/* =========================================================
   FOG-MPM · Explorador 3D
   ========================================================= */

@font-face {
  font-family: 'Barlow Condensed';
  src: url('../fonts/barlow-condensed-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('../fonts/barlow-condensed-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('../fonts/barlow-condensed-latin-700-normal.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-latin-600-normal.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}

:root {
  --bg: #06080a;
  --ink: #e9e3d5;
  --paper: #cfc8b8;
  --muted: #9d9788;
  --dim: #6e6a5e;
  --amber: #f0a63c;
  --amber-bright: #ffc062;
  --amber-soft: rgba(240, 166, 60, .13);
  --cyan: #58e2d0;
  --line: rgba(233, 227, 213, .13);
  --line-strong: rgba(233, 227, 213, .24);
  --panel: rgba(9, 12, 14, .74);
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

button:focus-visible {
  outline: 1px solid var(--amber);
  outline-offset: 3px;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 55% 45%, transparent 42%, rgba(2, 3, 4, .55) 100%),
    linear-gradient(90deg, rgba(3, 4, 6, .55) 0%, transparent 26%, transparent 78%, rgba(3, 4, 6, .35) 100%);
  z-index: 2;
}

.grain {
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 3;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  animation: grainShift 1.4s steps(3) infinite;
}
@keyframes grainShift {
  0% { transform: translate(0, 0); }
  33% { transform: translate(-1.5%, 1%); }
  66% { transform: translate(1%, -1.5%); }
  100% { transform: translate(0, 0); }
}

/* ---------------- top bar ---------------- */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px 18px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(4, 6, 8, .65), transparent);
  transition: opacity .6s ease;
}
.topbar > * { pointer-events: auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.brand-mark {
  position: relative;
  width: 30px; height: 30px;
  border: 1px solid rgba(240, 166, 60, .55);
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}
.brand-mark::before,
.brand-mark::after {
  content: '';
  position: absolute;
  background: rgba(240, 166, 60, .55);
}
.brand-mark::before { width: 38px; height: 1px; }
.brand-mark::after { height: 38px; width: 1px; }
.brand-mark i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px rgba(240, 166, 60, .9);
}

.brand-text { display: flex; flex-direction: column; gap: 3px; }
.brand-text strong {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .12em;
  line-height: 1;
}
.brand-text em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 7.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--dim);
}

.top-actions { display: flex; align-items: center; gap: 8px; }

.panel-close {
  display: none;
  position: absolute;
  top: 6px;
  right: 8px;
  z-index: 3;
  width: 30px;
  height: 30px;
  place-items: center;
  color: var(--muted);
  font-size: 19px;
  line-height: 1;
}

#infoBtn { display: none; }
#infoBtn::before { content: '▤'; margin-right: 6px; font-size: 9px; opacity: .8; }

.chip {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .18em;
  padding: 8px 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(7, 10, 12, .45);
  transition: color .2s, border-color .2s, background .2s;
}
.chip:hover { color: var(--ink); border-color: var(--line-strong); }
.chip.on {
  color: #140f07;
  background: var(--amber);
  border-color: var(--amber);
}

.icon-btn {
  width: 34px; height: 32px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(7, 10, 12, .45);
  transition: color .2s, border-color .2s;
}
.icon-btn:hover { color: var(--ink); border-color: var(--line-strong); }

/* ---------------- chapter rail ---------------- */

.rail {
  position: fixed;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-left: 17px;
  border-left: 1px solid var(--line);
  transition: opacity .4s ease;
}
.rail button {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  text-align: left;
  color: var(--dim);
  transition: color .25s;
}
.rail .rnum {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .08em;
  width: 15px;
  flex: 0 0 auto;
  color: var(--dim);
  transition: color .25s;
}
.rail .rname {
  font-size: 11.5px;
  letter-spacing: .02em;
  white-space: nowrap;
  opacity: .8;
}
.rail button::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--amber);
  transition: width .3s ease;
}
.rail button:hover { color: var(--paper); }
.rail button.active { color: var(--ink); }
.rail button.active .rnum { color: var(--amber); }
.rail button.active .rname { opacity: 1; }
.rail button.active::before { width: 12px; }

body.seeker-on .rail { opacity: 0; pointer-events: none; }

/* ---------------- panel ---------------- */

.panel {
  position: fixed;
  top: 88px;
  right: 26px;
  width: 364px;
  z-index: 22;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(12, 15, 17, .86), rgba(8, 10, 12, .72));
  backdrop-filter: blur(18px) saturate(1.1);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
}
.panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 1px; height: 82px;
  background: linear-gradient(var(--amber), transparent);
}
.panel::after {
  content: '';
  position: absolute;
  right: 8px; bottom: 8px;
  width: 10px; height: 10px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  pointer-events: none;
}

.panel-scroll {
  max-height: calc(100vh - 174px);
  overflow-y: auto;
  padding: 22px 22px 20px;
  scrollbar-width: thin;
  scrollbar-color: rgba(233, 227, 213, .2) transparent;
}
.panel-scroll::-webkit-scrollbar { width: 3px; }
.panel-scroll::-webkit-scrollbar-thumb { background: rgba(233, 227, 213, .2); }

.kicker {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.kicker::before {
  content: '';
  width: 12px; height: 1px;
  background: var(--amber);
  flex: 0 0 auto;
}

.panel h2 {
  font-family: var(--display);
  font-size: 46px;
  font-weight: 600;
  line-height: .9;
  letter-spacing: .005em;
  text-transform: uppercase;
  margin: 0 0 14px;
  color: var(--ink);
}

.lead {
  font-size: 13.2px;
  line-height: 1.62;
  color: var(--paper);
  margin: 0 0 16px;
}

.panel-body p {
  font-size: 12.2px;
  line-height: 1.72;
  color: var(--muted);
  margin: 0 0 12px;
}
.panel-body p:last-child { margin-bottom: 0; }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 18px;
  margin-top: 20px;
  border-top: 1px solid var(--line);
}
.stat {
  padding: 11px 0 10px;
  border-bottom: 1px solid var(--line);
}
.stat b {
  display: block;
  font-family: var(--display);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}
.stat span {
  display: block;
  font-family: var(--mono);
  font-size: 7.2px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
}

.steps { margin-top: 20px; border-top: 1px solid var(--line); }
.step {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(233, 227, 213, .07);
}
.step .sn {
  font-family: var(--mono);
  font-size: 8px;
  color: var(--amber);
  padding-top: 3px;
}
.step b {
  display: block;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 2px;
}
.step p {
  margin: 0;
  font-size: 10.8px;
  line-height: 1.5;
  color: var(--muted);
}

.cards { margin-top: 20px; border-top: 1px solid var(--line); }
.card {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(233, 227, 213, .07);
}
.card .cn {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 600;
  line-height: .9;
  color: var(--amber);
}
.card b {
  display: block;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 3px;
}
.card p {
  margin: 0;
  font-size: 10.8px;
  line-height: 1.5;
  color: var(--muted);
}

.timeline { margin-top: 20px; border-top: 1px solid var(--line); }
.tl {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(233, 227, 213, .07);
}
.tl b {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: .04em;
}
.tl span {
  font-size: 10.8px;
  line-height: 1.5;
  color: var(--muted);
}

.stats:empty, .steps:empty, .cards:empty, .timeline:empty,
.parts:empty, .note:empty, .panel-actions:empty { display: none; }

.source-link {
  display: block;
  padding: 7px 0;
  border-bottom: 1px solid rgba(233, 227, 213, .07);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .03em;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}
.source-link:hover { color: var(--amber-bright); }

.parts { margin-top: 20px; border-top: 1px solid var(--line); }
.parts-head {
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: .18em;
  color: var(--dim);
  text-transform: uppercase;
  padding: 9px 0 7px;
}
.part-btn {
  display: grid;
  grid-template-columns: 22px 1fr 14px;
  gap: 6px;
  align-items: center;
  width: 100%;
  padding: 9px 0;
  border-bottom: 1px solid rgba(233, 227, 213, .07);
  text-align: left;
  color: var(--muted);
  transition: color .2s, padding-left .2s;
}
.part-btn .pn {
  font-family: var(--mono);
  font-size: 7.5px;
  color: var(--dim);
}
.part-btn .pt {
  font-size: 11.5px;
  letter-spacing: .02em;
}
.part-btn .pa {
  font-size: 11px;
  color: var(--dim);
  opacity: 0;
  transition: opacity .2s;
}
.part-btn:hover, .part-btn.active { color: var(--ink); }
.part-btn:hover .pa, .part-btn.active .pa { opacity: 1; }
.part-btn.active { padding-left: 4px; }
.part-btn.active .pn { color: var(--amber); }

.note {
  margin-top: 14px;
  padding-left: 10px;
  border-left: 1px solid rgba(240, 166, 60, .4);
  font-family: var(--mono);
  font-size: 8.5px;
  line-height: 1.65;
  color: #7f7a6c;
}

.panel-actions {
  position: sticky;
  bottom: -20px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px -22px -20px;
  padding: 14px 22px 18px;
  background: linear-gradient(to top, rgba(9, 12, 14, .99) 55%, rgba(9, 12, 14, 0));
}

.btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(240, 166, 60, .45);
  background: var(--amber-soft);
  color: var(--amber-bright);
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--amber); color: #171004; border-color: var(--amber); }
.btn.ghost {
  border-color: var(--line);
  background: transparent;
  color: var(--muted);
}
.btn.ghost:hover { color: var(--ink); border-color: var(--line-strong); background: rgba(255, 255, 255, .03); }
.btn svg { flex: 0 0 auto; }

/* ---------------- hotspots ---------------- */

.hotspots, .target-tags {
  position: fixed;
  inset: 0;
  z-index: 14;
  pointer-events: none;
}
.target-tag {
  position: absolute;
  width: 24px; height: 24px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  border: 1px solid rgba(240, 166, 60, .8);
  border-radius: 50%;
  background: rgba(8, 10, 12, .72);
  color: var(--amber-bright);
  font-family: var(--display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  box-shadow: 0 0 0 5px rgba(240, 166, 60, .07), 0 0 24px rgba(0, 0, 0, .5);
  backdrop-filter: blur(4px);
}
.target-tag::after {
  content: '';
  position: absolute;
  inset: -7px;
  border: 1px solid rgba(240, 166, 60, .25);
  border-radius: 50%;
}
.target-tags { display: none; }

.hotspot {
  position: absolute;
  width: 26px; height: 26px;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  display: grid;
  place-items: center;
}
.hotspot .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(240, 166, 60, .18), 0 0 16px rgba(240, 166, 60, .55);
  transition: transform .2s, background .2s;
}
.hotspot::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(240, 166, 60, .45);
  border-radius: 50%;
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(.55); opacity: 0; }
  30% { opacity: .9; }
  100% { transform: scale(1.4); opacity: 0; }
}
.hotspot:hover .dot, .hotspot.active .dot {
  transform: scale(1.5);
  background: var(--amber-bright);
}
.hotspot .hs-label {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(6, 8, 10, .82);
  border: 1px solid var(--line);
  border-left: 1px solid var(--amber);
  padding: 5px 7px;
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
}
.hotspot:hover .hs-label, .hotspot.active .hs-label { opacity: 1; }
.hotspot.flip .hs-label {
  left: auto;
  right: 20px;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--amber);
}

.hs-card {
  position: fixed;
  left: 28px;
  bottom: 180px;
  z-index: 26;
  width: 268px;
  padding: 14px 16px 13px;
  background: rgba(8, 11, 13, .94);
  border: 1px solid var(--line-strong);
  border-top-color: rgba(240, 166, 60, .6);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .55);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.hs-card.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.hs-card .hsc-kicker {
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .2em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.hs-card h4 {
  font-family: var(--display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin: 0 0 6px;
}
.hs-card p {
  margin: 0;
  font-size: 10.8px;
  line-height: 1.55;
  color: var(--muted);
}
.hs-card .hsc-close {
  position: absolute;
  top: 8px; right: 8px;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  color: var(--dim);
  font-size: 14px;
  line-height: 1;
}
.hs-card .hsc-close:hover { color: var(--ink); }

/* ---------------- seeker ---------------- */

.seeker {
  position: fixed;
  top: 92px;
  left: 28px;
  width: 344px;
  z-index: 18;
  background: #080b0b;
  border: 1px solid rgba(233, 227, 213, .18);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5), inset 0 0 40px rgba(0, 0, 0, .6);
}
.seeker-top, .seeker-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 27px;
  padding: 0 10px;
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .14em;
  color: #7e8577;
  background: linear-gradient(#111514, #0b0e0d);
  border-bottom: 1px solid rgba(233, 227, 213, .08);
}
.seeker-top b { color: #aeb8a4; font-weight: 500; }
.seeker-top .live {
  display: flex; align-items: center; gap: 5px;
  color: #e0644a;
}
.seeker-top .live i {
  width: 5px; height: 5px; border-radius: 50%;
  background: #e0644a;
  animation: blink 1.6s steps(2) infinite;
}
@keyframes blink { 50% { opacity: .2; } }
.seeker-bottom {
  border-bottom: 0;
  border-top: 1px solid rgba(233, 227, 213, .08);
  color: #9aa58d;
}
.seeker-screen { position: relative; line-height: 0; }
#seekerCanvas {
  width: 100%;
  height: auto;
  display: block;
  filter: contrast(1.05) saturate(.9);
}
.scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, .1) 0px,
    rgba(0, 0, 0, .1) 1px,
    transparent 1px,
    transparent 4px
  );
  box-shadow: inset 0 0 70px rgba(0, 0, 0, .55);
}

/* ---------------- sim bar ---------------- */

.simbar {
  position: fixed;
  left: calc(50% - 150px);
  bottom: 76px;
  transform: translateX(-50%);
  z-index: 24;
  width: min(600px, calc(100vw - 440px));
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 14px;
  background: rgba(8, 11, 13, .82);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .4);
}
.simbar[hidden] { display: none; }

.play {
  width: 34px; height: 34px;
  flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--amber);
  color: #171004;
  transition: transform .2s, background .2s;
}
.play:hover { background: var(--amber-bright); transform: scale(1.05); }
.play .i-pause { display: none; }
.play.playing .i-play { display: none; }
.play.playing .i-pause { display: block; }

.track-wrap { flex: 1 1 auto; min-width: 60px; }
.phase-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 6px;
  letter-spacing: .12em;
  color: var(--dim);
  margin-bottom: 3px;
}
.phase-labels span.on { color: var(--amber); }

input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 14px;
  background: transparent;
  cursor: pointer;
  display: block;
  margin: 0;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 2px;
  background: linear-gradient(90deg, var(--amber) var(--p, 0%), rgba(233, 227, 213, .16) var(--p, 0%));
}
input[type=range]::-moz-range-track {
  height: 2px;
  background: rgba(233, 227, 213, .16);
}
input[type=range]::-moz-range-progress { height: 2px; background: var(--amber); }
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--amber-bright);
  margin-top: -3.5px;
  box-shadow: 0 0 0 3px rgba(240, 166, 60, .18);
}
input[type=range]::-moz-range-thumb {
  width: 9px; height: 9px;
  border: 0;
  border-radius: 50%;
  background: var(--amber-bright);
}

.sim-time, .speeds, .mini {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .1em;
  color: var(--muted);
  flex: 0 0 auto;
}
.sim-time { width: 34px; text-align: right; color: var(--paper); }
.speeds { display: flex; gap: 2px; }
.speeds button {
  font-family: var(--mono);
  font-size: 8px;
  padding: 4px 5px;
  color: var(--dim);
  border: 1px solid transparent;
}
.speeds button.on { color: var(--amber); border-color: rgba(240, 166, 60, .35); }
.mini {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  color: var(--muted);
}
.mini:hover { color: var(--ink); border-color: var(--line-strong); }

/* ---------------- anatomy + jammer bars ---------------- */

.anatomy-bar, .jammer-bar {
  position: fixed;
  z-index: 24;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 12px;
  background: rgba(8, 11, 13, .8);
  border: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.anatomy-bar {
  left: 50%;
  bottom: 76px;
  transform: translateX(-50%);
  width: min(460px, calc(100vw - 740px));
  min-width: 320px;
}
.anatomy-bar[hidden], .jammer-bar[hidden] { display: none; }
.ab-label {
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .16em;
  color: var(--dim);
  white-space: nowrap;
}
.anatomy-bar input[type=range] { flex: 1; }
.tiny {
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: .12em;
  padding: 6px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}
.tiny.on { color: #140f07; background: var(--amber); border-color: var(--amber); }

.jammer-bar {
  left: 50%;
  top: 86px;
  transform: translateX(-50%);
  background: rgba(20, 9, 7, .78);
  border-color: rgba(224, 100, 74, .35);
}
.toggle {
  font-family: var(--mono);
  font-size: 7.5px;
  letter-spacing: .14em;
  padding: 7px 10px;
  border: 1px solid rgba(224, 100, 74, .5);
  color: #e8927e;
  white-space: nowrap;
}
.toggle.on { background: #c24a33; color: #150806; border-color: #c24a33; }
.jammer-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .12em;
  color: #9aa58d;
  white-space: nowrap;
}
.jammer-status i {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

/* ---------------- footer ---------------- */

.footer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 58px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 26px;
  background: linear-gradient(to top, rgba(4, 6, 8, .92), rgba(4, 6, 8, .35) 60%, transparent);
  pointer-events: none;
}
.footer > * { pointer-events: auto; }

.nav-buttons { display: flex; gap: 6px; }
.nav-buttons button {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 9px 11px;
  border: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.nav-buttons button span { display: inline; }
.nav-buttons button:hover { color: var(--ink); border-color: var(--line); }
.nav-buttons button:disabled { opacity: .3; pointer-events: none; }

.chapter-progress {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 8px;
  color: var(--dim);
}
.cp-num { color: var(--paper); }
.cp-line {
  width: 110px;
  height: 1px;
  background: rgba(233, 227, 213, .16);
  display: block;
  position: relative;
}
.cp-line i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 14%;
  background: var(--amber);
  transition: width .5s ease;
}

.hint {
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .14em;
  color: var(--dim);
  text-transform: uppercase;
}

/* ---------------- intro ---------------- */

.intro {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .9s ease, visibility .9s;
}
body.ready .intro { opacity: 1; visibility: visible; }
body.started .intro { opacity: 0; visibility: hidden; pointer-events: none; }

.intro-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 6, 8, .96) 0%, rgba(4, 6, 8, .88) 30%, rgba(4, 6, 8, .35) 58%, rgba(4, 6, 8, 0) 78%),
    linear-gradient(to top, rgba(4, 6, 8, .9) 0%, transparent 30%),
    linear-gradient(to bottom, rgba(4, 6, 8, .55) 0%, transparent 22%);
}

.intro-content {
  position: relative;
  z-index: 2;
  margin-left: 7vw;
  width: min(540px, 46vw);
  padding-bottom: 2vh;
}

.intro-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .3em;
  color: var(--amber);
  margin-bottom: 20px;
}
.intro-kicker i {
  width: 22px; height: 1px;
  background: var(--amber);
  animation: grow 1.4s .2s both;
}
@keyframes grow { from { width: 0; } to { width: 22px; } }

.intro h1 {
  font-family: var(--display);
  font-size: clamp(76px, 11.2vw, 190px);
  font-weight: 700;
  white-space: nowrap;
  line-height: .76;
  letter-spacing: -.015em;
  margin: 0 0 22px;
  color: var(--ink);
  text-shadow: 0 20px 80px rgba(0, 0, 0, .6);
}
.intro h1 span {
  color: var(--amber);
  font-weight: 500;
  padding: 0 .04em;
}

.intro-sub {
  font-family: var(--display);
  font-size: clamp(20px, 2.1vw, 28px);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 18px;
}

.intro-text {
  font-size: 13.4px;
  line-height: 1.72;
  color: var(--muted);
  max-width: 440px;
  margin: 0 0 30px;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  padding: 15px 20px 15px 24px;
  background: var(--amber);
  color: #161006;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background .25s, gap .25s;
}
.cta:hover { background: var(--amber-bright); gap: 30px; }

.intro-meta {
  display: flex;
  gap: 34px;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid rgba(233, 227, 213, .16);
  width: fit-content;
}
.intro-meta div { display: flex; flex-direction: column; gap: 5px; }
.intro-meta b {
  font-family: var(--display);
  font-size: 27px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
}
.intro-meta span {
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
}

.intro-side {
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .32em;
  color: rgba(233, 227, 213, .35);
  z-index: 2;
}
.intro-note {
  position: absolute;
  right: 28px;
  bottom: 24px;
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .16em;
  color: var(--dim);
  text-transform: uppercase;
  z-index: 2;
}

/* UI hidden before start */
body:not(.started) .topbar,
body:not(.started) .rail,
body:not(.started) .panel,
body:not(.started) .footer,
body:not(.started) .seeker,
body:not(.started) .simbar,
body:not(.started) .anatomy-bar,
body:not(.started) .jammer-bar {
  opacity: 0;
  pointer-events: none;
}
.topbar, .rail, .panel, .footer { transition: opacity .8s ease .1s; }

/* ---------------- loader ---------------- */

.loader {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: radial-gradient(70% 60% at 50% 45%, #0b1013, #040608 75%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  transition: opacity .8s ease, visibility .8s;
}
.loader.done { opacity: 0; visibility: hidden; }

.loader-mark {
  width: 54px; height: 54px;
  border: 1px solid rgba(240, 166, 60, .25);
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
}
.loader-mark::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 1px solid transparent;
  border-top-color: var(--amber);
  animation: spin 1.1s linear infinite;
}
.loader-mark::after {
  content: '';
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 24px rgba(240, 166, 60, .7);
  animation: pulseCore 1.6s ease-in-out infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulseCore { 50% { transform: scale(.55); opacity: .5; } }

.loader-text {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: .32em;
  color: var(--paper);
}
.loader-track {
  width: 180px;
  height: 1px;
  background: rgba(233, 227, 213, .16);
  overflow: hidden;
}
.loader-track i {
  display: block;
  height: 100%;
  width: 10%;
  background: var(--amber);
  transition: width .4s ease;
}
.loader-sub {
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: .18em;
  color: var(--dim);
  height: 10px;
}

.fade {
  position: fixed;
  inset: 0;
  background: #040608;
  opacity: 0;
  pointer-events: none;
  z-index: 50;
  transition: opacity .28s ease;
}
.fade.on { opacity: 1; pointer-events: auto; }

.webgl-error, .noscript {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px;
  background: #06080a;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.8;
}

/* ---------------- responsive ---------------- */

@media (max-width: 1180px) {
  .panel { width: 336px; right: 18px; }
  .panel h2 { font-size: 42px; }
  .simbar { left: calc(50% - 130px); width: min(540px, calc(100vw - 400px)); }
  .anatomy-bar { width: min(420px, calc(100vw - 680px)); min-width: 300px; }
}

@media (max-width: 960px) {
  .rail { display: none; }
  #infoBtn { display: inline-flex; }
  .panel {
    top: auto;
    bottom: 58px;
    right: 0;
    left: 0;
    width: auto;
    max-height: 60vh;
    z-index: 40;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    transform: translateY(calc(100% + 80px));
    transition: transform .38s cubic-bezier(.22, .8, .25, 1);
  }
  body.panel-open .panel { transform: translateY(0); }
  .panel-close { display: grid; }
  .panel-scroll { max-height: 60vh; padding: 26px 20px 18px; }
  .panel h2 { font-size: 36px; padding-right: 20px; }
  .lead { font-size: 12.4px; }
  .panel-body p { font-size: 11.6px; }
  .footer .hint { display: none; }
  .simbar {
    left: 12px;
    right: 12px;
    bottom: auto;
    top: 74px;
    transform: none;
    width: auto;
  }
  .anatomy-bar {
    left: 12px;
    right: 12px;
    bottom: 66px;
    transform: none;
    width: auto;
    min-width: 0;
  }
  .seeker { width: 260px; left: 12px; top: 142px; }
  .jammer-bar { top: auto; bottom: 66px; left: 12px; right: 12px; transform: none; justify-content: space-between; }
  .chapter-progress { display: none; }
}

@media (max-width: 700px) {
  .topbar { padding: 14px 16px; }
  #aboutBtn { display: none; }
  .brand-text em { display: none; }
  .panel { max-height: 66vh; bottom: 52px; }
  .panel-scroll { max-height: 66vh; }
  .panel h2 { font-size: 30px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 0 12px; }
  .stat b { font-size: 19px; }
  .seeker { display: none; }
  .intro-content { margin-left: 6vw; width: 88vw; }
  .intro h1 { font-size: 22vw; }
  .intro-meta { gap: 20px; }
  .intro-meta b { font-size: 21px; }
  .intro-side, .intro-note { display: none; }
  .intro-scrim {
    background:
      linear-gradient(180deg, rgba(4, 6, 8, .35) 0%, rgba(4, 6, 8, .7) 45%, rgba(4, 6, 8, .96) 100%);
  }
  .footer { height: 54px; padding: 0 14px; }
  .nav-buttons button span { display: none; }
  .nav-buttons { width: 100%; justify-content: space-between; }
  .nav-buttons button { font-size: 15px; padding: 8px 14px; }
  .simbar { gap: 8px; padding: 8px 10px; top: 66px; }
  .phase-labels { display: none; }
  .speeds { display: none; }
  .anatomy-bar { gap: 8px; padding: 7px 9px; }
  .ab-label { display: none; }
  .hs-card { left: 12px !important; right: 12px; width: auto; bottom: auto !important; top: 78px !important; }
  .hs-card .hsc-close { width: 28px; height: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .grain, .hotspot::before, .loader-mark::before, .loader-mark::after { animation: none; }
  .intro { transition-duration: .01s; }
}


/* ---------------- wide screens ---------------- */

@media (min-width: 1600px) {
  .topbar { padding: 24px 36px 20px; }
  .brand-text strong { font-size: 22px; }
  .brand-mark { width: 34px; height: 34px; }
  .rail { left: 42px; }
  .panel { width: 400px; top: 96px; right: 34px; }
  .panel-scroll { padding: 26px 26px 22px; max-height: calc(100vh - 190px); }
  .panel h2 { font-size: 52px; }
  .lead { font-size: 14.2px; }
  .panel-body p { font-size: 13px; }
  .stat b { font-size: 26px; }
  .seeker { width: 380px; left: 34px; top: 104px; }
  .footer { padding: 0 36px; }
  .simbar { left: calc(50% - 190px); width: min(660px, calc(100vw - 520px)); }
  .intro-content { margin-left: 8vw; width: min(620px, 44vw); }
  .intro h1 { font-size: clamp(100px, 11vw, 190px); }
  .intro-text { font-size: 14.5px; max-width: 480px; }
}