:root {
  --accent: #5ef2ff;
  --accent-rgb: 94, 242, 255;
  --ink: rgba(240, 246, 255, .94);
  --dim: rgba(220, 230, 245, .56);
  --faint: rgba(220, 230, 245, .30);
  --line: rgba(255, 255, 255, .11);
  --panel: rgba(8, 10, 14, .32);
  --panel-strong: rgba(8, 10, 14, .58);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; background: #04060a; color: var(--ink);
  font-family: 'Space Grotesk', system-ui, sans-serif; -webkit-font-smoothing: antialiased; user-select: none; }
#app { position: fixed; inset: 0; }
#app canvas { display: block; width: 100%; height: 100%; outline: none; touch-action: none; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
kbd { font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--faint); border: 1px solid var(--line);
  border-radius: 4px; padding: 1px 4px; margin-left: auto; }

#ui { position: fixed; inset: 0; pointer-events: none; z-index: 5; }
#ui > * { pointer-events: auto; }
.glass { background: var(--panel); backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,.18); }
.gtitle { font-size: 9.5px; letter-spacing: .26em; text-transform: uppercase; color: var(--faint); padding: 4px 10px 6px; }

/* brand */
#brand { position: absolute; top: 22px; left: 24px; display: flex; gap: 12px; align-items: center; pointer-events: none; }
#brand .logo { color: var(--accent); filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), .6)); transition: color .8s; }
#brand .name { font-weight: 600; letter-spacing: .32em; font-size: 15px; }
#brand .name span { color: var(--accent); font-weight: 400; transition: color .8s; }
#brand .sub { font-size: 10px; letter-spacing: .18em; color: var(--dim); text-transform: uppercase; margin-top: 3px; }

/* themes */
#themes { position: absolute; top: 18px; right: 70px; display: flex; gap: 2px; padding: 5px; }
#themes button { display: flex; align-items: center; gap: 8px; padding: 7px 11px; border-radius: 10px; font-size: 11px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--dim); transition: background .25s, color .25s; }
#themes button i { width: 10px; height: 10px; border-radius: 50%; display: block; box-shadow: 0 0 10px currentColor; }
#themes button:hover { color: var(--ink); background: rgba(255,255,255,.05); }
#themes button.on { color: var(--ink); background: rgba(255,255,255,.09); }
.icon { position: absolute; width: 40px; height: 40px; display: grid; place-items: center; color: var(--dim); }
.icon:hover { color: var(--ink); }
#soundBtn { top: 19px; right: 22px; }
#soundBtn.muted .wave { opacity: .15; }
#helpBtn { bottom: 22px; right: 22px; font-size: 14px; }

/* rail */
#rail { position: absolute; left: 24px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 12px; width: 168px; }
#rail .group { padding: 6px; display: flex; flex-direction: column; gap: 1px; }
#rail button { display: flex; align-items: center; padding: 8px 10px; border-radius: 9px; font-size: 12.5px; color: var(--dim);
  letter-spacing: .04em; transition: all .2s; position: relative; }
#rail button:hover { color: var(--ink); background: rgba(255,255,255,.05); }
#rail button.on { color: var(--ink); background: rgba(var(--accent-rgb), .12); }
#rail button.on::before { content: ''; position: absolute; left: 0; top: 9px; bottom: 9px; width: 2px; border-radius: 2px;
  background: var(--accent); box-shadow: 0 0 8px var(--accent); }

/* legend */
#legend { position: absolute; top: 76px; left: 50%; transform: translateX(-50%) translateY(-8px); padding: 9px 16px; display: flex; gap: 18px;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); opacity: 0; transition: opacity .4s, transform .4s; pointer-events: none; white-space: nowrap; }
#legend.show { opacity: 1; transform: translateX(-50%); }
#legend span { display: flex; align-items: center; gap: 7px; }
#legend i { width: 14px; height: 3px; border-radius: 2px; display: block; box-shadow: 0 0 8px currentColor; background: currentColor; }

/* telemetry */
#telemetry { position: absolute; left: 24px; bottom: 22px; width: 248px; padding: 12px 14px 12px; font-size: 11px; }
#telemetry .phase { font-size: 10px; letter-spacing: .2em; color: var(--accent); margin-bottom: 8px; transition: color .8s; }
#attitude { position: absolute; right: 12px; top: 10px; width: 60px; height: 60px; opacity: .9; }
.tgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; }
.tgrid div { display: flex; align-items: baseline; gap: 5px; }
.tgrid label { color: var(--faint); font-size: 9.5px; letter-spacing: .14em; width: 34px; }
.tgrid b { font-weight: 400; color: var(--ink); font-size: 13px; min-width: 38px; text-align: right; }
.tgrid i { font-style: normal; color: var(--faint); font-size: 9px; }
.rpmbar { height: 2px; margin-top: 11px; background: rgba(255,255,255,.08); border-radius: 2px; overflow: hidden; }
#tRpmBar { height: 100%; width: 0; background: var(--accent); box-shadow: 0 0 10px var(--accent); transition: background .8s; }

/* dock */
#dock { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 16px; }
#stances, #weapons { display: flex; padding: 5px; gap: 2px; }
#stances button { padding: 9px 12px; border-radius: 9px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); transition: all .2s; }
#stances button:hover { color: var(--ink); background: rgba(255,255,255,.05); }
#stances button.on { color: var(--ink); background: rgba(var(--accent-rgb), .13); box-shadow: inset 0 -2px 0 var(--accent); }
#weapons button { display: flex; flex-direction: column; align-items: flex-start; padding: 6px 11px; border-radius: 9px; min-width: 70px; position: relative; transition: background .15s; }
#weapons button span { font-size: 9.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
#weapons button b { font-family: 'JetBrains Mono', monospace; font-weight: 400; font-size: 14px; }
#weapons button kbd { position: absolute; right: 6px; top: 6px; }
#weapons button:hover { background: rgba(255,255,255,.05); }
#weapons button.fire { background: rgba(255, 90, 60, .22); }
#weapons button.empty b { color: #ff6b5a; }

#flyBtn { position: relative; width: 92px; height: 92px; border-radius: 50%; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 40%, rgba(var(--accent-rgb), .18), rgba(8,10,14,.55) 70%);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--line); transition: transform .2s, box-shadow .4s; }
#flyBtn:hover { transform: scale(1.04); box-shadow: 0 0 40px rgba(var(--accent-rgb), .25); }
#flyBtn svg { position: absolute; inset: 0; transform: rotate(-90deg); }
#flyBtn .track { fill: none; stroke: rgba(255,255,255,.08); stroke-width: 2; }
#flyBtn .ring { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 283; stroke-dashoffset: 283;
  filter: drop-shadow(0 0 4px var(--accent)); transition: stroke .8s; }
#flyLabel { font-size: 12px; font-weight: 600; letter-spacing: .22em; margin-top: -6px; }
#flySub { position: absolute; bottom: 24px; font-size: 8.5px; letter-spacing: .2em; color: var(--faint); font-family: 'JetBrains Mono', monospace; }

/* help */
#help { position: absolute; right: 22px; bottom: 72px; padding: 10px 14px; font-size: 11.5px; color: var(--dim); line-height: 2;
  opacity: 0; transform: translateY(6px); pointer-events: none; transition: all .25s; }
#help.show { opacity: 1; transform: none; pointer-events: auto; }
#help kbd { margin: 0 2px; }

/* toast */
#toast { position: absolute; top: 120px; left: 50%; transform: translateX(-50%); font-size: 11px; letter-spacing: .24em; text-transform: uppercase;
  color: var(--ink); padding: 8px 18px; border-radius: 30px; background: var(--panel-strong); border: 1px solid var(--line);
  opacity: 0; transition: opacity .35s; pointer-events: none; white-space: nowrap; }
#toast.show { opacity: 1; }

/* labels for exploded view */
#labels { position: fixed; inset: 0; pointer-events: none; z-index: 4; opacity: 0; transition: opacity .5s; }
#labels.show { opacity: 1; }
.plabel { position: absolute; left: 0; top: 0; display: flex; align-items: center; gap: 6px; font-size: 10px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink); white-space: nowrap; will-change: transform; text-shadow: 0 1px 6px rgba(0,0,0,.8); }
.plabel::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.plabel em { font-style: normal; color: var(--faint); font-family: 'JetBrains Mono', monospace; font-size: 9px; }

/* fade + titles */
#flash { position: fixed; inset: 0; pointer-events: none; background: #fff; opacity: 0; z-index: 3; mix-blend-mode: screen; }
#fade { position: fixed; inset: 0; background: #020305; opacity: 0; pointer-events: none; z-index: 20; transition: opacity .55s ease;
  display: grid; place-items: center; }
#fade.on { opacity: 1; }
#themeTitle { text-align: center; opacity: 0; transform: translateY(8px); transition: all .6s ease .1s; }
#fade.on #themeTitle { opacity: 1; transform: none; }
#themeTitle .t1 { font-size: 46px; font-weight: 300; letter-spacing: .5em; margin-right: -.5em; }
#themeTitle .t2 { font-size: 11px; letter-spacing: .4em; color: var(--dim); margin-top: 14px; text-transform: uppercase; }

#loader { position: fixed; inset: 0; z-index: 30; background: #030407; display: grid; place-content: center; justify-items: center; gap: 18px; transition: opacity .8s; }
#loader.hide { opacity: 0; pointer-events: none; }
#loader .lname { font-weight: 600; letter-spacing: .5em; font-size: 22px; }
#loader .lname span { color: var(--accent); font-weight: 300; }
#loader .lbar { width: 220px; height: 1px; background: rgba(255,255,255,.1); }
#lprog { height: 100%; width: 0; background: var(--accent); box-shadow: 0 0 10px var(--accent); transition: width .3s; }
#lmsg { font-size: 10px; letter-spacing: .2em; color: var(--faint); text-transform: uppercase; }

/* cockpit mode hides some chrome */
body.cockpit #rail, body.cinema #rail { opacity: .35; }
body.cockpit #rail:hover, body.cinema #rail:hover { opacity: 1; }

@media (max-width: 1100px) {
  #themes button span { display: none; }
  #themes button { padding: 8px; }
  #rail { width: 140px; }
  #dock { flex-wrap: wrap; justify-content: center; width: calc(100% - 32px); bottom: 14px; }
  #telemetry { display: none; }
}
@media (max-width: 640px) {
  #brand .sub { display: none; }
  #brand { top: 14px; left: 16px; }
  #themes { top: 60px; right: 16px; left: 16px; justify-content: space-between; }
  #soundBtn { top: 12px; right: 16px; }
  #rail { top: auto; bottom: 220px; transform: none; left: 16px; width: auto; flex-direction: row; }
  #rail .group { flex-direction: row; flex-wrap: wrap; }
  #rail .gtitle, #rail kbd { display: none; }
  #rail button { padding: 7px 8px; font-size: 11px; }
  #stances button { padding: 8px 7px; font-size: 9.5px; letter-spacing: .06em; }
  #weapons button { min-width: 56px; padding: 5px 7px; }
  #weapons kbd, #helpBtn { display: none; }
  #flyBtn { width: 76px; height: 76px; }
}