/* DIANA COA — Design Tokens
   Defense-grade dark ops aesthetic. Near-black canvas, restrained amber/cyan accents.
   Monospace for data, geometric sans for headings/UI. */

:root {
  /* Surfaces — dark navy blue */
  --bg-0: #070d1a;       /* deepest — canvas */
  --bg-1: #0c1422;       /* panel */
  --bg-2: #111c2e;       /* raised panel */
  --bg-3: #18253b;       /* hover / active */
  --bg-4: #1f2e47;       /* input / chip */

  /* Lines */
  --line-1: #1a263c;     /* subtle dividers */
  --line-2: #28344f;     /* default border */
  --line-3: #3a4a6a;     /* emphasized border */

  /* Text */
  --fg-0: #e7eef5;       /* primary text */
  --fg-1: #aab6c3;       /* secondary */
  --fg-2: #6c7886;       /* tertiary / labels */
  --fg-3: #485361;       /* muted */

  /* Accents */
  --amber: #f5a524;      /* warning / active sim */
  --amber-soft: rgba(245,165,36,0.14);
  --cyan: #4fd1d9;       /* primary highlight / friendly */
  --cyan-soft: rgba(79,209,217,0.12);
  --red: #ef5455;        /* hostile / risk-high */
  --red-soft: rgba(239,84,85,0.14);
  --green: #4ade80;      /* nominal / risk-low */
  --green-soft: rgba(74,222,128,0.12);
  --violet: #a78bfa;     /* COA C / tertiary */
  --violet-soft: rgba(167,139,250,0.14);

  /* COA palette */
  --coa-a: #4fd1d9;
  --coa-b: #f5a524;
  --coa-c: #a78bfa;

  /* Typography */
  --font-sans: "Inter Tight", "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Radii */
  --r-1: 2px;
  --r-2: 4px;
  --r-3: 6px;
  --r-4: 10px;

  /* Shadows */
  --shadow-1: 0 1px 0 rgba(255,255,255,0.02) inset, 0 1px 2px rgba(0,0,0,0.4);
  --shadow-2: 0 1px 0 rgba(255,255,255,0.03) inset, 0 8px 24px rgba(0,0,0,0.5);
  --glow-cyan: 0 0 0 1px rgba(79,209,217,0.4), 0 0 18px rgba(79,209,217,0.18);
  --glow-amber: 0 0 0 1px rgba(245,165,36,0.45), 0 0 18px rgba(245,165,36,0.2);
}

/* Base */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--fg-0);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}

/* Reusable atoms */
.mono { font-family: var(--font-mono); font-feature-settings: "zero", "cv01"; }
.uppercase { text-transform: uppercase; letter-spacing: 0.08em; }
.label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-1);
  background: var(--bg-2);
  color: var(--fg-1);
}

.panel {
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-3);
}
.panel-h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-1);
}
.panel-h .title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-1);
}

.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.dot-pulse {
  position: relative;
}
.dot-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid currentColor;
  opacity: 0.6;
  animation: pulse 1.6s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Scrollbars (subtle) */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* Crosshatch / grid for map backgrounds */
.grid-bg {
  background-image:
    linear-gradient(rgba(79,209,217,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,209,217,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.grid-bg-fine {
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--line-2);
  border-radius: var(--r-1);
  background: var(--bg-2);
  color: var(--fg-1);
  white-space: nowrap;
}
.chip.cyan   { color: var(--cyan);   border-color: rgba(79,209,217,0.35);  background: var(--cyan-soft); }
.chip.amber  { color: var(--amber);  border-color: rgba(245,165,36,0.35);  background: var(--amber-soft); }
.chip.red    { color: var(--red);    border-color: rgba(239,84,85,0.35);   background: var(--red-soft); }
.chip.green  { color: var(--green);  border-color: rgba(74,222,128,0.35);  background: var(--green-soft); }
.chip.violet { color: var(--violet); border-color: rgba(167,139,250,0.4);  background: var(--violet-soft); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  color: var(--fg-0);
  border-radius: var(--r-2);
  cursor: pointer;
  transition: all 0.12s ease;
}
.btn:hover { background: var(--bg-3); border-color: var(--line-3); }
.btn.primary {
  background: var(--cyan-soft);
  border-color: rgba(79,209,217,0.5);
  color: var(--cyan);
}
.btn.primary:hover { background: rgba(79,209,217,0.2); }
.btn.ghost { background: transparent; }

/* Top app chrome — used by the main mock */
.appbar {
  height: 44px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 14px;
  border-bottom: 1px solid var(--line-2);
  background: linear-gradient(180deg, #0d1218, #0a0e13);
}
.appbar .brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-1);
}
.appbar .brand .logo {
  width: 18px; height: 18px;
  border: 1px solid var(--cyan);
  position: relative;
}
.appbar .brand .logo::before, .appbar .brand .logo::after {
  content: ''; position: absolute; background: var(--cyan);
}
.appbar .brand .logo::before { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.appbar .brand .logo::after  { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }

.appbar .crumbs {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-2);
}
.appbar .crumbs .sep { color: var(--fg-3); }
.appbar .crumbs .here { color: var(--fg-0); }
.appbar .spacer { flex: 1; }
.appbar .meta {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-2);
}
.appbar .meta .v { color: var(--fg-1); }