* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #000; }
#view { display: block; width: 100vw; height: 100vh; cursor: crosshair; }

:root {
  --fg: #9fe7ff;
  --dim: #5b7c88;
  --bg: rgba(6, 14, 20, 0.66);
  --line: rgba(120, 200, 230, 0.18);
}

.panel {
  position: fixed;
  font: 12px/1.5 "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  backdrop-filter: blur(4px);
  user-select: none;
  pointer-events: none;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.8);
}

#hud { top: 14px; left: 14px; width: 270px; }
#nav { top: 14px; right: 14px; width: 240px; }
#help { bottom: 14px; left: 14px; right: 14px; max-width: 720px; margin: 0 auto; opacity: 0.82; }

.row { display: flex; justify-content: space-between; gap: 12px; }
.row span { color: var(--dim); letter-spacing: 0.04em; }
.row b { color: #d7f6ff; font-weight: 600; }
.row b.limited { color: #ffcf7a; }
hr { border: none; border-top: 1px solid var(--line); margin: 6px 0; }

#help .keys { margin-top: 6px; color: var(--dim); }
#help .keys span { color: #d7f6ff; }

/* ---- start screen ---- */
#startscreen {
  position: fixed; inset: 0; z-index: 20; display: flex;
  align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 40%, rgba(10,20,30,0.82), rgba(0,0,0,0.94));
  backdrop-filter: blur(2px);
}
#startscreen .card {
  width: min(640px, 92vw); padding: 26px 30px;
  background: rgba(8, 16, 24, 0.92); border: 1px solid var(--line);
  border-radius: 14px; color: #cfeefc;
  font: 13px/1.6 "SF Mono", Menlo, Consolas, monospace;
  box-shadow: 0 20px 80px rgba(0,0,0,0.6);
}
#startscreen h1 { font-size: 26px; letter-spacing: 0.18em; color: #bfeeff; font-weight: 700; }
#startscreen .sub { color: var(--dim); margin: 2px 0 16px; letter-spacing: 0.05em; }
#startscreen p { margin: 10px 0; color: #b9d8e6; }
#startscreen b { color: #eaffff; }
#startscreen .controls { margin: 14px 0; }
#startscreen .cline { padding: 3px 0; color: #b9d8e6; border-bottom: 1px solid rgba(120,200,230,0.07); }
#startscreen .cline b { color: #d7f6ff; }
#startscreen .tip { background: rgba(40,90,120,0.18); border-left: 2px solid #4a8fb0; padding: 8px 12px; border-radius: 5px; color: #bfe6f4; }
#langtoggle2 { position: absolute; top: 18px; right: 22px; display: flex; gap: 4px; }
#langtoggle2 span {
  cursor: pointer; padding: 3px 9px; border-radius: 6px; font-size: 11px;
  color: var(--dim); border: 1px solid var(--line);
}
#langtoggle2 span.active { color: #eaffff; background: rgba(60,116,148,0.5); border-color: #3d7494; }

/* ---- always-visible language switch ---- */
#langtoggle {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  z-index: 8; display: flex; gap: 3px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 3px;
  font: 11px "SF Mono", Menlo, Consolas, monospace; backdrop-filter: blur(4px);
}
#langtoggle span {
  cursor: pointer; padding: 3px 9px; border-radius: 5px; color: var(--dim);
}
#langtoggle span.active { color: #eaffff; background: rgba(60,116,148,0.5); }
#startbtn {
  margin-top: 16px; width: 100%; padding: 11px; cursor: pointer;
  background: linear-gradient(180deg, #1d3f54, #15303f); color: #eaffff;
  border: 1px solid #3d7494; border-radius: 8px; font: 600 14px monospace;
  letter-spacing: 0.05em; transition: background 0.15s;
}
#startbtn:hover { background: linear-gradient(180deg, #275168, #1a3c4e); }

#crosshair {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  color: rgba(180, 240, 255, 0.55); font: 18px monospace; pointer-events: none;
  text-shadow: 0 0 4px #000; z-index: 5;
}

/* ---- world-space overlay ---- */
#overlay {
  position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 4;
  font: 11px/1.2 "SF Mono", Menlo, Consolas, monospace;
}
.wlabel {
  position: absolute; transform: translate(10px, -50%);
  display: flex; align-items: center; gap: 5px; white-space: nowrap;
  color: rgba(190, 230, 245, 0.78); text-shadow: 0 0 5px #000;
}
.wlabel .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: rgba(160, 220, 245, 0.7); box-shadow: 0 0 6px rgba(120, 200, 240, 0.9);
}
.wlabel.istarget { color: #ffd27a; font-weight: 600; }
.wlabel.istarget .dot { background: #ffd27a; box-shadow: 0 0 8px #ffb347; }

.reticle {
  position: absolute; width: 34px; height: 34px; transform: translate(-50%, -50%);
  border: 1.5px solid #ffd27a; border-radius: 50%;
  box-shadow: 0 0 8px rgba(255, 180, 70, 0.5); display: none;
}
.reticle::before, .reticle::after {
  content: ''; position: absolute; background: #ffd27a;
}
.reticle::before { left: 50%; top: -7px; width: 1px; height: 7px; }
.reticle::after { top: 50%; left: -7px; height: 1px; width: 7px; }

.edgearrow {
  position: absolute; color: #ffd27a; font-size: 22px; display: none;
  text-shadow: 0 0 6px rgba(255, 160, 50, 0.7);
}

.marker {
  position: absolute; transform: translate(-50%, -50%); font-size: 17px;
  display: none; text-shadow: 0 0 5px #000;
}
.marker.prograde { color: #7CFC8A; }
.marker.retrograde { color: #8fb3c8; opacity: 0.8; }

#status {
  bottom: 96px; left: 50%; transform: translateX(-50%);
  padding: 5px 14px; z-index: 6; font-size: 12px; letter-spacing: 0.03em;
}
#status .ok { color: #9fe7ff; }
#status .warn { color: #ffcf7a; }

#eventlog {
  position: fixed; top: 92px; left: 50%; transform: translateX(-50%);
  text-align: center; pointer-events: none; z-index: 6;
  font: 12px/1.6 "SF Mono", Menlo, Consolas, monospace;
  color: rgba(200, 235, 250, 0.92); text-shadow: 0 0 6px #000;
}
#eventlog div { animation: fade 6s forwards; }
@keyframes fade { 0%,70% { opacity: 1; } 100% { opacity: 0.25; } }

/* ---- touch / mobile controls ---- */
#touchui { display: none; }
body.touch #touchui { display: block; }
body.touch { touch-action: none; }
body.touch #view { cursor: default; }
body.touch #help { display: none; }            /* keyboard hints are irrelevant */

#touchui #joy, #touchui .tbtn {
  position: fixed; z-index: 10; touch-action: none; user-select: none;
  -webkit-user-select: none; -webkit-tap-highlight-color: transparent;
}
#touchui #joy {
  left: 22px; bottom: 26px; width: 132px; height: 132px; border-radius: 50%;
  background: rgba(10, 22, 30, 0.4); border: 1.5px solid var(--line);
  backdrop-filter: blur(3px);
}
#touchui #joyknob {
  position: absolute; left: 50%; top: 50%; width: 54px; height: 54px;
  margin: -27px 0 0 -27px; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(120,210,245,0.85), rgba(40,100,130,0.7));
  border: 1px solid #3d7494; box-shadow: 0 0 12px rgba(80,180,230,0.5);
}
#touchui #tbtns-r {
  position: fixed; right: 20px; bottom: 26px; z-index: 10;
  display: flex; flex-direction: column; gap: 12px; align-items: center;
}
#touchui #tbtns-b {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 10;
  display: flex; gap: 8px;
}
#touchui .tbtn {
  position: static; min-width: 56px; height: 56px; padding: 0 12px;
  font: 600 15px/1 "SF Mono", Menlo, Consolas, monospace; color: #d7f6ff;
  background: rgba(10, 22, 30, 0.55); border: 1.5px solid var(--line);
  border-radius: 12px; backdrop-filter: blur(3px);
}
#touchui #tbtns-b .tbtn { height: 46px; min-width: 46px; font-size: 13px; border-radius: 10px; }
#touchui .tbtn.on { background: rgba(60,116,148,0.6); border-color: #5fb4e6; }
#touchui .tbtn.stop { color: #ffb0b0; border-color: rgba(230,120,120,0.5); }

/* tighten the readouts on small screens so the two panels never collide and
   the centred status line clears the joystick */
@media (max-width: 760px) {
  #hud, #nav { font-size: 10px; padding: 7px 8px; line-height: 1.45; }
  #hud { width: 165px; left: 8px; top: 8px; }
  #nav { width: 150px; right: 8px; top: 8px; }
  #langtoggle { top: 6px; }
  #eventlog { top: 70px; font-size: 11px; width: 60%; }
  #status { bottom: 184px; font-size: 11px; }
  #startscreen .card { font-size: 12px; padding: 20px 18px; }
}