(--line) solid var(--ink);
  padding: 8px var(--pad) 6px;
  max-width: 430px;
  margin: 0 auto;
}

/* full-bleed border line on desktop */
@media (min-width: 431px) {
  .statusbar { border-left: var(--line) solid var(--ink); border-right: var(--line) solid var(--ink); }
  .page      { border-left: var(--line) solid var(--ink); border-right: var(--line) solid var(--ink);
               background: var(--bg); }
  .dock      { max-width: 430px; left: 50%; transform: translateX(-50%);
               border-left: var(--line) solid var(--ink); border-right: var(--line) solid var(--ink); }
}

.statusbar__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.statusbar__sys { font-size: 12px; letter-spacing: var(--track); }

.statusbar__telemetry {
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
}

.cursor {
  animation: blink 1.1s steps(1) infinite;
  color: var(--accent);
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.theme-toggle {
  font: inherit;
  font-size: 11px;
  letter-spacing: var(--track);
  background: none;
  border: var(--line) solid var(--ink);
  color: var(--ink-soft);
  padding: 2px 8px;
  cursor: pointer;
}
.theme-toggle__opt.is-on { color: var(--accent); }
.theme-toggle__sep { color: var(--ink-soft); }

/* ---------- sections ---------- */
/* scroll-margin keeps the section head clear of the sticky status bar
   when you jump to it from the nav */
.section { padding: 28px 0 8px; scroll-margin-top: 64px; }

.section__head {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: var(--track);
  color: var(--ink-soft);
  border-bottom: var(--line) solid var(--ink);
  padding-bottom: 4px;
  margin-bottom: 16px;
}
/* section index in the cool accent = structural marker; page no. is quiet */
.section__head span:first-child { color: var(--accent-2); }
.section__head span:last-child  { color: var(--ink-dim); }

.panel {
  border: var(--line) solid var(--ink);
  padding: 14px;
  background: var(--bg-soft);
}
.panel--flush { padding: 0; overflow: hidden; }

/* ---------- 01 hero ---------- */
.hero { text-align: center; padding: 8px 0 4px; }

.hero__wordmark {
  font-size: 56px;
  font-weight: 400;
  line-height: 1;
  margin: 18px 0 8px;
  letter-spacing: -0.02em;
}

.hero__sub {
  font-size: 11px;
  letter-spacing: var(--track);
  color: var(--ink-soft);
}

.hero__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--ink-soft);
  border-top: var(--line) solid var(--ink);
  margin-top: 18px;
  padding-top: 8px;
}

/* ---------- pixel glyphs ---------- */
.glyph {
  display: grid;
  gap: 2px;
  width: max-content;
  cursor: pointer;
}
.glyph--hero { margin: 0 auto; }
.glyph--small { --cell: 7px; }

.glyph i {
  width: var(--cell);
  height: var(--cell);
}
.glyph i.on   { background: var(--ink); }
.glyph i.box  { border: var(--line) solid var(--ink); }
.glyph i.hot  { background: var(--accent); }

/* ---------- 02 type ---------- */
.type-row { padding: 6px 0; }
.type-row--display { font-size: 44px; line-height: 1.1; }
.type-row--h1 { font-size: 24px; letter-spacing: 0.02em; }
.type-row--h2 { font-size: 16px; letter-spacing: 0.04em; }
.type-row--body { font-size: 13px; color: var(--ink); max-width: 38ch; }
.type-row--label { font-size: 11px; letter-spacing: var(--track); color: var(--ink-soft); }

.type-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 10px;
  color: var(--ink-soft);
}
.type-legend span { border: var(--line) solid var(--ink); padding: 1px 6px; }

/* ---------- 03 data ---------- */
.codegrid {
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  padding: 14px;
  white-space: pre;
  overflow-x: auto;
}
.codegrid b { font-weight: 400; color: var(--accent); }

.readout {
  margin-top: 12px;
  border: var(--line) solid var(--ink);
  font-size: 11px;
}
.readout__row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--grid-line);
}
.readout__row:last-child { border-bottom: 0; }
.readout__row .k { color: var(--ink-soft); }
.readout__row .v { text-align: right; }
.readout__row .v.warn { color: var(--accent); }

/* ---------- 04 modules ---------- */
.module {
  border: var(--line) solid var(--ink);
  padding: 12px;
  margin-bottom: 12px;
  background: var(--bg-soft);
}

.module__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  min-height: 70px;
}

.module__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--ink-soft);
  border-top: var(--line) solid var(--ink);
  margin-top: 12px;
  padding-top: 8px;
}

/* meter: grid of zeros that fill into blocks */
.meter {
  font-size: 12px;
  line-height: 1.35;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
  flex: 1;
  text-align: center;
  white-space: pre;
}
.meter b { font-weight: 400; color: var(--ink); }

/* checkbox column */
.checkcol { display: grid; gap: 5px; }
.checkcol i {
  width: 9px;
  height: 9px;
  border: var(--line) solid var(--ink);
}
.checkcol i.on { background: var(--ink); }
.checkcol i.hot { background: var(--accent); border-color: var(--accent); }

/* stepped bars */
.bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 64px;
  flex: 1;
}
.bars i {
  flex: 1;
  background: var(--ink);
  min-height: 4px;
  transition: height 0.4s steps(4);
}
.bars i.hot { background: var(--accent); }

/* barcode strokes */
.barcode {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 72px;
  overflow: hidden;
}
.barcode i { background: var(--ink); height: 100%; }

/* ---------- 05 input ---------- */
.form { display: grid; gap: 16px; }

.field { display: grid; gap: 5px; }

.field__label {
  font-size: 11px;
  letter-spacing: var(--track);
  color: var(--ink-soft);
}

.field__input {
  font: inherit;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: transparent;
  border: var(--line) solid var(--ink);
  border-radius: 0;
  padding: 9px 10px;
  width: 100%;
  appearance: none;
}
.field__input::placeholder { color: var(--ink-soft); }
.field__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 2px 2px 0 var(--accent);
}

select.field__input {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
                    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.field--check { gap: 8px; }

.checkline {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
}
.checkline input {
  appearance: none;
  width: 13px;
  height: 13px;
  border: var(--line) solid var(--ink);
  border-radius: 0;
  cursor: pointer;
  flex-shrink: 0;
}
.checkline input:checked { background: var(--accent); border-color: var(--accent); }

.btn {
  font: inherit;
  font-size: 13px;
  letter-spacing: var(--track);
  background: var(--ink);
  color: var(--bg);
  border: var(--line) solid var(--ink);
  border-radius: 0;
  padding: 12px;
  cursor: pointer;
  transition: transform 0.05s;
}
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn:active { transform: translate(1px, 1px); }

/* ---------- footer ---------- */
.footer {
  padding: 24px 0 20px;
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: var(--track);
  text-align: center;
}

.footer__ticker {
  margin-top: 12px;
  white-space: nowrap;
  overflow: hidden;
  border-top: var(--line) solid var(--ink);
  border-bottom: var(--line) solid var(--ink);
  padding: 4px 0;
}
.footer__ticker span {
  display: inline-block;
  animation: ticker 28s linear infinite;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- 06 dock (bottom nav) ---------- */
.dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  background: var(--bg-soft);
  border-top: var(--line) solid var(--ink);
}

.dock__item {
  flex: 1;
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 9px 0 10px;
  font-size: 9px;
  letter-spacing: var(--track);
  color: var(--ink-soft);
  text-decoration: none;
  border-right: 1px solid var(--grid-line);
}
.dock__item:last-child { border-right: 0; }
.dock__item.is-active { color: var(--accent-2); }
.dock__item.is-active .dock__pix i.on { background: var(--accent-2); }

/* tiny 3x3 pixel icons */
.dock__pix {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  gap: 1px;
}
.dock__pix i { width: 4px; height: 4px; }
.dock__pix i.on { background: var(--ink); }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  .cursor, .footer__ticker span { animation: none; }
  .bars i { transition: none; }
}