/* VT340 / LK201 Terminal Aesthetic — magesofthemill.space
   Amber default, .green class on <body> swaps palette.
   Mobile-first, scales up to PC. */

:root {
  --bg: #0a0500;
  --fg: #ffb000;
  --fg-dim: #b87a00;
  --fg-bright: #ffd97a;
  --accent: #ff7a00;
  --warn: #ff3b3b;
  --ok: #00d36b;
  --grid: rgba(255, 176, 0, 0.07);
  --scanline: rgba(0, 0, 0, 0.22);
  --glow: 0 0 2px var(--fg), 0 0 6px rgba(255, 176, 0, 0.55);
  --key-bg: #1a0e00;
  --key-edge: #3a1f00;
  --mono: "IBM Plex Mono", "JetBrains Mono", "Menlo", "Consolas", "Courier New", monospace;
}

body.green {
  --bg: #001008;
  --fg: #33ff66;
  --fg-dim: #1aaa44;
  --fg-bright: #b6ffcc;
  --accent: #00ffaa;
  --warn: #ff5555;
  --ok: #b6ffcc;
  --grid: rgba(51, 255, 102, 0.07);
  --glow: 0 0 2px var(--fg), 0 0 6px rgba(51, 255, 102, 0.55);
  --key-bg: #00170c;
  --key-edge: #003a1c;
}

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

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.45;
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  text-shadow: var(--glow);
}

/* CRT chrome: scanlines + faint phosphor grid, fixed to viewport */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 2px,
      var(--scanline) 2px,
      var(--scanline) 3px
    );
  z-index: 9999;
  mix-blend-mode: multiply;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.55) 100%);
  z-index: 9998;
}

a { color: var(--fg-bright); text-decoration: none; }
a:hover, a:focus { color: var(--accent); text-decoration: underline; outline: none; }

::selection { background: var(--fg); color: var(--bg); text-shadow: none; }

/* Layout shell */
.shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 0.6rem 0.8rem 0;
  max-width: 980px;
  margin: 0 auto;
}

.statusbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  align-items: center;
  border-bottom: 1px solid var(--fg-dim);
  padding: 0.3rem 0 0.4rem;
  font-size: 0.85rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.statusbar .grow { flex: 1; }
.statusbar .ok { color: var(--ok); }
.statusbar .warn { color: var(--warn); }

.toggles { display: flex; gap: 0.4rem; }
.toggles button {
  background: var(--key-bg);
  color: var(--fg);
  border: 1px solid var(--fg-dim);
  font-family: inherit;
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.toggles button:hover { border-color: var(--fg); color: var(--fg-bright); }

.boot {
  margin: 1rem 0 1.2rem;
  font-size: 0.95rem;
}
.boot .line { display: block; }
.boot .ok { color: var(--ok); }
.boot .dim { color: var(--fg-dim); }

h1 {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 4.5vw, 2.1rem);
  letter-spacing: 0.04em;
  margin: 1rem 0 0.4rem;
  text-transform: uppercase;
}
h1::before { content: "▌ "; color: var(--accent); }

h2 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 1.4rem 0 0.4rem;
  border-bottom: 1px dashed var(--fg-dim);
  padding-bottom: 0.2rem;
}
h2::before { content: "── "; color: var(--fg-dim); }

p { margin: 0.5rem 0; }

ul, ol { padding-left: 1.4rem; margin: 0.4rem 0; }
li { margin: 0.2rem 0; }

dl { margin: 0.4rem 0; }
dl > div { display: flex; gap: 0.6rem; padding: 0.15rem 0; border-bottom: 1px dotted var(--fg-dim); }
dl dt { min-width: 9rem; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.85rem; }
dl dd { flex: 1; }

.content { flex: 1 0 auto; padding-bottom: 1.2rem; }

/* Cards / blocks */
.block {
  border: 1px solid var(--fg-dim);
  padding: 0.7rem 0.85rem;
  margin: 0.7rem 0;
  background: rgba(0,0,0,0.35);
}
.block.alert { border-color: var(--accent); }
.block.warn { border-color: var(--warn); }
.block .label {
  display: inline-block;
  background: var(--fg);
  color: var(--bg);
  padding: 0 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  margin-right: 0.5rem;
  text-shadow: none;
}
.block.alert .label { background: var(--accent); }
.block.warn .label { background: var(--warn); color: #fff; }

/* Menu (HUD) */
.menu { list-style: none; padding: 0; margin: 1rem 0; }
.menu li {
  border: 1px solid var(--fg-dim);
  margin: 0.4rem 0;
  background: rgba(0,0,0,0.35);
}
.menu a {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.7rem 0.9rem;
  color: var(--fg);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.menu a::before { content: "▶"; color: var(--accent); }
.menu a:hover, .menu a:focus { background: rgba(255,176,0,0.08); color: var(--fg-bright); text-decoration: none; }
body.green .menu a:hover, body.green .menu a:focus { background: rgba(51,255,102,0.08); }
.menu .name { flex: 1; font-weight: 700; }
.menu .desc { color: var(--fg-dim); font-size: 0.85rem; text-transform: none; letter-spacing: 0; }

/* Inline tags */
.tag {
  display: inline-block;
  border: 1px solid var(--fg-dim);
  padding: 0 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-left: 0.4rem;
  vertical-align: 0.05em;
}
.tag.verify { border-color: var(--accent); color: var(--accent); }
.tag.ok { border-color: var(--ok); color: var(--ok); }

/* Footer */
.footer {
  border-top: 1px solid var(--fg-dim);
  padding: 0.5rem 0;
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- Virtual VAX / LK201 keyboard ---------- */

.kbd {
  position: sticky;
  bottom: 0;
  background: var(--bg);
  border-top: 1px solid var(--fg-dim);
  padding: 0.5rem 0.4rem 0.6rem;
  margin-top: auto;
}

.kbd .kbd-rows {
  display: grid;
  gap: 0.3rem;
}

.kbd .row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 0.3rem;
}

.kbd .row.editing { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.kbd .row.fkeys   { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.kbd .row.arrows  { grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 16rem; margin: 0 auto; }

.key {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.4rem;
  padding: 0.25rem 0.3rem;
  background: var(--key-bg);
  color: var(--fg);
  border: 1px solid var(--key-edge);
  border-bottom-width: 3px;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: default;
  user-select: none;
  text-shadow: var(--glow);
}
.key:hover { border-color: var(--fg); color: var(--fg-bright); }
.key:active { transform: translateY(1px); border-bottom-width: 2px; }

.key.wide { grid-column: span 2; }
.key.do { color: var(--accent); border-color: var(--accent); }
.key.help { color: var(--fg-bright); border-color: var(--fg); }
.key.arrow { font-size: 1rem; }

.kbd .legend {
  font-size: 0.7rem;
  color: var(--fg-dim);
  text-align: center;
  padding-top: 0.3rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* PC/wide screens: roomier kbd, bigger type */
@media (min-width: 720px) {
  html, body { font-size: 16px; }
  .key { min-height: 2.7rem; font-size: 0.78rem; }
  .kbd { padding: 0.7rem 0.6rem 0.8rem; }
}

/* Very narrow: trim editing row to 3 columns x 2 rows feel */
@media (max-width: 380px) {
  .kbd .row.editing { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .kbd .row.fkeys   { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .key { font-size: 0.66rem; min-height: 2.2rem; }
  dl dt { min-width: 7rem; }
}

/* Print: drop the chrome, keep the content */
@media print {
  body::before, body::after, .kbd { display: none !important; }
  body { background: #fff; color: #000; text-shadow: none; }
  a { color: #000; text-decoration: underline; }
  .block { border-color: #000; background: #fff; }
}
