/* dstarutah.org -- community D-STAR resource for Utah
   CRT / packet-radio terminal theme */

:root {
  --bg: #0c0a06;
  --bg-soft: #110d07;
  --amber: #ffb84d;
  --amber-dim: #c98a2e;
  --amber-faint: #7a5417;
  --green: #6fff6f;
  --green-dim: #3fbf3f;
  --red: #ff5050;
  --warn: #ffd84d;
  --mono: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; background: var(--bg); }

body {
  font-family: var(--mono);
  color: var(--amber);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  text-shadow: 0 0 1px rgba(255,184,77,0.2);
}

/* scanlines */
body::before {
  content: "";
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.10) 3px,
    rgba(0,0,0,0.10) 3px
  );
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: multiply;
}

/* CRT vignette */
body::after {
  content: "";
  position: fixed; inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 55%, rgba(0,0,0,0.5) 100%);
  pointer-events: none;
  z-index: 3;
}

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

/* layout */
.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
  position: relative;
  z-index: 1;
}

/* topline */
.topline {
  color: var(--amber-dim);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px dashed var(--amber-faint);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.topline a { color: var(--amber); text-decoration: none; }
.topline a:hover { color: var(--green); }
.blink {
  display: inline-block;
  color: var(--green);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* nav */
nav.crt {
  margin: 0 0 1.75rem;
  font-size: 0.92rem;
  color: var(--amber-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.4rem;
}
nav.crt a {
  color: var(--amber);
  text-decoration: none;
  padding: 0.05rem 0.35rem;
  white-space: nowrap;
}
nav.crt a:hover {
  background: var(--amber);
  color: var(--bg);
  text-shadow: none;
}
nav.crt a.active {
  background: var(--green);
  color: var(--bg);
  text-shadow: none;
}

/* headings */
h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin: 1rem 0 0.4rem;
  letter-spacing: 0.06em;
  line-height: 1.05;
  color: var(--amber);
}
h1 .cursor {
  display: inline-block;
  width: 0.55em;
  height: 0.9em;
  background: var(--amber);
  margin-left: 0.18em;
  vertical-align: -0.08em;
  animation: blink 1.1s steps(1) infinite;
  box-shadow: 0 0 3px rgba(255,184,77,0.4);
}

h2 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber-dim);
  margin: 2.5rem 0 1rem;
}
h2::before { content: ">>"; color: var(--green); flex: 0 0 auto; }
h2::after {
  content: "";
  flex: 1;
  border-bottom: 1px dotted var(--amber-faint);
  margin-bottom: 0.25em;
}

h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.04em;
  margin: 1.5rem 0 0.4rem;
}

.lede {
  color: var(--amber-dim);
  margin: 0 0 1.5rem;
  font-size: 1rem;
  max-width: 70ch;
}
.lede::before { content: "// "; color: var(--green); }

p { margin: 0.55rem 0 0.85rem; max-width: 72ch; }

em { font-style: normal; color: var(--green); }
strong { color: var(--amber); font-weight: 700; }

/* links */
a { color: var(--amber); text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 0.18em; }
a:hover { color: var(--green); text-decoration-style: solid; }

/* lists */
ul.tight, ol.tight { list-style: none; padding: 0; margin: 0.5rem 0 1rem; max-width: 72ch; }
ul.tight li, ol.tight li {
  padding-left: 1.5rem;
  position: relative;
  margin: 0.2rem 0;
}
ul.tight li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}
ol.tight { counter-reset: olc; }
ol.tight li { counter-increment: olc; }
ol.tight li::before {
  content: "[" counter(olc) "]";
  color: var(--amber-dim);
  font-size: 0.85rem;
  left: -0.2rem;
}

/* code */
code, kbd, .mono {
  font-family: var(--mono);
  background: rgba(255,184,77,0.08);
  padding: 0.05em 0.35em;
  color: var(--green);
}
pre {
  background: rgba(255,184,77,0.06);
  border: 1px solid var(--amber-faint);
  padding: 0.75rem 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--amber);
  margin: 0.75rem 0 1rem;
}
pre code { background: transparent; padding: 0; color: var(--amber); }

/* ASCII art logo block */
.asciilogo {
  color: var(--amber-faint);
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.1;
  margin: 0.5rem 0 1rem;
  white-space: pre;
  overflow-x: auto;
}

/* notice / disclaimer */
.notice {
  border: 1px dashed var(--amber-dim);
  padding: 0.85rem 1rem;
  margin: 1.25rem 0;
  font-size: 0.93rem;
  color: var(--amber-dim);
}
.notice::before {
  content: "[!] ";
  color: var(--warn);
  font-weight: 700;
}
.notice strong { color: var(--amber); }
.notice a { color: var(--amber); }

/* system cards (featured repeater) */
.system {
  border: 1px solid var(--amber-dim);
  padding: 1.5rem 1.1rem 0.95rem;
  margin: 1.5rem 0;
  position: relative;
  background: rgba(255,184,77,0.015);
}
.system .system-label {
  position: absolute;
  top: -0.7em;
  left: 0.7rem;
  padding: 0 0.55rem;
  background: var(--bg);
  color: var(--green);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  margin: 0;
}
.system .system-label::before { content: "[ "; color: var(--amber-dim); }
.system .system-label::after  { content: " ]"; color: var(--amber-dim); }
.system .system-stat {
  position: absolute;
  top: -0.7em;
  right: 0.8rem;
  padding: 0 0.55rem;
  background: var(--bg);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
}
.system .system-stat.on      { color: var(--green); }
.system .system-stat.off     { color: var(--red); }
.system .system-stat.unknown { color: var(--warn); }
.system .system-stat::before { content: "« "; opacity: 0.6; }
.system .system-stat::after  { content: " »"; opacity: 0.6; }
.system .system-sub {
  display: block;
  color: var(--amber-dim);
  font-size: 0.85rem;
  margin: 0 0 0.85rem;
  font-weight: 400;
}

/* spec list */
dl.spec {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 0.2rem 1rem;
  margin: 0;
  font-size: 0.9rem;
}
dl.spec dt {
  color: var(--amber-dim);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
dl.spec dd {
  margin: 0;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
dl.spec dd a { color: var(--green); }
.rf-only { color: var(--warn); font-weight: 700; }

/* cards (home grid) */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.6rem;
  margin: 1.25rem 0 1.5rem;
}
.card {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--amber-faint);
  color: var(--amber);
  text-decoration: none;
  background: rgba(255,184,77,0.015);
}
.card:hover {
  border-color: var(--green);
  background: rgba(111,255,111,0.04);
}
.card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  color: var(--green);
  letter-spacing: 0.05em;
}
.card h3::before { content: "[ "; color: var(--amber-dim); }
.card h3::after  { content: " ] ›"; color: var(--amber-dim); }
.card p { margin: 0; color: var(--amber-dim); font-size: 0.88rem; max-width: none; }

/* tables */
.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
  border: 1px solid var(--amber-faint);
}
table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.88rem;
  background: rgba(255,184,77,0.015);
}
th, td {
  padding: 0.35rem 0.75rem;
  text-align: left;
  border-bottom: 1px dotted var(--amber-faint);
  vertical-align: top;
}
th {
  color: var(--amber-dim);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  border-bottom: 1px solid var(--amber-faint);
  font-weight: 700;
  white-space: nowrap;
}
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(255,184,77,0.05); }

.callsign { color: var(--green); font-weight: 700; }
.callsign a,
.system .system-label a {
  color: inherit;
  text-decoration: none;
}
.callsign a:hover,
.system .system-label a:hover {
  color: var(--amber);
  text-decoration: underline;
  text-decoration-style: dotted;
}
.freq { font-variant-numeric: tabular-nums; white-space: nowrap; }

/* status badges in tables */
.badge {
  display: inline-block;
  padding: 0 0.45rem;
  border: 1px solid currentColor;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  white-space: nowrap;
}
.badge.on      { color: var(--green); }
.badge.off     { color: var(--red); }
.badge.unknown { color: var(--warn); }

/* footer */
footer.crt {
  color: var(--amber-faint);
  font-size: 0.8rem;
  margin-top: 3rem;
  border-top: 1px dashed var(--amber-faint);
  padding-top: 0.75rem;
}
footer.crt a { color: var(--amber-dim); }
footer.crt a:hover { color: var(--amber); }
footer.crt p { margin: 0.35rem 0; max-width: none; }
footer.crt strong { color: var(--amber); }

/* responsive */
@media (max-width: 620px) {
  body { font-size: 14px; }
  h1 { font-size: 1.7rem; }
  h2 { font-size: 0.85rem; }
  .wrap { padding: 1rem 1rem 3rem; }
  dl.spec { grid-template-columns: 7rem 1fr; }
  .asciilogo { font-size: 0.6rem; }
  nav.crt { gap: 0.05rem 0.2rem; font-size: 0.85rem; }
  .topline { font-size: 0.72rem; }
  .system { padding: 1.4rem 0.9rem 0.85rem; }
}

@media (prefers-reduced-motion: reduce) {
  .blink, h1 .cursor { animation: none; }
}