:root {
  --cyan: #2ad8ff;
  --magenta: #ff2a9a;
  --bg: rgba(6, 10, 20, 0.78);
  --text: #e8f4ff;
  --muted: #8ea4bd;
  --danger: #ff3b4e;
  --heal: #30ff90;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: #05070d; color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; -webkit-user-select: none; user-select: none; }
#c { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; touch-action: none; }
body.playing { cursor: none; }
.hidden { display: none !important; }

.overlay { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; padding: 16px;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background: radial-gradient(ellipse at center, rgba(5, 8, 16, 0.25), rgba(5, 8, 16, 0.75)); overflow-y: auto; z-index: 20; }
#loading { flex-direction: column; background: #05070d; color: var(--muted); }
.spinner { width: 44px; height: 44px; border: 3px solid rgba(42, 216, 255, 0.2); border-top-color: var(--cyan); border-radius: 50%; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.panel { width: min(440px, 100%); background: var(--bg); border: 1px solid rgba(42, 216, 255, 0.25); border-radius: 14px;
  padding: 28px 24px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); text-align: center;
  box-shadow: 0 0 40px rgba(42, 216, 255, 0.12), inset 0 0 30px rgba(42, 216, 255, 0.05); margin: auto; }
.panel.small { width: min(320px, 100%); }
h1 { margin: 0 0 6px; font-size: clamp(38px, 10vw, 56px); letter-spacing: 0.08em; font-weight: 800; line-height: 1;
  color: #fff; text-shadow: 0 0 18px rgba(42, 216, 255, 0.8), 0 0 40px rgba(42, 216, 255, 0.4); }
h1 span { display: block; font-size: 0.48em; letter-spacing: 0.55em; margin-top: 6px; padding-left: 0.55em; color: var(--magenta);
  text-shadow: 0 0 14px rgba(255, 42, 154, 0.8); }
h2 { margin: 18px 0 10px; font-size: 15px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
h2.danger { color: var(--danger); font-size: 22px; margin-top: 0; text-shadow: 0 0 14px rgba(255, 59, 78, 0.6); }
.version { display: inline-block; margin: 10px 0 0; padding: 3px 12px; border: 1px solid rgba(42, 216, 255, 0.35); border-radius: 999px; color: var(--cyan, #2ad8ff); font-size: 13px; letter-spacing: 0.12em; }
.tag { color: var(--muted); margin: 10px 0 20px; font-size: 15px; }
.help { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 16px 0; }
button { font: inherit; cursor: pointer; border: 0; border-radius: 10px; color: var(--text); touch-action: manipulation; }
button:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.primary { display: block; width: 100%; min-height: 52px; font-size: 18px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  background: linear-gradient(90deg, #12a8d8, #2ad8ff); color: #031018; box-shadow: 0 0 24px rgba(42, 216, 255, 0.45); margin: 8px 0; }
.primary:hover { filter: brightness(1.1); }
.ghost { display: block; width: 100%; min-height: 44px; background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); margin: 8px 0; }
.ghost:hover { background: rgba(255, 255, 255, 0.1); }
.settings { display: grid; gap: 10px; text-align: left; font-size: 14px; color: var(--muted); }
.settings label { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
select { font: inherit; background: #0d1626; color: var(--text); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 8px; padding: 8px 10px; min-height: 40px; }
input[type=range] { width: 50%; accent-color: var(--cyan); }
.scores { list-style: none; margin: 0; padding: 0; font-size: 15px; }
.scores li { display: flex; gap: 10px; justify-content: center; padding: 4px 0; font-variant-numeric: tabular-nums; }
.scores li span { color: var(--muted); }
.scores li em { color: var(--muted); font-style: normal; font-size: 13px; }
.scores .empty { color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 14px 0 18px; }
.stats div { background: rgba(255, 255, 255, 0.05); border-radius: 10px; padding: 10px 4px; }
.stats b { display: block; font-size: 20px; font-variant-numeric: tabular-nums; }
.stats span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.best { color: var(--heal); font-weight: 700; min-height: 1em; margin: 0; }

/* HUD */
#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; font-variant-numeric: tabular-nums; }
#crosshair { --gap: 8px; position: absolute; left: 50%; top: 50%; width: 0; height: 0; transition: opacity 0.1s; }
#crosshair i { position: absolute; background: rgba(255, 255, 255, 0.9); box-shadow: 0 0 4px rgba(42, 216, 255, 0.9); }
#crosshair i:nth-child(1) { width: 2px; height: 9px; left: -1px; top: calc(-1 * var(--gap) - 9px); }
#crosshair i:nth-child(2) { width: 2px; height: 9px; left: -1px; top: var(--gap); }
#crosshair i:nth-child(3) { width: 9px; height: 2px; top: -1px; left: calc(-1 * var(--gap) - 9px); }
#crosshair i:nth-child(4) { width: 9px; height: 2px; top: -1px; left: var(--gap); }
#hitmarker { position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; transform: translate(-50%, -50%) rotate(45deg); opacity: 0; }
#hitmarker::before, #hitmarker::after { content: ""; position: absolute; background: #fff; }
#hitmarker::before { left: 12px; top: 0; width: 2px; height: 26px; }
#hitmarker::after { top: 12px; left: 0; height: 2px; width: 26px; }
#hitmarker.kill::before, #hitmarker.kill::after { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
#hitmarker.show { opacity: 1; }
#vignette { position: absolute; inset: 0; opacity: 0; background: radial-gradient(ellipse at center, transparent 45%, rgba(255, 20, 40, 0.55) 100%); }
#dmgdir { position: absolute; left: 50%; top: 50%; width: 260px; height: 260px; opacity: 0; transform: translate(-50%, -50%); }
#dmgdir::before { content: ""; position: absolute; left: 50%; top: 0; width: 90px; height: 22px; transform: translateX(-50%);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0; border-top: 5px solid var(--danger); filter: drop-shadow(0 0 6px var(--danger)); }
#dmgdir.show { animation: fadeout 1.1s ease-out forwards; }
@keyframes fadeout { 0% { opacity: 1; } 100% { opacity: 0; } }
#topbar { position: absolute; top: max(14px, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); display: flex; gap: 22px; align-items: center;
  background: rgba(6, 10, 20, 0.55); padding: 8px 18px; border-radius: 10px; border: 1px solid rgba(42, 216, 255, 0.2); font-size: 14px; white-space: nowrap; }
#wave { color: var(--cyan); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
#score { font-size: 22px; font-weight: 800; min-width: 70px; text-align: center; text-shadow: 0 0 10px rgba(42, 216, 255, 0.5); }
#enemies { color: var(--muted); }
#bossbar { position: absolute; top: calc(max(14px, env(safe-area-inset-top)) + 52px); left: 50%; transform: translateX(-50%); width: min(520px, 70vw); text-align: center; }
#bossname { font-size: 13px; font-weight: 800; letter-spacing: 0.3em; text-transform: uppercase; color: #ff6a8a; text-shadow: 0 0 10px rgba(255, 42, 106, 0.7); margin-bottom: 5px; }
#bossbar .bar { height: 12px; background: rgba(0, 0, 0, 0.5); border-radius: 6px; overflow: hidden; border: 1px solid rgba(255, 90, 120, 0.45); }
#bossfill { height: 100%; width: 100%; background: #ff2a6a; box-shadow: 0 0 14px currentColor; transition: width 0.12s; }
.kf.boss { color: #ff6a8a; font-size: 18px; }
#health { position: absolute; left: max(22px, env(safe-area-inset-left)); bottom: max(22px, env(safe-area-inset-bottom)); width: min(280px, 40vw); }
#health .label { font-size: 11px; letter-spacing: 0.25em; color: var(--muted); margin-bottom: 6px; }
#health .bar { height: 10px; background: rgba(255, 255, 255, 0.1); border-radius: 5px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.12); }
#hpfill { height: 100%; width: 100%; background: linear-gradient(90deg, #12a8d8, var(--cyan)); box-shadow: 0 0 12px var(--cyan); transition: width 0.15s; }
#hpfill.low { background: linear-gradient(90deg, #b01020, var(--danger)); box-shadow: 0 0 12px var(--danger); }
#hptext { font-size: 30px; font-weight: 800; margin-top: 4px; }
#ammo { position: absolute; right: max(22px, env(safe-area-inset-right)); bottom: max(22px, env(safe-area-inset-bottom)); text-align: right; }
#ammoNow { font-size: 44px; font-weight: 800; text-shadow: 0 0 12px rgba(42, 216, 255, 0.5); }
#ammoNow.low { color: var(--danger); text-shadow: 0 0 12px rgba(255, 59, 78, 0.6); }
#ammo .sep, #ammoMax { color: var(--muted); font-size: 20px; margin-left: 4px; }
#wslots { display: flex; justify-content: flex-end; gap: 4px; margin-bottom: 4px; }
#wslots i { font-style: normal; font-size: 11px; font-weight: 700; width: 18px; height: 18px; line-height: 18px; text-align: center; border-radius: 4px;
  color: var(--muted); border: 1px solid rgba(255, 255, 255, 0.15); }
#wslots i.on { color: #fff; border-color: var(--cyan); background: rgba(42, 216, 255, 0.25); }
#wname { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cyan); }
#reloadHint { font-size: 12px; color: var(--danger); letter-spacing: 0.1em; opacity: 0; transition: opacity 0.2s; }
#announce { position: absolute; left: 50%; top: 24%; transform: translateX(-50%); text-align: center; opacity: 0; white-space: nowrap; }
#announce.show { animation: ann 2.6s ease-out forwards; }
@keyframes ann { 0% { opacity: 0; transform: translate(-50%, 10px) scale(1.1); } 12% { opacity: 1; transform: translate(-50%, 0) scale(1); } 80% { opacity: 1; } 100% { opacity: 0; } }
#annTitle { font-size: clamp(28px, 6vw, 46px); font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; text-shadow: 0 0 20px rgba(42, 216, 255, 0.8); }
#annSub { color: var(--muted); font-size: 16px; margin-top: 6px; }
#killfeed { position: absolute; left: 50%; top: 58%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 2px; }
.kf { font-weight: 800; font-size: 18px; color: #fff; text-shadow: 0 0 10px var(--magenta); animation: kf 1.4s ease-out forwards; }
.kf.heal { color: var(--heal); text-shadow: 0 0 10px var(--heal); }
@keyframes kf { 0% { opacity: 0; transform: translateY(8px); } 15% { opacity: 1; transform: none; } 75% { opacity: 1; } 100% { opacity: 0; transform: translateY(-14px); } }

/* Touch controls */
#touch { position: fixed; inset: 0; z-index: 11; touch-action: none; --bs: 1; }
#zoneMove { position: absolute; left: 0; top: 0; bottom: 0; width: 45%; }
#zoneLook { position: absolute; right: 0; top: 0; bottom: 0; width: 55%; }
#stick { position: absolute; left: 110px; top: calc(100% - 130px); width: 120px; height: 120px; margin: -60px 0 0 -60px; border-radius: 50%;
  border: 2px solid rgba(42, 216, 255, 0.35); background: rgba(42, 216, 255, 0.06); pointer-events: none; opacity: 0.6; }
#stick.active { opacity: 1; }
#knob { position: absolute; left: 50%; top: 50%; width: 50px; height: 50px; margin: -25px 0 0 -25px; border-radius: 50%; background: rgba(42, 216, 255, 0.5);
  box-shadow: 0 0 14px rgba(42, 216, 255, 0.6); }
#touch button { position: absolute; border-radius: 50%; background: rgba(10, 18, 32, 0.55); border: 2px solid rgba(255, 255, 255, 0.25); color: #fff;
  font-weight: 700; font-size: 12px; letter-spacing: 0.05em; touch-action: none; opacity: var(--ba, 0.9); }
#tFire { right: max(calc(28px * var(--bs)), env(safe-area-inset-right)); bottom: max(calc(90px * var(--bs)), calc(env(safe-area-inset-bottom) + 70px * var(--bs))); width: calc(92px * var(--bs)); height: calc(92px * var(--bs));
  border-color: rgba(255, 59, 78, 0.7); background: rgba(255, 59, 78, 0.18); }
#tAds { right: max(calc(136px * var(--bs)), calc(env(safe-area-inset-right) + 110px * var(--bs))); bottom: max(calc(40px * var(--bs)), env(safe-area-inset-bottom)); width: calc(68px * var(--bs)); height: calc(68px * var(--bs)); font-size: calc(10px * var(--bs)); }
#tAds.on { border-color: var(--cyan); background: rgba(42, 216, 255, 0.3); }
#tJump { right: max(calc(136px * var(--bs)), calc(env(safe-area-inset-right) + 110px * var(--bs))); bottom: max(calc(128px * var(--bs)), calc(env(safe-area-inset-bottom) + 100px * var(--bs))); width: calc(60px * var(--bs)); height: calc(60px * var(--bs)); font-size: calc(20px * var(--bs)); }
#tReload { right: max(calc(40px * var(--bs)), env(safe-area-inset-right)); bottom: max(calc(200px * var(--bs)), calc(env(safe-area-inset-bottom) + 180px * var(--bs))); width: calc(56px * var(--bs)); height: calc(56px * var(--bs)); font-size: calc(22px * var(--bs)); }
#tWeapon { right: max(calc(110px * var(--bs)), calc(env(safe-area-inset-right) + 96px * var(--bs))); bottom: max(calc(212px * var(--bs)), calc(env(safe-area-inset-bottom) + 192px * var(--bs))); width: calc(52px * var(--bs)); height: calc(52px * var(--bs)); font-size: calc(22px * var(--bs));
  border-color: rgba(42, 216, 255, 0.6); }
#tPause { right: max(16px, env(safe-area-inset-right)); top: max(16px, env(safe-area-inset-top)); width: 44px; height: 44px; font-size: 14px; }
body:has(#touch:not(.hidden)) #ammo { bottom: auto; top: max(10px, env(safe-area-inset-top)); right: max(76px, calc(env(safe-area-inset-right) + 64px)); }
body:has(#touch:not(.hidden)) #ammoNow { font-size: 30px; }
body:has(#touch:not(.hidden)) #health { bottom: auto; top: max(70px, calc(env(safe-area-inset-top) + 60px)); }

@media (max-width: 640px) {
  #topbar { gap: 12px; padding: 6px 12px; font-size: 12px; }
  #score { font-size: 18px; min-width: 50px; }
  #ammoNow { font-size: 32px; }
  #hptext { font-size: 22px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  #announce.show, .kf { animation-duration: 0.01s; }
}
#minimap { position: absolute; left: max(16px, env(safe-area-inset-left)); top: max(16px, env(safe-area-inset-top)); width: min(150px, 26vw); height: auto; aspect-ratio: 1; border: 1px solid rgba(42, 216, 255, 0.3); border-radius: 8px; opacity: 0.9; }
#fade { position: absolute; inset: 0; background: #bff4ff; opacity: 0; }
#fade.show { animation: fadeflash 1.2s ease-out forwards; }
@keyframes fadeflash { 0% { opacity: 1; } 100% { opacity: 0; } }
.diff { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 0 0 12px; }
.diff button { padding: 9px 4px; border: 1px solid rgba(42, 216, 255, 0.3); border-radius: 8px; background: rgba(42, 216, 255, 0.05); color: var(--muted); font: inherit; font-size: 14px; cursor: pointer; }
.diff button.on { border-color: var(--cyan, #2ad8ff); background: rgba(42, 216, 255, 0.18); color: #fff; }

/* Upgrade choice after a boss. */
.panel.wide { width: min(720px, 100%); }
.upcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 14px 0 6px; }
.upcards button { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 18px 10px 12px; min-height: 170px;
  background: rgba(42, 216, 255, 0.06); border: 1px solid rgba(42, 216, 255, 0.35); border-radius: 12px; color: var(--text); font: inherit; cursor: pointer;
  transition: transform 0.12s, background 0.12s, border-color 0.12s; }
.upcards button.sel, .upcards button:hover, .upcards button:focus-visible { transform: translateY(-3px); background: rgba(42, 216, 255, 0.16); border-color: var(--cyan); outline: none; }
.upcards .ic { font-size: 34px; color: var(--cyan); text-shadow: 0 0 14px rgba(42, 216, 255, 0.8); line-height: 1.1; }
.upcards b { font-size: 16px; letter-spacing: 0.04em; }
.upcards span { font-size: 13px; color: var(--muted); line-height: 1.35; }
.upcards em { font-style: normal; color: var(--cyan); letter-spacing: 0.15em; font-size: 12px; margin-top: auto; }
.upcards kbd { position: absolute; top: 6px; left: 8px; font-size: 11px; font-weight: 700; font-family: inherit; color: var(--muted); }
@media (max-width: 640px) {
  .upcards { grid-template-columns: 1fr; gap: 6px; }
  .upcards button { min-height: 0; flex-direction: row; flex-wrap: wrap; justify-content: flex-start; text-align: left; padding: 10px 12px 10px 30px; }
  .upcards .ic { font-size: 22px; } .upcards span { flex-basis: 100%; } .upcards em { margin-top: 0; }
}
@media (pointer: coarse) { .upcards kbd { display: none; } }

/* Timed boosts from pickups. */
#health .bar { position: relative; }
#shieldfill { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: linear-gradient(90deg, rgba(58, 140, 255, 0.6), #8ab8ff); box-shadow: 0 0 12px #3a8cff; transition: width 0.15s; }
#buffs { position: absolute; left: max(22px, env(safe-area-inset-left)); bottom: calc(max(22px, env(safe-area-inset-bottom)) + 86px); display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
#buffs i { font-style: normal; font-size: 12px; font-weight: 700; letter-spacing: 0.06em; padding: 3px 9px; border-radius: 6px; background: rgba(6, 10, 20, 0.6); border: 1px solid currentColor; }
.b-ammo { color: #ffc22a; } .b-shield { color: #6aa8ff; } .b-speed { color: #ff9a4a; } .b-dmg { color: #ff5ab0; }
.kf.buff { text-shadow: 0 0 10px currentColor; }
body:has(#touch:not(.hidden)) #buffs { bottom: auto; top: max(140px, calc(env(safe-area-inset-top) + 130px)); }
body:has(#touch:not(.hidden)) #buffs i { font-size: 11px; padding: 2px 7px; }

/* Online leaderboard and pilot name. */
#pname { width: 160px; padding: 7px 10px; border-radius: 8px; border: 1px solid rgba(42, 216, 255, 0.3); background: rgba(42, 216, 255, 0.05); color: var(--text); font: inherit; }
#pname:focus { outline: none; border-color: var(--cyan); }
.scores li b { font-weight: 600; max-width: 9em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scores li.me { color: var(--heal); }

/* Mobile comfort: settings shown only on touch screens; minimap no longer covers the armor block. */
.touch-only { display: none !important; }
body.touch .touch-only { display: flex !important; }
.settings label.check input { width: 20px; height: 20px; accent-color: var(--cyan); }
#pause .settings { margin: 6px 0 8px; }
body:has(#touch:not(.hidden)) #minimap { width: 110px; }
body:has(#touch:not(.hidden)):has(#minimap:not(.hidden)) #health { top: max(136px, calc(env(safe-area-inset-top) + 126px)); }
body:has(#touch:not(.hidden)):has(#minimap:not(.hidden)) #buffs { top: max(206px, calc(env(safe-area-inset-top) + 196px)); }
body:has(#touch:not(.hidden)) #wname { display: none; }

/* Sector briefings. */
#briefing { cursor: pointer; }
.brief { text-align: left; border-color: rgba(255, 42, 154, 0.35); }
.brief h2 { text-align: left; color: #fff; font-size: 22px; margin: 4px 0 12px; }
.brief-from { margin: 0; font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--magenta); }
.brief-from::before { content: '●'; margin-right: 8px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.2; } }
.brief-text { min-height: 6.5em; font-size: 16px; line-height: 1.55; color: var(--text); margin: 0 0 14px; }
.brief-goal { opacity: 0; transform: translateY(6px); transition: opacity 0.3s, transform 0.3s; border-left: 3px solid var(--cyan); padding: 6px 12px; background: rgba(42, 216, 255, 0.07); border-radius: 0 8px 8px 0; }
.brief-goal.show { opacity: 1; transform: none; }
.brief-goal span { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--cyan); }
.brief-goal p { margin: 4px 0 0; font-weight: 600; }
.brief .help { text-align: center; margin-top: 16px; }