/* COREBOUND — mobile-first game interface.
   Design rules: the body is always visible; panels are overlays that never cover it;
   numbers are monospace so they stop jittering; nothing is ever a default form control. */

:root{
  --bg:#04060e; --bg2:#070b16;
  --panel:rgba(11,17,32,.88); --panel-solid:#0b1120;
  --line:#1b2540; --line2:#26334f;
  --txt:#e8eefb; --muted:#8a9ab6; --dim:#5a6a88;
  --cy:#4fd5ff; --cy-dim:#1d6c8c;
  --or:#ff8a3d; --gold:#ffcf5c; --vio:#b98cff; --grn:#5ce8a8; --red:#ff5f6d;
  --ok:#57e39a;
  --r:14px; --r2:10px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
  --nav-h:58px;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --ui:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%;overscroll-behavior:none}
body{
  background:var(--bg); color:var(--txt); font-family:var(--ui);
  font-size:15px; line-height:1.4; overflow:hidden;
  user-select:none; -webkit-user-select:none; touch-action:manipulation;
}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}

#app{display:flex;flex-direction:column;height:100vh;height:100dvh;position:relative;overflow:hidden}
/* The two column wrappers must be flex containers on mobile too, or #stage has no height
   to flex into and the canvas collapses to a couple of pixels. (It did.) */
#left{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;position:relative}
#right{display:flex;flex-direction:column;flex:0 0 auto;min-height:0}

/* ---------------------------------------------------------------- top bar */
#topbar{
  flex:0 0 auto;padding:calc(var(--safe-t) + 7px) 10px 7px;
  display:flex;gap:6px;align-items:center;
  background:linear-gradient(180deg,rgba(4,6,14,.96),rgba(4,6,14,.55) 70%,transparent);
  position:relative;z-index:20;
}
.res{
  flex:1 1 0;min-width:0;display:flex;align-items:center;gap:5px;
  padding:6px 8px;border-radius:var(--r2);
  background:rgba(12,19,36,.72);border:1px solid var(--line);
}
.res .ic{font-size:13px;line-height:1;flex:0 0 auto}
.res .v{font-family:var(--mono);font-size:14px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.res.credits .ic{color:var(--gold)} .res.credits .v{color:var(--gold)}
.res.rp .ic{color:var(--grn)} .res.rp .v{color:var(--grn)}
.res.frag .ic{color:var(--vio)} .res.frag .v{color:var(--vio)}
.res.hidden{display:none}
#btn-settings{flex:0 0 auto;width:34px;height:34px;display:grid;place-items:center;
  border-radius:9px;border:1px solid var(--line);background:rgba(12,19,36,.72);color:var(--muted)}

/* ---------------------------------------------------------------- stage */
#stage{flex:1 1 auto;position:relative;min-height:0}
#canvas{position:absolute;inset:0;width:100%;height:100%;display:block}

#body-head{
  position:absolute;left:0;right:0;top:2px;text-align:center;pointer-events:none;z-index:5;
  padding:0 16px;
}
#body-head .nm{font-size:16px;font-weight:800;letter-spacing:.04em;text-shadow:0 2px 12px #000}
#body-head .sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;margin-top:1px}
/* These notes are whole sentences, 45-79 characters of prose. Uppercasing them made them
   ~40% wider and forced a truncation that ate half the line; they are written to be read,
   so they wrap in sentence case instead. */
#body-head .spec{
  display:inline-block;margin-top:5px;font-size:10.5px;letter-spacing:.005em;
  padding:3px 10px;border-radius:12px;border:1px solid var(--cy-dim);color:var(--cy);
  background:rgba(79,213,255,.08);max-width:94%;white-space:normal;line-height:1.32;
  text-align:center;text-shadow:0 1px 6px rgba(0,0,0,.8)
}

/* depth / progress rail down the left of the stage */
#depth-rail{
  position:absolute;left:10px;top:52px;bottom:96px;width:6px;z-index:5;
  border-radius:99px;background:rgba(255,255,255,.05);overflow:hidden;pointer-events:none;
}
#depth-fill{position:absolute;left:0;right:0;top:0;background:linear-gradient(180deg,var(--or),var(--gold));transition:height .18s}
.rail-mark{position:absolute;left:-3px;width:12px;height:1px;background:rgba(255,255,255,.22)}

#stage-foot{
  position:absolute;left:0;right:0;bottom:0;z-index:6;padding:8px 12px 10px;
  background:linear-gradient(0deg,rgba(4,6,14,.92),transparent);pointer-events:none;
}
#prog-wrap{height:8px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden;position:relative}
#prog{height:100%;width:0;background:linear-gradient(90deg,var(--or),var(--gold));transition:width .12s linear;
  box-shadow:0 0 14px rgba(255,150,60,.5)}
#stage-stats{display:flex;justify-content:space-between;align-items:baseline;margin-top:6px;gap:8px}
#stage-stats .l{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
#stage-stats .r{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--or)}
#layer-name{font-size:11px;color:var(--cy);letter-spacing:.1em;text-transform:uppercase}

#tap-hint{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:7;pointer-events:none;
  text-align:center;font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:#fff;
  text-shadow:0 2px 20px #000;animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.35;transform:translate(-50%,-50%) scale(1)}50%{opacity:.95;transform:translate(-50%,-50%) scale(1.06)}}

/* cleared / travel card */
#travel-card{
  position:absolute;inset:auto 14px 14px;z-index:14;
  background:linear-gradient(160deg,rgba(18,28,50,.97),rgba(9,14,27,.97));
  border:1px solid var(--line2);border-radius:var(--r);padding:14px;
  box-shadow:0 18px 50px rgba(0,0,0,.7);display:none;
}
#travel-card.on{display:block;animation:rise .32s cubic-bezier(.2,.9,.3,1)}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
#travel-card .ttl{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
#travel-card .nm{font-size:19px;font-weight:800;margin:3px 0 2px}
#travel-card .ds{font-size:13px;color:var(--muted);margin-bottom:10px}
#travel-card .stats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
#travel-card .st{flex:1 1 40%;background:rgba(255,255,255,.04);border-radius:9px;padding:7px 9px}
#travel-card .st b{display:block;font-family:var(--mono);font-size:14px}
#travel-card .st span{font-size:10px;color:var(--dim);letter-spacing:.08em;text-transform:uppercase}

.btn{
  display:block;width:100%;padding:13px;border-radius:var(--r2);text-align:center;
  font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:13px;
  background:linear-gradient(180deg,var(--cy),#1ea7d8);color:#04131b;
  box-shadow:0 6px 18px rgba(79,213,255,.28);
}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:none;border:1px solid var(--line2);color:var(--muted);box-shadow:none}
.btn.gold{background:linear-gradient(180deg,var(--gold),#d9a326);color:#1d1400;box-shadow:0 6px 18px rgba(255,207,92,.25)}
.btn.vio{background:linear-gradient(180deg,var(--vio),#7f4fd8);color:#160a26;box-shadow:0 6px 18px rgba(185,140,255,.25)}
.btn[disabled]{opacity:.35;box-shadow:none}

/* ---------------------------------------------------------------- panel */
#panel{
  flex:0 0 auto;max-height:46dvh;min-height:0;overflow-y:auto;overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);position:relative;z-index:10;
  padding:10px 10px 6px;
}
#panel.tab-mine{max-height:34dvh}
/* The doctrine tree is the whole point of this tab — give it the room. */
#panel.tab-core{max-height:64dvh}
#panel::-webkit-scrollbar{width:0}

.sec-h{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin:2px 0 7px;display:flex;justify-content:space-between;align-items:center}
.sec-h .hint{color:var(--dim);text-transform:none;letter-spacing:0;font-size:11px}

/* generic row card used for machines / upgrades / research */
.card{
  display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;
  padding:9px 10px;margin-bottom:6px;border-radius:var(--r2);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:background .12s,border-color .12s;
}
.card.afford{border-color:var(--cy-dim);background:rgba(79,213,255,.07)}
.card.afford .cost{color:var(--cy)}
.card[disabled]{opacity:.45}
.card:active{background:rgba(255,255,255,.08)}
.card .ico{
  flex:0 0 34px;height:34px;margin-top:1px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);font-size:16px;position:relative;
}
.card .ico i{width:14px;height:14px;border-radius:3px;display:block}
.card .mid{flex:1 1 auto;min-width:0;display:block;overflow:hidden}
/* These are spans, and overflow:hidden does nothing on an inline box — without this the
   description runs underneath the price. */
.card .nm,.card .ds,.card .rt,.card .cost,.card .sub,.card .own,.card .tagrow{display:block}
.card .nm{display:flex}
.card .nm{font-size:13.5px;font-weight:700;display:flex;align-items:center;gap:6px}
.card .nm em{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--cy);
  background:rgba(79,213,255,.12);padding:1px 5px;border-radius:5px}
/* Let descriptions wrap. They are the personality of the thing being bought and the reason
   anyone reads the list twice; truncating them to "A percussion bit, a dust mask, and a..."
   throws that away to save a few pixels of a scrolling panel. */
.card .ds{font-size:11.5px;color:var(--muted);white-space:normal;overflow-wrap:anywhere}
.card .rt{flex:0 0 auto;text-align:right;padding-left:2px}
.card .cost{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--muted)}
.card .cost.no{color:var(--dim)}
.card .sub{font-size:10px;color:var(--dim);font-family:var(--mono)}
.card .own{font-family:var(--mono);font-size:15px;font-weight:800;color:var(--txt)}
.tagrow{display:flex;gap:4px;flex-wrap:wrap;margin-top:3px}
.tag{font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;padding:1px 5px;border-radius:4px;
  background:rgba(255,255,255,.06);color:var(--muted)}
.tag.hot{background:rgba(255,138,61,.16);color:var(--or)}
.tag.cy{background:rgba(79,213,255,.14);color:var(--cy)}
.tag.gr{background:rgba(92,232,168,.14);color:var(--grn)}

.buyrow{display:flex;gap:5px;margin-bottom:8px}
.buyrow button{
  flex:1;padding:6px;border-radius:8px;font-size:11px;font-weight:800;letter-spacing:.08em;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03)
}
.buyrow button.on{border-color:var(--cy);color:var(--cy);background:rgba(79,213,255,.1)}

.locked-note{font-size:11.5px;color:var(--dim);padding:8px 10px;border:1px dashed var(--line2);
  border-radius:var(--r2);margin-bottom:6px}

.empty{text-align:center;color:var(--dim);font-size:12.5px;padding:18px 10px}

/* mine tab readouts */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:8px}
.stat{background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:var(--r2);padding:8px 10px}
.stat b{display:block;font-family:var(--mono);font-size:15px;font-weight:800}
.stat span{font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.stat.or b{color:var(--or)} .stat.cy b{color:var(--cy)} .stat.gd b{color:var(--gold)} .stat.gr b{color:var(--grn)}

#matstrip{display:flex;gap:5px;overflow-x:auto;padding-bottom:4px;margin-bottom:8px;scrollbar-width:none}
#matstrip::-webkit-scrollbar{display:none}
.mat{flex:0 0 auto;display:flex;align-items:center;gap:5px;padding:5px 8px;border-radius:8px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:11.5px}
.mat i{width:9px;height:9px;border-radius:2px;display:block;flex:0 0 auto}
.mat b{font-family:var(--mono);font-weight:700}

/* feed */
#feed{max-height:112px;overflow-y:auto;scrollbar-width:none}
#feed::-webkit-scrollbar{display:none}
.fe{display:flex;gap:7px;align-items:baseline;font-size:11.5px;padding:3px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.fe .k{flex:0 0 62px;width:62px;font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fe .t{flex:1 1 auto;color:var(--muted)}
.fe.discovery .t{color:var(--vio)} .fe.achievement .t{color:var(--gold)}
.fe.core .t{color:var(--or)} .fe.research .t{color:var(--grn)} .fe.mechanic .t{color:var(--cy)}

/* ---------------------------------------------------------------- install bar */
#install-bar{
  flex:0 0 auto;display:none;align-items:center;gap:9px;padding:9px 11px;
  background:linear-gradient(90deg,rgba(79,213,255,.14),rgba(185,140,255,.10));
  border-top:1px solid var(--line2);position:relative;z-index:18;
}
#install-bar.on{display:flex;animation:rise .3s cubic-bezier(.2,.9,.3,1)}
#install-bar .ic{flex:0 0 auto;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:rgba(79,213,255,.16);color:var(--cy);font-size:15px}
#install-bar .tx{flex:1 1 auto;min-width:0;display:block}
#install-bar .tt{display:block;font-size:12.5px;font-weight:800}
#install-bar .ts{display:block;font-size:10.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#install-bar .go{flex:0 0 auto;padding:7px 13px;border-radius:8px;font-size:11.5px;font-weight:800;
  letter-spacing:.06em;text-transform:uppercase;background:linear-gradient(180deg,var(--cy),#1ea7d8);color:#04131b}
#install-bar .go:active{transform:translateY(1px)}
#install-bar .x{flex:0 0 auto;width:26px;height:26px;border-radius:7px;display:grid;place-items:center;
  color:var(--dim);border:1px solid var(--line)}

.howto{margin:10px 0 0;padding:0;list-style:none;counter-reset:s}
.howto li{position:relative;padding:8px 0 8px 30px;border-bottom:1px solid var(--line);font-size:13px;color:var(--txt)}
.howto li:last-child{border-bottom:0}
.howto li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:8px;
  width:20px;height:20px;border-radius:99px;background:rgba(79,213,255,.15);color:var(--cy);
  font-size:11px;font-weight:800;display:grid;place-items:center;font-family:var(--mono)}
.howto b{color:var(--cy)}

/* ---------------------------------------------------------------- nav */
#nav{
  flex:0 0 auto;display:flex;height:calc(var(--nav-h) + var(--safe-b));
  padding-bottom:var(--safe-b);
  background:#070c17;border-top:1px solid var(--line);position:relative;z-index:20;
}
#nav button{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--dim);font-size:9.5px;letter-spacing:.11em;text-transform:uppercase;font-weight:700;
  position:relative;
}
#nav button .g{font-size:17px;line-height:1}
#nav button.on{color:var(--cy)}
#nav button.on::before{content:'';position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--cy);
  border-radius:0 0 3px 3px;box-shadow:0 0 10px var(--cy)}
#nav button.hidden{display:none}
#nav button .dot{position:absolute;top:8px;right:calc(50% - 16px);width:7px;height:7px;border-radius:99px;
  background:var(--or);box-shadow:0 0 8px var(--or);display:none}
#nav button.alert .dot{display:block}

/* ---------------------------------------------------------------- toasts */
/* Anchored to the BOTTOM of the stage. Toasts used to sit across the top, covering the
   body's name and the best-looking part of the rock; down here they sit over dead space
   and next to the progress readout the player is already watching. */
#toasts{position:absolute;left:8px;right:8px;bottom:56px;z-index:15;pointer-events:none;
  display:flex;flex-direction:column-reverse;gap:5px;align-items:center}
.toast{
  max-width:420px;width:100%;padding:7px 11px;border-radius:var(--r2);
  background:rgba(12,19,36,.95);border:1px solid var(--line2);
  box-shadow:0 10px 30px rgba(0,0,0,.6);animation:tin .3s cubic-bezier(.2,.9,.3,1);
}
@keyframes tin{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.toast.out{animation:tout .4s forwards}
@keyframes tout{to{opacity:0;transform:translateY(8px)}}
.toast .tt{font-size:12.5px;font-weight:800}
.toast .ts{font-size:11px;color:var(--muted);margin-top:0}
.toast.discovery{border-color:#6b46c1}.toast.discovery .tt{color:var(--vio)}
.toast.achievement{border-color:#9a7420}.toast.achievement .tt{color:var(--gold)}
.toast.core{border-color:#a4471a}.toast.core .tt{color:var(--or)}
.toast.cleared{border-color:#1d6c8c}.toast.cleared .tt{color:var(--cy)}
.toast.mechanic{border-color:#1d6c8c}.toast.mechanic .tt{color:var(--cy)}
.toast.research{border-color:#1f7a55}.toast.research .tt{color:var(--grn)}
.toast.prestige{border-color:#6b46c1}.toast.prestige .tt{color:var(--vio)}

/* ---------------------------------------------------------------- modal */
.modal{position:fixed;inset:0;z-index:80;display:none;align-items:center;justify-content:center;padding:16px}
.modal.on{display:flex}
.modal .scrim{position:absolute;inset:0;background:rgba(2,4,10,.82);backdrop-filter:blur(3px)}
.modal .box{
  position:relative;width:100%;max-width:440px;max-height:86dvh;overflow-y:auto;
  background:linear-gradient(165deg,#111b31,#080d1a);border:1px solid var(--line2);
  border-radius:16px;padding:16px;box-shadow:0 28px 70px rgba(0,0,0,.8);
  animation:rise .3s cubic-bezier(.2,.9,.3,1);
}
.modal h2{margin:0 0 3px;font-size:19px;letter-spacing:.02em}
.modal .lede{color:var(--muted);font-size:13px;margin:0 0 14px}
.modal .x{position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:8px;
  display:grid;place-items:center;color:var(--dim);border:1px solid var(--line)}

.setrow{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.setrow .lb{font-size:13.5px}
.setrow .lb small{display:block;color:var(--dim);font-size:11px}
.sw{width:44px;height:25px;border-radius:99px;background:#1b2540;position:relative;flex:0 0 auto;transition:background .15s}
.sw::after{content:'';position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:99px;background:#5a6a88;transition:.15s}
.sw.on{background:rgba(79,213,255,.3)}
.sw.on::after{left:22px;background:var(--cy)}
input[type=range]{width:120px;accent-color:var(--cy)}

/* ---------------------------------------------------------------- prestige tree */
#tree-wrap{position:relative;width:100%;aspect-ratio:1;max-height:48dvh;margin:0 auto;touch-action:none}
#tree{width:100%;height:100%;display:block}
/* Sticky so tapping a node always reveals what it does, however far the tree is scrolled. */
#node-detail{position:sticky;bottom:0;margin-top:10px;padding:11px;border-radius:var(--r2);
  background:rgba(10,16,30,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line2);min-height:64px;z-index:3}
#node-detail .nm{font-weight:800;font-size:14px}
#node-detail .pa{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:3px}
#node-detail .ds{font-size:12px;color:var(--muted);margin:3px 0 8px}

/* ---------------------------------------------------------------- misc */
.pill{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;padding:2px 7px;border-radius:99px;
  background:rgba(255,255,255,.06);color:var(--muted);font-family:var(--mono)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.scroll-x{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
.scroll-x::-webkit-scrollbar{display:none}

@media (min-width:760px){
  body{font-size:15.5px}
  #app{max-width:1100px;margin:0 auto;flex-direction:row;height:100dvh}
  #left{flex:1 1 auto;display:flex;flex-direction:column;min-width:0}
  #right{flex:0 0 400px;display:flex;flex-direction:column;border-left:1px solid var(--line);min-width:0}
  #panel{max-height:none;flex:1 1 auto;border-top:0}
  #panel.tab-mine{max-height:none}
  #nav{height:62px;padding-bottom:0}
  /* On desktop the panel occupies the right column, so top-anchored toasts would sit on
     top of it. Anchor them to the bottom of the stage instead. */
  #toasts{left:auto;right:16px;bottom:72px;width:340px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}