:root {
  --bi-bg: #080b10;
  --bi-surface: #10151d;
  --bi-surface-raised: #171d27;
  --bi-surface-overlay: #1d2430;
  --bi-border: #40392e;
  --bi-border-subtle: #292b30;
  --bi-gold: #b6935a;
  --bi-gold-muted: #7f6948;
  --bi-text: #ddd7cb;
  --bi-text-muted: #959089;
  --bi-danger: #b44b4f;
  --bi-warning: #c9994e;
  --bi-defense: #557da6;
  --bi-aberrant: #8866b3;
  --bi-nav-height: 4.25rem;
}

html { background: var(--bi-bg); }

body {
  margin: 0;
  background:
    radial-gradient(circle at 70% 12%, rgba(85, 125, 166, 0.08), transparent 30rem),
    linear-gradient(160deg, #0c1017 0%, var(--bi-bg) 52%);
  color: var(--bi-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", sans-serif;
  font-size: 14px;
  min-width: 0;
}

button, summary { font: inherit; }
button { color: inherit; }

.bi3-campaign-shell { min-height: 100vh; min-width: 0; }

.bi3-campaign-header {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--bi-border-subtle);
  background: rgba(8, 11, 16, 0.96);
  padding: 0.75rem 0.85rem 0.65rem;
}

.bi3-header-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; }
.bi3-wordmark { display: flex; align-items: center; gap: 0.65rem; min-width: 0; }
.bi3-crest { color: var(--bi-gold); font-size: 1.6rem; }
.bi3-wordmark p, .bi3-section-heading p {
  margin: 0 0 0.15rem; color: var(--bi-gold-muted); font-size: 12px; font-weight: 700; letter-spacing: 0.12em;
}
.bi3-wordmark h1 { margin: 0; font-family: Georgia, "Yu Mincho", serif; font-size: 20px; line-height: 1.15; overflow-wrap: anywhere; }
.bi3-header-status { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0.4rem; min-width: 0; }
.bi3-header-status > span, .bi3-header-status > strong {
  border-left: 1px solid var(--bi-border-subtle); padding-left: 0.45rem; white-space: nowrap; font-size: 12px;
}
.bi3-header-status > strong { color: var(--bi-gold); font-size: 13px; }
.bi3-action-points { color: var(--bi-text); font-weight: 700; }
.bi3-notice-indicator { color: var(--bi-text-muted); }
.bi3-screen-action {
  min-height: 44px; border: 1px solid var(--bi-gold-muted); background: #2a2116; color: #eadbc2;
  border-radius: 0.25rem; padding: 0.55rem 0.8rem; cursor: pointer;
}
.bi3-screen-action:disabled { border-color: var(--bi-border-subtle); background: #14171d; color: var(--bi-text-muted); cursor: not-allowed; }

.bi3-phase-track { display: flex; list-style: none; margin: 0.65rem 0 0; padding: 0; gap: 0.2rem; }
.bi3-phase-track li { display: flex; align-items: center; gap: 0.3rem; min-width: 0; color: var(--bi-text-muted); font-size: 12px; flex: 1; }
.bi3-phase-track li::after { content: ""; height: 1px; flex: 1; background: var(--bi-border-subtle); }
.bi3-phase-track li:last-child::after { display: none; }
.bi3-phase-track li > span { width: 0.45rem; height: 0.45rem; border: 1px solid var(--bi-border); border-radius: 50%; flex: 0 0 auto; }
.bi3-phase-track .is-current { color: var(--bi-text); font-weight: 700; }
.bi3-phase-track .is-current > span { border-color: var(--bi-gold); background: var(--bi-gold); }
.bi3-phase-track .is-complete > span { border-color: var(--bi-defense); background: var(--bi-defense); }

.bi3-screen-host { display: block; min-width: 0; padding: 0.75rem 0.75rem calc(var(--bi-nav-height) + env(safe-area-inset-bottom) + 1rem); }
.bi3-frontier, .bi3-frontier-grid { min-width: 0; }
.bi3-frontier-grid { display: grid; gap: 0.75rem; }

.bi3-map-panel, .bi3-crisis-panel, .bi3-company-section, .bi3-notifications {
  min-width: 0; border: 1px solid var(--bi-border-subtle); background: rgba(16, 21, 29, 0.96); border-radius: 0.35rem;
}
.bi3-map-panel, .bi3-company-section, .bi3-notifications { padding: 0.75rem; }
.bi3-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 0.75rem; margin-bottom: 0.65rem; }
.bi3-section-heading h2 { margin: 0; font-family: Georgia, "Yu Mincho", serif; font-size: 17px; }
.bi3-section-heading > span { color: var(--bi-text-muted); font-size: 12px; }

.bi3-map {
  position: relative; overflow: hidden; min-height: 21rem; border: 1px solid var(--bi-border);
  background:
    linear-gradient(rgba(182, 147, 90, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(182, 147, 90, 0.04) 1px, transparent 1px),
    radial-gradient(ellipse at 48% 44%, rgba(85, 125, 166, 0.16), transparent 35%),
    #0b1118;
  background-size: 2rem 2rem, 2rem 2rem, auto, auto;
  border-radius: 0.25rem;
}
.bi3-map::before { content: ""; position: absolute; inset: 8% 6%; border: 1px solid rgba(182, 147, 90, 0.12); clip-path: polygon(5% 9%, 79% 0, 100% 45%, 88% 94%, 21% 100%, 0 58%); }
.bi3-routes { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.bi3-route { fill: none; stroke-width: 0.8; opacity: 0.8; }
.bi3-route.is-supply { stroke: var(--bi-defense); }
.bi3-route.is-predicted-horde { stroke: var(--bi-danger); stroke-dasharray: 3 2; }
.bi3-route.is-predicted-aberrant { stroke: var(--bi-aberrant); stroke-dasharray: 2 2; }

.bi3-map-node {
  position: absolute; left: var(--x); top: var(--y); translate: -50% -50%; display: grid; justify-items: center;
  min-width: 44px; min-height: 44px; max-width: 7.5rem; padding: 0.18rem; border: 0; background: transparent; cursor: pointer;
}
.bi3-node-emblem {
  display: grid; place-items: center; width: 2.35rem; height: 2.35rem; border: 1px solid var(--bi-border);
  background: #131922; color: var(--bi-text); border-radius: 50%; font-size: 1.1rem;
}
.bi3-map-node.is-fortress .bi3-node-emblem, .bi3-map-node.is-fort .bi3-node-emblem { border-radius: 0.2rem; border-color: var(--bi-defense); }
.bi3-map-node.is-settlement .bi3-node-emblem, .bi3-map-node.is-supply .bi3-node-emblem { border-radius: 0; rotate: 45deg; }
.bi3-map-node.is-settlement .bi3-node-emblem::first-letter, .bi3-map-node.is-supply .bi3-node-emblem::first-letter { rotate: -45deg; }
.bi3-map-node.is-horde .bi3-node-emblem, .bi3-map-node.is-aberrant .bi3-node-emblem { border-radius: 50% 50% 45% 10%; border-color: var(--bi-danger); color: #f0b6b6; }
.bi3-map-node.is-aberrant .bi3-node-emblem { border-color: var(--bi-aberrant); color: #c7b2df; }
.bi3-map-node.is-selected .bi3-node-emblem { outline: 2px solid var(--bi-gold); outline-offset: 3px; color: #f5dfb9; }
.bi3-node-label { display: grid; justify-items: center; margin-top: 0.25rem; padding: 0.15rem 0.25rem; background: rgba(8, 11, 16, 0.82); line-height: 1.2; }
.bi3-node-label strong { max-width: 7rem; font-size: 12px; overflow-wrap: anywhere; }
.bi3-node-label small { display: none; color: var(--bi-text-muted); font-size: 12px; }
.bi3-map-company { position: absolute; left: var(--x); top: var(--y); translate: -50% -50%; display: flex; gap: 0.15rem; color: #9ab8d6; font-size: 12px; pointer-events: none; }
.bi3-map-company span:last-child { display: none; }
.bi3-map-legend { display: flex; flex-wrap: wrap; gap: 0.35rem 0.8rem; list-style: none; margin: 0.55rem 0 0; padding: 0; color: var(--bi-text-muted); font-size: 12px; }
.bi3-map-legend li { display: flex; align-items: center; gap: 0.25rem; }
.bi3-map-legend .line { width: 1.2rem; border-top: 2px solid var(--bi-defense); }
.bi3-map-legend .line.threat { border-color: var(--bi-danger); border-top-style: dashed; }

.bi3-crisis-panel { position: relative; display: none; padding: 1rem; }
.bi3-crisis-panel.is-mobile-open, .bi3-crisis-panel.is-empty { display: block; }
.bi3-panel-close { position: absolute; top: 0.4rem; right: 0.4rem; width: 44px; height: 44px; border: 0; background: transparent; font-size: 1.5rem; cursor: pointer; }
.bi3-status { display: inline-block; margin: 0 0 0.4rem; padding: 0.2rem 0.45rem; border-left: 3px solid var(--bi-warning); color: var(--bi-warning); font-size: 12px; }
.bi3-status.is-critical { border-color: var(--bi-danger); color: #e18d90; }
.bi3-status.is-defense { border-color: var(--bi-defense); color: #91b4d6; }
.bi3-crisis-panel h2 { margin: 0; padding-right: 2.5rem; font-family: Georgia, "Yu Mincho", serif; font-size: 20px; overflow-wrap: anywhere; }
.bi3-node-type { margin: 0.25rem 0 0.8rem; color: var(--bi-text-muted); }
.bi3-risk { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--bi-border-subtle); padding-top: 0.65rem; }
.bi3-risk strong { color: #e18d90; font-size: 24px; }
.bi3-meter { height: 0.35rem; background: #252932; overflow: hidden; margin: 0.25rem 0 0.8rem; }
.bi3-meter > span { display: block; height: 100%; background: var(--bi-danger); }
.bi3-crisis-facts { display: grid; grid-template-columns: minmax(6.5rem, auto) 1fr; gap: 0.4rem 0.7rem; margin: 0; }
.bi3-crisis-facts dt { color: var(--bi-text-muted); }
.bi3-crisis-facts dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
.bi3-effect { border-left: 2px solid var(--bi-border); margin: 0.85rem 0; padding-left: 0.65rem; color: var(--bi-text-muted); }
.bi3-action-section h3 { margin: 1rem 0 0.55rem; font-size: 15px; }
.bi3-actions { display: grid; gap: 0.5rem; }
.bi3-action-card { display: grid; gap: 0.4rem; border: 1px solid var(--bi-border-subtle); padding: 0.65rem; background: var(--bi-surface-raised); }
.bi3-action-card > div { display: flex; justify-content: space-between; gap: 0.5rem; }
.bi3-action-card p { margin: 0; color: var(--bi-text-muted); font-size: 12px; }
.bi3-action-status { color: var(--bi-warning); font-size: 12px; }
.bi3-action-card > button { min-height: 44px; border: 1px solid var(--bi-border-subtle); background: #11151c; color: var(--bi-text-muted); }
.bi3-action-card > button:disabled { cursor: not-allowed; opacity: 0.78; }
.bi3-action-card details { color: var(--bi-text-muted); }
.bi3-action-card summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; color: var(--bi-text); }
.bi3-action-card dl { display: grid; grid-template-columns: 6rem 1fr; gap: 0.25rem 0.5rem; margin: 0; font-size: 12px; }
.bi3-action-card dd { margin: 0; overflow-wrap: anywhere; }

.bi3-company-section, .bi3-notifications { margin-top: 0.75rem; }
.bi3-company-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(10.2rem, 43vw); gap: 0.55rem; overflow-x: auto; overscroll-behavior-inline: contain; padding: 0.15rem 0 0.5rem; scroll-snap-type: x proximity; }
.bi3-company-card { display: grid; grid-template-columns: 2.6rem minmax(0, 1fr); gap: 0.55rem; min-height: 8.5rem; padding: 0.65rem; border: 1px solid var(--bi-border-subtle); background: var(--bi-surface-raised); text-align: left; scroll-snap-align: start; cursor: pointer; }
.bi3-company-card.is-selected { border-color: var(--bi-gold); box-shadow: inset 3px 0 var(--bi-gold); }
.bi3-company-portrait { display: grid; place-items: center; width: 2.6rem; height: 3.25rem; background: linear-gradient(#303742, #171c24); color: var(--bi-text-muted); font-family: Georgia, serif; font-size: 1.3rem; filter: grayscale(0.8); }
.bi3-company-copy { display: grid; align-content: start; gap: 0.2rem; min-width: 0; }
.bi3-company-copy strong, .bi3-company-copy span, .bi3-company-copy small { overflow-wrap: anywhere; }
.bi3-company-copy small { color: var(--bi-text-muted); font-size: 12px; }
.bi3-company-copy em { color: var(--bi-warning); font-size: 12px; font-style: normal; }

.bi3-notification-list { display: grid; gap: 0.45rem; }
.bi3-notification { display: grid; grid-template-columns: 1.8rem 1fr; gap: 0.55rem; width: 100%; min-height: 44px; padding: 0.55rem; border: 1px solid var(--bi-border-subtle); background: var(--bi-surface-raised); text-align: left; cursor: pointer; }
.bi3-notification > span:first-child { display: grid; place-items: center; width: 1.7rem; height: 1.7rem; border-radius: 50%; background: var(--bi-defense); color: #fff; }
.bi3-notification.is-critical > span:first-child { background: var(--bi-danger); }
.bi3-notification > span:last-child { display: grid; gap: 0.15rem; }
.bi3-notification strong { font-size: 12px; color: var(--bi-text-muted); }
.bi3-notification small { margin-top: 0.3rem; color: var(--bi-text-muted); }
.bi3-empty { color: var(--bi-text-muted); overflow-wrap: anywhere; }

.bi3-global-nav {
  position: fixed; z-index: 20; inset: auto 0 0; display: flex; min-height: var(--bi-nav-height);
  padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid var(--bi-border); background: rgba(12, 16, 23, 0.98);
}
.bi3-nav-item { display: grid; place-items: center; align-content: center; gap: 0.15rem; min-width: 44px; min-height: 44px; flex: 1; border: 0; background: transparent; color: var(--bi-text-muted); cursor: pointer; }
.bi3-nav-item.is-current { color: var(--bi-gold); box-shadow: inset 0 2px var(--bi-gold); }
.bi3-nav-item span:last-child { font-size: 12px; }

.bi3-campaign-shell :focus-visible { outline: 3px solid #e0b96f; outline-offset: 3px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (min-width: 480px) {
  .bi3-map { min-height: 25rem; }
  .bi3-node-label small { display: block; }
  .bi3-company-strip { grid-auto-columns: minmax(11rem, 30vw); }
}

@media (min-width: 768px) {
  .bi3-campaign-header { padding: 0.85rem 1.1rem 0.7rem 5.8rem; }
  .bi3-screen-host { padding: 1rem 1rem 1.5rem 6.3rem; }
  .bi3-global-nav { inset: 0 auto 0 0; width: 5rem; min-height: 100vh; flex-direction: column; padding: 6.4rem 0.25rem 1rem; border: 0; border-right: 1px solid var(--bi-border); }
  .bi3-nav-item { flex: 0 0 4rem; }
  .bi3-nav-item.is-current { box-shadow: inset 2px 0 var(--bi-gold); }
  .bi3-frontier-grid { grid-template-columns: minmax(0, 3fr) minmax(17rem, 2fr); align-items: start; }
  .bi3-map { min-height: 30rem; }
  .bi3-crisis-panel { display: block; max-height: 40rem; overflow-y: auto; }
  .bi3-panel-close { display: none; }
  .bi3-company-strip { grid-auto-columns: minmax(11rem, 24vw); }
  .bi3-notification-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .bi3-campaign-header { padding-left: 6.8rem; }
  .bi3-screen-host { padding: 1.25rem 1.35rem 1.75rem 7rem; }
  .bi3-global-nav { width: 5.5rem; }
  .bi3-frontier-grid { grid-template-columns: minmax(0, 2.05fr) minmax(19rem, 0.95fr); }
  .bi3-map { min-height: 36rem; }
  .bi3-crisis-panel { max-height: 46rem; }
  .bi3-company-strip { grid-auto-flow: row; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: visible; }
}

@media (min-width: 1320px) {
  .bi3-campaign-header { padding-right: max(1.5rem, calc((100vw - 1510px) / 2)); }
  .bi3-screen-host { max-width: 1510px; margin: 0 auto; padding-left: 7rem; }
  .bi3-map { min-height: 42rem; }
  .bi3-company-strip { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .bi3-company-card { grid-template-columns: 2.4rem minmax(0, 1fr); padding: 0.55rem; }
  .bi3-notification-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: no-preference) {
  .bi3-map-node.is-horde .bi3-node-emblem { animation: bi3-horde-pulse 2.8s ease-in-out infinite; }
  .bi3-map-node, .bi3-company-card { transition: border-color 140ms ease, translate 140ms ease; }
}
@keyframes bi3-horde-pulse { 50% { box-shadow: 0 0 0 0.35rem rgba(180, 75, 79, 0.12); } }

@media (prefers-reduced-motion: reduce) {
  .bi3-campaign-shell *, .bi3-campaign-shell *::before, .bi3-campaign-shell *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}