@font-face { font-family: "Orbitron"; src: url("../fonts/orbitron.woff2") format("woff2"); font-weight: 400 900; font-display: swap; }
@font-face { font-family: "Share Tech Mono"; src: url("../fonts/sharetechmono.woff2") format("woff2"); font-display: swap; }

:root {
  --bg: #000;
  --fg: #e8fbff;
  --dim: #7fa6b3;
  --cyan: #29f0ff;
  --magenta: #ff2fd0;
  --accent: var(--cyan);
  --panel: rgba(2, 10, 16, 0.78);
  --line: rgba(41, 240, 255, 0.45);
  --mono: "Share Tech Mono", ui-monospace, Menlo, Consolas, monospace;
  --display: "Orbitron", "Share Tech Mono", sans-serif;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg); font-family: var(--mono); overflow: hidden; }
body { -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
#map, .panel-body { user-select: text; -webkit-user-select: text; }
.hidden { display: none !important; }
a { color: var(--accent); }

#gl { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
#locks { position: fixed; inset: 0; pointer-events: none; overflow: hidden; }

/* ---- buttons ---- */
.btn {
  font: 500 13px/1 var(--display); letter-spacing: .14em; color: var(--accent); background: rgba(0, 0, 0, .55);
  border: 1px solid var(--line); padding: 10px 14px; cursor: pointer; text-decoration: none; display: inline-flex;
  align-items: center; justify-content: center; text-transform: uppercase; transition: background .15s, color .15s, box-shadow .15s;
}
.btn:hover:not(:disabled), .btn.on { background: var(--accent); color: #000; box-shadow: 0 0 18px var(--accent); }
.btn:disabled { opacity: .45; cursor: wait; }
.btn.stalled { animation: blink 1s steps(2) infinite; border-color: var(--accent); }
.btn.big { font-size: 18px; padding: 16px 34px; border-width: 2px; }
.btn.ghost { border-color: transparent; color: var(--dim); font-size: 11px; }
.btn.small { font-size: 11px; padding: 8px 10px; min-width: 38px; min-height: 34px; }

/* ---- splash ---- */
#splash {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px;
  background: radial-gradient(ellipse at center, rgba(0, 30, 40, .55), rgba(0, 0, 0, .92) 70%); z-index: 20; transition: opacity .8s;
}
#splash.fade { opacity: 0; pointer-events: none; }
.splash-kicker { color: var(--magenta); letter-spacing: .4em; font-size: 12px; margin-bottom: 18px; }
.splash-name {
  font: 800 clamp(34px, 9vw, 92px)/1 var(--display); letter-spacing: .08em; margin: 0; text-transform: uppercase;
  color: #fff; text-shadow: 0 0 12px var(--cyan), 0 0 40px rgba(41, 240, 255, .6);
}
.splash-headline { color: var(--dim); margin: 18px auto 36px; max-width: 640px; font-size: 15px; line-height: 1.5; }
.splash-buttons { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.splash-help { margin-top: 34px; font-size: 11px; letter-spacing: .18em; color: var(--dim); line-height: 1.8; }

/* ---- HUD ---- */
#hud {
  position: fixed; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: flex-start;
  padding: calc(14px + var(--safe-t)) 16px 0; pointer-events: none; z-index: 5;
}
#hud > * { pointer-events: auto; }
.hud-id { display: flex; flex-direction: column; gap: 6px; }
.hud-name { font: 800 15px/1 var(--display); letter-spacing: .2em; text-transform: uppercase; text-shadow: 0 0 10px var(--cyan); }
.hud-area { font-size: 11px; letter-spacing: .2em; color: var(--accent); text-transform: uppercase; }
.hud-buttons { display: flex; gap: 6px; }

#areabar {
  position: fixed; left: 16px; right: 16px; bottom: calc(14px + var(--safe-b)); display: flex; gap: 4px; z-index: 5; height: 4px;
}
#areabar .seg { flex: 1; background: rgba(255, 255, 255, .12); position: relative; overflow: hidden; }
#areabar .seg i { position: absolute; inset: 0; background: var(--seg, var(--cyan)); transform-origin: left; transform: scaleX(0); transition: transform .4s; box-shadow: 0 0 8px var(--seg); }
#areabar .seg.done i { transform: scaleX(1); opacity: .5; }

/* ---- detail panel ---- */
#panel {
  position: fixed; left: 16px; top: calc(78px + var(--safe-t)); width: min(400px, calc(100vw - 32px));
  /* dvh = the visible height on iOS/iPadOS (100vh there includes the hidden browser chrome) */
  max-height: calc(100vh - 110px); max-height: calc(100dvh - 110px - var(--safe-t) - var(--safe-b));
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--panel); border: 1px solid var(--line); border-right: 3px solid var(--accent);
  padding: 18px 18px 0; z-index: 6; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  box-shadow: 0 0 30px rgba(0, 0, 0, .6), inset 0 0 40px rgba(41, 240, 255, .04);
  animation: panel-in .35s ease-out;
}
/* Title, text and chips scroll; the nav buttons and timer below stay put. */
.panel-scroll {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; touch-action: pan-y;
  -webkit-overflow-scrolling: touch; margin-right: -10px; padding-right: 10px;
  scrollbar-width: thin; scrollbar-color: var(--accent) rgba(255, 255, 255, .06);
}
.panel-scroll::-webkit-scrollbar { width: 6px; }
.panel-scroll::-webkit-scrollbar-track { background: rgba(255, 255, 255, .06); }
.panel-scroll::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
.panel-more {
  flex: none; position: relative; height: 0; pointer-events: none; opacity: 0; transition: opacity .2s;
  font: 500 10px/1 var(--display); letter-spacing: .25em; color: var(--accent); text-align: center;
}
.panel-more::before {                 /* fade the last lines out so it's obvious the text continues */
  content: ""; position: absolute; left: -18px; right: -18px; bottom: 0; height: 48px;
  background: linear-gradient(transparent, rgba(2, 10, 16, .95));
}
.panel-more.on { opacity: 1; transform: translateY(-14px); }
.panel-foot, .panel-timer { flex: none; }
@keyframes panel-in { from { opacity: 0; transform: translateX(-24px); } to { opacity: 1; transform: none; } }
.panel-kind { font: 500 11px/1 var(--display); letter-spacing: .3em; color: var(--accent); margin-bottom: 10px; }
.panel-title { font: 800 19px/1.25 var(--display); margin: 0 0 8px; letter-spacing: .03em; }
.panel-sub { color: var(--fg); opacity: .85; font-size: 14px; margin-bottom: 4px; }
.panel-date { color: var(--dim); font-size: 12px; letter-spacing: .08em; margin-bottom: 14px; }
.panel-body { font-size: 14px; line-height: 1.6; white-space: pre-line; }
/* Ship hail: a comm transmission */
#panel.ship { background: linear-gradient(rgba(2, 10, 16, .82), rgba(2, 10, 16, .82)),
                          repeating-linear-gradient(0deg, transparent 0 2px, rgba(255, 255, 255, .025) 2px 3px); }
#panel.ship .panel-kind { animation: blink 1.2s steps(2) infinite; }
#panel.ship .panel-body { font-size: 15px; color: #e9fff6; min-height: 3em; }
#panel.ship .panel-body.typing::after { content: "▌"; color: var(--accent); animation: blink .6s steps(2) infinite; }
@keyframes blink { 50% { opacity: .35; } }
.panel-children { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.panel-children button {
  font: 11px/1.2 var(--mono); color: var(--fg); background: transparent; border: 1px solid rgba(255, 255, 255, .2);
  padding: 6px 8px; cursor: pointer; text-align: left; max-width: 100%;
}
.panel-children button:hover { border-color: var(--accent); color: var(--accent); }
.panel-children button b { color: var(--kc, var(--accent)); font-weight: normal; margin-right: 6px; }
.panel-foot { display: flex; justify-content: space-between; gap: 8px; margin: 16px 0 14px; }
.panel-timer { height: 2px; margin: 0 -18px; background: rgba(255, 255, 255, .06); }
#panel-timer-bar { height: 100%; background: var(--accent); transform-origin: left; transform: scaleX(0); }

/* ---- lock-on reticles (positioned from JS) ---- */
.lock { --c: var(--cyan); --s: 44px; position: absolute; left: 0; top: 0; width: 0; height: 0; will-change: transform; }
.lock > div {
  position: absolute; width: var(--s); height: var(--s); left: calc(var(--s) / -2); top: calc(var(--s) / -2);
  background:
    linear-gradient(var(--c), var(--c)) top left / 12px 2px, linear-gradient(var(--c), var(--c)) top left / 2px 12px,
    linear-gradient(var(--c), var(--c)) top right / 12px 2px, linear-gradient(var(--c), var(--c)) top right / 2px 12px,
    linear-gradient(var(--c), var(--c)) bottom left / 12px 2px, linear-gradient(var(--c), var(--c)) bottom left / 2px 12px,
    linear-gradient(var(--c), var(--c)) bottom right / 12px 2px, linear-gradient(var(--c), var(--c)) bottom right / 2px 12px;
  background-repeat: no-repeat; filter: drop-shadow(0 0 4px var(--c)); animation: lock-in .25s ease-out;
}
.lock span { position: absolute; top: calc(var(--s) / -2 - 16px); left: 0; transform: translateX(-50%); font: 10px var(--display); color: var(--c); letter-spacing: .1em; white-space: nowrap; }
.lock.hover > div { opacity: .5; animation: none; }
@keyframes lock-in { from { transform: scale(2.2) rotate(45deg); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---- map / index overlay (also the crawlable content) ---- */
#map {
  position: fixed; inset: 0; overflow: auto; z-index: 15; background: rgba(0, 4, 8, .94); padding: calc(60px + var(--safe-t)) 16px 60px;
}
#map > * { max-width: 780px; margin-left: auto; margin-right: auto; }
.map-close { position: fixed; top: calc(14px + var(--safe-t)); right: 16px; }
#map h1 { font: 800 clamp(26px, 6vw, 44px)/1.1 var(--display); text-transform: uppercase; letter-spacing: .06em; margin: 0 0 8px; text-shadow: 0 0 12px var(--cyan); }
#map h2 { font: 500 13px/1 var(--display); letter-spacing: .35em; color: var(--magenta); text-transform: uppercase; margin: 46px 0 18px; }
#map h3 { font: 800 16px/1.3 var(--display); margin: 28px 0 4px; cursor: pointer; }
#map h3:hover { color: var(--accent); }
#map p { line-height: 1.6; font-size: 14px; }
.map-headline { color: var(--accent); }
.map-meta { color: var(--dim); font-size: 12px; }
.map-n { color: var(--accent); margin-right: 6px; }
.map-leaves { list-style: none; padding: 0; margin: 10px 0 0; border-left: 1px solid var(--line); }
.map-leaves h3 { margin: 0 0 2px !important; font-size: 14px !important; }
.map-section h2 { cursor: pointer; }
#hud-crumbs button { font: inherit; letter-spacing: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-transform: uppercase; }
#hud-crumbs button:hover { color: #fff; }
#hud-crumbs .sep { opacity: .5; margin: 0 6px; }
.map-leaves li { padding: 8px 0 8px 14px; font-size: 13px; line-height: 1.5; cursor: pointer; }
.map-leaves li:hover { background: rgba(41, 240, 255, .06); }
.map-leaves strong { font-weight: normal; display: block; }
.map-desc { display: block; color: var(--dim); }
.map-kind { font: 500 10px/1 var(--display); letter-spacing: .2em; margin-right: 8px; color: var(--accent); }
.kind-patent .map-kind { color: #ff8a1f; }
.kind-publication .map-kind { color: #9dff3c; }
.kind-ship .map-kind { color: var(--magenta); }
.map-leaves blockquote { margin: 4px 0 0; font-style: italic; }
.map-leaves cite { display: block; color: var(--dim); font-style: normal; margin-top: 4px; }
.map-foot { margin-top: 60px; color: var(--dim); font-size: 11px; letter-spacing: .2em; }

/* ---- phones: panel becomes a bottom sheet ---- */
@media (max-width: 700px) {
  #panel {
    left: 10px; right: 10px; top: auto; bottom: calc(26px + var(--safe-b)); width: auto; max-height: 42vh; max-height: 46dvh; padding: 14px 14px 0;
    animation-name: sheet-in;
  }
  .panel-timer { margin: 0 -14px; }
  .panel-title { font-size: 16px; }
  .panel-body { font-size: 13px; }
  .hud-name { font-size: 12px; }
  .hud-id { max-width: 48vw; }
  .hud-area { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 10px; letter-spacing: .12em; }
  .splash-help { font-size: 10px; }
}
@keyframes sheet-in { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }

.map-skills span[data-stop] { cursor: pointer; }
.map-skills span[data-stop]:hover { color: var(--accent); }