:root {
  color-scheme: dark;
  --bg: #06080d;
  --bg-2: #0a0f18;
  --panel: rgba(11, 18, 28, 0.82);
  --panel-strong: rgba(13, 24, 38, 0.94);
  --stroke: rgba(136, 190, 255, 0.17);
  --stroke-strong: rgba(136, 190, 255, 0.35);
  --text: #eaf4ff;
  --muted: #8da2b7;
  --cyan: #69f4ff;
  --blue: #5ba7ff;
  --green: #5dffb1;
  --amber: #ffc861;
  --red: #ff667d;
  --violet: #aa80ff;
  --magenta: #ff7ad9;
  --shadow: 0 24px 80px rgba(0,0,0,.55);
  --radius: 8px;
  --radius-sm: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(41, 92, 165, .28), transparent 26%),
    radial-gradient(circle at 80% 0%, rgba(105, 244, 255, .12), transparent 26%),
    linear-gradient(135deg, #030407 0%, #080b11 45%, #070b13 100%);
  color: var(--text);
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 82%);
  opacity: .45;
}
button, input, textarea, select { font: inherit; }
button {
  border: 1px solid var(--stroke-strong);
  background: linear-gradient(180deg, rgba(105,244,255,.16), rgba(91,167,255,.08));
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
button:hover { transform: translateY(-1px); border-color: rgba(105,244,255,.75); }
button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.ghost-button { width: 100%; background: rgba(255,255,255,.04); margin-top: 10px; }
.danger-button { width: 100%; background: rgba(255,102,125,.12); border-color: rgba(255,102,125,.3); margin-top: 8px; }
.app-shell { display: grid; grid-template-columns: 310px minmax(0,1fr); min-height: 100vh; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px;
  background: linear-gradient(180deg, rgba(9, 14, 23, .92), rgba(6, 8, 13, .96));
  border-right: 1px solid var(--stroke);
  overflow-y: auto;
  backdrop-filter: blur(22px);
}
.brand-block { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.orbital-mark {
  position: relative;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(105,244,255,.55);
  box-shadow: 0 0 34px rgba(105,244,255,.18), inset 0 0 28px rgba(105,244,255,.08);
}
.orbital-mark::after {
  content: "";
  position: absolute;
  inset: 17px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}
.orbital-mark span { position: absolute; border: 1px solid rgba(105,244,255,.35); border-radius: 50%; inset: 7px; transform: rotate(28deg) skewX(22deg); }
.orbital-mark span:nth-child(2) { transform: rotate(96deg) skewX(26deg); }
.orbital-mark span:nth-child(3) { transform: rotate(150deg) skewX(18deg); }
.eyebrow { margin: 0 0 6px; color: var(--cyan); text-transform: uppercase; font-size: 11px; letter-spacing: .16em; font-weight: 700; }
h1, h2, h3 { margin: 0; line-height: 1.1; }
h1 { font-size: 20px; }
h2 { font-size: 28px; }
h3 { font-size: 19px; }
.status-strip, .session-card, .legend-card, .panel, .metric-card {
  border: 1px solid var(--stroke);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.status-strip { padding: 14px; margin-bottom: 18px; }
.status-strip div { display:flex; align-items:center; gap: 8px; }
.status-strip small { color: var(--muted); display: block; margin-top: 6px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; display:inline-block; }
.status-dot.online { background: var(--green); box-shadow: 0 0 14px var(--green); }
.nav-stack { display: grid; gap: 8px; margin: 20px 0; }
.nav-stack a { color: var(--muted); text-decoration: none; padding: 11px 12px; border: 1px solid transparent; border-radius: 12px; }
.nav-stack a.active, .nav-stack a:hover { color: var(--text); border-color: var(--stroke); background: rgba(255,255,255,.04); }
.session-card, .legend-card { padding: 16px; margin-top: 18px; }
.session-card h2, .legend-card h2 { font-size: 14px; margin-bottom: 12px; }
dl { margin: 0; display: grid; gap: 8px; }
dl div { display: grid; grid-template-columns: 72px 1fr; gap: 8px; align-items: center; }
dt { color: var(--muted); font-size: 12px; }
dd { margin: 0; font-size: 11px; word-break: break-all; color: #c9e8ff; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.legend-row { display: flex; align-items: center; gap: 8px; color: var(--muted); margin: 9px 0; }
.legend-dot { width: 10px; height: 10px; display:inline-block; border-radius: 50%; }
.legend-dot.sensor { background: var(--cyan); }
.legend-dot.track { background: var(--amber); }
.legend-dot.asset { background: var(--green); }
.legend-dot.degraded { background: var(--red); }
.legend-dot.corridor { background: var(--magenta); }
.workspace { padding: 24px; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
.topbar-actions { display:flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.topbar-actions.compact button { padding: 8px 12px; font-size: 13px; }
.disclaimer-banner { border: 1px solid rgba(255,200,97,.28); background: rgba(255,200,97,.08); color: #ffe8b5; border-radius: 16px; padding: 13px 16px; margin-bottom: 16px; }
.grid-main { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(390px, .75fr); gap: 16px; }
.panel { padding: 16px; }
.panel-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.chip-row { display:flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.chip, .severity { border: 1px solid var(--stroke); background: rgba(255,255,255,.04); color: #cbeeff; border-radius: 999px; padding: 7px 10px; font-size: 12px; white-space: nowrap; }
.severity.low { color: var(--green); border-color: rgba(93,255,177,.4); }
.severity.medium { color: var(--amber); border-color: rgba(255,200,97,.4); }
.severity.high, .severity.critical { color: var(--red); border-color: rgba(255,102,125,.4); }
.map-panel { min-height: 590px; }
.map-wrap { position: relative; border-radius: 18px; overflow: hidden; border: 1px solid rgba(105,244,255,.16); background: #03060a; }
#missionCanvas { display:block; width:100%; height: min(62vh, 720px); min-height: 520px; background: radial-gradient(circle at center, rgba(91,167,255,.08), transparent 62%); }
.map-overlay { position: absolute; border: 1px solid rgba(105,244,255,.18); background: rgba(4,9,14,.74); backdrop-filter: blur(14px); color: var(--muted); border-radius: 14px; padding: 10px 12px; display: grid; gap: 4px; font-size: 12px; }
.map-overlay strong { color: var(--text); }
.top-left { top: 12px; left: 12px; }
.bottom-right { right: 12px; bottom: 12px; }
.event-summary { color: #c8d7e8; line-height: 1.55; }
.event-meta-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 12px;
}
.event-meta-row span {
  border-left: 2px solid rgba(105,244,255,.45);
  padding-left: 9px;
}
.prompt-box { padding: 14px; border: 1px solid var(--stroke); background: rgba(105,244,255,.05); border-radius: 16px; color: #e7f7ff; line-height: 1.55; }
.choices { display: grid; gap: 10px; margin-top: 14px; }
.choice { text-align: left; border-radius: 16px; background: rgba(255,255,255,.04); display: grid; grid-template-columns: 42px 1fr; gap: 10px; align-items: start; padding: 12px; border-color: rgba(255,255,255,.1); }
.choice-letter { display:grid; place-items:center; width: 32px; height:32px; border-radius: 10px; background: rgba(105,244,255,.1); color: var(--cyan); font-weight: 800; }
.choice.correct { border-color: rgba(93,255,177,.75); background: rgba(93,255,177,.08); }
.choice.wrong { border-color: rgba(255,102,125,.65); background: rgba(255,102,125,.08); }
.rationale { border: 1px solid rgba(93,255,177,.3); background: rgba(93,255,177,.07); border-radius: 16px; padding: 12px; margin-top: 14px; color: #d7ffe9; line-height: 1.45; }
.coach-box {
  border: 1px solid rgba(255,200,97,.34);
  background: rgba(255,200,97,.08);
  border-radius: 8px;
  padding: 12px;
  margin-top: 10px;
  color: #ffe8b5;
  line-height: 1.45;
}
.training-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
  gap: 16px;
  margin: 16px 0;
}
.bank-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 10px;
}
.bank-stats div, .coach-item {
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.04);
  border-radius: 8px;
  padding: 10px;
}
.bank-stats strong {
  display: block;
  font-size: 24px;
  margin-bottom: 3px;
}
.bank-stats span, .coach-meter span {
  color: var(--muted);
  font-size: 12px;
}
.domain-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.domain-chip {
  border: 1px solid rgba(105,244,255,.2);
  background: rgba(105,244,255,.06);
  color: #d6faff;
  border-radius: 8px;
  padding: 7px 9px;
  font-size: 12px;
}
.coach-meter {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}
.coach-list { display: grid; gap: 8px; }
.metric-grid { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 12px; margin: 16px 0; }
.metric-card { padding: 14px; box-shadow: none; background: rgba(12,20,31,.78); }
.metric-card span { display:block; color: var(--muted); font-size: 12px; min-height: 32px; }
.metric-card strong { font-size: 30px; display:block; margin: 6px 0; }
.bar { height: 7px; background: rgba(255,255,255,.08); border-radius: 999px; overflow:hidden; }
.bar i { display:block; height: 100%; width: 50%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width .24s ease; }
.pressure .bar i { background: linear-gradient(90deg, var(--amber), var(--red)); }
.lower-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.node-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.node-card, .track-card, .queue-card, .timeline-item, .custom-item { border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); border-radius: 8px; padding: 12px; }
.node-card strong, .track-card strong, .queue-card strong { display:block; margin-bottom: 5px; }
.node-card small, .track-card small, .queue-card small { color: var(--muted); line-height: 1.4; }
.node-health { height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); overflow:hidden; margin-top: 10px; }
.node-health i { display:block; height:100%; background: var(--green); width: 80%; }
.node-card.degraded .node-health i { background: var(--red); }
.track-list, .queue-list { display:grid; gap: 10px; max-height: 360px; overflow:auto; padding-right: 4px; }
.track-card { display:grid; grid-template-columns: 1fr auto; gap: 10px; }
.track-meta { color: var(--muted); font-size: 12px; }
.timeline-panel { margin-top: 16px; }
.timeline { display:grid; gap: 10px; max-height: 420px; overflow:auto; }
.timeline-item { display:grid; grid-template-columns: 85px 1fr auto; gap: 12px; align-items:start; }
.timeline-time { color: var(--cyan); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.timeline-title { margin: 0; }
.timeline-outcome { color: var(--muted); font-size: 12px; }
.scenario-lab, .aar-panel { margin-top: 16px; }
.lab-grid { display:grid; grid-template-columns: 1.4fr .8fr; gap: 16px; }
.scenario-form { display:grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 12px; }
label { display:grid; gap: 6px; color: var(--muted); font-size: 12px; }
label.wide { grid-column: span 6; }
input, textarea, select { width:100%; border: 1px solid var(--stroke); border-radius: 12px; color: var(--text); background: rgba(0,0,0,.24); padding: 10px; outline: none; }
textarea { resize: vertical; }
.import-box { display:grid; gap: 10px; align-content: start; }
.custom-list { display:grid; gap: 8px; max-height: 340px; overflow:auto; }
.custom-item { display:grid; gap: 6px; }
.custom-item button { justify-self: start; padding: 6px 10px; }
pre { margin: 0; white-space: pre-wrap; color: #d9eaff; line-height: 1.5; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  border: 1px solid var(--stroke-strong);
  background: rgba(6,10,16,.92);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 16px;
  box-shadow: var(--shadow);
  z-index: 20;
}
@media (max-width: 1180px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .grid-main, .lower-grid, .lab-grid { grid-template-columns: 1fr; }
  .training-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (max-width: 720px) {
  .workspace, .sidebar { padding: 14px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bank-stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .scenario-form { grid-template-columns: 1fr; }
  label.wide { grid-column: auto; }
  .timeline-item { grid-template-columns: 1fr; }
}