/* Heartbeat Rocket - calm, big touch targets, phone first. The 3D view fills the screen; UI floats over it. */
:root{
  --ink:#fff8ec; --ink-dim:rgba(255,248,236,.72);
  --glass:rgba(14,20,34,.58); --glass-line:rgba(255,248,236,.16);
  --flame:#f07a2e; --flame-hi:#ff9a4d; --flame-ink:#2a1405;
  --good:#7fd69b; --sky:#8fb6e8;
  --display:"Bricolage Grotesque","Trebuchet MS",system-ui,sans-serif;
  --body:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px);
  --sal:env(safe-area-inset-left,0px); --sar:env(safe-area-inset-right,0px);
  --gut-l:max(16px,var(--sal)); --gut-r:max(16px,var(--sar));
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#0b1424;color:var(--ink);font:17px/1.4 var(--body);
  -webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}
#app{position:fixed;inset:0;overflow:hidden}
#c{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
#ui{position:absolute;inset:0;pointer-events:none}
#ui button,#ui .lean-track,#ui .card,#ui .mapwrap{pointer-events:auto}
.heatglow{position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(ellipse at 50% 45%,rgba(255,120,40,0) 35%,rgba(255,110,40,.45) 75%,rgba(255,70,30,.75) 100%);mix-blend-mode:screen}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;touch-action:manipulation;-webkit-user-select:none;user-select:none}
button:focus-visible,.lean-track:focus-visible{outline:3px solid var(--sky);outline-offset:3px}
[hidden]{display:none!important}

/* top bar */
.top{position:absolute;top:0;left:0;right:0;padding:calc(var(--sat) + 12px) var(--gut-r) 0 var(--gut-l);display:flex;gap:10px;align-items:flex-start;justify-content:space-between}
.goal{min-width:0;display:flex;align-items:center;gap:10px;padding:10px 16px;min-height:48px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font:600 18px/1.2 var(--display);letter-spacing:.01em}
.goal-k{font:700 12px/1 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--flame-hi)}
#goalText{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.15}
.corner{display:flex;gap:8px;flex:none}
.mini{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font:700 13px var(--body);color:var(--ink-dim)}
.mini svg{width:22px;height:22px}
.mini[aria-pressed="true"]{color:var(--flame-ink);background:var(--flame-hi);border-color:transparent}
.mini.off #sndWaves{display:none}

/* hangar */
.hangar{position:absolute;left:0;right:0;bottom:0;padding:0 var(--gut-r) calc(var(--sab) + 16px) var(--gut-l);display:grid;gap:12px;
  background:linear-gradient(to top,rgba(8,12,20,.55),rgba(8,12,20,0));padding-top:40px}
.tip{margin:0;text-align:center;color:var(--ink-dim);font-size:15px;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.parts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.parts.four{grid-template-columns:repeat(4,1fr)}
@media (max-width:699px){ .parts:has(> .part:nth-child(7):not([hidden])){grid-template-columns:repeat(4,1fr)} .parts:has(> .part:nth-child(7):not([hidden])) .part{min-height:58px} }
.part{position:relative;min-height:68px;border-radius:18px;background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:grid;align-content:center;gap:2px;padding:8px 6px;transition:transform .12s}
.part:active{transform:scale(.96)}
.pk{font:700 12px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim)}
.pv{font:600 19px/1.15 var(--display)}
.new{position:absolute;top:-8px;right:-4px;background:var(--good);color:#0c2414;font:700 11px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;padding:5px 8px;border-radius:999px}
.launch{min-height:68px;border-radius:20px;background:linear-gradient(180deg,var(--flame-hi),var(--flame));color:var(--flame-ink);
  font:800 26px/1 var(--display);letter-spacing:.12em;box-shadow:0 8px 28px rgba(240,122,46,.35),inset 0 1px 0 rgba(255,255,255,.35);transition:transform .12s}
.launch:active{transform:scale(.97)}

/* flight */
.fl-top{position:absolute;top:calc(var(--sat) + 12px);left:var(--gut-l);display:flex;flex-direction:column;gap:8px}
.round{min-width:48px;height:48px;border-radius:999px;display:grid;place-items:center;background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font:700 15px var(--body);color:var(--ink)}
.round svg{width:20px;height:20px}
.round.wide{padding:0 16px}
.flying .top{padding-left:calc(var(--gut-l) + 56px)}

.prog{position:absolute;left:calc(var(--gut-l) + 10px);top:calc(var(--sat) + 150px);bottom:calc(var(--sab) + 130px);width:28px;display:flex;flex-direction:column;align-items:center;gap:8px}
.prog-goal{width:28px;height:22px;flex:none;background:center/contain no-repeat}
.prog-track{position:relative;flex:1;width:6px;border-radius:6px;background:rgba(255,248,236,.18)}
.prog-fill{position:absolute;left:0;right:0;bottom:0;height:0;border-radius:6px;background:linear-gradient(to top,var(--flame),var(--flame-hi))}
.prog-dot{position:absolute;left:50%;bottom:0;width:16px;height:16px;margin:0 0 -8px -8px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 3px rgba(240,122,46,.6)}

.fuel{position:absolute;right:var(--gut-r);top:calc(var(--sat) + 88px);bottom:calc(var(--sab) + 130px);width:28px;display:flex;flex-direction:column;align-items:center;gap:8px}
.fuel-track{position:relative;flex:1;width:16px;display:flex;flex-direction:column;gap:4px}
.fseg{position:relative;flex:1;border-radius:10px;background:rgba(14,20,34,.6);border:1px solid var(--glass-line);overflow:hidden}
.fuel-fill{position:absolute;left:0;right:0;bottom:0;height:100%;background:linear-gradient(to top,#f0b53a,#ffe08a);transition:background .4s}
.fuel-fill.low{background:linear-gradient(to top,#e0482e,#f08a5a)}
.fuel-k{font:700 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim);text-shadow:0 1px 4px #000}

.lean{position:absolute;left:var(--gut-l);right:var(--gut-r);bottom:calc(var(--sab) + 14px);display:grid;gap:6px}
.lean-track{position:relative;height:64px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);touch-action:none}
.lean-notch{position:absolute;left:50%;top:14px;bottom:14px;width:2px;margin-left:-1px;background:rgba(255,248,236,.3);border-radius:2px}
.lean-thumb{position:absolute;top:6px;left:50%;width:76px;height:52px;margin-left:-38px;border-radius:999px;background:linear-gradient(180deg,#fffaf1,#e9dfcd);
  color:#3a2a1a;display:grid;place-items:center;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.lean-thumb svg{width:26px;height:26px}
.lean-k{display:flex;justify-content:center;gap:14px;font:700 12px/1 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim);text-shadow:0 1px 4px #000}

.act{position:absolute;left:50%;bottom:calc(var(--sab) + 142px);transform:translateX(-50%);min-height:60px;min-width:190px;padding:0 26px;border-radius:999px;
  background:linear-gradient(180deg,#ffffff,#e8e2d6);color:#5a2a0c;font:800 21px/1 var(--display);box-shadow:0 8px 24px rgba(0,0,0,.35);
  animation:pulse 1.4s ease-in-out infinite;white-space:nowrap}
.act[data-kind="drop"],.act[data-kind="sep"]{background:linear-gradient(180deg,#ffd36a,#f0a83a);color:#3a2205}
.act[data-kind="burn"]{background:linear-gradient(180deg,var(--flame-hi),var(--flame));color:var(--flame-ink);box-shadow:0 8px 28px rgba(240,122,46,.45)}
.act[data-kind="home"]{background:linear-gradient(180deg,#a6ecbb,#6cc58a);color:#0c2414}
.warp{min-height:44px;padding:0 18px;border-radius:999px;background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font:700 15px/1 var(--body);color:var(--ink);white-space:nowrap}
.lean-hint{position:absolute;left:50%;bottom:calc(var(--sab) + 102px);transform:translateX(-50%);padding:7px 14px;border-radius:999px;background:rgba(127,214,155,.92);color:#0c2414;
  font:800 16px/1.1 var(--display);white-space:nowrap;box-shadow:0 4px 16px rgba(0,0,0,.35);animation:nudge 1.1s ease-in-out infinite;pointer-events:none}
@keyframes nudge{50%{transform:translateX(-50%) translateY(-3px)}}
.lean-ghost{position:absolute;z-index:2;top:6px;left:50%;width:76px;height:52px;margin-left:-38px;border-radius:999px;border:3px dashed rgba(127,214,155,.95);
  box-shadow:0 0 14px rgba(127,214,155,.55),inset 0 0 10px rgba(127,214,155,.35);pointer-events:none;transition:transform .35s ease}
.minimap{position:relative;width:64px;height:64px;border-radius:50%;padding:0;overflow:hidden;background:rgba(6,10,20,.82);border:1px solid var(--glass-line);box-shadow:0 4px 14px rgba(0,0,0,.35)}
.minimap canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.minimap span{position:absolute;left:0;right:0;bottom:3px;text-align:center;font:700 10px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);text-shadow:0 1px 3px #000,0 0 6px #000}
@keyframes pulse{50%{transform:translateX(-50%) scale(1.05)}}
.flying .warp ~ .nums{top:calc(var(--sat) + 120px)}
.ff{font:700 13px/1 var(--body);letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-dim);background:var(--glass);padding:8px 12px;border-radius:999px}

/* the middle column under the goal: flight guide caption, then fast-forward / time speed */
.mid{position:absolute;top:calc(var(--sat) + 70px);left:calc(var(--gut-l) + 72px);right:calc(var(--gut-r) + 36px);display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.guide{max-width:440px;padding:8px 13px 9px;border-radius:16px;background:rgba(10,16,28,.8);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font:400 15px/1.3 var(--body);color:var(--ink);text-align:left;
  box-shadow:0 4px 18px rgba(0,0,0,.3);opacity:0;transform:translateY(-6px);transition:opacity .25s,transform .25s}
.guide.show{opacity:1;transform:none}
.guide-k{display:block;font:700 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px;color:var(--flame-hi)}
.guide[data-kind="next"] .guide-k{color:var(--sky)}
.guide[data-kind="why"] .guide-k{color:var(--good)}
.guide[data-kind="tip"] .guide-k{color:#ffd36a}
.guide[data-kind="why"]{border-color:rgba(127,214,155,.3)}

/* do it yourself: the engine button sits beside the action button */
.eng{position:absolute;left:var(--gut-l);bottom:calc(var(--sab) + 142px);width:calc(50% - var(--gut-l) - 6px);max-width:240px;min-height:60px;padding:0 10px;border-radius:999px;
  background:linear-gradient(180deg,var(--flame-hi),var(--flame));color:var(--flame-ink);font:800 clamp(15px,5.2vw,20px)/1 var(--display);box-shadow:0 8px 24px rgba(0,0,0,.35);white-space:nowrap}
.eng[data-on="true"]{background:var(--glass);color:var(--ink);border:2px solid var(--flame-hi);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.pair .act{left:auto;right:var(--gut-r);transform:none;min-width:0;width:calc(50% - var(--gut-r) - 6px);max-width:240px;padding:0 6px;font-size:clamp(14px,4.8vw,18px);animation-name:pulse2}
@keyframes pulse2{50%{transform:scale(1.05)}}
@media (min-width:700px){ .eng{left:auto;right:calc(50% + 6px)} .pair .act{right:auto;left:calc(50% + 6px)} }

/* hangar options (mode + guide) */
.opts{display:flex;gap:10px;justify-content:center}
.opt{flex:1;max-width:220px;min-height:46px;border-radius:14px;background:var(--glass);border:1px solid var(--glass-line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  display:flex;align-items:center;justify-content:center;gap:8px;padding:6px 10px;font:600 16px/1.1 var(--display)}
.opt .ok{font:700 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim)}
.opt[aria-pressed="true"]{border-color:var(--flame-hi);box-shadow:inset 0 0 0 1px var(--flame-hi)}
#btnDiy[aria-pressed="true"] .ok{color:var(--flame-hi)}

/* name tags over satellites and the station */
.tags{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.tag{position:absolute;left:0;top:0;padding:4px 10px;border-radius:999px;background:rgba(14,20,34,.72);border:1px solid rgba(127,214,155,.55);
  color:var(--ink);font:700 13px/1.2 var(--body);white-space:nowrap;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.tag::after{content:"";position:absolute;left:50%;top:100%;width:2px;height:10px;margin-left:-1px;background:rgba(127,214,155,.75)}
.tag.edge{border-style:dashed;opacity:.85}
.tag.edge::after{display:none}
/* the name for the flag, asked on the Moon card */
.namebox{display:grid;gap:6px;text-align:left;font:700 13px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-dim);pointer-events:auto}
.namebox input{font:600 20px/1.2 var(--display);letter-spacing:0;text-transform:none;color:var(--ink);background:rgba(4,7,14,.55);border:1px solid var(--glass-line);
  border-radius:14px;padding:12px 14px;min-height:50px;width:100%;outline:none}
.namebox input:focus{border-color:var(--flame-hi)}
.act[data-kind="moon"],.act[data-kind="leave"],.act[data-kind="gohome"]{background:linear-gradient(180deg,#e9e4ff,#b7a9f0);color:#1d1440}
.act[data-kind="land"]{background:linear-gradient(180deg,#f1efe9,#c9c3b8);color:#26221c}
.act[data-kind="flag"]{background:linear-gradient(180deg,var(--flame-hi),var(--flame));color:var(--flame-ink)}
.act[data-kind="release"],.act[data-kind="core"],.act[data-kind="dock"],.act[data-kind="dockNow"]{background:linear-gradient(180deg,#a6ecbb,#6cc58a);color:#0c2414}

/* toast */
.toast{position:absolute;left:50%;top:calc(var(--sat) + 120px);transform:translate(-50%,-10px);max-width:calc(100% - 32px);text-align:center;
  padding:14px 22px;border-radius:20px;background:rgba(14,20,34,.72);border:1px solid var(--glass-line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font:800 24px/1.2 var(--display);opacity:0;transition:opacity .35s,transform .35s;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast small{display:block;font:400 15px/1.3 var(--body);color:var(--ink-dim);margin-top:4px}

/* grown-up numbers */
.nums{position:absolute;right:var(--gut-r);top:calc(var(--sat) + 70px);padding:10px 12px;border-radius:14px;background:rgba(8,12,20,.72);border:1px solid var(--glass-line);
  font:500 13px/1.5 ui-monospace,"SF Mono",Menlo,Consolas,monospace;color:var(--ink);white-space:pre;pointer-events:none;text-align:right}
.flying .nums{right:calc(var(--gut-r) + 40px);top:calc(var(--sat) + 210px)}

/* map */
.mapwrap{position:absolute;inset:0;background:rgba(4,7,14,.97)}
#map{position:absolute;inset:0;width:100%;height:100%}
.mapcap{position:absolute;left:var(--gut-l);right:var(--gut-r);bottom:calc(var(--sab) + 20px);margin:0 auto;max-width:520px;text-align:center;color:var(--ink);font-size:16px;line-height:1.35;
  padding:10px 14px;border-radius:16px;background:rgba(14,20,34,.7);border:1px solid var(--glass-line)}
.mapclose{position:absolute;top:calc(var(--sat) + 12px);right:var(--gut-r)}

/* result card */
.card-wrap{position:absolute;inset:0;display:grid;place-items:center;padding:calc(var(--sat) + 16px) var(--gut-r) calc(var(--sab) + 16px) var(--gut-l);background:rgba(4,7,14,.45)}
.card{width:min(420px,100%);border-radius:26px;padding:22px 22px 20px;background:linear-gradient(180deg,rgba(28,36,56,.94),rgba(16,22,36,.96));border:1px solid var(--glass-line);
  box-shadow:0 20px 60px rgba(0,0,0,.5);text-align:center;display:grid;gap:12px;animation:pop .35s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{from{transform:scale(.85);opacity:0}}
.card-art{height:96px;display:grid;place-items:center}
.card-art svg{height:96px;width:auto}
.card h2{margin:0;font:800 clamp(26px,7vw,32px)/1.12 var(--display);text-wrap:balance}
.card p{margin:0;color:var(--ink-dim);font-size:18px}
.unlock{justify-self:center;padding:10px 16px;border-radius:14px;background:rgba(127,214,155,.14);border:1px solid rgba(127,214,155,.4);color:var(--good);font:700 18px/1.3 var(--body)}
.unlock small{display:block;color:var(--ink-dim);font-weight:400;font-size:15px}
.next{font-size:15px;color:var(--ink-dim)}
.next b{color:var(--ink);font-family:var(--display);font-weight:600}
.btn-ghost{min-height:48px;border-radius:16px;border:1px solid var(--glass-line);color:var(--ink-dim);font:700 17px/1 var(--body)}
.btn-big{min-height:60px;border-radius:18px;background:linear-gradient(180deg,var(--flame-hi),var(--flame));color:var(--flame-ink);font:800 21px/1 var(--display);letter-spacing:.04em;margin-top:4px}

/* loading */
.loading{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:14px;background:#0b1424;color:var(--ink-dim);transition:opacity .5s}
.loading.done{opacity:0;pointer-events:none}
.loading p{margin:0}
.spin{width:38px;height:38px;border-radius:50%;border:4px solid rgba(255,248,236,.18);border-top-color:var(--flame);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media (min-width:700px){
  .hangar{left:50%;right:auto;width:560px;transform:translateX(-50%);padding-left:0;padding-right:0;background:none}
  .lean{left:50%;right:auto;width:520px;transform:translateX(-50%)}
}
@media (max-width:440px){ .goal{font-size:17px;padding:8px 14px;gap:8px} .flying .goal-k{display:none} }
@media (max-width:360px){ .pv{font-size:17px} .goal{font-size:16px;padding:10px 12px} }
@media (prefers-reduced-motion:reduce){ .act,.lean-hint{animation:none} .card{animation:none} .guide{transition:none} }
@media (max-height:640px){ .part{min-height:56px} .launch{min-height:58px} }
/* wide or short screens: all the parts in one row so the rocket keeps its room */
@media (min-width:700px), (max-height:520px){ .parts,.parts.four{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:1fr} }
@media (max-height:520px){ .opt{min-height:40px} .part{min-height:52px} .pv{font-size:16px} .launch{min-height:52px;font-size:22px} .hangar{gap:8px;padding-top:16px} }