/* ==========================================================================
   RAMPART - Physical Security Field Kit
   Shared design system. Linked by every instrument in the kit.
   Visual language: stencilled equipment case. Gunmetal + cream + rust,
   with semantic risk colors. Drafting hairlines, instrument-panel chrome.
   ========================================================================== */

/* ---- Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Saira+Condensed:wght@500;600;700;800&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ---- Tokens ---- */
:root {
  /* surfaces */
  --ink:    #15191c;   /* base background, cold gunmetal */
  --panel:  #1d2327;   /* raised surface */
  --plate:  #262d33;   /* inset compartment */
  --line:   #38434a;   /* hairline rule */
  --line-2: #4c5a63;   /* emphasis rule */

  /* text */
  --cream:  #e9e3d5;   /* primary, warm drafting white */
  --mute:   #9a948a;   /* secondary */
  --faint:  #6c6c66;   /* tertiary / captions */

  /* brand + semantics */
  --rust:    #c25b3a;  /* brand accent */
  --rust-dk: #9c462b;
  --amber:   #d99a3c;  /* caution / weak rating */
  --crimson: #bb453a;  /* critical rating */
  --olive:   #84955f;  /* secure / strong rating */
  --steel:   #6d8a98;  /* blueprint hairline accent */

  /* type */
  --display: 'Saira Condensed', 'Arial Narrow', sans-serif;
  --body:    'IBM Plex Sans', system-ui, sans-serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;

  /* metrics */
  --maxw: 1100px;
  --rad: 3px;
  --gap: 22px;
}

/* ---- Reset / base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background-color: var(--ink);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: -1px -1px;
  color: var(--cream);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.01em;
}
body::before {
  /* darken the grid so it reads as a faint drafting underlay */
  content: "";
  position: fixed; inset: 0;
  background: radial-gradient(120% 90% at 50% -10%, rgba(194,91,58,0.06), transparent 60%),
              linear-gradient(180deg, rgba(21,25,28,0.86), rgba(21,25,28,0.97));
  pointer-events: none; z-index: 0;
}
.wrap { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

a { color: var(--rust); text-decoration: none; }
a:hover { color: var(--amber); }

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.05; margin: 0; }

/* ---- Caution band (kit signature) ---- */
.band {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.34em; text-transform: uppercase;
  color: #1a1a14;
  background: repeating-linear-gradient(
    -45deg, var(--amber) 0 18px, #15191c 18px 22px, var(--amber) 22px 40px, #15191c 40px 44px);
  padding: 7px 0;
  text-align: center;
  position: relative; z-index: 2;
}
.band span {
  background: var(--amber); padding: 3px 14px; border-radius: 1px;
  box-shadow: 0 0 0 4px var(--amber);
}

/* ---- Kit / page header ---- */
.masthead { border-bottom: 1px solid var(--line); padding: 30px 0 26px; }
.crumbs {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--mute); margin-bottom: 18px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.crumbs a { color: var(--mute); }
.crumbs a:hover { color: var(--rust); }
.crumbs .sep { color: var(--faint); }

.kit-title {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
}
.kit-title .name {
  font-size: clamp(40px, 8vw, 78px); font-weight: 800;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--cream);
}
.kit-title .no {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.2em;
  color: var(--rust); border: 1px solid var(--rust-dk); padding: 4px 9px;
  border-radius: 2px; align-self: center;
}
.kit-sub {
  font-family: var(--display); font-weight: 600; font-size: clamp(15px,2.4vw,19px);
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--mute); margin-top: 8px;
}
.kit-lede { max-width: 60ch; color: var(--mute); margin-top: 16px; font-size: 15.5px; }

/* ---- Section scaffolding ---- */
.section { padding: 34px 0; border-bottom: 1px solid var(--line); }
.eyebrow {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--steel); margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::after { content:""; flex:1; height:1px; background: var(--line); }
.h-sec { font-size: clamp(24px,4vw,34px); text-transform: uppercase; letter-spacing: 0.03em; }

/* ---- Compartment cards (portal) ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: var(--gap); }
.compartment {
  position: relative; display: block; background: var(--plate);
  border: 1px solid var(--line-2); border-radius: var(--rad);
  padding: 22px 20px 20px; overflow: hidden;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.compartment::after { /* hazard corner */
  content: ""; position: absolute; top: -20px; right: -20px; width: 40px; height: 40px;
  background: repeating-linear-gradient(-45deg, var(--amber) 0 6px, #15191c 6px 9px);
  transform: rotate(0deg); opacity: .5;
}
.compartment:hover { transform: translateY(-3px); border-color: var(--rust); background: #2a3137; }
.compartment.is-planned { opacity: .62; }
.compartment.is-planned:hover { transform: none; border-color: var(--line-2); background: var(--plate); cursor: default; }
.compartment .idx {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; color: var(--rust);
}
.compartment .cname {
  font-family: var(--display); font-weight: 800; font-size: 30px; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--cream); margin: 4px 0 8px;
}
.compartment .cfn { color: var(--mute); font-size: 14px; min-height: 2.8em; }
.status {
  display: inline-block; margin-top: 14px; font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 2px;
}
.status.live { color: var(--olive); border: 1px solid var(--olive); }
.status.planned { color: var(--faint); border: 1px solid var(--line-2); }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 2px; flex-wrap: wrap; margin: 4px 0 28px; border-bottom: 1px solid var(--line); }
.tab {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mute); background: none; border: 0; border-bottom: 2px solid transparent;
  padding: 11px 16px; cursor: pointer;
}
.tab:hover { color: var(--cream); }
.tab[aria-selected="true"] { color: var(--rust); border-bottom-color: var(--rust); }
.panel { display: none; }
.panel.active { display: block; animation: fade .24s ease both; }

/* ---- Cards / panels ---- */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--rad);
  padding: 22px;
}
.card + .card { margin-top: 18px; }
.card h3 { font-size: 21px; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 6px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 720px){ .two-col { grid-template-columns: 1fr; } }

.note {
  border-left: 3px solid var(--steel); background: rgba(109,138,152,0.07);
  padding: 12px 16px; margin: 16px 0; font-size: 14.5px; color: var(--mute); border-radius: 0 2px 2px 0;
}
.note.warn { border-left-color: var(--amber); background: rgba(217,154,60,0.08); }

/* ---- Tables ---- */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--steel); font-weight: 500;
}
.tbl tbody tr:hover { background: rgba(255,255,255,0.02); }
.tbl td.mono, .tbl th.mono { font-family: var(--mono); }

/* ---- Risk pills ---- */
.pill {
  display: inline-block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 2px; white-space: nowrap;
}
.pill.crit   { color: var(--crimson); border: 1px solid var(--crimson); background: rgba(187,69,58,0.10); }
.pill.weak   { color: var(--amber);   border: 1px solid var(--amber);   background: rgba(217,154,60,0.10); }
.pill.strong { color: var(--olive);   border: 1px solid var(--olive);   background: rgba(132,149,95,0.10); }
.pill.info   { color: var(--steel);   border: 1px solid var(--steel);   background: rgba(109,138,152,0.10); }

/* ---- Forms / controls ---- */
label.fld { display: block; margin-bottom: 12px; }
label.fld span {
  display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mute); margin-bottom: 5px;
}
input, select, textarea {
  width: 100%; background: var(--ink); color: var(--cream);
  border: 1px solid var(--line-2); border-radius: 2px; padding: 9px 11px;
  font-family: var(--body); font-size: 14.5px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--rust); outline-offset: 1px; border-color: var(--rust); }
textarea { min-height: 72px; resize: vertical; }

.btn {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  background: var(--rust); color: #181210; border: 1px solid var(--rust);
  padding: 9px 16px; border-radius: 2px; cursor: pointer; font-weight: 600;
  transition: background .14s ease;
}
.btn:hover { background: var(--amber); border-color: var(--amber); }
.btn.ghost { background: none; color: var(--cream); border-color: var(--line-2); }
.btn.ghost:hover { border-color: var(--rust); color: var(--rust); background: none; }
.btn.sm { padding: 5px 10px; font-size: 11px; }
.row-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }

/* ---- Empty state ---- */
.empty {
  border: 1px dashed var(--line-2); border-radius: var(--rad); padding: 30px 20px;
  text-align: center; color: var(--faint); font-size: 14px;
}

/* ---- Footer ---- */
.foot {
  padding: 30px 0 48px; color: var(--faint); font-family: var(--mono);
  font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ---- Diagram helpers ---- */
.svg-wrap { background: var(--ink); border: 1px solid var(--line); border-radius: var(--rad); padding: 18px; }
.svg-wrap svg { width: 100%; height: auto; display: block; }

/* ---- Motion ---- */
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.rise { animation: fade .4s ease both; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---- Focus visibility floor ---- */
a:focus-visible, button:focus-visible, .compartment:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 2px;
}