/* ══════════════════════════════════════════════════════════════════
   THE NIKE BELT — interface
   ══════════════════════════════════════════════════════════════════ */

:root{
  --bg:#05070b;
  --bg2:#0a0f16;
  --ink:#e3ebf3;
  --dim:#7f8fa2;
  --dimmer:#54626f;
  --line:#1b2733;
  --line2:#28384a;

  --de:#ffc857;
  --us:#6fe3ff;
  --nl:#ff8a5c;
  --be:#9d8cff;
  --red:#ff4438;
  --grn:#5effc0;
  --amber:#ffb03a;

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --disp: "Helvetica Neue", "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --rail: 366px;
  --top: 56px;
  --bot: 34px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
[hidden]{ display:none !important; }
html,body{ height:100%; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--disp);
  font-size:14px;
  line-height:1.6;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
a{ color:var(--us); text-decoration:none; border-bottom:1px solid rgba(111,227,255,.3); }
a:hover{ border-bottom-color:var(--us); }

#gl{ position:fixed; inset:0; width:100%; height:100%; display:block; }

/* ── film effects ───────────────────────────────────────────────── */
.fx{ position:fixed; inset:0; pointer-events:none; z-index:2; }
.fx-vignette{
  background:radial-gradient(ellipse 120% 90% at 50% 45%,
    transparent 38%, rgba(0,0,0,.34) 74%, rgba(0,0,0,.72) 100%);
}
.fx-scan{
  background:repeating-linear-gradient(to bottom,
    rgba(255,255,255,.021) 0 1px, transparent 1px 3px);
  mix-blend-mode:overlay; opacity:.55;
}
.fx-grain{
  opacity:.055; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='140' height='140' filter='url(%23n)'/></svg>");
  animation:grain 1.1s steps(3) infinite;
}
@keyframes grain{
  0%{transform:translate(0,0)} 33%{transform:translate(-3px,2px)} 66%{transform:translate(2px,-2px)} 100%{transform:translate(0,0)}
}
@media (prefers-reduced-motion: reduce){ .fx-grain{ animation:none; } }

/* ── boot screen ────────────────────────────────────────────────── */
.boot{
  position:fixed; inset:0; z-index:40;
  display:grid; place-items:center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(20,40,60,.35), transparent 70%),
    rgba(3,5,8,.86);
  backdrop-filter:blur(3px);
  transition:opacity .9s ease, visibility .9s;
}
.boot.gone{ opacity:0; visibility:hidden; }
.boot-inner{ text-align:center; max-width:min(760px,88vw); padding:0 20px; }
.boot-rule{
  height:1px; width:110px; margin:0 auto 26px;
  background:linear-gradient(90deg,transparent,var(--red),transparent);
}
.boot-class{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.34em;
  color:var(--dimmer); margin-bottom:26px;
}
.boot-title{
  font-family:var(--disp); font-weight:200; letter-spacing:.03em;
  font-size:clamp(38px,8.2vw,92px); line-height:.98; margin-bottom:22px;
}
.boot-title em{
  font-style:normal; font-weight:700;
  color:transparent;
  background:linear-gradient(180deg,#fff 0%,var(--de) 55%,#c07a12 100%);
  -webkit-background-clip:text; background-clip:text;
  text-shadow:0 0 44px rgba(255,200,87,.25);
}
.boot-title span{ color:#b9c8d6; }
.boot-sub{
  font-size:15px; color:var(--dim); max-width:44ch; margin:0 auto 38px; line-height:1.65;
}
.boot-meta{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
  margin-bottom:40px;
}
.boot-meta div{ background:var(--bg2); padding:15px 8px; }
.boot-meta b{
  display:block; font-family:var(--mono); font-size:19px; font-weight:500;
  color:var(--de); letter-spacing:.02em;
}
.boot-meta span{
  display:block; font-family:var(--mono); font-size:9.5px; letter-spacing:.15em;
  color:var(--dimmer); text-transform:uppercase; margin-top:5px;
}
.boot-note{ font-family:var(--mono); font-size:10.5px; color:var(--dimmer); margin-top:22px; letter-spacing:.06em; }

.btn-major{
  display:inline-flex; align-items:center; gap:11px;
  font-family:var(--mono); font-size:12px; letter-spacing:.22em;
  padding:14px 30px; border:1px solid var(--line2);
  background:linear-gradient(180deg, rgba(255,200,87,.07), rgba(255,200,87,.02));
  color:var(--ink); transition:.22s;
}
.btn-major:hover{ border-color:var(--de); color:var(--de); background:rgba(255,200,87,.1); box-shadow:0 0 30px rgba(255,200,87,.16) inset; }
.btn-major .k{ color:var(--de); }
.btn-major.danger:hover{ border-color:var(--red); color:var(--red); background:rgba(255,68,56,.1); box-shadow:0 0 30px rgba(255,68,56,.16) inset; }
.btn-major.danger .k{ color:var(--red); }
.btn-major[disabled]{ opacity:.35; pointer-events:none; }
.btn-min{
  font-family:var(--mono); font-size:10.5px; letter-spacing:.18em;
  padding:12px 16px; border:1px solid var(--line); color:var(--dim); transition:.2s;
}
.btn-min:hover{ border-color:var(--line2); color:var(--ink); }

/* ── top bar ────────────────────────────────────────────────────── */
.top{
  position:fixed; top:0; left:0; right:0; height:var(--top); z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 18px; gap:16px;
  background:linear-gradient(180deg, rgba(5,7,11,.94), rgba(5,7,11,.55) 70%, transparent);
  border-bottom:1px solid rgba(27,39,51,.7);
}
.brand{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
.brand-mark{
  width:9px; height:9px; background:var(--red); border-radius:50%;
  box-shadow:0 0 12px var(--red); animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{opacity:1} 50%{opacity:.25} }
.brand-txt{ font-family:var(--mono); font-size:11px; letter-spacing:.26em; color:var(--dim); }

.chapters{ display:flex; gap:2px; flex:1 1 auto; justify-content:center; overflow-x:auto; scrollbar-width:none; }
.chapters::-webkit-scrollbar{ display:none; }
.chapters button{
  font-family:var(--mono); font-size:10px; letter-spacing:.16em;
  padding:9px 13px; color:var(--dimmer); white-space:nowrap;
  border-bottom:1px solid transparent; transition:.2s;
}
.chapters button:hover{ color:var(--ink); }
.chapters button .rn{ color:var(--line2); margin-right:7px; }
.chapters button.on{ color:var(--de); border-bottom-color:var(--de); }
.chapters button.on .rn{ color:var(--de); }

.tools{ display:flex; gap:8px; flex:0 0 auto; }
.tool{
  font-family:var(--mono); font-size:10px; letter-spacing:.16em;
  padding:8px 12px; border:1px solid var(--line); color:var(--dimmer); transition:.2s;
  display:flex; align-items:center; gap:8px;
}
.tool:hover{ border-color:var(--line2); color:var(--ink); }
.tool[aria-pressed="true"]{ color:var(--grn); border-color:rgba(94,255,192,.4); }
.eq{ display:flex; align-items:flex-end; gap:2px; height:11px; }
.eq i{ width:2px; height:3px; background:currentColor; opacity:.5; }
.tool[aria-pressed="true"] .eq i{ animation:eq .9s ease-in-out infinite; opacity:1; }
.eq i:nth-child(2){ animation-delay:.14s } .eq i:nth-child(3){ animation-delay:.3s } .eq i:nth-child(4){ animation-delay:.45s }
@keyframes eq{ 0%,100%{height:3px} 50%{height:11px} }

/* ── status bar ─────────────────────────────────────────────────── */
.status{
  position:fixed; bottom:0; left:0; right:0; height:var(--bot); z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 18px; gap:16px;
  font-family:var(--mono); font-size:10px; letter-spacing:.14em; color:var(--dimmer);
  background:linear-gradient(0deg, rgba(5,7,11,.94), transparent);
  border-top:1px solid rgba(27,39,51,.6);
}
.st-left{ display:flex; align-items:center; gap:9px; color:var(--dim); }
.st-left .dot{ width:6px; height:6px; border-radius:50%; background:var(--grn); box-shadow:0 0 9px var(--grn); }
.st-mid{ flex:1; text-align:center; color:var(--dimmer); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.st-right{ text-align:right; }

/* ── chapter rails ──────────────────────────────────────────────── */
main{ position:fixed; inset:0; z-index:10; pointer-events:none; }
.ch{
  position:absolute; inset:0;
  opacity:0; visibility:hidden; transition:opacity .55s ease, visibility .55s;
}
.ch.on{ opacity:1; visibility:visible; }

.rail{
  position:absolute; top:var(--top); bottom:var(--bot); width:var(--rail);
  pointer-events:auto; overflow-y:auto; overscroll-behavior:contain;
  scrollbar-width:thin; scrollbar-color:var(--line2) transparent;
}
.rail::-webkit-scrollbar{ width:7px; }
.rail::-webkit-scrollbar-thumb{ background:var(--line2); }
.rail-l{
  left:0;
  background:linear-gradient(90deg, rgba(5,7,11,.93) 0%, rgba(5,7,11,.86) 72%, transparent 100%);
}
.rail-r{
  right:0;
  background:linear-gradient(270deg, rgba(5,7,11,.93) 0%, rgba(5,7,11,.86) 72%, transparent 100%);
}
.rail-in{ padding:26px 24px 40px; }
.rail-r .rail-in{ padding-top:22px; }

.ch.on .rail-l .rail-in{ animation:slideL .7s cubic-bezier(.16,1,.3,1) both; }
.ch.on .rail-r .rail-in{ animation:slideR .7s .06s cubic-bezier(.16,1,.3,1) both; }
@keyframes slideL{ from{opacity:0; transform:translateX(-22px)} to{opacity:1; transform:none} }
@keyframes slideR{ from{opacity:0; transform:translateX(22px)} to{opacity:1; transform:none} }

.ch-no{
  font-family:var(--mono); font-size:10px; letter-spacing:.3em; color:var(--red);
  margin-bottom:10px;
}
.ch-title{
  font-weight:200; font-size:40px; line-height:1.02; letter-spacing:-.01em;
  margin-bottom:16px; color:#f2f7fb;
}
.lede{ font-size:14.5px; color:#c3cfdb; margin-bottom:14px; }
.ch p{ color:var(--dim); margin-bottom:14px; font-size:13.5px; }
.ch p.small{ font-size:12px; }
.ch p.tiny{ font-size:10.5px; font-family:var(--mono); letter-spacing:.05em; color:var(--dimmer); line-height:1.75; }

.panel-h{
  font-family:var(--mono); font-size:9.5px; letter-spacing:.26em; color:var(--dimmer);
  padding-bottom:8px; margin:26px 0 12px; border-bottom:1px solid var(--line);
}
.rail-r .panel-h:first-child{ margin-top:0; }

.callout{
  border-left:2px solid var(--line2); padding:11px 0 11px 14px;
  font-size:11.5px; color:var(--dimmer); line-height:1.7; margin:18px 0;
  font-family:var(--mono); letter-spacing:.01em;
}

/* ── legend ─────────────────────────────────────────────────────── */
.legend{ display:flex; flex-direction:column; gap:1px; margin-top:20px; }
.legend button{
  display:flex; align-items:center; gap:11px; width:100%;
  padding:9px 11px; background:rgba(255,255,255,.018);
  border:1px solid transparent; transition:.18s; text-align:left;
}
.legend button:hover{ background:rgba(255,255,255,.05); }
.legend button.off{ opacity:.3; }
.legend .sw{ width:10px; height:10px; flex:0 0 auto; box-shadow:0 0 10px currentColor; }
.legend .nm{ flex:1; font-size:12px; color:var(--ink); }
.legend .ct{ font-family:var(--mono); font-size:11px; color:var(--dim); }

.legend-h{
  font-family:var(--mono); font-size:9px; letter-spacing:.22em; color:var(--dimmer);
  text-transform:uppercase; margin:12px 0 4px; padding-left:1px;
}
.legend-h:first-child{ margin-top:0; }

/* ── scale switch ───────────────────────────────────────────────── */
.viewSwitch{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); }
.viewSwitch button{
  background:var(--bg2); padding:11px 10px; text-align:left; transition:.2s;
  border-left:2px solid transparent;
}
.viewSwitch button:hover{ background:rgba(255,255,255,.05); }
.viewSwitch button b{
  display:block; font-family:var(--mono); font-size:11px; letter-spacing:.18em;
  color:var(--dim); font-weight:500;
}
.viewSwitch button span{
  display:block; font-family:var(--mono); font-size:9px; letter-spacing:.1em;
  color:var(--dimmer); margin-top:4px;
}
.viewSwitch button.on{ background:rgba(255,200,87,.08); border-left-color:var(--de); }
.viewSwitch button.on b{ color:var(--de); }

.hawkCard .readout b{ color:var(--grn); }
.sc-tag{
  font-family:var(--mono); font-size:9px; letter-spacing:.2em;
  text-transform:uppercase; margin-bottom:6px; opacity:.8;
}

/* ── control switches ───────────────────────────────────────────── */
.ctrls{ display:flex; flex-direction:column; gap:1px; }
.sw-row{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:10px 11px; background:rgba(255,255,255,.018); cursor:pointer;
  transition:.18s; border:1px solid transparent;
}
.sw-row:hover{ background:rgba(255,255,255,.05); }
.sw-row .lb{ font-size:12px; color:var(--ink); }
.sw-row .sb{ font-family:var(--mono); font-size:9.5px; color:var(--dimmer); letter-spacing:.1em; }
.sw-box{
  width:34px; height:16px; border:1px solid var(--line2); position:relative; flex:0 0 auto;
  transition:.2s;
}
.sw-box::after{
  content:""; position:absolute; top:2px; left:2px; width:10px; height:10px;
  background:var(--dimmer); transition:.2s;
}
.sw-row.on .sw-box{ border-color:var(--de); box-shadow:0 0 12px rgba(255,200,87,.3); }
.sw-row.on .sw-box::after{ left:20px; background:var(--de); box-shadow:0 0 8px var(--de); }

/* ── site card ──────────────────────────────────────────────────── */
.siteCard .empty, .areaCard .empty{
  font-family:var(--mono); font-size:11px; color:var(--dimmer); padding:14px 0; letter-spacing:.05em;
}
.sc-name{ font-size:20px; font-weight:300; margin-bottom:3px; }
.sc-unit{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; margin-bottom:14px; }
.sc-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:12px; }
.sc-grid div{ background:var(--bg2); padding:9px 10px; }
.sc-grid b{ display:block; font-family:var(--mono); font-size:12px; color:var(--ink); }
.sc-grid span{ display:block; font-family:var(--mono); font-size:9px; letter-spacing:.14em; color:var(--dimmer); margin-top:3px; text-transform:uppercase; }
.sc-note{ font-size:12px; color:var(--dim); border-left:2px solid var(--line2); padding-left:11px; margin-bottom:12px; }
.sc-act{ display:flex; gap:8px; }

.readout{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); }
.readout div{ background:var(--bg2); padding:9px 11px; font-family:var(--mono); font-size:11px; color:var(--dim); letter-spacing:.05em; }
.readout b{ color:var(--de); font-weight:500; }

/* ── chapter II ─────────────────────────────────────────────────── */
.hotlist{ display:flex; flex-direction:column; gap:1px; margin-top:20px; }
.hotlist button{
  display:flex; align-items:baseline; gap:12px; padding:11px; text-align:left;
  background:rgba(255,255,255,.018); border-left:2px solid transparent; transition:.18s; width:100%;
}
.hotlist button:hover{ background:rgba(255,255,255,.05); }
.hotlist button.on{ background:rgba(255,200,87,.07); border-left-color:var(--de); }
.hotlist .ab{ font-family:var(--mono); font-size:10px; letter-spacing:.14em; color:var(--de); width:44px; flex:0 0 auto; }
.hotlist .nm{ flex:1; font-size:13px; }
.hotlist .sz{ font-family:var(--mono); font-size:10px; color:var(--dimmer); }

.areaCard h4{ font-size:19px; font-weight:300; margin-bottom:4px; }
.areaCard .sub{ font-family:var(--mono); font-size:10px; letter-spacing:.16em; color:var(--de); margin-bottom:14px; }
.areaCard p{ font-size:13px; color:var(--dim); margin-bottom:16px; }
.areaCard .facts{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); }
.areaCard .facts div{ background:var(--bg2); padding:9px 11px; display:flex; justify-content:space-between; gap:12px; }
.areaCard .facts span{ font-family:var(--mono); font-size:9.5px; letter-spacing:.14em; color:var(--dimmer); text-transform:uppercase; flex:0 0 auto; }
.areaCard .facts b{ font-family:var(--mono); font-size:11px; font-weight:400; color:var(--ink); text-align:right; }

/* ── chapter III ────────────────────────────────────────────────── */
.alerts{ display:flex; flex-direction:column; gap:1px; margin-top:20px; }
.al{ padding:12px; background:rgba(255,255,255,.018); border-left:3px solid; }
.al .code{ font-family:var(--mono); font-size:11px; letter-spacing:.24em; }
.al .lbl{ font-size:12px; color:var(--ink); margin:2px 0 5px; }
.al .bd{ font-size:12px; color:var(--dim); }

.readiness{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); }
.readiness div{ background:var(--bg2); padding:10px 11px; display:flex; gap:14px; align-items:baseline; }
.readiness b{ font-family:var(--mono); font-size:12px; color:var(--de); width:66px; flex:0 0 auto; }
.readiness span{ font-size:12px; color:var(--dim); }

.dayCard{ position:relative; }
.day-item{
  display:grid; grid-template-columns:52px 1fr; gap:12px;
  padding:11px 0; border-bottom:1px solid var(--line); cursor:default; transition:.2s;
}
.day-item .t{ font-family:var(--mono); font-size:11px; color:var(--dimmer); padding-top:1px; }
.day-item .ti{ font-size:13px; color:var(--ink); margin-bottom:3px; }
.day-item .bd{ font-size:12px; color:var(--dim); }
.day-item.now{ background:rgba(255,200,87,.05); }
.day-item.now .t{ color:var(--de); }

.insp{ display:flex; flex-direction:column; gap:1px; }
.insp div{ background:rgba(255,255,255,.018); padding:11px; }
.insp b{ font-family:var(--mono); font-size:11px; letter-spacing:.16em; color:var(--red); }
.insp .nm{ font-size:12.5px; color:var(--ink); margin:2px 0 4px; }
.insp .bd{ font-size:12px; color:var(--dim); }

/* ── chapter IV ─────────────────────────────────────────────────── */
.eng-ctl{ display:flex; gap:8px; align-items:stretch; margin:20px 0 22px; }
.eng-log{
  display:flex; flex-direction:column; gap:1px;
  max-height:46vh; overflow-y:auto; scrollbar-width:thin; scrollbar-color:var(--line2) transparent;
}
.eng-log::-webkit-scrollbar{ width:6px; }
.eng-log::-webkit-scrollbar-thumb{ background:var(--line2); }
.el{
  padding:10px 12px; background:rgba(255,255,255,.015);
  border-left:2px solid var(--line); opacity:.25; transition:.4s;
}
.el.hit{ opacity:1; background:rgba(111,227,255,.06); border-left-color:var(--us); }
.el.hit.warn{ background:rgba(255,176,58,.07); border-left-color:var(--amber); }
.el.hit.fire{ background:rgba(255,68,56,.09); border-left-color:var(--red); }
.el .hd{ display:flex; justify-content:space-between; gap:10px; align-items:baseline; }
.el .tt{ font-family:var(--mono); font-size:10.5px; color:var(--de); letter-spacing:.08em; }
.el .ti{ font-size:13px; color:var(--ink); }
.el .bd{ font-size:12px; color:var(--dim); margin-top:5px; }

.scopewrap{ position:relative; width:100%; aspect-ratio:1; margin-bottom:16px; }
#scope{ width:100%; height:100%; display:block; }
.scope-hud{
  position:absolute; inset:0; pointer-events:none;
  display:flex; flex-direction:column; justify-content:space-between; padding:10px 12px;
  font-family:var(--mono); font-size:10px; letter-spacing:.16em;
}
.sh-state{ color:var(--dim); align-self:flex-start; padding:3px 8px; border:1px solid var(--line2); }
.sh-state.blue{ color:var(--us); border-color:var(--us); box-shadow:0 0 16px rgba(111,227,255,.25); }
.sh-state.red{ color:var(--red); border-color:var(--red); box-shadow:0 0 16px rgba(255,68,56,.3); animation:pulse 1s infinite; }
.sh-clock{ color:var(--de); align-self:flex-end; font-size:13px; letter-spacing:.1em; }

/* ── chapter V ──────────────────────────────────────────────────── */
.reck{ display:flex; flex-direction:column; gap:2px; margin:20px 0; }
.rk{ padding:15px 0; border-top:1px solid var(--line); }
.rk h4{ font-size:16px; font-weight:400; color:#eef4f9; margin-bottom:7px; }
.rk p{ font-size:13px; margin:0; }

.tl{ position:relative; padding-left:20px; }
.tl::before{ content:""; position:absolute; left:4px; top:6px; bottom:6px; width:1px; background:var(--line2); }
.tl div{ position:relative; padding:8px 0; }
.tl div::before{
  content:""; position:absolute; left:-19px; top:14px; width:7px; height:7px;
  background:var(--bg); border:1px solid var(--dimmer); border-radius:50%;
}
.tl div.key::before{ background:var(--red); border-color:var(--red); box-shadow:0 0 10px var(--red); }
.tl b{ font-family:var(--mono); font-size:11px; color:var(--de); letter-spacing:.1em; margin-right:9px; }
.tl span{ font-size:12.5px; color:var(--dim); }

.calc{ display:flex; flex-direction:column; gap:16px; margin:16px 0 20px; }
.sl label{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:8px; }
.sl .lb{ font-size:12px; color:var(--ink); }
.sl .vl{ font-family:var(--mono); font-size:13px; color:var(--de); }
.sl input[type=range]{
  -webkit-appearance:none; appearance:none; width:100%; height:2px;
  background:var(--line2); outline:none; cursor:pointer;
}
.sl input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none; width:13px; height:13px; background:var(--de);
  cursor:pointer; box-shadow:0 0 12px rgba(255,200,87,.6);
}
.sl input[type=range]::-moz-range-thumb{
  width:13px; height:13px; background:var(--de); border:none; cursor:pointer;
}
.sl .hint{ font-family:var(--mono); font-size:9.5px; color:var(--dimmer); letter-spacing:.1em; margin-top:6px; }

.calcOut{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:18px; }
.calcOut div{ background:var(--bg2); padding:13px 12px; }
.calcOut b{ display:block; font-family:var(--mono); font-size:20px; font-weight:400; color:var(--red); }
.calcOut span{ display:block; font-family:var(--mono); font-size:9px; letter-spacing:.14em; color:var(--dimmer); text-transform:uppercase; margin-top:5px; line-height:1.5; }
#fireAll{ width:100%; justify-content:center; margin-bottom:14px; }

/* ── map labels & tooltip ───────────────────────────────────────── */
.labels{ position:fixed; inset:0; z-index:8; pointer-events:none; }
.lab{
  position:absolute; transform:translate(9px,-50%);
  font-family:var(--mono); font-size:9.5px; letter-spacing:.1em;
  color:rgba(210,225,240,.7); white-space:nowrap;
  text-shadow:0 0 8px rgba(0,0,0,.95), 0 1px 3px #000;
  transition:opacity .3s;
}
.lab::before{
  content:""; position:absolute; left:-7px; top:50%; width:5px; height:1px;
  background:rgba(210,225,240,.35);
}
.lab.hot{ color:#fff; font-size:10.5px; }
.lab.city{
  transform:translate(-100%,-50%) translateX(-9px);
  color:rgba(150,180,205,.55); font-size:9px; letter-spacing:.16em;
  text-transform:uppercase;
}
.lab.city::before{ left:auto; right:-7px; background:rgba(150,180,205,.3); }
.lab.site{
  transform:translate(-50%,-160%);
  font-size:10px; letter-spacing:.2em; text-transform:uppercase;
  color:rgba(255,200,87,.92); padding:2px 6px;
  background:rgba(5,8,12,.55); border:1px solid rgba(255,200,87,.22);
}
.lab.site::before{ display:none; }
.lab.site.dim{
  color:rgba(255,200,87,.62); border-color:transparent; background:none;
  transform:translate(-50%,-50%); letter-spacing:.14em; text-transform:none;
}

.tooltip{
  position:fixed; z-index:9; pointer-events:none;
  background:rgba(5,8,12,.95); border:1px solid var(--line2);
  padding:9px 12px; min-width:170px;
  box-shadow:0 12px 40px rgba(0,0,0,.7);
  transform:translate(14px,-50%);
}
.tooltip .tn{ font-size:13px; color:var(--ink); }
.tooltip .tu{ font-family:var(--mono); font-size:10px; letter-spacing:.1em; margin-top:3px; }
.tooltip .tk{ font-family:var(--mono); font-size:9px; letter-spacing:.14em; color:var(--dimmer); margin-top:6px; text-transform:uppercase; }

/* ── sources sheet ──────────────────────────────────────────────── */
.sheet{
  position:fixed; inset:0; z-index:45; display:grid; place-items:center;
  background:rgba(3,5,8,.9); backdrop-filter:blur(6px); padding:24px;
}
.sheet-in{
  max-width:640px; width:100%; max-height:82vh; overflow-y:auto;
  background:var(--bg2); border:1px solid var(--line2); padding:34px; position:relative;
}
.sheet-x{ position:absolute; top:14px; right:16px; color:var(--dimmer); font-size:15px; }
.sheet-x:hover{ color:var(--ink); }
.sheet h3{ font-weight:300; font-size:24px; margin-bottom:14px; }
.sheet p{ color:var(--dim); font-size:12.5px; margin-bottom:16px; }
.srcs{ list-style:none; display:flex; flex-direction:column; gap:1px; margin-bottom:20px; }
.srcs li{ background:rgba(255,255,255,.02); padding:8px 11px; font-size:12px; }
.srcs a{ color:var(--dim); border:none; }
.srcs a:hover{ color:var(--us); }

.nogl{ position:fixed; inset:0; display:grid; place-items:center; z-index:60; background:var(--bg); padding:40px; text-align:center; color:var(--dim); }

/* ── narrow screens ─────────────────────────────────────────────── */
@media (max-width: 1180px){
  :root{ --rail:308px; }
  .ch-title{ font-size:32px; }
}

/* Below this width the two rails stop being rails and become one bottom
   sheet, so the canvas keeps the whole upper half of the screen. */
@media (max-width: 940px){
  :root{ --top:50px; }
  .panel-toggle{ display:flex !important; }

  .ch{
    top:auto; bottom:var(--bot); height:48vh;
    overflow-y:auto; overscroll-behavior:contain; pointer-events:auto;
    background:linear-gradient(180deg, rgba(5,7,11,0) 0, rgba(5,7,11,.95) 34px, rgba(5,7,11,.97) 100%);
    transition:opacity .45s ease, visibility .45s, height .35s cubic-bezier(.16,1,.3,1);
    scrollbar-width:thin; scrollbar-color:var(--line2) transparent;
  }
  body.panels-hidden .ch{ height:0; overflow:hidden; }

  .rail{
    position:static; width:100%; height:auto; max-height:none;
    overflow:visible; background:none;
  }
  .rail-in{ padding:22px 18px 10px; }
  .rail-r .rail-in{ padding-top:4px; }
  .ch.on .rail-l .rail-in,
  .ch.on .rail-r .rail-in{ animation:slideUp .55s cubic-bezier(.16,1,.3,1) both; }
  @keyframes slideUp{ from{opacity:0; transform:translateY(18px)} to{opacity:1; transform:none} }

  .ch-title{ font-size:27px; }
  .lede{ font-size:13px; }
  .boot-meta{ grid-template-columns:repeat(2,1fr); }
  .st-mid{ display:none; }
  .eng-log{ max-height:none; }
  .scopewrap{ max-width:280px; margin-inline:auto; }
  .labels{ display:none; }
  #stHint{ display:none; }
  .chapters{ justify-content:flex-start; }
  .st-right{ flex:0 0 auto; }
}
@media (max-width: 620px){
  .brand-txt{ display:none; }
  .tool{ padding:8px 9px; }
  .ch-title{ font-size:23px; }
}

.panel-toggle{
  display:none; align-items:center; gap:7px;
  font-family:var(--mono); font-size:9.5px; letter-spacing:.16em;
  color:var(--dim); padding:4px 9px; border:1px solid var(--line2);
}
body.panels-hidden .panel-toggle .caret{ transform:rotate(180deg); }
.panel-toggle .caret{ transition:transform .3s; }