/* ============================================================
   Endless Rails — interface
   Calm, cinematic, legible over both a bright sky and a night
   scene. Everything here is offline: no fonts, no images, no CDN.
   ============================================================ */

:root{
  color-scheme:dark;

  /* palette — --ink/--dim/--panel/--line/--warm/--accent are referenced widely */
  --ink:#eef2f4;
  --ink-2:#c8d4da;
  --dim:#93a4ad;
  --panel:rgba(14,20,26,.82);
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.07);
  --warm:#ffcf87;
  --accent:#7fd4c1;
  --hot:#ff8f7a;
  --shade:4,8,11;               /* the scrim/shadow ink, as r,g,b */
  --fade:13,19,25;              /* panel ink, for the scroll fade */

  /* form */
  --r-lg:20px;
  --r-md:12px;
  --r-sm:10px;
  --pad:clamp(20px,4vw,28px);
  --gut:clamp(14px,3vw,34px);   /* overlay gutter */
  --ease:cubic-bezier(.22,.68,.36,1);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* viewport-fit=cover means the notch/rounded corners are ours to dodge */
  --sa-t:env(safe-area-inset-top,0px);
  --sa-r:env(safe-area-inset-right,0px);
  --sa-b:env(safe-area-inset-bottom,0px);
  --sa-l:env(safe-area-inset-left,0px);
}

*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:#0b0f13;color:var(--ink);
  font:14px/1.45 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility}
#view{position:fixed;inset:0;display:block;width:100%;height:100%}
.hidden{display:none!important}
/* No border-radius here: an outline follows the element's own corners, and
   forcing one would reshape the button it is meant to be pointing at. */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
input:focus-visible,select:focus-visible{outline-offset:1px}
::selection{background:rgba(127,212,193,.28)}

/* ============================================================
   HUD
   ============================================================ */
#hud{position:fixed;inset:0;z-index:2;pointer-events:none;
  text-shadow:0 1px 2px rgba(var(--shade),.85),0 1px 16px rgba(var(--shade),.55)}

/* Soft scrims keep the readouts legible over snow, sun and sky. */
#hud::before,#hud::after{content:"";position:absolute;left:0;right:0;z-index:0;pointer-events:none}
#hud::before{top:0;height:16%;
  background:linear-gradient(to bottom,rgba(var(--shade),.44),rgba(var(--shade),0))}
#hud::after{bottom:0;height:36%;
  background:linear-gradient(to top,rgba(var(--shade),.56),rgba(var(--shade),.16) 46%,rgba(var(--shade),0))}

.hud-left,.hud-right,#cam-label,#fps,#hint,#toast-wrap{position:absolute;z-index:1}

/* Local scrims under each cluster. The full-width gradients alone cannot carry
   white type over snow, and darkening the whole frame would flatten the view. */
.hud-left::before,.hud-right::before{content:"";position:absolute;z-index:-1;pointer-events:none;
  inset:-32px -56px -36px -48px;
  background:radial-gradient(76% 84% at var(--anchor) 78%,
    rgba(var(--shade),.66),rgba(var(--shade),.34) 52%,rgba(var(--shade),0) 77%)}
.hud-left::before{--anchor:24%}
.hud-right::before{--anchor:76%}

/* --- speed cluster (the focal point) --- */
.hud-left{left:max(clamp(16px,2.4vw,30px),var(--sa-l));bottom:max(clamp(18px,2.6vh,26px),var(--sa-b))}
.speed{display:flex;align-items:baseline;gap:8px;
  font-size:clamp(42px,5.4vw,62px);font-weight:200;line-height:.9;letter-spacing:-.035em;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.speed small{font-size:12px;font-weight:500;letter-spacing:.1em;color:var(--ink-2);opacity:.8;
  transform:translateY(-1px)}

.meters{margin-top:14px;display:grid;gap:6px}
.meter{display:flex;align-items:center;gap:10px}
.mk{width:20px;font-size:9px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-2);opacity:.7}
/* A dark track reads against snow; the inset hairline keeps it visible at night. */
.bar-track{position:relative;width:clamp(104px,13vw,170px);height:4px;border-radius:99px;
  background:rgba(var(--shade),.5);overflow:hidden;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
/* quarter ticks, drawn over the fill so it reads as a gauge */
.bar-track::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,
    rgba(var(--shade),0) 0 calc(25% - 1px),rgba(var(--shade),.6) calc(25% - 1px) 25%)}
#throttle-bar,#brake-bar{height:100%;width:0;border-radius:99px;transition:width .12s linear}
#throttle-bar{background:linear-gradient(90deg,rgba(127,212,193,.5),var(--accent));
  box-shadow:0 0 12px rgba(127,212,193,.45)}
#brake-bar{background:linear-gradient(90deg,rgba(255,143,122,.45),var(--hot));
  box-shadow:0 0 12px rgba(255,143,122,.4)}

/* main.js rewrites gear.className, so this may only be styled by id */
#gear{display:inline-block;margin-top:12px;padding:4px 11px;border-radius:99px;
  border:1px solid rgba(255,255,255,.16);background:rgba(var(--shade),.5);
  font-size:10px;font-weight:600;letter-spacing:.2em;color:var(--ink-2);
  transition:color .25s,border-color .25s,background .25s}
#gear.rev{color:var(--warm);border-color:rgba(255,207,135,.4);background:rgba(48,34,14,.62)}
#gear.hb{color:var(--hot);border-color:rgba(255,143,122,.46);background:rgba(56,19,15,.62)}

/* --- journey cluster --- */
.hud-right{right:max(clamp(16px,2.4vw,30px),var(--sa-r));bottom:max(clamp(18px,2.6vh,26px),var(--sa-b));
  display:flex;flex-direction:column;align-items:flex-end;gap:4px;text-align:right}
#clock{font-size:clamp(21px,2.3vw,28px);font-weight:200;letter-spacing:.03em;line-height:1.1;
  font-variant-numeric:tabular-nums}
#place{color:var(--warm);font-size:10.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase}
.hud-meta{display:flex;align-items:center;gap:9px}
.hud-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--ink-2);opacity:.6}
#weather,#dist{color:var(--ink-2);font-size:11.5px;letter-spacing:.05em;opacity:.88}
#dist{font-variant-numeric:tabular-nums}
#next-st{min-height:16px;color:var(--accent);font-size:11.5px;letter-spacing:.05em}
#next-st:not(:empty)::before{content:"Next ";color:var(--ink-2);opacity:.8}

/* --- quiet corners ---
   Both sit outside the cluster scrims, so they carry their own: a chip that
   disappears into a night scene and saves them over a white one. */
#cam-label{left:50%;transform:translateX(-50%);bottom:max(clamp(18px,2.6vh,26px),var(--sa-b));
  padding:4px 12px;border-radius:99px;background:rgba(var(--shade),.42);
  color:rgba(238,242,244,.72);font-size:10px;letter-spacing:.24em;text-transform:uppercase}
#fps{top:max(12px,var(--sa-t));right:max(14px,var(--sa-r));
  padding:3px 8px;border-radius:99px;background:rgba(var(--shade),.42);
  font:10.5px/1.3 var(--mono);color:rgba(238,242,244,.68);
  letter-spacing:.04em;font-variant-numeric:tabular-nums}

#hint{left:50%;top:max(clamp(12px,2vh,18px),var(--sa-t));transform:translate(-50%,-6px);
  max-width:min(94vw,860px);padding:7px 17px;border-radius:20px;text-align:center;
  color:var(--ink-2);font-size:11px;letter-spacing:.05em;line-height:1.6;
  background:rgba(var(--shade),.62);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;transition:opacity .55s var(--ease),transform .55s var(--ease)}
#hint.show{opacity:1;transform:translate(-50%,0)}

/* --- toasts --- */
#toast-wrap{left:50%;transform:translateX(-50%);top:calc(max(clamp(12px,2vh,18px),var(--sa-t)) + 54px);
  width:min(92vw,520px);display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{max-width:100%;padding:9px 18px;border-radius:14px;text-align:center;
  font-size:12.5px;letter-spacing:.02em;line-height:1.4;overflow-wrap:anywhere;
  background:rgba(11,17,23,.8);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:0 14px 36px rgba(var(--shade),.5);
  animation:pop .5s var(--ease) both}
.toast b{color:var(--warm);font-weight:600}
.toast.out{animation:fade .6s ease forwards}
@keyframes pop{from{opacity:0;transform:translateY(-10px) scale(.97)}to{opacity:1;transform:none}}
@keyframes fade{to{opacity:0;transform:translateY(-8px)}}

/* ============================================================
   Overlays & panels
   ============================================================ */
.overlay{position:fixed;inset:0;z-index:5;display:flex;overflow-y:auto;
  padding:max(var(--gut),var(--sa-t)) max(var(--gut),var(--sa-r))
          max(var(--gut),var(--sa-b)) max(var(--gut),var(--sa-l));
  background:radial-gradient(115% 85% at 50% 16%,rgba(10,16,22,.6),rgba(3,6,9,.9));
  -webkit-backdrop-filter:blur(7px) saturate(.85);backdrop-filter:blur(7px) saturate(.85);
  animation:veil .3s ease both}
@keyframes veil{from{opacity:0}to{opacity:1}}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .overlay{background:radial-gradient(115% 85% at 50% 16%,rgba(10,16,22,.88),rgba(3,6,9,.96))}
}
#loading{z-index:8}

/* max-height + a scrolling body is what keeps every panel inside the viewport,
   however many groups it carries. */
.panel{margin:auto;width:min(410px,100%);max-height:100%;min-height:0;
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(22,30,38,.8),rgba(10,15,20,.9));
  border:1px solid var(--line);border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(24px) saturate(1.3);backdrop-filter:blur(24px) saturate(1.3);
  box-shadow:0 40px 90px rgba(0,0,0,.55),0 2px 10px rgba(0,0,0,.3),
             inset 0 1px 0 rgba(255,255,255,.07);
  animation:rise .42s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.panel.wide{width:auto;max-width:100%;padding:clamp(18px,2.4vw,26px)}
.panel.small{width:auto;max-width:100%}

.panel-head{flex:0 0 auto;padding:var(--pad) var(--pad) 16px;text-align:center}
.panel-head.tight{text-align:left;padding-bottom:14px}
.panel.wide .panel-head{padding:0 0 16px}
/* The mask fades the last few pixels of a scrolling list, so a clipped row
   reads as "there is more" instead of as a mistake. */
.panel-body{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;
  padding:0 var(--pad) 20px;
  -webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - 30px),rgba(0,0,0,.16));
  mask-image:linear-gradient(to bottom,#000 calc(100% - 30px),rgba(0,0,0,.16));
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent}
.panel-body::-webkit-scrollbar{width:9px}
.panel-body::-webkit-scrollbar-track{background:transparent}
.panel-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px;
  border:3px solid transparent;background-clip:padding-box}
.panel-body::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.3);background-clip:padding-box}
.panel.wide .panel-body{padding:0 0 18px}
.panel-foot{flex:0 0 auto;padding:16px var(--pad) calc(var(--pad) - 4px);
  border-top:1px solid var(--line-2)}
.panel.wide .panel-foot{padding:14px 0 0}

h1{margin:0;font-size:clamp(28px,5.2vw,36px);font-weight:200;letter-spacing:-.02em;line-height:1.12}
h2{margin:0;font-size:clamp(17px,2.4vw,21px);font-weight:300;letter-spacing:.01em}
.tag{margin:9px 0 0;color:var(--dim);font-size:12.5px;line-height:1.5}
.dim{margin:0;color:var(--dim);font-size:11.5px;line-height:1.6}
.panel-foot .dim:not(:first-child){margin-top:14px}

/* menu emblem: a line running to the horizon */
.mark{display:block;width:38px;height:38px;margin:0 auto 16px;overflow:visible;
  fill:none;stroke-width:1.4;stroke-linecap:round}
.m-hz{stroke:var(--dim);opacity:.45}
.m-sun{fill:var(--warm);stroke:none;opacity:.9}
.m-rail{stroke:var(--accent);opacity:.9}
.m-tie{stroke:var(--dim);stroke-width:1.1;opacity:.55}

/* ============================================================
   Controls
   ============================================================ */
button{font:inherit;font-size:13.5px;color:var(--ink);letter-spacing:.01em;
  background:rgba(255,255,255,.065);border:1px solid var(--line);border-radius:var(--r-md);
  padding:11px 16px;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s,box-shadow .18s,transform .1s}
button:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2)}
button:active{transform:translateY(1px)}
button.primary{color:#06231e;font-weight:600;border-color:transparent;
  background:linear-gradient(180deg,#8fdcca,#63c3ae);
  box-shadow:0 10px 26px rgba(99,195,174,.2)}
button.primary:hover{filter:brightness(1.06);box-shadow:0 12px 30px rgba(99,195,174,.28)}
/* Unavailable, not merely faint: a flat, hollow chip with a barred cursor.
   #btn-continue sits like this until there is a journey to continue. */
button:disabled{cursor:not-allowed;color:rgba(238,242,244,.32);font-weight:400;
  background:rgba(255,255,255,.028);border:1px dashed rgba(255,255,255,.12);
  box-shadow:none;filter:none;transform:none}
button:disabled:hover{background:rgba(255,255,255,.028);border-color:rgba(255,255,255,.12);
  box-shadow:none;filter:none}
button:disabled:active{transform:none}
#menu-buttons,#pause-buttons{display:grid;gap:10px}
#menu-buttons{margin:2px 0 18px}

.row{display:grid;grid-template-columns:1fr 152px;align-items:center;gap:14px;
  min-height:38px;margin:2px 0}
.row label{color:var(--dim);font-size:12.5px;cursor:pointer;transition:color .15s}
.row:hover label{color:var(--ink-2)}
.seed-row{grid-template-columns:1fr 174px}
.seed{display:flex;gap:8px}
.seed input{flex:1 1 auto;min-width:0}

input[type=text],select{width:100%;font:inherit;font-size:13px;color:var(--ink);
  background:rgba(0,0,0,.32);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:9px 10px;transition:border-color .18s,background .18s}
input[type=text]{letter-spacing:.05em;font-variant-numeric:tabular-nums}
input[type=text]:hover,select:hover{border-color:rgba(255,255,255,.22)}
input[type=text]:focus,select:focus{outline:none;background:rgba(0,0,0,.42);
  border-color:rgba(127,212,193,.55);box-shadow:0 0 0 3px rgba(127,212,193,.14)}
input[type=text]:focus-visible,select:focus-visible{outline:2px solid var(--accent)}
select{appearance:none;-webkit-appearance:none;padding-right:28px;cursor:pointer;
  text-overflow:ellipsis}
option{background:#101820;color:var(--ink)}
.sel{position:relative;display:block}
.sel::after{content:"";position:absolute;right:12px;top:calc(50% - 4.5px);
  width:6px;height:6px;pointer-events:none;transform:rotate(45deg);
  border-right:1.5px solid var(--dim);border-bottom:1.5px solid var(--dim);
  transition:border-color .18s}
.sel:hover::after{border-right-color:var(--ink);border-bottom-color:var(--ink)}

button.icon{flex:0 0 auto;width:38px;height:38px;padding:0;border-radius:var(--r-sm);
  display:grid;place-items:center}
button.icon svg{width:16px;height:16px;fill:none;stroke:var(--dim);stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
  transition:stroke .18s,transform .4s var(--ease)}
button.icon:hover svg{stroke:var(--accent);transform:rotate(120deg)}

input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:20px;
  background:transparent;cursor:pointer;accent-color:var(--accent)}
input[type=range]:focus{outline:none}
input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:99px;
  background:rgba(255,255,255,.18)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;
  margin-top:-5.5px;border:0;border-radius:50%;background:var(--accent);
  box-shadow:0 2px 6px rgba(0,0,0,.5);transition:transform .14s var(--ease)}
input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.15)}
input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px rgba(127,212,193,.35)}
input[type=range]::-moz-range-track{height:3px;border-radius:99px;background:rgba(255,255,255,.18)}
input[type=range]::-moz-range-progress{height:3px;border-radius:99px;background:var(--accent)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border:0;border-radius:50%;
  background:var(--accent);box-shadow:0 2px 6px rgba(0,0,0,.5)}

.group{margin-top:16px;padding-top:15px;border-top:1px solid var(--line-2)}
.group-t{margin:0 0 10px;font-size:9.5px;font-weight:600;letter-spacing:.24em;
  text-transform:uppercase;color:var(--dim);opacity:.85}

/* ============================================================
   Map
   ============================================================ */
.map-frame{width:-moz-fit-content;width:fit-content;max-width:100%;margin:0 auto;
  border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:#0d1319;box-shadow:inset 0 0 50px rgba(0,0,0,.5)}
/* One dimension only, so the frame always hugs the canvas exactly. */
#map-canvas{display:block;width:min(880px,78vw,88vh);height:auto;max-width:100%}
.map-legend{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:9px 20px;margin-top:15px;color:var(--dim);font-size:11.5px;letter-spacing:.04em}
.map-legend span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.sw{flex:0 0 auto;font-style:normal}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot.station{background:var(--warm);box-shadow:0 0 7px rgba(255,207,135,.5)}
.dot.station.faint{background:rgba(255,207,135,.34);box-shadow:none}
.sw.line{width:18px;height:0;border-top:3px solid #41565f}
.sw.line.ahead{border-top:2px dashed rgba(127,212,193,.7)}
/* the same arrowhead the canvas draws for the train */
.sw.tri{width:0;height:0;border:5px solid transparent;border-right:0;
  border-left:9px solid var(--accent);filter:drop-shadow(0 0 5px rgba(127,212,193,.5))}

/* ============================================================
   Help
   ============================================================ */
.panel.wide.help-panel{width:min(680px,100%)}
.keys{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:20px 36px}
.key-group dl{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px 14px;margin:0}
.key-group dt{display:flex;align-items:center;gap:5px}
.key-group dd{margin:0;font-size:12.5px;color:var(--ink);opacity:.9}
kbd{display:inline-block;min-width:25px;padding:4px 7px;text-align:center;
  font:600 10.5px/1 var(--mono);letter-spacing:.06em;color:var(--ink);
  background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.05));
  border:1px solid var(--line);border-bottom-color:rgba(0,0,0,.45);border-radius:7px;
  box-shadow:0 1px 0 rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.08)}
/* inline in a sentence: smaller, so it does not shout */
.dim kbd,.note kbd{min-width:0;padding:2px 5px;font-size:9.5px;color:var(--ink-2);
  vertical-align:baseline}
.k-sep{color:var(--dim);font-size:11px}
.note{margin:20px 0 0;color:var(--dim);font-size:11.5px;line-height:2}

/* ============================================================
   Loading — indeterminate, CSS only
   ============================================================ */
.loading-panel{align-items:center;text-align:center;gap:15px;
  padding:26px clamp(28px,6vw,40px) 28px;animation:veil .2s ease both}
.loading-panel .mark{width:34px;height:34px;margin:0}
.loading-panel h2{letter-spacing:.02em}
.loader{position:relative;width:min(250px,58vw);height:5px;border-radius:99px;overflow:hidden;
  background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.07)}
.loader::before{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,
    rgba(255,255,255,.26) 0 1.5px,rgba(255,255,255,0) 1.5px 11px);
  animation:sleepers .9s linear infinite}
.loader i{position:absolute;top:0;bottom:0;left:-45%;width:45%;border-radius:99px;
  background:linear-gradient(90deg,rgba(127,212,193,0),var(--accent),rgba(127,212,193,0));
  box-shadow:0 0 14px rgba(127,212,193,.55);
  animation:run 1.45s cubic-bezier(.6,.05,.35,.95) infinite}
@keyframes sleepers{from{background-position:0 0}to{background-position:-11px 0}}
@keyframes run{from{left:-45%}to{left:100%}}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:620px){
  .hud-left{left:max(15px,var(--sa-l));bottom:max(15px,var(--sa-b))}
  .hud-right{right:max(15px,var(--sa-r));bottom:max(15px,var(--sa-b))}
  .hud-left::before,.hud-right::before{inset:-26px -40px -30px -34px}
  .speed{font-size:clamp(34px,11vw,46px)}
  .meters{margin-top:11px}
  .bar-track{width:clamp(82px,25vw,120px)}
  #gear{margin-top:10px;font-size:9px;letter-spacing:.16em;padding:3px 9px}
  #clock{font-size:20px}
  #place{font-size:9.5px;letter-spacing:.16em}
  #weather,#dist,#next-st{font-size:10.5px}
  /* bottom-centre would collide with the clusters on a phone */
  #cam-label{left:max(12px,var(--sa-l));bottom:auto;top:max(12px,var(--sa-t));transform:none;
    font-size:9px;letter-spacing:.2em;padding:3px 9px}
  #fps{top:max(12px,var(--sa-t));right:max(12px,var(--sa-r))}
  #hint{top:calc(max(12px,var(--sa-t)) + 30px);max-width:min(94vw,430px);
    font-size:10px;padding:7px 14px;line-height:1.7;letter-spacing:.03em}
  #toast-wrap{top:calc(max(12px,var(--sa-t)) + 84px)}
  #hud::after{height:42%}
  .row{grid-template-columns:1fr 46%;gap:10px}
  .seed-row{grid-template-columns:1fr 54%}
  .keys{grid-template-columns:1fr;gap:18px}
  .map-legend{justify-content:flex-start;gap:8px 16px}
  .panel{border-radius:16px}
}

/* ============================================================
   Cinematic landing page and Journey Setup
   ============================================================ */
#menu.landing-overlay{padding:0;overflow:hidden;display:block;background:linear-gradient(90deg,rgba(5,9,12,.86),rgba(5,9,12,.32) 52%,rgba(5,9,12,.48)),linear-gradient(0deg,rgba(4,8,11,.84),transparent 48%,rgba(4,8,11,.22));-webkit-backdrop-filter:none;backdrop-filter:none}
.landing-page{position:relative;min-height:100%;display:flex;flex-direction:column;padding:max(28px,var(--sa-t)) max(5vw,var(--sa-r)) max(26px,var(--sa-b));animation:landingIn .8s var(--ease) both}
.landing-page::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(50% 55% at 25% 45%,rgba(4,11,16,.05),rgba(4,8,11,.42) 100%)}
@keyframes landingIn{from{opacity:0;transform:scale(1.01)}to{opacity:1;transform:none}}
.landing-header,.landing-hero,.landing-footer{position:relative;z-index:1}
.landing-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:12px;padding:0;border:0;background:transparent;color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.2em}
.brand:hover{border:0;background:transparent;color:var(--ink)}
.brand b{color:var(--accent);font-weight:600}
.brand-mark{width:32px;height:32px;fill:none;stroke:var(--accent);stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round}
.brand-mark circle{fill:var(--warm);stroke:none}
.landing-nav{display:flex;gap:30px;align-items:center}
.landing-nav button{padding:6px 0;border:0;background:transparent;color:rgba(238,242,244,.62);font-size:10px;letter-spacing:.18em;text-transform:uppercase}
.landing-nav button:hover,.landing-nav button.active{border:0;background:transparent;color:var(--ink)}
.landing-nav button.active::after{content:"";display:block;width:16px;height:2px;margin:7px auto 0;background:var(--accent);box-shadow:0 0 12px rgba(127,212,193,.6)}
.landing-status{justify-self:end;color:rgba(238,242,244,.58);font:9px var(--mono);letter-spacing:.15em}
.landing-status i{display:inline-block;width:6px;height:6px;margin-right:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(127,212,193,.8)}
.landing-hero{display:flex;align-items:center;flex:1;min-height:0;padding:4vh 0 5vh}
.hero-copy{max-width:560px;padding-left:clamp(0px,4vw,64px)}
.hero-kicker{display:flex;align-items:center;gap:10px;margin:0 0 22px;color:var(--warm);font-size:10px;font-weight:600;letter-spacing:.25em}
.hero-kicker span{width:28px;height:1px;background:var(--warm);box-shadow:0 0 10px rgba(255,207,135,.5)}
.hero-copy h1{margin:0;display:flex;flex-direction:column;font-size:clamp(68px,10vw,148px);font-weight:200;letter-spacing:-.075em;line-height:.79;text-shadow:0 14px 40px rgba(0,0,0,.4)}
.hero-copy h1 span{color:var(--ink)}
.hero-copy h1 strong{color:var(--accent);font-weight:200;margin-left:.9em}
.hero-motto{margin:38px 0 0;color:var(--ink);font-size:13px;font-weight:600;letter-spacing:.28em}
.hero-description{margin:11px 0 0;color:rgba(238,242,244,.68);font-size:14px;letter-spacing:.025em}
.hero-actions{display:flex;align-items:center;gap:14px;margin-top:30px}
.hero-cta,.continue-cta{min-width:210px;min-height:54px;padding:15px 21px;border-radius:10px;display:flex!important;align-items:center;justify-content:space-between!important;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.hero-cta span,.continue-cta span{font-size:22px;font-weight:300;transition:transform .2s var(--ease)}
.hero-cta:hover span,.continue-cta:hover span{transform:translateX(4px)}
.continue-cta{min-width:180px;color:var(--ink);background:rgba(9,14,18,.58);border-color:rgba(255,255,255,.22)}
.hero-hint{margin:15px 0 0;color:rgba(238,242,244,.45);font-size:10px;letter-spacing:.06em}
.hero-hint span{display:inline-block;width:4px;height:4px;margin:0 9px 2px;border-radius:50%;background:rgba(255,255,255,.35)}
.hero-hint kbd{padding:3px 6px;min-width:0;font-size:9px}
.landing-footer{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16)}
.world-pulse{display:flex;align-items:center;gap:14px}.pulse-line{width:38px;height:1px;background:var(--accent);box-shadow:0 0 12px rgba(127,212,193,.5)}
.world-pulse b,.journey-readout b{display:block;color:rgba(238,242,244,.75);font-size:9px;letter-spacing:.18em}.world-pulse small,.journey-readout span{display:block;margin-top:6px;color:rgba(147,164,173,.75);font-size:10px;letter-spacing:.08em}
.journey-readout{text-align:center}.journey-readout span{margin-top:7px;font-family:var(--mono);font-size:10px}
.scroll-cue{justify-self:end;display:flex;align-items:center;gap:12px;color:rgba(238,242,244,.48);font-size:9px;letter-spacing:.2em}.scroll-cue i{display:block;width:1px;height:28px;background:linear-gradient(var(--accent),transparent)}

.setup-overlay{padding:clamp(18px,4vw,54px);background:rgba(4,8,11,.76);-webkit-backdrop-filter:blur(13px) saturate(.8);backdrop-filter:blur(13px) saturate(.8)}
.setup-shell{width:min(930px,100%);max-height:100%;margin:auto;display:flex;flex-direction:column;background:linear-gradient(145deg,rgba(20,29,37,.96),rgba(8,13,18,.97));border:1px solid var(--line);border-radius:20px;box-shadow:0 35px 100px rgba(0,0,0,.65),inset 0 1px 0 rgba(255,255,255,.07);animation:rise .45s var(--ease) both;overflow:hidden}
.setup-header{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;border-bottom:1px solid var(--line-2);color:var(--dim);font:9px var(--mono);letter-spacing:.16em}.setup-step{color:var(--accent)}
.back-link{padding:0;border:0;background:transparent;color:var(--dim);font-size:11px}.back-link:hover{border:0;background:transparent;color:var(--ink)}
.setup-content{overflow:auto;padding:clamp(22px,4vw,38px) clamp(24px,5vw,60px);scrollbar-width:thin}
.setup-title{margin-bottom:28px}.setup-title .hero-kicker{margin-bottom:12px}.setup-title h2{margin:0;font-size:clamp(28px,4vw,42px);font-weight:200;letter-spacing:-.035em}.setup-title>p:last-child{margin:10px 0 0;color:var(--dim);font-size:13px}
.setup-section-label{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--dim);font-size:10px;letter-spacing:.22em}.setup-section-label span{color:var(--accent);font-family:var(--mono)}
.train-select-block{padding-bottom:27px;border-bottom:1px solid var(--line-2)}.train-choice{display:grid;grid-template-columns:40px 1fr 40px;align-items:center;gap:14px}.train-arrow{padding:0;border:0;background:transparent;color:var(--dim);font-size:25px;font-weight:200}.train-arrow:hover{border:0;background:transparent;color:var(--accent)}
.train-card{position:relative;min-height:152px;display:grid;grid-template-columns:1fr 1.2fr auto;align-items:center;gap:20px;padding:18px 22px;border:1px solid rgba(127,212,193,.24);border-radius:14px;background:linear-gradient(110deg,rgba(127,212,193,.12),rgba(255,255,255,.025));overflow:hidden}.train-art{position:relative;height:90px;display:grid;place-items:center;color:var(--accent);font-size:21px;letter-spacing:-.1em;text-shadow:0 0 20px rgba(127,212,193,.65)}.train-glow{position:absolute;width:150px;height:70px;background:radial-gradient(ellipse,rgba(127,212,193,.22),transparent 70%)}.train-silhouette{position:relative;transform:skewX(-16deg)}.train-meta{border-left:1px solid var(--line);padding-left:20px}.train-label{color:var(--dim);font-size:9px;letter-spacing:.2em}.train-meta strong{display:block;margin-top:7px;color:var(--ink);font-size:20px;font-weight:300}.train-meta p{margin:6px 0 0;color:var(--dim);font-size:11px;line-height:1.45}.train-speed{align-self:start;color:var(--warm);font:11px var(--mono);letter-spacing:.08em;white-space:nowrap}.setup-train-select{max-width:300px;margin:14px 54px 0}.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;padding-top:26px}.setup-grid section+section{border-left:1px solid var(--line-2);padding-left:38px}.setup-grid .row{grid-template-columns:1fr 160px}.setup-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 28px;border-top:1px solid var(--line-2)}.setup-footer p{margin:0;color:var(--dim);font-size:11px}.depart-cta{min-width:190px;display:flex;justify-content:space-between;align-items:center}.depart-cta span{font-size:20px}

@media (max-width:760px){
  .landing-page{padding-left:22px;padding-right:22px}.landing-header{grid-template-columns:1fr auto}.landing-nav{display:none}.landing-status{font-size:8px}.hero-copy{padding-left:0}.hero-copy h1{font-size:clamp(58px,17vw,94px)}.hero-motto{margin-top:28px;font-size:10px;letter-spacing:.19em}.hero-description{font-size:12px}.hero-actions{flex-direction:column;align-items:stretch;width:min(100%,300px)}.hero-cta,.continue-cta{width:100%}.landing-footer{grid-template-columns:1fr;gap:17px}.journey-readout{text-align:left}.scroll-cue{display:none}.setup-overlay{padding:0}.setup-shell{min-height:100%;border-radius:0;border-left:0;border-right:0}.setup-header{padding:17px 20px}.setup-content{padding:24px 20px}.train-card{grid-template-columns:1fr;gap:12px}.train-art{height:55px}.train-meta{border-left:0;border-top:1px solid var(--line);padding:12px 0 0}.train-speed{position:absolute;right:18px;top:18px}.setup-train-select{margin-left:0;margin-right:0}.setup-grid{grid-template-columns:1fr;gap:26px}.setup-grid section+section{border-left:0;border-top:1px solid var(--line-2);padding-left:0;padding-top:25px}.setup-footer{padding:16px 20px;flex-direction:column-reverse;align-items:stretch}.setup-footer p{text-align:center}.depart-cta{width:100%}
}

/* The section switcher belongs to Pause, while the landing menu keeps its
   original compact flow. */
.menu-panel{width:min(410px,100%);border-radius:var(--r-lg);overflow:visible;
  background:linear-gradient(180deg,rgba(22,30,38,.8),rgba(10,15,20,.9));
  box-shadow:0 40px 90px rgba(0,0,0,.55),0 2px 10px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.07)}
.menu-panel .panel-head{padding:var(--pad) var(--pad) 16px;text-align:center}
.menu-panel .mark{width:38px;height:38px;margin:0 auto 16px}
.menu-panel h1{font-size:clamp(28px,5.2vw,36px);font-weight:200;letter-spacing:-.02em}
.menu-panel .tag{max-width:none;font-size:12.5px}
.menu-panel .panel-body{padding:0 var(--pad) 20px;overflow-y:auto}
.menu-panel .panel-foot{padding:16px var(--pad) calc(var(--pad) - 4px);background:transparent}
.menu-panel #menu-buttons button{min-height:0;display:block}
.menu-panel #menu-buttons button:not(.primary){justify-content:center;padding-left:16px;padding-right:16px}
.menu-panel #menu-buttons button:not(.primary) b{display:none}
.menu-panel .seed-row{padding:0;margin:2px 0;border-bottom:0}
.menu-panel .group{margin-top:16px;padding-top:15px}

.pause-panel{width:min(410px,100%);border-radius:var(--r-lg)}
.pause-tabs{display:flex;gap:4px;padding:0 22px;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line);background:rgba(0,0,0,.12)}
.pause-tab{position:relative;flex:1;padding:14px 7px 13px;border:0;border-radius:0;background:transparent;color:rgba(147,164,173,.7);font-size:9px;font-weight:600;letter-spacing:.17em;text-transform:uppercase}
.pause-tab:hover{background:rgba(255,255,255,.035);border:0;color:var(--ink-2)}
.pause-tab.active{color:var(--ink)}
.pause-tab.active::after{content:"";position:absolute;left:15%;right:15%;bottom:-1px;height:2px;border-radius:9px;background:var(--accent);box-shadow:0 0 14px rgba(127,212,193,.55)}
.pause-body{padding-top:0;-webkit-mask-image:none;mask-image:none}
.pause-view{display:none;animation:menuViewIn .3s var(--ease) both}
.pause-view.active{display:block}
.pause-view-heading{display:flex;gap:15px;align-items:flex-start;padding:24px 0 5px}
.pause-view-heading h2{font-size:21px;font-weight:300;color:var(--ink)}
.pause-view-heading p{margin:5px 0 0;color:var(--dim);font-size:12px}
.pause-panel .quick-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:20px}
.pause-panel .quick-controls div{display:flex;flex-direction:column;gap:9px;min-height:70px;padding:12px;border:1px solid var(--line-2);border-radius:12px;background:rgba(255,255,255,.025)}
.pause-panel .quick-controls span{color:var(--dim);font-size:11px}
.pause-panel .controls-note{margin:18px 0 3px;color:var(--dim);font-size:11px}
.pause-panel.controls-active{width:min(680px,100%)}
.pause-panel.controls-active .panel-head{padding-top:18px;padding-bottom:12px}
.pause-controls-head{padding:14px 0 10px}
.pause-controls-head h2{margin:0;font-size:21px;font-weight:300}
.pause-controls-head .tag{margin-top:7px}
.pause-panel.controls-active .keys{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 30px}
.pause-panel.controls-active .key-group dl{gap:6px 12px}
.pause-panel.controls-active .key-group dd{font-size:12px}
.pause-panel.controls-active kbd{padding:3px 6px}
.pause-panel.controls-active .note{margin:10px 0 2px}
.pause-panel.controls-active .panel-foot{padding-top:11px;padding-bottom:14px}
.pause-panel.controls-active #pause-buttons{gap:8px}
.pause-panel.controls-active #pause-buttons button{padding-top:9px;padding-bottom:9px}
@media (max-width:620px){
  .pause-tabs{padding:0 12px}
  .pause-tab{font-size:8px;letter-spacing:.12em;padding-left:3px;padding-right:3px}
  .pause-panel .quick-controls{grid-template-columns:repeat(2,1fr)}
  .pause-panel.controls-active .keys{grid-template-columns:1fr;gap:18px}
}
@media (max-width:380px){
  .mk{display:none}
  .bar-track{width:118px}
}
/* landscape phones and short windows */
@media (max-height:560px){
  .speed{font-size:clamp(30px,7vh,40px)}
  .meters{margin-top:9px;gap:5px}
  #gear{margin-top:8px}
  .panel-head{padding-top:18px}
  .panel-head .mark{width:30px;height:30px;margin-bottom:10px}
  .panel-foot{padding-bottom:16px}
  .loading-panel{gap:11px;padding-top:20px;padding-bottom:22px}
  .loading-panel .mark{width:26px;height:26px}
  #hud::after{height:52%}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* ============================================================
   Landing page refresh — a quiet, editorial control surface
   ============================================================ */
.menu-panel{width:min(560px,100%);border-radius:24px;overflow:hidden;
  background:linear-gradient(145deg,rgba(22,31,40,.94),rgba(8,13,18,.94));
  box-shadow:0 42px 120px rgba(0,0,0,.62),0 0 0 1px rgba(127,212,193,.04),inset 0 1px 0 rgba(255,255,255,.08)}
.menu-utility{display:flex;align-items:center;justify-content:space-between;padding:22px 30px 0;color:var(--dim);font-size:9px;letter-spacing:.18em}
.eyebrow{display:flex;align-items:center;gap:8px;white-space:nowrap}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px rgba(127,212,193,.85)}
.utility-copy{font-size:10px;letter-spacing:.05em;color:rgba(147,164,173,.68)}
.menu-panel .panel-head{padding:30px 30px 24px;text-align:left;position:relative}
.menu-panel .mark{width:48px;height:48px;margin:0 0 20px}
.menu-panel h1{font-size:clamp(36px,6vw,52px);letter-spacing:-.045em}
.menu-panel h1 span{color:var(--accent);font-weight:300}
.menu-panel .tag{max-width:310px;font-size:13px;color:#a5b4bb}
.menu-tabs{display:flex;gap:4px;padding:0 22px;border-bottom:1px solid var(--line);background:rgba(0,0,0,.12)}
.menu-tab{position:relative;flex:1;padding:15px 8px 14px;border:0;border-radius:0;background:transparent;color:rgba(147,164,173,.7);font-size:10px;font-weight:600;letter-spacing:.2em;text-transform:uppercase}
.menu-tab:hover{background:rgba(255,255,255,.035);border:0;color:var(--ink-2)}
.menu-tab.active{color:var(--ink)}
.menu-tab.active::after{content:"";position:absolute;left:18%;right:18%;bottom:-1px;height:2px;border-radius:9px;background:var(--accent);box-shadow:0 0 14px rgba(127,212,193,.55)}
.menu-body{padding:0 30px 24px;overflow:visible;-webkit-mask-image:none;mask-image:none}
.menu-view{display:none;animation:menuViewIn .35s var(--ease) both}
.menu-view.active{display:block}
@keyframes menuViewIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.journey-intro{padding:24px 0 18px}
.journey-kicker{display:block;margin-bottom:8px;color:var(--warm);font-size:9px;font-weight:600;letter-spacing:.24em}
.journey-intro strong{display:block;color:var(--ink);font-size:21px;font-weight:300;letter-spacing:-.015em}
.journey-intro p{max-width:390px;margin:7px 0 0;color:var(--dim);font-size:12px;line-height:1.6}
.menu-panel #menu-buttons{gap:9px;margin:0 0 18px}
.menu-panel #menu-buttons button{min-height:48px;display:flex;align-items:center;justify-content:center}
.menu-panel #menu-buttons button:not(.primary){justify-content:space-between;padding-left:18px;padding-right:18px}
.menu-panel #menu-buttons button:not(.primary) b{font-size:17px;font-weight:300;color:var(--accent)}
.menu-panel .seed-row{padding:4px 0 4px;margin:0;border-bottom:1px solid var(--line-2)}
.menu-panel .group{margin-top:18px;padding-top:17px}
.view-heading{display:flex;gap:15px;align-items:flex-start;padding:28px 0 8px}
.view-heading h2{font-size:22px;font-weight:300;color:var(--ink)}
.view-heading p{margin:5px 0 0;color:var(--dim);font-size:12px}
.section-index{padding-top:5px;color:var(--accent);font:10px var(--mono);letter-spacing:.12em}
.quick-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:18px}
.quick-controls div{display:flex;flex-direction:column;gap:9px;min-height:74px;padding:13px;border:1px solid var(--line-2);border-radius:12px;background:rgba(255,255,255,.025)}
.quick-controls span{color:var(--dim);font-size:11px}
kbd{min-width:25px;width:max-content}
.controls-note{margin:20px 0 3px;color:var(--dim);font-size:11px}
.menu-panel .panel-foot{padding:15px 30px 19px;background:rgba(0,0,0,.12)}
.menu-panel .panel-foot .dim{font-size:10.5px}
@media (max-width:620px){
  .menu-panel{border-radius:20px}
  .menu-utility{padding:18px 21px 0}
  .utility-copy{display:none}
  .menu-panel .panel-head{padding:25px 21px 21px}
  .menu-panel .mark{width:40px;height:40px;margin-bottom:16px}
  .menu-panel h1{font-size:38px}
  .menu-tabs{padding:0 12px}
  .menu-tab{font-size:8px;letter-spacing:.13em;padding-left:3px;padding-right:3px}
  .menu-body{padding-left:21px;padding-right:21px}
  .quick-controls{grid-template-columns:repeat(2,1fr)}
  .menu-panel .panel-foot{padding-left:21px;padding-right:21px}
}