/* ==========================================================================
   SUBVERSIVE BRUTALIST ARCHIVE — design tokens sourced from DESIGN.md
   (Stitch project "Subversive Brutalist Archive", Terminal Analog system)
   ========================================================================== */

:root {
  --void: #0e0e0e;
  --surface: #131313;
  --surface-container: #1c1b1b;
  --surface-container-high: #2a2a2a;
  --surface-bright: #393939;
  --primary: #c6c6c6;
  --on-primary: #131313;
  --on-surface: #e5e2e1;
  --on-surface-dim: #988e90;
  --outline-variant: #4c4546;

  --font-display: 'Archivo Narrow', 'Arial Narrow', sans-serif;
  --font-body: 'Courier Prime', 'Courier New', monospace;
  --font-label: 'Space Mono', 'Courier New', monospace;

  --border-w: 3px;
  --hairline: 1px;
  --gutter: 20px;
  --page-margin: 40px;
  --nav-w: 260px;

  --ease: cubic-bezier(.2, .7, .1, 1);
}

@media (max-width: 900px) {
  :root { --page-margin: 18px; --gutter: 14px; }
}

* { box-sizing: border-box; }

html {
  background: var(--surface);
  scrollbar-color: var(--primary) var(--surface);
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--primary); color: var(--on-primary); }

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--surface); border-left: var(--border-w) solid var(--primary); }
::-webkit-scrollbar-thumb { background: var(--primary); border: 3px solid var(--surface); }

a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, .sidenav__brand {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.98;
  margin: 0;
  text-transform: uppercase;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* underscore_case labels have no natural break point for narrow viewports */
.mono, .label { overflow-wrap: break-word; word-break: break-word; }

/* icon system: drawn SVG, one stroke weight, square caps — never unicode glyphs */
.icon { display: block; flex-shrink: 0; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.mono, .label {
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- redaction device ---------- */
.redacted {
  background: var(--primary);
  color: var(--primary);
  user-select: none;
  cursor: default;
  padding: 0 2px;
  transition: color .12s steps(2, end), background-color .12s steps(2, end);
}
.redacted:hover,
.redacted:focus-visible {
  color: var(--on-primary);
  outline: none;
}

/* ---------- noise + scanline atmosphere ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch' result='t'/%3E%3CfeColorMatrix in='t' type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 0.5s steps(4) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0,0); }
  25%  { transform: translate(-1%,1%); }
  50%  { transform: translate(1%,-1%); }
  75%  { transform: translate(-1%,-1%); }
  100% { transform: translate(0,0); }
}

/* repeating hairline scan texture, always present — the CRT is always on */
.grain::after {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    0deg, rgba(198,198,198,.05) 0px, rgba(198,198,198,.05) 1px,
    transparent 1px, transparent 3px
  );
}

.scanline {
  position: fixed;
  left: 0; right: 0;
  height: 160px;
  z-index: 201;
  pointer-events: none;
  background: linear-gradient(0deg, transparent 0%, rgba(198,198,198,.1) 50%, transparent 100%);
  animation: scan 7s linear infinite;
}
@keyframes scan {
  0%   { transform: translateY(-160px); }
  100% { transform: translateY(100vh); }
}

/* ---------- static burst: a brief flash of TV-snow interference ---------- */
.static-burst {
  position: fixed;
  inset: 0;
  z-index: 260;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 240'%3E%3Cfilter id='s'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='2' stitchTiles='stitch' result='t'/%3E%3CfeColorMatrix in='t' type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='2.2' intercept='-0.4'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23s)'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}

/* ---------- vhs tracking bar: a brief horizontal signal-dropout band ---------- */
.vhs-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 22px;
  z-index: 261;
  pointer-events: none;
  background: var(--primary);
  mix-blend-mode: difference;
  opacity: 0;
  transform: translateY(-40px);
}

@media (prefers-reduced-motion: reduce) {
  .grain, .scanline, .hero__noise { animation: none !important; }
  .static-burst, .vhs-bar { display: none; }
  .navlink--breach { animation: none; }
}

/* ---------- breach trigger: a glitched, out-of-place nav entry ---------- */
.navlink--breach {
  position: relative;
  color: #ff3b5c;
  text-shadow: -1px 0 #22e6d6, 1px 0 #6a5bff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cfilter id='cn'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23cn)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
  background-blend-mode: overlay;
  animation: navbreach-hue 3.2s linear infinite;
}
@keyframes navbreach-hue {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}
.sidenav__links a.navlink--breach:hover,
.sidenav__links a.navlink--breach:focus-visible,
.mobilenav a.navlink--breach:hover,
.mobilenav a.navlink--breach:focus-visible {
  text-shadow: none;
  animation: none;
  background-image: none;
  filter: none;
}

/* ---------- glitch transition: plays on breach click, before navigating ---------- */
.glitch-fx {
  position: fixed; inset: 0; z-index: 500;
  pointer-events: none;
  opacity: 0;
  overflow: hidden;
}
.glitch-fx__ch {
  position: absolute; inset: 0;
  mix-blend-mode: screen;
}
.glitch-fx__ch--r { background: #ff2d55; }
.glitch-fx__ch--c { background: #22e6d6; }
.glitch-fx__noise {
  position: absolute; inset: -10% ;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Cfilter id='cn'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23cn)'/%3E%3C/svg%3E");
  background-size: 220px 220px;
  mix-blend-mode: overlay;
  opacity: .6;
}

/* ---------- typewriter reveal cursor ---------- */
.is-typing::after {
  content: '';
  display: inline-block;
  width: 0.5em;
  height: 1em;
  margin-left: 2px;
  background: var(--primary);
  vertical-align: text-bottom;
  animation: tw-blink .9s step-end infinite;
}
@keyframes tw-blink { 50% { opacity: 0; } }

/* ---------- glitch text (monochrome jitter, no color split) ---------- */
.glitch { position: relative; display: inline-block; }
.glitch:hover, .glitch:focus-visible {
  animation: glitch-skew .28s var(--ease) both infinite;
}
@keyframes glitch-skew {
  0% { transform: skewX(0deg); }
  20% { transform: skewX(-3deg); }
  40% { transform: skewX(2deg); }
  60% { transform: skewX(-1deg); }
  80% { transform: skewX(1deg); }
  100% { transform: skewX(0deg); }
}

/* ---------- layout shell ---------- */
.shell { display: flex; min-height: 100vh; }

.sidenav {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--nav-w);
  height: 100vh;
  border-right: var(--border-w) solid var(--primary);
  background: var(--surface);
  display: none;
  flex-direction: column;
  z-index: 100;
}
@media (min-width: 900px) { .sidenav { display: flex; } }

.sidenav__head { padding: 20px 18px; border-bottom: var(--border-w) solid var(--primary); }
.sidenav__head h1, .sidenav__head .sidenav__brand { font-size: 22px; letter-spacing: -0.02em; }
.sidenav__head p { margin-top: 8px; color: var(--on-surface-dim); }
.sidenav__head p.sidenav__brand { margin-top: 0; color: inherit; }

.sidenav__links { display: flex; flex-direction: column; flex-grow: 0; }

.sidenav__ascii {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 14px 10px;
  overflow: hidden;
}
.scope-unit { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.sidenav__ascii .scope { width: 130px; height: auto; shape-rendering: crispEdges; }
.sidenav__ascii .scope__border { fill: none; stroke: var(--primary); stroke-width: 2; }
.sidenav__ascii .scope__axis { stroke: var(--primary); stroke-width: 1; opacity: .35; }
.sidenav__ascii .scope__ring { fill: none; stroke: var(--primary); stroke-width: 1; opacity: .3; }
.sidenav__ascii .scope__wave { fill: none; stroke: var(--primary); stroke-width: 2; stroke-linejoin: miter; stroke-linecap: square; }
.sidenav__ascii .scope__beam { fill: var(--primary); opacity: .45; }
.sidenav__ascii .scope__sweep { stroke: var(--primary); stroke-width: 2; }
.sidenav__ascii .scope__blip { fill: var(--primary); opacity: .8; }
.sidenav__ascii .scope__bar { fill: var(--primary); opacity: .8; }
.sidenav__ascii-label { color: var(--on-surface-dim); font-size: 10px; letter-spacing: .15em; }
.sidenav__links a {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px;
  border-bottom: var(--border-w) solid var(--primary);
  font-family: var(--font-label);
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  transition: background .1s steps(1), color .1s steps(1);
}
.sidenav__links a:hover { background: var(--primary); color: var(--on-primary); }
.sidenav__links a[aria-current="page"] { background: var(--primary); color: var(--on-primary); }
.sidenav__links a .glyph { font-size: 14px; }

.sidenav__foot { padding: 14px 18px; border-top: var(--border-w) solid var(--primary); }
.sidenav__foot .clock { color: var(--on-surface-dim); }

.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
@media (min-width: 900px) { .main { margin-left: var(--nav-w); } }

/* ---------- top bar (mobile) ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--gutter);
  height: 68px;
  border-bottom: var(--border-w) solid var(--primary);
  position: sticky; top: 0; z-index: 90;
  background: var(--surface);
}
@media (min-width: 900px) { .topbar { display: none; } }
.topbar__title { font-family: var(--font-display); font-weight: 800; font-size: 20px; text-transform: uppercase; letter-spacing: -0.02em; }
.topbar__toggle {
  width: 44px; height: 44px;
  border: var(--border-w) solid var(--primary);
  background: var(--surface); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.topbar__toggle:hover { background: var(--primary); color: var(--on-primary); }

.mobilenav {
  position: fixed; inset: 68px 0 0 0;
  background: var(--surface);
  z-index: 89;
  border-bottom: var(--border-w) solid var(--primary);
  transform: translateY(-110%);
  transition: transform .18s var(--ease);
  display: flex;
  flex-direction: column;
}
.mobilenav.open { transform: translateY(0); }
.mobilenav a {
  display: block; padding: 18px var(--gutter);
  border-bottom: var(--border-w) solid var(--primary);
  font-family: var(--font-label); font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  flex: none;
}
.mobilenav a:hover, .mobilenav a[aria-current="page"] { background: var(--primary); color: var(--on-primary); }
.mobilenav .sidenav__ascii { flex: 1; min-height: 0; padding: 24px var(--gutter); }
@media (min-width: 900px) { .mobilenav { display: none; } }

/* ---------- ticker marquee (driven by GSAP in js/main.js) ---------- */
.marquee {
  border-top: var(--border-w) solid var(--primary);
  border-bottom: var(--border-w) solid var(--primary);
  background: var(--surface-container);
  overflow: hidden;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex;
  gap: 48px;
  padding: 10px 0;
  will-change: transform;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--on-surface-dim);
}
.marquee__track span::after { content: '//'; margin-left: 48px; color: var(--outline-variant); }

/* ---------- buttons / chips ---------- */
.btn {
  border: var(--border-w) solid var(--primary);
  background: var(--surface);
  color: var(--primary);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 14px 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background .1s steps(1), color .1s steps(1);
}
.btn:hover, .btn:focus-visible { background: var(--primary); color: var(--on-primary); }

.chip {
  border: var(--hairline) solid var(--primary);
  padding: 6px 12px;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  background: transparent;
  color: var(--primary);
  transition: background .1s steps(1), color .1s steps(1);
}
.chip:hover { background: var(--primary); color: var(--on-primary); }
.chip[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); }

/* ---------- footer ---------- */
.sitefoot {
  border-top: var(--border-w) solid var(--primary);
  margin-top: auto;
  padding: 17px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.sitefoot a { color: var(--on-surface-dim); }
.sitefoot a:hover { color: var(--primary); }
.sitefoot__links { display: flex; gap: 20px; }
.sitefoot__copyright { color: var(--on-surface-dim); letter-spacing: .05em; }

/* ---------- system log ---------- */
.syslog {
  border: var(--border-w) solid var(--primary);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.syslog__head {
  padding: 10px 14px;
  border-bottom: var(--border-w) solid var(--primary);
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: .1em;
}
.syslog__body {
  padding: 12px 14px;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-label);
  font-size: 10.5px;
  color: var(--on-surface-dim);
  min-height: 220px;
}
.syslog__body li { list-style: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; opacity: 0; animation: log-in .2s steps(1) forwards; }
@keyframes log-in { to { opacity: 1; } }

/* ---------- generic page wrappers ---------- */
.page {
  padding: var(--gutter);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--gutter);
  width: 100%;
}
.container { max-width: 1400px; margin: 0 auto; width: 100%; }
.container--wide { max-width: 1800px; }

/* ---------- crosshair cursor (desktop, pointer-fine only) ---------- */
.crosshair {
  position: fixed;
  top: 0; left: 0;
  width: 22px; height: 22px;
  border: 1px solid var(--primary);
  pointer-events: none;
  z-index: 300;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  display: none;
  opacity: 0;
  transition: opacity .15s;
}
.crosshair::before, .crosshair::after {
  content: '';
  position: absolute;
  background: var(--primary);
}
.crosshair::before { left: 50%; top: -6px; width: 1px; height: 6px; }
.crosshair::after { top: 50%; left: -6px; height: 1px; width: 6px; }
@media (hover: hover) and (pointer: fine) {
  html, body, body * { cursor: none !important; }
  .crosshair { display: block; }
  .crosshair.active { opacity: 1; }
}

/* ---------- boot overlay ---------- */
.boot {
  position: fixed; inset: 0; z-index: 400;
  background: var(--surface);
  color: var(--primary);
  font-family: var(--font-label);
  font-size: 13px;
  padding: var(--page-margin);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
  cursor: pointer;
  transition: opacity .3s var(--ease), visibility .3s;
}
.boot.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.boot__line { opacity: 0; animation: log-in .15s steps(1) forwards; white-space: pre; }
.boot__skip { margin-top: 18px; color: var(--on-surface-dim); }