:root {
  --void: #030306;
  --panel: rgba(9, 10, 18, 0.88);
  --white: #f7f7ff;
  --muted: #9fa2b3;
  --lime: #c8ff2f;
  --pink: #ff48d7;
  --cyan: #53e7ff;
  --violet: #8d63ff;
  --danger: #ff5a66;
  --line: rgba(255, 255, 255, 0.14);
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--void); color: var(--white); font-family: var(--body); }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% -20%, rgba(141, 99, 255, 0.16), transparent 43rem),
    linear-gradient(180deg, #05050a 0%, #010103 100%);
}

button, a { font: inherit; }
button { color: inherit; }
button:focus-visible, a:focus-visible, #game-stage:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

.skip-link {
  position: fixed;
  top: -4rem;
  left: 1rem;
  z-index: 100;
  padding: .7rem 1rem;
  color: #050507;
  background: var(--lime);
  font-weight: 900;
}
.skip-link:focus { top: 1rem; }

.game-shell { width: min(100%, 1600px); min-height: 100vh; margin: 0 auto; }

.game-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 70px;
  padding: .65rem clamp(1rem, 3vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(3, 3, 6, .86);
}

.brand { display: inline-flex; align-items: center; width: max-content; gap: .6rem; color: var(--white); text-decoration: none; }
.brand img { width: 44px; height: 44px; object-fit: cover; object-position: 50% 20%; border: 1px solid rgba(200,255,47,.45); border-radius: 50%; background: #111; }
.brand span { font-family: var(--display); font-size: 1.45rem; letter-spacing: .04em; transform: skew(-5deg); }
.brand b { color: var(--lime); }

.signal-status { display: flex; align-items: center; gap: .55rem; color: var(--muted); font-size: .68rem; font-weight: 900; letter-spacing: .17em; }
.signal-status i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); animation: signal 1.8s ease-in-out infinite; }
.header-actions { display: flex; justify-content: flex-end; gap: .5rem; }

.icon-button, .text-button, .secondary-button {
  padding: .6rem .75rem;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--muted);
  background: rgba(255,255,255,.035);
  font-size: .66rem;
  font-weight: 900;
  letter-spacing: .1em;
  cursor: pointer;
  transition: .18s ease;
}
.icon-button:hover, .text-button:hover, .secondary-button:hover { color: var(--white); border-color: var(--lime); background: rgba(200,255,47,.07); }

.game-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 500px;
  max-height: calc(100vh - 130px);
  overflow: hidden;
  isolation: isolate;
  background: #020207;
  border-bottom: 1px solid var(--line);
}

#game-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; background: #030308; }
.screen-effects, .scanline, .vignette { position: absolute; inset: 0; pointer-events: none; }
.screen-effects { z-index: 4; overflow: hidden; }
.scanline { opacity: .17; background: repeating-linear-gradient(180deg, transparent 0 3px, rgba(255,255,255,.06) 4px); mix-blend-mode: overlay; }
.vignette { box-shadow: inset 0 0 140px 30px rgba(0,0,0,.95); }
.game-shell.reduced-fx .scanline, .game-shell.reduced-fx .orbit, .game-shell.reduced-fx .pilot-aura { display: none; }
.game-shell.reduced-fx * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; }

.hud { position: absolute; z-index: 8; inset: 0; pointer-events: none; padding: clamp(.8rem,2vw,1.65rem); font-variant-numeric: tabular-nums; }
.hud-cluster { position: absolute; top: clamp(.8rem,2vw,1.65rem); display: flex; flex-direction: column; }
.hud-left { left: clamp(.8rem,2vw,1.65rem); }
.hud-right { right: clamp(.8rem,2vw,1.65rem); text-align: right; }
.hud strong { font-family: var(--display); font-size: clamp(1.2rem,2.2vw,2.1rem); line-height: 1; letter-spacing: .04em; text-shadow: 0 0 18px rgba(83,231,255,.45); }
.hud small { margin-top: .3rem; color: var(--muted); font-size: .66rem; font-weight: 800; letter-spacing: .11em; }
.hud-label { margin-bottom: .3rem; color: var(--cyan); font-size: .62rem; font-weight: 900; letter-spacing: .19em; }
.hud-center { position: absolute; top: clamp(.8rem,2vw,1.65rem); left: 50%; width: min(34%, 360px); text-align: center; transform: translateX(-50%); }
.hud-center strong { display: block; overflow: hidden; font-family: var(--body); font-size: clamp(.65rem,1vw,.82rem); line-height: 1.2; letter-spacing: .14em; text-overflow: ellipsis; white-space: nowrap; }
.objective-track { height: 3px; margin-top: .65rem; overflow: hidden; background: rgba(255,255,255,.1); }
.objective-track i { display: block; width: 0%; height: 100%; background: linear-gradient(90deg,var(--violet),var(--lime)); box-shadow: 0 0 12px var(--lime); transition: width .2s linear; }
.integrity-panel, .energy-panel { position: absolute; bottom: 1.2rem; width: min(20%, 200px); color: var(--muted); font-size: .56rem; font-weight: 900; letter-spacing: .13em; }
.integrity-panel { left: 1.4rem; }
.energy-panel { right: 1.4rem; text-align: right; }
.meter { height: 5px; margin-top: .45rem; background: rgba(255,255,255,.1); }
.meter i { display: block; width: 100%; height: 100%; background: var(--lime); box-shadow: 0 0 10px currentColor; transition: width .12s linear; }
.energy-panel .meter i { background: var(--cyan); }

.menu-screen {
  position: absolute;
  z-index: 6;
  inset: 0;
  display: grid;
  grid-template-columns: .87fr 1.13fr;
  align-items: center;
  padding: clamp(1.3rem,4vw,4.5rem);
  background:
    linear-gradient(90deg, rgba(2,2,6,.12) 0%, rgba(2,2,6,.48) 46%, rgba(2,2,6,.95) 100%),
    radial-gradient(circle at 25% 48%, rgba(200,255,47,.15), transparent 28%),
    radial-gradient(circle at 70% 65%, rgba(141,99,255,.18), transparent 38%);
}
.menu-screen:not(.active) { display: none; }

.commander-art { position: relative; align-self: stretch; min-height: 0; pointer-events: none; }
.commander-art img { position: absolute; z-index: 2; left: 50%; bottom: -8%; width: min(96%, 560px); height: 112%; object-fit: contain; transform: translateX(-50%); filter: drop-shadow(0 0 40px rgba(200,255,47,.16)); }
.pilot-aura { position: absolute; left: 50%; top: 47%; width: 65%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(200,255,47,.2), rgba(141,99,255,.06) 48%, transparent 70%); transform: translate(-50%,-50%); animation: aura 4s ease-in-out infinite; }
.orbit { position: absolute; z-index: 1; left: 50%; top: 48%; aspect-ratio: 1; border: 1px solid rgba(83,231,255,.3); border-radius: 50%; transform: translate(-50%,-50%); }
.orbit::before { content:""; position:absolute; top: 10%; left: 15%; width:8px; height:8px; border-radius:50%; background:var(--cyan); box-shadow:0 0 18px var(--cyan); }
.orbit-one { width: 84%; animation: spin 14s linear infinite; }
.orbit-two { width: 55%; border-color: rgba(255,72,215,.3); animation: spin 9s linear infinite reverse; }

.title-lockup { position: relative; z-index: 3; justify-self: end; width: min(100%, 690px); }
.eyebrow { margin: 0 0 .75rem; color: var(--lime); font-size: clamp(.58rem,.9vw,.74rem); font-weight: 950; letter-spacing: .23em; }
h1, h2, p { text-wrap: balance; }
h1 { display: flex; align-items: flex-end; gap: .75rem; margin: 0; font-family: var(--display); line-height: .78; letter-spacing: -.025em; transform: skew(-4deg); }
h1 span { font-size: clamp(4.3rem,9.6vw,9rem); text-shadow: 4px 4px 0 rgba(141,99,255,.75), -3px -2px 0 rgba(83,231,255,.4), 0 0 40px rgba(255,72,215,.26); }
h1 b { padding-bottom: .38rem; color: var(--lime); font-size: clamp(1.8rem,3.4vw,3.4rem); letter-spacing: .03em; }
.tagline { margin: 1.2rem 0 1.3rem; color: #d8d9e3; font-size: clamp(.72rem,1.15vw,1rem); font-weight: 900; line-height: 1.45; letter-spacing: .19em; }

.mode-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .65rem; }
.mode-card {
  position: relative;
  min-height: 128px;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  color: var(--white);
  text-align: left;
  background: linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.018));
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.mode-card::after { content:""; position:absolute; right:-28px; bottom:-28px; width:70px; height:70px; border:1px solid rgba(255,255,255,.1); border-radius:50%; }
.mode-card:hover, .mode-card:focus-visible { z-index:1; border-color: var(--cyan); background: linear-gradient(145deg, rgba(83,231,255,.12), rgba(141,99,255,.08)); transform: translateY(-4px); }
.mode-card.primary-mode { border-color: rgba(200,255,47,.58); box-shadow: inset 0 -3px 0 var(--lime); }
.mode-card small, .mode-card strong, .mode-card span { display:block; }
.mode-card small { margin-bottom:.75rem; color:var(--muted); font-size:.55rem; font-weight:900; letter-spacing:.15em; }
.mode-card strong { font-family:var(--display); font-size:clamp(1rem,1.5vw,1.3rem); letter-spacing:.045em; line-height:1; }
.mode-card span { margin-top:.7rem; color:var(--muted); font-size:.66rem; line-height:1.35; }
.menu-meta { display:flex; align-items:center; justify-content:space-between; margin-top:.8rem; color:#727586; font-size:.53rem; font-weight:800; letter-spacing:.11em; }
.text-button { padding:.65rem 0; border:0; background:transparent; color:var(--cyan); }

.overlay-panel {
  position: absolute;
  z-index: 12;
  left: 50%;
  top: 50%;
  width: min(90%, 650px);
  padding: clamp(1.5rem,4vw,3.5rem);
  border: 1px solid rgba(200,255,47,.38);
  background: linear-gradient(155deg, rgba(13,14,24,.97), rgba(2,2,7,.98));
  box-shadow: 0 0 0 100vmax rgba(0,0,0,.68), 0 0 70px rgba(141,99,255,.16), inset 0 0 50px rgba(83,231,255,.025);
  transform: translate(-50%,-50%);
  text-align: center;
}
.overlay-panel[hidden] { display:none; }
.overlay-panel::before { content:""; position:absolute; inset:8px; border:1px solid rgba(255,255,255,.07); pointer-events:none; }
.overlay-panel h2, .sector-card strong { margin:.15rem 0 1rem; font-family:var(--display); font-size:clamp(2.6rem,6vw,5.5rem); line-height:.9; letter-spacing:.015em; text-shadow:3px 3px 0 rgba(141,99,255,.55); }
.overlay-panel p:not(.eyebrow) { max-width: 510px; margin: 0 auto 1.6rem; color:var(--muted); line-height:1.6; }
.briefing-objectives { display:grid; gap:.4rem; margin:1.25rem auto 1.5rem; max-width:480px; }
.briefing-objectives span { padding:.55rem .8rem; border-left:2px solid var(--cyan); color:#daddf0; background:rgba(83,231,255,.05); font-size:.7rem; font-weight:850; letter-spacing:.1em; text-align:left; }
.launch-button {
  position:relative;
  padding:.9rem 1.35rem;
  border:1px solid var(--lime);
  color:#080a04;
  background:var(--lime);
  font-weight:950;
  letter-spacing:.12em;
  cursor:pointer;
  box-shadow:0 0 24px rgba(200,255,47,.22);
  transition:transform .16s ease, box-shadow .16s ease;
}
.launch-button:hover { transform:translateY(-2px); box-shadow:0 0 34px rgba(200,255,47,.4); }
.compact { width:min(90%,560px); }
.compact h2 { font-size:clamp(2.5rem,5vw,4.8rem); }
.control-guide { display:grid; grid-template-columns:1fr 1fr; gap:.5rem; margin:1rem 0 1.5rem; text-align:left; }
.control-guide div { display:flex; align-items:center; gap:.35rem; min-height:44px; padding:.55rem; border:1px solid var(--line); color:var(--muted); font-size:.62rem; font-weight:900; letter-spacing:.09em; }
kbd { min-width:28px; padding:.35rem .4rem; border:1px solid rgba(255,255,255,.26); color:var(--white); background:rgba(255,255,255,.07); text-align:center; box-shadow:0 2px 0 rgba(255,255,255,.13); }
.overlay-actions { display:flex; justify-content:center; flex-wrap:wrap; gap:.55rem; }
.secondary-button { min-height:46px; padding:.8rem 1rem; }
.result-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:.6rem; margin:1.2rem 0 1.6rem; }
.result-grid div { padding:.85rem .4rem; border:1px solid var(--line); background:rgba(255,255,255,.025); }
.result-grid span, .result-grid strong { display:block; }
.result-grid span { color:var(--muted); font-size:.54rem; font-weight:900; letter-spacing:.13em; }
.result-grid strong { margin-top:.4rem; font-family:var(--display); font-size:1.35rem; letter-spacing:.04em; }

.sector-card { position:absolute; z-index:10; left:50%; top:50%; width:min(92%,700px); padding:2rem; text-align:center; transform:translate(-50%,-50%); pointer-events:none; }
.sector-card[hidden] { display:none; }
.sector-card small,.sector-card span { display:block; font-size:.7rem; font-weight:950; letter-spacing:.25em; }
.sector-card small { color:var(--cyan); }
.sector-card span { color:var(--lime); }
.mission-message { position:absolute; z-index:11; left:50%; bottom:12%; padding:.7rem 1rem; border-left:2px solid var(--lime); color:var(--white); background:rgba(4,4,9,.8); font-size:.68rem; font-weight:900; letter-spacing:.13em; transform:translateX(-50%); pointer-events:none; }
.mission-message[hidden] { display:none; }

.touch-controls { display:none; grid-template-columns:1fr 1.5fr; gap:1rem; padding:.8rem 1rem max(.8rem,env(safe-area-inset-bottom)); border-bottom:1px solid var(--line); background:#050509; touch-action:none; user-select:none; }
.flight-pad, .action-pad { display:grid; gap:.45rem; }
.flight-pad { grid-template-columns:repeat(3,1fr); }
.action-pad { grid-template-columns:repeat(4,1fr); }
.touch-controls button { min-height:54px; border:1px solid rgba(255,255,255,.18); color:#c8cad8; background:rgba(255,255,255,.04); font-size:.66rem; font-weight:950; letter-spacing:.07em; touch-action:none; }
.touch-controls button.active { border-color:var(--cyan); color:var(--white); background:rgba(83,231,255,.15); box-shadow:inset 0 0 20px rgba(83,231,255,.1); }
.touch-controls .fire { border-color:rgba(200,255,47,.55); color:var(--lime); }

.game-footer { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; min-height:58px; padding:.7rem clamp(1rem,3vw,3rem); color:#666979; font-size:.57rem; font-weight:850; letter-spacing:.12em; }
.game-footer p { margin:0; }
.game-footer p:nth-child(2) { text-align:center; }
.game-footer a { justify-self:end; color:var(--muted); text-decoration:none; }
.game-footer a:hover { color:var(--lime); }
.sr-only { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip:rect(0,0,0,0)!important; white-space:nowrap!important; border:0!important; }

@keyframes signal { 50% { opacity:.35; transform:scale(.8); } }
@keyframes spin { to { transform:translate(-50%,-50%) rotate(360deg); } }
@keyframes aura { 50% { opacity:.62; transform:translate(-50%,-50%) scale(1.08); } }

@media (pointer: coarse), (max-width: 820px) {
  .touch-controls { display:grid; }
  .game-frame { min-height:0; max-height:none; }
  .menu-screen { grid-template-columns:1fr; padding:1.2rem; }
  .commander-art { position:absolute; inset:0; opacity:.26; }
  .commander-art img { left:20%; width:60%; }
  .title-lockup { justify-self:center; width:100%; }
  .mode-grid { gap:.4rem; }
  .mode-card { min-height:112px; padding:.7rem; background:rgba(4,4,10,.76); }
  .mode-card span { font-size:.58rem; }
  .menu-meta span { display:none; }
}

@media (max-width: 620px) {
  .game-header { grid-template-columns:1fr auto; min-height:58px; padding:.45rem .7rem; }
  .brand img { width:37px; height:37px; }
  .brand span { font-size:1.15rem; }
  .signal-status { display:none; }
  .header-actions { gap:.3rem; }
  .icon-button { padding:.5rem; font-size:.55rem; }
  #pause-button { display:none; }
  .game-frame { aspect-ratio: 9 / 12; }
  #game-canvas { object-fit:cover; }
  .menu-screen { align-items:center; overflow:auto; }
  h1 { justify-content:center; }
  h1 span { font-size:clamp(3.5rem,18vw,5.2rem); }
  h1 b { font-size:1.55rem; }
  .eyebrow,.tagline { text-align:center; }
  .tagline { margin:.8rem 0; font-size:.62rem; }
  .mode-grid { grid-template-columns:1fr; max-width:400px; margin:0 auto; }
  .mode-card { min-height:auto; padding:.72rem .85rem; }
  .mode-card small { margin-bottom:.3rem; }
  .mode-card span { margin-top:.35rem; }
  .menu-meta { justify-content:center; }
  .hud-center { top:4rem; width:60%; }
  .hud strong { font-size:1rem; }
  .hud-right { max-width:44%; }
  .hud-label { font-size:.5rem; }
  .integrity-panel,.energy-panel { width:34%; }
  .overlay-panel { max-height:92%; overflow:auto; padding:1.4rem 1rem; }
  .overlay-panel h2 { font-size:2.7rem; }
  .control-guide { grid-template-columns:1fr; }
  .result-grid { grid-template-columns:1fr 1fr; }
  .touch-controls { grid-template-columns:1fr; gap:.5rem; padding:.55rem .7rem max(.6rem,env(safe-area-inset-bottom)); }
  .touch-controls button { min-height:46px; }
  .game-footer { grid-template-columns:1fr auto; min-height:48px; padding:.6rem .8rem; }
  .game-footer p:nth-child(2) { display:none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior:auto!important; animation-duration:.001ms!important; animation-iteration-count:1!important; transition-duration:.001ms!important; }
  .scanline { display:none; }
}