/* The BTTL — frame styles. House law: light editorial frame (#f5f5f5 / #16101e),
   thin skewed katana dividers, gradient text via .grad. The 3D canvas inside the
   frame may go dark and cinematic; gold-on-black stays logo-only. */

:root {
  --bg: #f5f5f5;
  --ink: #16101e;
  --ink-soft: rgba(22, 16, 30, 0.62);
  --hairline: rgba(22, 16, 30, 0.14);
  --gold: #f2cf63;
  --grad: linear-gradient(105deg, #2b1e4a 0%, #16101e 55%, #4a3a1e 100%);
  --glass-bg: rgba(245, 245, 245, 0.72);
  --glass-ink: #16101e;
  --live: #1a9e5c;
  --delayed: #b8860b;
  --fog: #8a8494;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Avenir Next', Avenir, 'Segoe UI', system-ui, -apple-system, sans-serif;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.katana {
  display: inline-block;
  width: 42px; height: 2px;
  background: var(--ink);
  transform: skewX(-32deg);
  opacity: 0.7;
}

#frame { display: flex; flex-direction: column; height: 100dvh; }
#topbar { flex: none; z-index: 30; }
#stage { position: relative; flex: 1 1 auto; min-height: 0; background: #0d0b14; }
#gl, #map { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#ui-layer { position: absolute; inset: 0; pointer-events: none; z-index: 10; }
#ui-layer > * { pointer-events: auto; }
#ticker { flex: none; z-index: 30; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  clip: rect(0 0 0 0); clip-path: inset(50%);
  overflow: hidden; white-space: nowrap;
}

.noscript-brief { max-width: 44rem; margin: 3rem auto; padding: 0 1.5rem; line-height: 1.6; }
.noscript-brief h1 { margin-bottom: 1rem; }
.noscript-brief p { margin-bottom: 1rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===== ui/hud.js — topbar ===== */

.bttl-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
}
.bttl-topbar__left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.bttl-topbar__center { display: flex; align-items: center; justify-content: center; flex: 1 1 auto; min-width: 0; }
.bttl-topbar__right { display: flex; align-items: center; gap: 6px; flex: none; }

.bttl-word {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.bttl-topbar__katana { flex: none; }
.bttl-tagline {
  color: var(--ink-soft);
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 6px;
}
.bttl-mirror-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; }
.bttl-shot-label {
  font-size: 10px; color: var(--ink-soft); letter-spacing: 0.03em;
  opacity: 0; transition: opacity 300ms ease; white-space: nowrap;
}
.bttl-shot-label.is-visible { opacity: 1; }

.bttl-era { display: flex; gap: 2px; background: rgba(22,16,30,0.05); border: 1px solid var(--hairline); border-radius: 8px; padding: 2px; }
.bttl-era__btn {
  border: none; background: transparent; color: var(--ink-soft);
  font: inherit; font-size: 11px; letter-spacing: 0.02em;
  padding: 5px 10px; border-radius: 6px; cursor: pointer;
}
.bttl-era__btn[aria-pressed="true"] { background: var(--bg); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(22,16,30,0.14); }
.bttl-era__btn:focus-visible, .bttl-iconbtn:focus-visible, .bttl-badge:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.bttl-badge {
  display: flex; align-items: center; gap: 6px;
  border: 1px solid var(--hairline); background: transparent;
  border-radius: 999px; padding: 4px 10px 4px 8px; cursor: default;
  font-size: 10px; font-weight: 600; letter-spacing: 0.04em; color: var(--ink);
}
.bttl-badge__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--fog); }
.bttl-badge.is-live .bttl-badge__dot { background: var(--live); }
.bttl-badge.is-delayed .bttl-badge__dot { background: var(--delayed); }
.bttl-badge.is-fog .bttl-badge__dot { background: var(--fog); }

.bttl-iconbtn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px; border: 1px solid transparent;
  background: transparent; color: var(--ink); cursor: pointer;
}
.bttl-iconbtn:hover { background: rgba(22,16,30,0.06); }
.bttl-iconbtn[aria-pressed="true"], .bttl-iconbtn.is-active { border-color: var(--hairline); background: rgba(242,207,99,0.18); }

@media (max-width: 720px) {
  .bttl-tagline { display: none; }
  .bttl-topbar__katana { display: none; }
  .bttl-shot-label { display: none; }
}

/* ===== ui/hud.js — intro overlay ===== */

.bttl-intro {
  position: absolute; left: 50%; bottom: 14%;
  transform: translate(-50%, 10px);
  display: flex; align-items: center; gap: 14px;
  max-width: min(560px, 88vw);
  background: var(--glass-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 12px 40px rgba(22,16,30,0.18);
  opacity: 0;
  transition: opacity 420ms cubic-bezier(0.22,1,0.36,1), transform 420ms cubic-bezier(0.22,1,0.36,1);
}
.bttl-intro.is-visible { opacity: 1; transform: translate(-50%, 0); }
.bttl-intro.is-leaving { opacity: 0; transition-duration: 300ms; }
.bttl-intro__line { color: var(--ink); font-size: 14px; line-height: 1.4; margin: 0; }
.bttl-intro__skip {
  flex: none; border: 1px solid var(--hairline); background: transparent;
  color: var(--ink-soft); border-radius: 8px; padding: 6px 12px; font: inherit; font-size: 12px; cursor: pointer;
}
.bttl-intro__skip:hover { color: var(--ink); background: rgba(22,16,30,0.06); }

/* ===== ui/hud.js — ticker corner disclaimer ===== */

#ticker { display: flex; align-items: center; background: var(--bg); border-top: 1px solid var(--hairline); }
.bttl-disclaimer {
  margin-left: auto; flex: none;
  font-size: 10px; color: var(--ink-soft);
  padding: 0 14px; white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  .bttl-intro { transition: opacity 300ms linear !important; transform: translate(-50%, 0) !important; }
}

/* ===== ui/warlog.js ===== */

.bttl-warlog {
  display: flex; align-items: stretch; flex: 1 1 auto; min-width: 0;
  position: relative;
}
.bttl-warlog__toggle {
  flex: none; border: none; background: transparent; color: var(--ink-soft);
  cursor: pointer; width: 26px; font-size: 12px;
}
.bttl-warlog__toggle:hover { color: var(--ink); }
.bttl-warlog__row {
  flex: 1 1 auto; min-width: 0; display: flex; align-items: center; gap: 18px;
  overflow-x: auto; scrollbar-width: none; padding: 8px 6px;
}
.bttl-warlog__row::-webkit-scrollbar { display: none; }
.bttl-warlog__panel {
  position: absolute; left: 0; right: 0; bottom: 100%;
  max-height: 40vh; overflow-y: auto;
  background: var(--glass-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--hairline);
  border-radius: 12px 12px 0 0;
  box-shadow: 0 -8px 28px rgba(22,16,30,0.14);
  padding: 6px 0;
}
.bttl-warlog__line {
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
  cursor: pointer; font-size: 12px; color: var(--ink); border: none; background: none;
}
.bttl-warlog__panel .bttl-warlog__line { width: 100%; padding: 6px 14px; white-space: normal; border-radius: 6px; }
.bttl-warlog__panel .bttl-warlog__line:hover, .bttl-warlog__row .bttl-warlog__line:hover { background: rgba(22,16,30,0.05); }
.bttl-warlog__line:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.bttl-warlog__time {
  font-variant-numeric: tabular-nums; color: var(--ink-soft); font-size: 10.5px; flex: none;
}
.bttl-warlog__chip { display: inline-flex; align-items: center; gap: 4px; font-weight: 700; font-size: 10.5px; flex: none; }
.bttl-warlog__dot { width: 6px; height: 6px; border-radius: 50%; }
.bttl-warlog__text { color: var(--ink); }

/* ===== ui/fieldglass.js ===== */

.bttl-glass-card {
  position: absolute;
  left: 50%; bottom: 12%;
  transform: translate(-50%, 12px);
  width: min(420px, 90vw);
  background: var(--glass-bg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--hairline);
  border-top: 1px solid rgba(242,207,99,0.55); /* the permitted gold hairline accent */
  border-radius: 14px;
  padding: 16px 18px 14px;
  box-shadow: 0 16px 48px rgba(22,16,30,0.20);
  opacity: 0;
  transition: opacity 420ms cubic-bezier(0.22,1,0.36,1), transform 420ms cubic-bezier(0.22,1,0.36,1);
  color: var(--glass-ink);
}
.bttl-glass-card.is-visible { opacity: 1; transform: translate(-50%, 0); }
.bttl-glass-card.is-leaving { opacity: 0; transition-duration: 300ms; }
.bttl-glass-card__kicker {
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  font-weight: 700; margin-bottom: 6px; padding-right: 22px;
}
.bttl-glass-card__body { font-size: 13.5px; line-height: 1.5; margin: 0; }
.bttl-glass-card__ask {
  display: block; margin-top: 10px; border: none; background: none;
  color: var(--ink-soft); font: inherit; font-size: 12px; cursor: not-allowed; padding: 0;
}
.bttl-glass-card__close {
  position: absolute; top: 10px; right: 12px; border: none; background: none;
  color: var(--ink-soft); font-size: 16px; line-height: 1; cursor: pointer; padding: 2px 4px;
}
.bttl-glass-card__close:hover { color: var(--ink); }

@media (max-width: 640px) {
  .bttl-glass-card { left: 0; right: 0; bottom: 0; width: 100%; transform: translateY(100%); border-radius: 14px 14px 0 0; }
  .bttl-glass-card.is-visible { transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .bttl-glass-card { transition: opacity 300ms linear !important; transform: translate(-50%, 0) !important; }
  @media (max-width: 640px) {
    .bttl-glass-card { transform: translateY(0) !important; }
  }
}

/* ===== ui/glossary.js ===== */

.bttl-glossary {
  position: absolute; inset: 6% 8%;
  display: flex; flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(22,16,30,0.24);
  opacity: 0; transform: translateY(10px);
  transition: opacity 320ms cubic-bezier(0.22,1,0.36,1), transform 320ms cubic-bezier(0.22,1,0.36,1);
  overflow: hidden;
}
.bttl-glossary.is-visible { opacity: 1; transform: translateY(0); }
.bttl-glossary.is-leaving { opacity: 0; transition-duration: 240ms; }
.bttl-glossary__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--hairline); flex: none;
}
.bttl-glossary__title { font-size: 16px; margin: 0; letter-spacing: 0.02em; }
.bttl-glossary__close {
  border: none; background: none; font-size: 20px; line-height: 1;
  color: var(--ink-soft); cursor: pointer; padding: 2px 6px;
}
.bttl-glossary__close:hover { color: var(--ink); }
.bttl-glossary__list {
  flex: 1 1 auto; overflow-y: auto; padding: 16px 20px 24px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px;
}
.bttl-glossary__entry {
  border: 1px solid var(--hairline); border-radius: 10px; padding: 12px 14px;
  background: rgba(245,245,245,0.4);
}
.bttl-glossary__entry h3 { font-size: 12.5px; margin: 0 0 6px; }
.bttl-glossary__entry p { font-size: 12px; line-height: 1.45; color: var(--ink-soft); margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .bttl-glossary { transition: opacity 240ms linear !important; transform: translateY(0) !important; }
}

/* ===== render2d/tactical.js ===== */

#map { cursor: default; background: var(--bg); }