:root {
  --bg: #0b0f14;
  --pan: #121821;
  --ln: #1f2937;
  --fg: #e5eaf0;
  --dim: #8b98a8;
  --ac: #4cc9f0;
  --ok: #5ddb8a;
  --warn: #f0a04c;
  --tag: #243044;
  --chip: #1a2330;
  --chip-on: #1e3a4a;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding:
    max(16px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
}
a { color: var(--ac); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 920px; margin: 0 auto; }

header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: baseline;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ln);
}
header .brand {
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ac);
  font-size: 1.2rem;
  text-transform: uppercase;
}
header .sub { color: var(--dim); font-size: .92rem; margin-top: 4px; }

h1 { font-size: 1.45rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin: 28px 0 10px; color: var(--ac); }
.lead { color: var(--dim); margin: 0 0 18px; }

.controls { margin-bottom: 18px; display: flex; flex-direction: column; gap: 12px; }
#q {
  width: 100%;
  background: var(--pan);
  border: 1px solid var(--ln);
  border-radius: 8px;
  color: var(--fg);
  padding: 10px 12px;
  font-size: 1rem;
}
#q:focus { outline: 2px solid var(--ac); outline-offset: 1px; border-color: var(--ac); }
#q::placeholder { color: var(--dim); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: var(--chip);
  color: var(--dim);
  border: 1px solid var(--ln);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: inherit;
}
.chip:hover { color: var(--fg); border-color: #334155; }
.chip.active {
  background: var(--chip-on);
  color: var(--ac);
  border-color: var(--ac);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.card {
  background: var(--pan);
  border: 1px solid var(--ln);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
}
.card.hidden { display: none; }
.card h2 { margin: 0; font-size: 1.05rem; color: var(--fg); }
.card p { margin: 0; color: var(--dim); font-size: .92rem; flex: 1; }
.card .go { font-size: .9rem; font-weight: 600; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  background: var(--tag);
  color: var(--dim);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.tag.tech-ATAK { color: var(--ac); }
.tag.tech-COTS { color: var(--ok); }
.tag.tech-script { color: #c77dff; }
.tag.tech-hardware { color: var(--warn); }
.difficulty {
  font-size: .78rem;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.empty { color: var(--dim); margin: 20px 0; }
.hidden { display: none !important; }

/* Instructable pages */
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  margin: 0 0 16px;
  color: var(--dim);
  font-size: .9rem;
}
.back { display: inline-block; margin-bottom: 12px; color: var(--dim); font-size: .9rem; }
.back:hover { color: var(--ac); }

.panel {
  background: var(--pan);
  border: 1px solid var(--ln);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 12px 0;
}
.panel ol, .panel ul { margin: 8px 0 0; padding-left: 1.25em; }
.panel li { margin: 8px 0; }
.panel h2 { margin-top: 0; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .86rem;
}
code {
  background: #0a0d12;
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--ln);
}
pre {
  background: #0a0d12;
  border: 1px solid var(--ln);
  border-radius: 8px;
  padding: 12px;
  overflow-x: auto;
  color: #c8d4e0;
}
.tip {
  border-left: 3px solid var(--ac);
  padding: 8px 12px;
  margin: 12px 0;
  background: rgba(76, 201, 240, .06);
  color: var(--dim);
}
.warn-box {
  border-left: 3px solid var(--warn);
  padding: 8px 12px;
  margin: 12px 0;
  background: rgba(240, 160, 76, .08);
  color: var(--dim);
}

footer {
  margin-top: 36px;
  padding-top: 14px;
  border-top: 1px solid var(--ln);
  color: var(--dim);
  font-size: .85rem;
}

@media (max-width: 520px) {
  h1 { font-size: 1.25rem; }
  .card { min-height: 0; }
}

footer.site-foot {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--ln);
  color: var(--dim);
  font-size: .88rem;
  line-height: 1.5;
}
.on-topic { margin: 0; }
.submit-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 18px;
}
.btn {
  display: inline-block;
  background: var(--chip-on);
  color: var(--ac);
  border: 1px solid var(--ac);
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { text-decoration: none; background: #24485a; }
.btn:disabled { opacity: .55; cursor: default; }
.improv-form { display: grid; gap: 14px; margin: 18px 0 28px; }
.improv-form .field { display: grid; gap: 6px; }
.improv-form label, .improv-form legend {
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--dim);
}
.improv-form input, .improv-form textarea {
  width: 100%;
  background: var(--pan);
  border: 1px solid var(--ln);
  border-radius: 8px;
  color: var(--fg);
  padding: 10px 12px;
  font: inherit;
}
.improv-form textarea { min-height: 7rem; resize: vertical; }
#i-body { min-height: 16rem; }
.improv-form input:focus, .improv-form textarea:focus {
  outline: 2px solid var(--ac);
  outline-offset: 1px;
  border-color: var(--ac);
}
.form-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.form-note { margin: 0; font-size: .8rem; color: var(--dim); text-transform: none; letter-spacing: 0; }
.tag-picks { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.tag-picks label {
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--fg);
  font-size: .9rem;
}
.form-foot { display: flex; gap: 12px; align-items: center; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.status {
  font-size: .9rem;
  padding: 10px 12px;
  border: 1px solid var(--ln);
  border-radius: 8px;
  background: var(--pan);
  color: var(--fg);
}
.status[data-kind="error"] { border-color: var(--warn); color: var(--warn); }
.status[data-kind="ok"] { border-color: var(--ok); color: var(--ok); }
.status[hidden] { display: none; }
.md h2, .md h3, .md h4 { margin: 0 0 8px; }
.md p { margin: 0 0 10px; }
.md ol, .md ul { margin: 0 0 10px; padding-left: 1.25em; }
.card.community { border-color: #2a4a3a; }
.turnstile-slot { min-height: 65px; }

footer.site-foot p { margin: 0 0 10px; }
footer.site-foot .dim, .dim { color: var(--dim); }
.video-tips { margin-top: 28px; }
.video-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  min-height: 8px;
}
.video-grid iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: 0;
  border-radius: 8px;
  background: #000;
}

.video-card h3 { font-size: 0.95rem; margin: 8px 0 2px; }
.video-card .video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}
.video-card iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}