:root {
  --bg-0: #05070c;
  --bg-1: #121728;
  --glass: rgba(17, 21, 32, 0.74);
  --line: rgba(153, 170, 255, 0.3);
  --text: #ebf0ff;
  --muted: #b8c4ea;
  --glow-blue: #5bb7ff;
  --glow-orange: #ff9a4f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Rajdhani", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(91, 183, 255, 0.2), transparent 35%),
    radial-gradient(circle at 80% 80%, rgba(255, 154, 79, 0.16), transparent 32%),
    linear-gradient(145deg, var(--bg-1), var(--bg-0));
  display: grid;
  place-items: center;
  padding: 14px;
}

.app-shell {
  width: min(1100px, 100%);
  display: grid;
  gap: 10px;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), inset 0 0 30px rgba(100, 130, 255, 0.08);
  backdrop-filter: blur(8px);
}

.top-hud {
  display: grid;
  grid-template-columns: 230px 1fr 180px;
  gap: 10px;
  padding: 10px;
}

.stat-block { padding: 8px; border-radius: 10px; background: rgba(12, 16, 26, 0.75); }
.stat-block.center { display: grid; gap: 10px; }
.stat-block.right { display: grid; gap: 8px; align-content: start; }
.line { display: flex; justify-content: space-between; align-items: center; font-size: 1rem; }
.line strong { font-family: "Orbitron", sans-serif; letter-spacing: 0.4px; color: #f5f8ff; }
.line.spread { gap: 8px; flex-wrap: wrap; }

.bar {
  height: 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(8, 10, 16, 0.8);
  overflow: hidden;
  margin: 6px 0;
}

.bar > div {
  width: 100%;
  height: 100%;
  transition: width 120ms linear;
}

.bar.hp > div {
  background: linear-gradient(90deg, #53d35f, #9cff8b);
  box-shadow: 0 0 14px rgba(126, 255, 133, 0.45);
}

.bar.threat > div {
  background: linear-gradient(90deg, #d83546, #ff7a61);
  box-shadow: 0 0 12px rgba(255, 108, 108, 0.35);
}

.keyline { color: var(--muted); }
.keyline strong { color: #ffd489; font-family: "Orbitron", sans-serif; }

#level {
  background: rgba(20, 24, 38, 0.95);
  color: var(--text);
  border: 1px solid rgba(153, 170, 255, 0.45);
  border-radius: 8px;
  padding: 4px 6px;
}

.ui-btn {
  border: 1px solid rgba(153, 170, 255, 0.45);
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(92, 116, 186, 0.35), rgba(44, 58, 92, 0.55));
  color: var(--text);
  font-weight: 700;
  padding: 8px 12px;
  cursor: pointer;
}

.arena { position: relative; padding: 8px; }
#game { width: 100%; aspect-ratio: 900/550; border-radius: 10px; overflow: hidden; }
#game canvas { width: 100% !important; height: 100% !important; display: block; border-radius: 10px; }

.feed {
  position: absolute;
  left: 16px;
  top: 12px;
  font-family: "Orbitron", sans-serif;
  font-size: 1.2rem;
  text-shadow: 0 0 14px rgba(255, 186, 122, 0.6);
  pointer-events: none;
}

.bottom-hud {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.icon-btn {
  width: 74px;
  height: 74px;
  border-radius: 14px;
  border: 1px solid rgba(153, 170, 255, 0.45);
  background: linear-gradient(180deg, rgba(78, 95, 144, 0.62), rgba(29, 38, 61, 0.88));
  box-shadow: inset 0 0 10px rgba(91, 183, 255, 0.25), 0 0 18px rgba(0, 0, 0, 0.35);
  display: grid;
  place-items: center;
  position: relative;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s ease, box-shadow 0.18s ease;
}

.icon-btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.icon-btn:active { transform: translateY(0); filter: brightness(0.98); }

.icon-btn img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.45));
}

.icon-btn.settings {
  background: linear-gradient(180deg, rgba(96, 112, 146, 0.58), rgba(35, 43, 66, 0.85));
}

.icon-btn.settings img {
  width: 42px;
  height: 42px;
  opacity: 0.96;
}

.icon-btn.missile { background: linear-gradient(180deg, rgba(209, 102, 55, 0.66), rgba(87, 39, 24, 0.9)); box-shadow: inset 0 0 14px rgba(255, 154, 79, 0.45); }
.icon-btn.shield { background: linear-gradient(180deg, rgba(67, 116, 184, 0.54), rgba(24, 53, 84, 0.82)); }
.icon-btn.shield.active { box-shadow: inset 0 0 16px rgba(117, 208, 255, 0.55), 0 0 14px rgba(117, 208, 255, 0.45); }

.badge {
  position: absolute;
  right: 4px;
  top: 4px;
  min-width: 22px;
  border-radius: 999px;
  padding: 2px 6px;
  text-align: center;
  font-family: "Orbitron", sans-serif;
  font-size: 0.74rem;
  background: rgba(5, 8, 15, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffd489;
}

.hint {
  margin: 0;
  text-align: center;
  color: var(--muted);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(3, 6, 12, 0.7);
  z-index: 30;
}

.modal.open { display: grid; }

.card {
  width: min(380px, 92vw);
  background: linear-gradient(180deg, rgba(24, 30, 50, 0.96), rgba(12, 16, 29, 0.98));
  border: 1px solid rgba(153, 170, 255, 0.45);
  border-radius: 14px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.card h2 { margin: 0; font-family: "Orbitron", sans-serif; }
.card p { margin: 0; color: var(--muted); }
.card label { display: grid; gap: 6px; }
.card input {
  height: 40px;
  border-radius: 8px;
  border: 1px solid rgba(153, 170, 255, 0.45);
  background: rgba(13, 18, 32, 0.95);
  color: #ffde9f;
  text-align: center;
  font-family: "Orbitron", sans-serif;
  font-size: 1rem;
}
.card input.capture { outline: 2px solid rgba(91, 183, 255, 0.8); }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.gameover-card {
  border-color: rgba(255, 175, 122, 0.55);
  box-shadow: 0 0 35px rgba(255, 137, 66, 0.22), inset 0 0 24px rgba(255, 168, 94, 0.12);
}

.gameover-card h2 {
  font-size: 1.55rem;
  letter-spacing: 1px;
  color: #ffd8a9;
}

.upgrade-card {
  width: min(760px, 94vw);
  border-color: rgba(120, 228, 255, 0.42);
  box-shadow: 0 0 35px rgba(91, 183, 255, 0.18), inset 0 0 24px rgba(91, 183, 255, 0.1);
}

.upgrade-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.upgrade-option {
  border: 1px solid rgba(130, 208, 255, 0.34);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(27, 40, 70, 0.96), rgba(13, 18, 30, 0.98));
  color: var(--text);
  padding: 14px 12px;
  text-align: left;
  display: grid;
  gap: 8px;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.upgrade-option:hover {
  transform: translateY(-2px);
  border-color: rgba(159, 228, 255, 0.66);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28), inset 0 0 18px rgba(91, 183, 255, 0.12);
}

.upgrade-option strong {
  font-family: "Orbitron", sans-serif;
  color: #f3fbff;
  font-size: 0.92rem;
}

.upgrade-option small {
  color: #c8d9fb;
  font-size: 0.94rem;
  line-height: 1.3;
}

.upgrade-index {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  font-family: "Orbitron", sans-serif;
  font-size: 0.78rem;
  background: rgba(91, 183, 255, 0.16);
  border: 1px solid rgba(91, 183, 255, 0.32);
  color: #aeeeff;
}

.report-grid {
  display: grid;
  gap: 8px;
}

.report-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-radius: 9px;
  background: rgba(255, 188, 128, 0.08);
  border: 1px solid rgba(255, 188, 128, 0.2);
}

.report-row span {
  color: #c9d5f4;
}

.report-row strong {
  color: #ffe8c8;
  font-family: "Orbitron", sans-serif;
}

@media (max-width: 900px) {
  .top-hud { grid-template-columns: 1fr; }
  .line.spread { justify-content: flex-start; }
  .upgrade-grid { grid-template-columns: 1fr; }
}