:root {
  --cyan: #5df7ff;
  --violet: #a879ff;
  --amber: #ffe66d;
  --ink: #03050c;
  --font: "Bahnschrift", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: "Consolas", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--ink); }
body { font-family: var(--font); color: #fff; user-select: none; -webkit-user-select: none; }

/* The ONE canvas sizing authority. renderer.setSize always passes updateStyle:false. */
#game { position: fixed; inset: 0; width: 100%; height: 100%; display: block; cursor: none; }

#hud {
  position: fixed; inset: 0; pointer-events: none; overflow: hidden;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.boot-error {
  position: fixed; inset: 0; z-index: 20000;
  display: grid; place-items: center; padding: 28px;
  background: radial-gradient(circle at 50% 35%, #15203c 0, #050711 55%, #010207 100%);
  color: #f7fbff; text-align: center; pointer-events: auto;
}
.boot-error > div { max-width: 720px; }
.boot-error h1 { color: var(--cyan); font-size: clamp(24px, 5vw, 48px); letter-spacing: 0.08em; }
.boot-error p { margin: 18px 0 10px; color: #ffd8fa; font-family: var(--mono); white-space: pre-wrap; }
.boot-error small { color: rgba(235, 245, 255, 0.72); }

/* ---------- vignettes (health lives here, not in a bar) ---------- */
#vignette {
  position: absolute; inset: 0;
  box-shadow: inset 0 0 220px rgba(0, 0, 0, 0.7), inset 0 0 60px rgba(0, 0, 0, 0.35);
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.35) 100%);
}
#dmg-vignette {
  position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(ellipse at center, transparent 48%, rgba(168, 60, 120, 0.5) 100%);
  transition: opacity 0.08s linear;
}
#shield-vignette {
  position: absolute; inset: 0; opacity: 0;
  background:
    radial-gradient(ellipse at center, transparent 52%, rgba(53, 223, 255, 0.22) 76%, rgba(93, 247, 255, 0.58) 100%);
  box-shadow: inset 0 0 72px rgba(93, 247, 255, 0.23);
  transition: opacity 0.045s linear;
}
#hurt-vignette {
  position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(ellipse at center, transparent 34%, rgba(140, 12, 48, 0.62) 100%);
}

/* ---------- crosshair: canvas-drawn (real spread cone + markers) ---------- */
#reticle { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }

/* ---------- damage direction ---------- */
#dmgdir { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }

/* ---------- ammo (subdued, lower right) ---------- */
#ammo {
  position: absolute; right: max(26px, env(safe-area-inset-right)); bottom: 22px;
  font: 600 15px/1.1 var(--mono); letter-spacing: 0.1em; text-align: right;
  color: rgba(214, 236, 255, 0.55);
}
#ammo .mag { font-size: 26px; color: rgba(230, 246, 255, 0.8); }
#ammo.low .mag { color: var(--amber); }
#ammo.dry .mag { color: #ff5d7a; }
#ammo.boosted .mag {
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(93, 247, 255, 0.62), 0 0 20px rgba(93, 247, 255, 0.25);
}
#ammo.boosted::after {
  content: "";
  position: absolute; right: 0; bottom: -7px;
  width: 34px; height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 9px rgba(93, 247, 255, 0.75);
}

/* ---------- vitals: the ammo readout's twin, opposite corner ---------- */
#vitals {
  position: absolute; left: max(26px, env(safe-area-inset-left)); bottom: 22px;
  font: 600 15px/1.1 var(--mono); letter-spacing: 0.1em;
  color: rgba(214, 236, 255, 0.55);
  display: flex; align-items: flex-end; gap: 9px;
}
#vitals .hp { font-size: 26px; color: rgba(230, 246, 255, 0.8); }
#vitals .shield {
  min-width: 0; padding-bottom: 3px; font-size: 13px;
  color: rgba(93, 247, 255, 0.94); text-shadow: 0 0 9px rgba(53, 223, 255, 0.72);
}
#vitals.shielded .pips { filter: drop-shadow(0 0 5px rgba(53, 223, 255, 0.64)); }
#vitals .pips { display: flex; align-items: flex-end; gap: 3px; padding-bottom: 5px; }
#vitals .pips i {
  display: block; width: 4px; height: 17px; border-radius: 1px;
  background: var(--cyan); transform-origin: bottom center;
  transition: opacity 0.12s linear, transform 0.12s linear;
}
#vitals.low .hp { color: var(--amber); }
#vitals.low .pips i { background: var(--amber); }
#vitals.crit .hp { color: #ff5d7a; }
#vitals.crit .pips i { background: #ff5d7a; }

/* ---------- wave banner: plain, charged, brief ---------- */
#banner {
  position: absolute; left: 50%; top: 26%; transform: translateX(-50%);
  font: 800 clamp(18px, 2.6vw, 30px)/1.2 var(--font);
  letter-spacing: 0.34em; text-transform: uppercase;
  color: rgba(233, 246, 255, 0.92); opacity: 0; white-space: nowrap;
}
#banner small {
  display: block; font: 500 12px/2.2 var(--mono);
  letter-spacing: 0.22em; color: rgba(160, 214, 255, 0.6); text-transform: none;
}

/* ---------- recovered satellite: brief, separate from wave language ---------- */
#salvage-confirm {
  position: absolute; left: 50%; bottom: max(11%, 82px);
  min-width: 250px; padding: 9px 22px 8px;
  text-align: center; opacity: 0; transform: translate(-50%, 9px);
  color: rgba(239, 252, 255, 0.96);
  background: linear-gradient(90deg, transparent, rgba(8, 30, 42, 0.70) 18%, rgba(8, 30, 42, 0.70) 82%, transparent);
  border-top: 1px solid rgba(93, 247, 255, 0.30);
  border-bottom: 1px solid rgba(93, 247, 255, 0.18);
  filter: drop-shadow(0 0 11px rgba(93, 247, 255, 0.20));
  will-change: opacity, transform;
}
#salvage-confirm::before, #salvage-confirm::after {
  content: ""; position: absolute; top: 6px; bottom: 6px; width: 6px;
  border-top: 1px solid rgba(216, 249, 255, 0.84);
  border-bottom: 1px solid rgba(216, 249, 255, 0.84);
}
#salvage-confirm::before { left: 9px; border-left: 2px solid rgba(93, 247, 255, 0.82); }
#salvage-confirm::after { right: 9px; border-right: 2px solid rgba(93, 247, 255, 0.82); }
#salvage-confirm strong {
  display: block; font: 760 12px/1.2 var(--font);
  letter-spacing: 0.24em; text-indent: 0.24em;
}
#salvage-confirm small {
  display: block; margin-top: 4px; font: 600 10px/1 var(--mono);
  letter-spacing: 0.13em; color: rgba(194, 237, 255, 0.76);
}

/* ---------- menu / death shell ---------- */
.shell {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: max(34px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(34px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
  background:
    linear-gradient(90deg, rgba(1, 3, 9, 0.82), rgba(3, 8, 18, 0.34) 38%, rgba(3, 8, 18, 0.34) 62%, rgba(1, 3, 9, 0.82)),
    radial-gradient(circle at 50% 38%, rgba(23, 50, 72, 0.22) 0, rgba(5, 7, 17, 0.72) 56%, rgba(1, 2, 7, 0.94) 100%);
  box-shadow: inset 0 0 180px rgba(0, 0, 0, 0.58);
  pointer-events: auto; text-align: center; transition: opacity 0.35s ease;
}
.shell.hidden { opacity: 0; pointer-events: none; }
.shell h1 {
  font: 780 clamp(50px, 8.2vw, 104px)/0.9 var(--font);
  letter-spacing: 0.34em; text-indent: 0.34em; color: #edf8ff;
  text-shadow: 0 0 14px rgba(93, 247, 255, 0.20), 0 0 54px rgba(93, 247, 255, 0.24), 0 6px 30px #000;
}
.shell p {
  max-width: 620px; margin-top: 24px;
  font: 520 clamp(12px, 1.3vw, 15px)/1.75 var(--font);
  letter-spacing: 0.15em; color: rgba(205, 229, 247, 0.76);
}
.shell .go {
  position: relative; margin-top: 36px; display: inline-block; min-width: 250px; padding: 15px 34px 14px;
  font: 720 13px/1 var(--font); letter-spacing: 0.25em; text-indent: 0.25em; text-transform: uppercase;
  color: #e8fbff; background: linear-gradient(180deg, rgba(33, 77, 94, 0.72), rgba(7, 22, 32, 0.94));
  border: 1px solid rgba(93, 247, 255, 0.72); border-radius: 2px; cursor: pointer;
  box-shadow: inset 0 0 18px rgba(93, 247, 255, 0.08), 0 0 24px rgba(93, 247, 255, 0.14);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.shell .go:hover, .shell .go:focus-visible {
  color: #06131c; background: var(--cyan); border-color: #d9fdff;
  box-shadow: 0 0 32px rgba(93, 247, 255, 0.36); outline: none;
}
.shell .stats { margin-top: 22px; font: 500 13px/2 var(--mono); letter-spacing: 0.14em; color: rgba(255, 230, 109, 0.8); }
.shell .keys {
  max-width: 760px; margin-top: 30px; padding-top: 16px;
  border-top: 1px solid rgba(124, 193, 224, 0.16);
  font: 500 10px/2 var(--mono); letter-spacing: 0.13em; color: rgba(167, 195, 219, 0.56);
}

#boot-note { position: absolute; left: 50%; bottom: 9%; transform: translateX(-50%); font: 500 11px/1.6 var(--mono); letter-spacing: 0.18em; color: rgba(150, 178, 208, 0.5); }

@media (max-height: 650px) {
  .shell h1 { font-size: clamp(42px, 10vh, 70px); }
  .shell p { margin-top: 14px; }
  .shell .go { margin-top: 22px; }
  .shell .keys { margin-top: 18px; padding-top: 10px; line-height: 1.65; }
}

@media (max-width: 640px) {
  .shell h1 { font-size: clamp(38px, 15vw, 70px); letter-spacing: 0.22em; text-indent: 0.22em; }
  .shell p { letter-spacing: 0.08em; }
  .shell .keys { font-size: 9px; letter-spacing: 0.07em; }
  #ammo { right: 16px; bottom: 16px; }
  #vitals { left: 16px; bottom: 16px; }
}