/* ============================================================================
   TERMINAL — web design system
   Shared by towerpunk.com and (later) the studio site.

   The whole brand derives from ONE hue triplet in :root. To re-skin for a
   second site, change --accent-h/s/l (and the wordmark in js/site.js).
   Mirrors the game's CORPO-RETRO UI system (see cybertower/CORPO_RETRO.md):
   one amber ladder, labels left / values right, panel chrome, no bright colors.
   ============================================================================ */

/* ---------------------------------------------------------------- TOKENS -- */

:root {
  /* THE BRAND DIAL — change these three for a new site identity */
  --accent-h: 43;
  --accent-s: 80%;
  --accent-l: 48%;

  /* derived accent ladder (mirrors TerminalPalette roles in-game) */
  --accent:        hsl(var(--accent-h) var(--accent-s) var(--accent-l));
  --accent-hero:   hsl(var(--accent-h) var(--accent-s) calc(var(--accent-l) + 11%));
  --accent-label:  hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.58);
  --accent-lore:   hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.42);
  --accent-dim:    hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.24);
  --accent-wash:   hsl(var(--accent-h) var(--accent-s) var(--accent-l) / 0.08);
  --border:        hsl(var(--accent-h) 50% 37%);
  --border-hi:     hsl(var(--accent-h) 60% 52%);
  --glow:          hsl(var(--accent-h) var(--accent-s) calc(var(--accent-l) + 11%) / 0.38);

  /* fixed palette */
  --bg:      #0E0E0E;
  --alert:   #C04030;
  --ok:      #73B87A;

  /* type */
  --font: "Cascadia Mono", "SF Mono", "Consolas", "DejaVu Sans Mono", monospace;
  --fs-micro: 10px;
  --fs-small: 11px;
  --fs-body:  13px;
  --fs-lead:  15px;
  --track:    0.08em;
  --track-wide: 0.14em;

  /* space (4px base) */
  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 72px;

  --maxw: 980px;
}

/* Example second theme — the studio site. Set <html data-theme="studio">.
   Phosphor-green instead of amber; every component follows automatically. */
[data-theme="studio"] {
  --accent-h: 145;
  --accent-s: 42%;
  --accent-l: 52%;
}

/* ------------------------------------------------------------------ BASE -- */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--accent);
  font-family: var(--font);
  font-size: var(--fs-body);
  letter-spacing: var(--track);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* CRT overlays — scanlines + vignette. Purely decorative, never blocks input. */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 90; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 2px,
    rgba(0,0,0,0.17) 2px 3px
  );
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 91; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 52%, rgba(0,0,0,0.6) 100%);
}

img, video { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hero); }

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

/* keyboard focus — the game's corner-tick convention, simplified */
:focus-visible {
  outline: 1px solid var(--border-hi);
  outline-offset: 3px;
}

/* --------------------------------------------------------------- LAYOUT -- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--s5);
}

main { flex: 1 0 auto; }

.section { padding-block: var(--s7); }
.section + .section { border-top: 1px solid var(--accent-dim); }

.stack > * + * { margin-top: var(--s4); }
.stack-lg > * + * { margin-top: var(--s6); }

/* ------------------------------------------------------------ TYPE ROLES -- */
/* Mirrors the in-game text ladder: same hue, descending alpha. */

.t-hero {
  font-size: clamp(44px, 10vw, 96px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: var(--track-wide);
  color: var(--accent-hero);
  text-shadow: 0 0 20px var(--glow), 0 0 64px hsl(var(--accent-h) var(--accent-s) 60% / 0.13);
}
.t-header {
  font-size: var(--fs-lead);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--accent);
  text-shadow: 0 0 12px var(--glow);
}
.t-value { color: var(--accent); }
.t-label { color: var(--accent-label); text-transform: uppercase; font-size: var(--fs-small); }
.t-lore  { color: var(--accent-lore); }
.t-dim   { color: var(--accent-dim); }
.t-alert { color: var(--alert); }
.t-ok    { color: var(--ok); }
.t-up    { text-transform: uppercase; }
.t-small { font-size: var(--fs-small); }
.t-micro { font-size: var(--fs-micro); }

.lede {
  font-size: clamp(14px, 2.2vw, var(--fs-lead));
  text-transform: uppercase;
  line-height: 1.6;
}
.prose { color: var(--accent-lore); max-width: 62ch; line-height: 1.95; }

/* blinking terminal cursor */
.cursor {
  display: inline-block;
  width: 8px; height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ------------------------------------------------------------------ NAV -- */

.nav {
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s4); flex-wrap: wrap;
  padding-block: var(--s3);
}
.nav__mark {
  font-size: var(--fs-lead);
  letter-spacing: var(--track-wide);
  color: var(--accent-hero);
  text-shadow: 0 0 12px var(--glow);
}
.nav__links { display: flex; gap: var(--s5); flex-wrap: wrap; }
.nav__link {
  font-size: var(--fs-small);
  text-transform: uppercase;
  color: var(--accent-label);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.nav__link:hover { color: var(--accent-hero); }
.nav__link[aria-current="page"] {
  color: var(--accent-hero);
  border-bottom-color: var(--border-hi);
}

/* ---------------------------------------------------------------- STRIP -- */
/* The thin status readout — used under nav or above footer. */

.strip {
  display: flex; justify-content: space-between; gap: var(--s4);
  flex-wrap: wrap;
  font-size: var(--fs-small);
  text-transform: uppercase;
  color: var(--accent-label);
  padding-block: var(--s3);
  border-bottom: 1px solid var(--accent-dim);
}

/* ---------------------------------------------------------------- PANEL -- */
/* The core container. Mirrors build_std_root/header/sep chrome in-game. */

.panel { border: 1px solid var(--border); background: var(--bg); }
.panel__header {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--accent);
}
.panel__body { padding: var(--s4); }
.panel--flush .panel__body { padding: 0; }

/* ----------------------------------------------------------------- SPEC -- */
/* Key/value readout. LOCKED grammar: labels left, values right. */

.spec {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--s2) var(--s6);
  font-size: var(--fs-small);
  text-transform: uppercase;
}
.spec dt { color: var(--accent-dim); }
.spec dd { color: var(--accent); }

@media (max-width: 560px) {
  .spec { grid-template-columns: 1fr; gap: 0; }
  .spec dt { margin-top: var(--s3); }
}

/* --------------------------------------------------------------- BUTTON -- */
/* Bracketed terminal buttons: write labels as [ TEXT ] in the markup. */

.btn {
  display: inline-flex; align-items: center; gap: var(--s2);
  border: 1px solid var(--border);
  color: var(--accent-hero);
  background: transparent;
  font-family: var(--font);
  font-size: var(--fs-body);
  letter-spacing: var(--track);
  text-transform: uppercase;
  padding: var(--s3) var(--s5);
  cursor: pointer;
  transition: background 0.14s, text-shadow 0.14s, border-color 0.14s;
}
.btn:hover {
  background: var(--accent-wash);
  border-color: var(--border-hi);
  text-shadow: 0 0 10px var(--glow);
}
.btn:active { opacity: 0.7; }

.btn--primary { border-color: var(--border-hi); box-shadow: inset 0 0 24px hsl(var(--accent-h) var(--accent-s) 50% / 0.06); }
.btn--dim { color: var(--accent-label); }
.btn--small { font-size: var(--fs-small); padding: var(--s2) var(--s3); }

.btn[aria-disabled="true"],
.btn:disabled {
  color: var(--accent-dim);
  border-color: var(--accent-dim);
  cursor: not-allowed;
  pointer-events: none;
}

.btn-row { display: flex; gap: var(--s4); flex-wrap: wrap; }

/* ---------------------------------------------------------------- GRIDS -- */

.grid { display: grid; gap: var(--s4); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ----------------------------------------------------------------- CARD -- */
/* Media tile: framed thumb + caption strip. */

.card { border: 1px solid var(--border); display: flex; flex-direction: column; }
.card__media {
  aspect-ratio: 16 / 9;
  background: #080808;
  display: grid; place-items: center;
  overflow: hidden;
  position: relative;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__placeholder {
  font-size: var(--fs-small);
  text-transform: uppercase;
  color: var(--accent-dim);
  text-align: center;
  padding: var(--s4);
}
.card__caption {
  border-top: 1px solid var(--border);
  padding: var(--s3) var(--s4);
  font-size: var(--fs-small);
  text-transform: uppercase;
  color: var(--accent-label);
  display: flex; justify-content: space-between; gap: var(--s3);
}
a.card:hover { border-color: var(--border-hi); }
a.card:hover .card__caption { color: var(--accent-hero); }

/* ---------------------------------------------------------------- GAUGE -- */
/* Flush fill + same-color frame — matches the in-game GaugeBar. */

.gauge {
  height: 10px;
  border: 1px solid var(--border);
  background: transparent;
  position: relative;
  cursor: pointer;
  overflow: hidden;
}
.gauge__fill {
  position: absolute; inset: 0 auto 0 0;
  width: 0%;
  background: var(--accent);
  transition: width 0.12s linear;
}
.gauge--tall { height: 14px; }

/* --------------------------------------------------------------- TICKER -- */

.ticker-wrap {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden; white-space: nowrap;
  padding-block: var(--s3);
  font-size: var(--fs-small);
  text-transform: uppercase;
  color: var(--accent-label);
}
.ticker { display: inline-block; padding-left: 100%; animation: ticker-scroll 90s linear infinite; }
.ticker span { margin-right: 64px; }
@keyframes ticker-scroll { to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker { animation: none; padding-left: 0; }
  .cursor { animation: none; }
}

/* --------------------------------------------------------------- FOOTER -- */

.footer {
  border-top: 1px solid var(--border);
  margin-top: var(--s7);
  padding-block: var(--s5) var(--s6);
  font-size: var(--fs-small);
  text-transform: uppercase;
}
.footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--s5);
}
.footer__head { color: var(--accent-dim); margin-bottom: var(--s2); }
.footer__list { list-style: none; display: flex; flex-direction: column; gap: var(--s1); }
.footer__list a { color: var(--accent-label); }
.footer__list a:hover { color: var(--accent-hero); }
.footer__base {
  margin-top: var(--s5);
  padding-top: var(--s4);
  border-top: 1px solid var(--accent-dim);
  display: flex; justify-content: space-between; gap: var(--s3); flex-wrap: wrap;
  color: var(--accent-dim);
}

/* ---------------------------------------------------------- AUDIO DECK -- */
/* The music player. Mirrors the in-game AUDIO DECK: spectrum VU + track list. */

.deck { display: grid; grid-template-columns: 1fr; gap: var(--s4); }
@media (min-width: 760px) {
  .deck { grid-template-columns: 1fr 300px; align-items: start; }
}

.deck__now { display: flex; flex-direction: column; gap: var(--s3); }
.deck__title {
  font-size: var(--fs-lead);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--accent-hero);
  text-shadow: 0 0 12px var(--glow);
}
.deck__meta {
  display: flex; gap: var(--s5); flex-wrap: wrap;
  font-size: var(--fs-small); text-transform: uppercase;
  color: var(--accent-label);
}
.deck__vu {
  width: 100%; height: 108px; display: block;
  border: 1px solid var(--accent-dim);
  background: #080808;
}
.deck__transport { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.deck__time { font-size: var(--fs-small); color: var(--accent-label); font-variant-numeric: tabular-nums; }

.tracklist {
  list-style: none;
  max-height: 420px; overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.tracklist__group {
  padding: var(--s2) var(--s4);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--accent-dim);
  border-bottom: 1px solid var(--accent-dim);
  position: sticky; top: 0; background: var(--bg);
}
.track {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s3);
  width: 100%;
  padding: var(--s2) var(--s4);
  background: transparent; border: 0; border-bottom: 1px solid var(--accent-dim);
  color: var(--accent-label);
  font-family: var(--font); font-size: var(--fs-small);
  letter-spacing: var(--track); text-transform: uppercase;
  text-align: left; cursor: pointer;
}
.track:hover { background: var(--accent-wash); color: var(--accent); }
.track[aria-current="true"] { color: var(--accent-hero); background: var(--accent-wash); }
.track[aria-current="true"] .track__idx::before { content: "▸ "; }
.track__idx { color: var(--accent-dim); margin-right: var(--s2); font-variant-numeric: tabular-nums; }
.track__bpm { color: var(--accent-dim); font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------- MONITOR -- */
/* The hero: an amber terminal bezel framing live footage of the world.
   States are driven by js/hero.js off SITE.hero — placeholder / loop / trailer.
   The world stays FULL COLOR inside the frame (per STYLE_BIBLE); only the
   chrome is amber. Scanlines cross the footage — that's what sells "screen". */

.monitor {
  border: 1px solid var(--border-hi);
  background: var(--bg);
  box-shadow: 0 0 40px hsl(var(--accent-h) var(--accent-s) 50% / 0.07);
  position: relative;
}

.monitor__strip {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s3); flex-wrap: wrap;
  padding: var(--s2) var(--s4);
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: var(--track-wide);
  color: var(--accent-label);
}
.monitor__rec { display: inline-flex; align-items: center; gap: var(--s2); }
.monitor__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--alert);
  animation: rec-pulse 2s ease-in-out infinite;
}
@keyframes rec-pulse { 50% { opacity: 0.25; } }

.monitor__screen {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #060606;
  overflow: hidden;
}
.monitor__screen > video,
.monitor__screen > img,
.monitor__screen > iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  border: 0;
  display: block;
}

/* CRT treatment INSIDE the screen — denser than the page-wide overlay. */
.monitor__crt {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background:
    repeating-linear-gradient(to bottom,
      transparent 0 2px, rgba(0,0,0,0.22) 2px 3px),
    radial-gradient(ellipse at center,
      transparent 46%, rgba(0,0,0,0.55) 100%);
  box-shadow:
    inset 0 0 60px rgba(0,0,0,0.55),
    inset 0 0 140px rgba(0,0,0,0.3);
}

/* corner ticks — the focus marks from the game's UI */
.monitor__ticks { position: absolute; inset: 0; z-index: 4; pointer-events: none; }
.monitor__ticks::before,
.monitor__ticks::after {
  content: ""; position: absolute; width: 14px; height: 14px;
  border-color: var(--accent); border-style: solid;
}
.monitor__ticks::before { top: 8px; left: 8px; border-width: 1px 0 0 1px; }
.monitor__ticks::after { bottom: 8px; right: 8px; border-width: 0 1px 1px 0; }

.monitor__placeholder {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-content: center; gap: var(--s2);
  text-align: center; padding: var(--s5);
  font-size: var(--fs-small); text-transform: uppercase;
  color: var(--accent-dim);
  background:
    repeating-linear-gradient(115deg,
      transparent 0 22px, hsl(var(--accent-h) 40% 30% / 0.05) 22px 44px);
}

/* facade play control — only shown when a trailer is configured */
.monitor__play {
  position: absolute; inset: 0; z-index: 5;
  display: grid; place-items: center;
  background: transparent; border: 0; cursor: pointer;
  transition: background 0.18s;
}
.monitor__play:hover { background: hsl(var(--accent-h) 60% 40% / 0.10); }
.monitor__play span {
  border: 1px solid var(--border-hi);
  background: hsl(0 0% 4% / 0.72);
  color: var(--accent-hero);
  padding: var(--s3) var(--s5);
  font-size: var(--fs-body);
  text-transform: uppercase;
  letter-spacing: var(--track);
  text-shadow: 0 0 12px var(--glow);
}

.monitor__caption {
  display: flex; justify-content: space-between; gap: var(--s3); flex-wrap: wrap;
  padding: var(--s2) var(--s4);
  border-top: 1px solid var(--border);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  color: var(--accent-dim);
}

@media (prefers-reduced-motion: reduce) {
  .monitor__dot { animation: none; }
}

/* --------------------------------------------------- MEDIA GRID VARIANTS -- */
/* A 500-floor tower is a vertical subject in a horizontal medium, so the
   media grid deliberately mixes aspect ratios instead of forcing 16:9. */

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--s4);
  align-items: start;
}

/* full-tower shot: tall slot, spans two rows on wide screens */
.card--tall .card__media { aspect-ratio: 9 / 16; }
@media (min-width: 720px) {
  .media-grid .card--tall { grid-row: span 2; }
}

/* horizontal slice: the SimTower money shot */
.card--wide .card__media { aspect-ratio: 16 / 9; }
@media (min-width: 720px) {
  .media-grid .card--wide { grid-column: span 2; }
}

/* room detail crop: square-ish, shows off the art */
.card--detail .card__media { aspect-ratio: 4 / 3; }

.card__media img { image-rendering: auto; }
/* Pixel-art crops shown at/above 1:1 should stay crisp, not smoothed. */
.card--detail .card__media img { image-rendering: pixelated; }

/* --------------------------------------------------------------- UTILS -- */

.u-center { text-align: center; }
.u-mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
