/* ---------------------------------------------------------------------------
   Theme. Change these and the whole site follows.
   ------------------------------------------------------------------------- */
:root {
  --bg: #15130f;
  --bg-2: #1d1a15;
  --panel: #24211b;
  --line: #3a352c;
  --ink: #ece4d4;
  --ink-dim: #9c9384;
  --accent: #ff5a1f;     /* signal orange */
  --accent-2: #e8c547;   /* sticky-note yellow */
  --led-up: #57f287;
  --led-wip: #f5b83d;
  --led-planned: #5a8dee;
  --led-down: #ff4d4d;
  --metal-1: #4a4741;
  --metal-2: #2e2c28;

  --mono: "Cascadia Mono", "JetBrains Mono", ui-monospace, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --hand: "Segoe Print", "Bradley Hand", "Comic Neue", "Marker Felt", cursive;

  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 32px 32px;
  background-color: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--serif);
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 50;
  opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(4) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-3%, 2%); }
  50% { transform: translate(2%, -3%); }
  75% { transform: translate(-1%, 3%); }
}

a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
code, kbd { font-family: var(--mono); font-size: .9em; }
kbd { border: 1px solid var(--line); border-bottom-width: 2px; padding: 0 .35em; border-radius: 3px; }
.dim { color: var(--ink-dim); }
:focus-visible { outline: 2px dashed var(--accent); outline-offset: 3px; }

/* ---------- top bar ---------- */
.top {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 16px;
  display: flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 14px;
}
.brand { text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.cursor { color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.top nav { margin-left: auto; display: flex; gap: 18px; align-items: center; }
.top nav a { text-decoration: none; color: var(--ink-dim); }
.top nav a:hover { color: var(--ink); }
.top nav a::before { content: "/"; color: var(--line); margin-right: 2px; }
.term-btn {
  font: inherit;
  background: var(--ink);
  color: var(--bg);
  border: 0;
  padding: 2px 8px;
  cursor: pointer;
  transform: rotate(-2deg);
}
.term-btn:hover { background: var(--accent); }

main { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 40px;
  align-items: center;
  padding: 48px 0 56px;
}
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(52px, 8.5vw, 104px);
  white-space: nowrap;
  line-height: .85;
  letter-spacing: -.07em;
  margin: 0 0 16px;
  position: relative;
}
.hero h1::after {
  content: "";
  position: absolute;
  left: 4px; bottom: -6px;
  width: 64%;
  height: 10px;
  background: var(--accent);
  transform: skew(-12deg) rotate(-1deg);
  z-index: -1;
}
.tagline { font-size: 20px; font-style: italic; margin: 22px 0 28px; color: var(--ink-dim); }
.sticky {
  display: inline-block;
  max-width: 270px;
  background: var(--accent-2);
  color: #2b2306;
  font-family: var(--hand);
  font-size: 15px;
  line-height: 1.4;
  padding: 14px 16px 18px;
  transform: rotate(-3deg);
  box-shadow: 3px 6px 0 rgba(0,0,0,.35);
  position: relative;
}
.sticky::before {
  content: "";
  position: absolute;
  top: -10px; left: 40%;
  width: 70px; height: 22px;
  background: rgba(255,255,255,.35);
  transform: rotate(4deg);
}

/* ---------- server drawing ---------- */
.server { margin: 0; }
.server-label {
  font-family: var(--mono);
  font-size: 12px;
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}
.server-label span:first-child {
  background: var(--ink);
  color: var(--bg);
  padding: 0 6px;
}
.server-panel svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 18px 24px rgba(0,0,0,.55)); }
.server figcaption {
  margin-top: 10px;
  font-family: var(--hand);
  color: var(--ink-dim);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 4px 10px;
}
.arrow { width: 70px; height: 36px; fill: none; stroke: var(--ink-dim); stroke-width: 2.5; stroke-linecap: round; transform: scaleY(-1) translateY(4px); }
.specs { flex-basis: 100%; font-family: var(--mono); font-size: 12px; }
.specs b { font-weight: normal; border: 1px solid var(--line); padding: 1px 6px; margin-right: 6px; }

/* svg pieces (classes set from main.js) */
.chassis { fill: url(#metal); stroke: #111; }
.ear { fill: #1b1a18; }
.bay { fill: #121110; stroke: #3b3934; }
.bay-handle { fill: #2a2825; }
.bay-grip { stroke: #45423c; stroke-width: 1; }
.vent { fill: #0d0c0b; }
.bezel-text { fill: #8d8a83; font: 7px var(--mono); letter-spacing: .1em; }
.led { fill: #1f3a26; transition: fill .05s; }
.led.on { fill: var(--led-up); filter: drop-shadow(0 0 3px var(--led-up)); }
.led.amber.on { fill: var(--led-wip); filter: drop-shadow(0 0 3px var(--led-wip)); }
.power { fill: #222; stroke: #4a90ff; stroke-width: 1.5; }
.power-glow { fill: #4a90ff; filter: drop-shadow(0 0 4px #4a90ff); animation: breathe 3s ease-in-out infinite; }
@keyframes breathe { 50% { opacity: .35; } }

/* ---------- construction tape ---------- */
.tape {
  margin: 0 -40px;
  transform: rotate(-1.4deg);
  background: repeating-linear-gradient(-45deg, var(--accent-2) 0 22px, #1a1a1a 22px 44px);
  padding: 6px 0;
  overflow: hidden;
  white-space: nowrap;
}
.tape span {
  display: inline-block;
  background: var(--accent-2);
  color: #1a1a1a;
  font: 700 13px var(--mono);
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: 2px 0;
  animation: crawl 40s linear infinite;
}
@keyframes crawl { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.block { padding: 72px 0 24px; }
.block h2 {
  font-family: var(--mono);
  font-size: 30px;
  letter-spacing: -.04em;
  margin: 0 0 6px;
}
.num {
  font-size: 13px;
  vertical-align: super;
  color: var(--accent);
  margin-right: 4px;
}
.lede { color: var(--ink-dim); margin: 0 0 22px; }

/* ---------- rack ---------- */
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font: 12px var(--mono); color: var(--ink-dim); margin-bottom: 14px; }
.legend i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }

.rack {
  --rail: 28px;
  position: relative;
  background: #0f0e0c;
  border: 2px solid #000;
  padding: 10px var(--rail);
  box-shadow: inset 0 0 0 1px #2a2722, 0 20px 40px rgba(0,0,0,.4);
}
.rack::before, .rack::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: var(--rail);
  background:
    radial-gradient(circle at 50% 50%, #000 2.5px, transparent 3px) center top / 100% 15px repeat-y,
    linear-gradient(90deg, #3d3a35, #57534c 50%, #3d3a35);
}
.rack::before { left: 0; }
.rack::after { right: 0; }

.rack-section {
  font: 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .25em;
  color: var(--ink-dim);
  padding: 10px 12px 4px;
  border-top: 1px dashed #2c2924;
}
.rack-section:first-child { border-top: 0; }

.unit {
  display: grid;
  grid-template-columns: 34px 14px minmax(110px, 180px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  min-height: 46px;
  margin: 4px 0;
  padding: 6px 14px;
  background: linear-gradient(var(--metal-1), var(--metal-2));
  border: 1px solid #000;
  border-radius: 2px;
  color: var(--ink);
  text-decoration: none;
  position: relative;
  transition: transform .18s cubic-bezier(.3,1.6,.6,1), box-shadow .18s;
}
.unit::after {
  /* vent slots */
  content: "";
  position: absolute;
  right: 120px; top: 50%;
  width: 60px; height: 14px;
  transform: translateY(-50%);
  background: repeating-linear-gradient(90deg, #111 0 3px, transparent 3px 6px);
  opacity: .5;
  pointer-events: none;
}
a.unit:hover {
  color: var(--ink);
  transform: translateX(10px);
  box-shadow: -10px 0 0 #000, 0 8px 18px rgba(0,0,0,.5);
}
.unit .u { font: 11px var(--mono); color: #8a857c; }
.unit .led-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c); box-shadow: 0 0 8px var(--c); }
.unit[data-status="up"] .led-dot { --c: var(--led-up); }
.unit[data-status="wip"] .led-dot { --c: var(--led-wip); animation: blink 1.4s steps(1) infinite; }
.unit[data-status="planned"] .led-dot { --c: var(--led-planned); box-shadow: none; opacity: .7; }
.unit[data-status="down"] .led-dot { --c: var(--led-down); animation: blink .5s steps(1) infinite; }
.unit .name { font: 700 15px var(--mono); }
.unit .host { display: block; font: 11px var(--mono); color: #a59f94; font-weight: normal; }
.unit .desc { font-size: 14px; color: #cfc7b8; overflow: hidden; text-overflow: ellipsis; }
.unit .badge {
  font: 11px var(--mono);
  padding: 2px 7px;
  border: 1px solid #000;
  background: #1a1916;
  color: var(--ink-dim);
  white-space: nowrap;
}
.unit .badge[data-auth="access"] { color: var(--accent); }
.unit .badge[data-auth="vpn"] { color: var(--led-planned); }
.unit.offline { cursor: not-allowed; filter: saturate(.6); }

.rack-empty {
  height: 46px;
  margin: 4px 0;
  background: repeating-linear-gradient(90deg, #191815 0 8px, #141311 8px 16px);
  border: 1px solid #000;
  font: 11px var(--mono);
  color: #4a463f;
  display: flex;
  align-items: center;
  padding-left: 14px;
}

/* ---------- projects ---------- */
.filters { display: flex; gap: 8px; margin-bottom: 22px; font-family: var(--mono); font-size: 13px; }
.filters button {
  font: inherit;
  background: none;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  padding: 3px 10px;
  cursor: pointer;
}
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px 24px;
}
.card {
  background: #efe7d6;
  color: #24201a;
  padding: 18px 18px 16px;
  position: relative;
  box-shadow: 4px 5px 0 rgba(0,0,0,.4);
  transform: rotate(var(--tilt, 0deg));
  transition: transform .2s;
  background-image: repeating-linear-gradient(transparent 0 25px, rgba(60,110,190,.18) 25px 26px);
  background-position: 0 44px;
}
.card::before {
  /* red margin line, index-card style */
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 12px;
  width: 1px;
  background: rgba(210,60,60,.35);
}
.card:hover { transform: rotate(0deg) translateY(-4px); }
.card h3 { font: 700 18px var(--mono); margin: 0 0 4px; letter-spacing: -.03em; }
.card .kind {
  position: absolute;
  top: -9px; right: 12px;
  font: 700 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: .15em;
  background: var(--accent);
  color: #fff;
  padding: 2px 7px;
  transform: rotate(3deg);
}
.card .kind[data-kind="shared"] { background: #2f6fd6; }
.card p { margin: 0 0 12px; font-size: 15px; line-height: 26px; }
.card .tags { font: 11px var(--mono); color: #6b6253; }
.card .tags span::before { content: "#"; }
.card .tags span { margin-right: 8px; }
.card a { color: #24201a; font: 700 13px var(--mono); }
.card a:hover { color: var(--accent); }

.empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px;
  border: 2px dashed var(--line);
  font-family: var(--hand);
  color: var(--ink-dim);
  transform: rotate(-.5deg);
}

/* ---------- log ---------- */
.log { list-style: none; padding: 0; margin: 0; font-family: var(--mono); font-size: 14px; border-left: 2px solid var(--line); }
.log li { padding: 6px 0 6px 18px; position: relative; }
.log li::before {
  content: "";
  position: absolute;
  left: -6px; top: 14px;
  width: 10px; height: 10px;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.log time { color: var(--accent); margin-right: 12px; }

/* ---------- footer ---------- */
.foot {
  max-width: var(--max);
  margin: 80px auto 0;
  padding: 28px 16px 48px;
  border-top: 1px solid var(--line);
  font: 13px var(--mono);
  color: var(--ink-dim);
}
.foot a { color: var(--ink-dim); margin-right: 14px; }
.buttons { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.b88 {
  width: 88px; height: 31px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font: 700 9px/1.1 var(--mono);
  letter-spacing: .05em;
  border: 2px outset #888;
  image-rendering: pixelated;
}
.b88 i { font-style: normal; font-weight: normal; font-size: 8px; }
.b88-a { background: linear-gradient(#e57000, #a04e00); color: #fff; }
.b88-b { background: #000; color: var(--led-up); border-color: #333; }
.b88-c { background: var(--accent-2); color: #000; }

/* ---------- terminal ---------- */
.term {
  position: fixed;
  right: 16px; bottom: 16px;
  width: min(560px, calc(100vw - 32px));
  height: min(360px, 60vh);
  display: flex;
  flex-direction: column;
  background: #0b0a09;
  border: 1px solid #000;
  box-shadow: 0 0 0 1px var(--line), 0 30px 60px rgba(0,0,0,.6);
  font: 13px/1.5 var(--mono);
  z-index: 100;
}
.term[hidden] { display: none; }
.term-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 10px;
  background: var(--ink);
  color: var(--bg);
  font-size: 12px;
}
.term-bar button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
.term-out { flex: 1; overflow-y: auto; padding: 10px 12px; color: #c9f7c9; white-space: pre-wrap; }
.term-out .err { color: var(--led-down); }
.term-out .cmd { color: var(--ink-dim); }
.term-out a { color: var(--accent-2); }
.term-in { display: flex; gap: 8px; padding: 6px 12px 10px; color: var(--accent); }
.term-in input { flex: 1; background: none; border: 0; color: var(--ink); font: inherit; outline: none; }

/* ---------- small screens ---------- */
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 24px; }
  .unit { grid-template-columns: 26px 12px minmax(0, 1fr) auto; }
  .unit .badge { grid-row: 1; grid-column: 4; }
  .unit .desc { grid-row: 2; grid-column: 3 / -1; font-size: 13px; }
  .unit::after { display: none; }
  .rack { --rail: 14px; }
  .top nav { gap: 12px; }
}

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