:root {
  --bg: #070b16;
  --bg2: #0e1730;
  --panel: rgba(9, 16, 36, 0.82);
  --line: rgba(121, 167, 255, 0.28);
  --text: #e7efff;
  --muted: #9cb0d8;
  --accent: #56a5ff;
  --accent2: #55ffd3;
  --danger: #ff5d7a;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; background: radial-gradient(circle at top, #111f45 0%, var(--bg) 60%); color: var(--text); font-family: Inter, "Segoe UI", Roboto, system-ui, sans-serif; }
body { overflow: hidden; }

.ecosystem-dock {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 30;
  display: flex;
  gap: 8px;
}

.ecosystem-dock a {
  text-decoration: none;
  color: #e7efff;
  border: 1px solid rgba(121, 167, 255, 0.35);
  background: rgba(8, 14, 30, 0.72);
  border-radius: 999px;
  font-size: 12px;
  padding: 6px 10px;
  font-weight: 600;
}

.ecosystem-dock a:hover {
  border-color: rgba(85, 255, 211, 0.8);
}

.app { height: 100%; display: grid; grid-template-rows: auto auto 1fr; }

.hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 11, 22, 0.94), rgba(7, 11, 22, 0.6));
}
.hud-group { display: flex; gap: 12px; align-items: center; }
.hud-group.center { justify-content: center; }
.stat { min-width: 102px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: rgba(10, 20, 44, 0.5); }
.stat span { display: block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.stat strong { font-size: 15px; font-weight: 700; }
.stat.low strong { color: #ff9dad; }
.stat.shield-pop { border-color: rgba(85, 255, 211, 0.8); box-shadow: 0 0 18px rgba(85, 255, 211, 0.22); }
.stat.score-pop { border-color: rgba(121, 167, 255, 0.75); box-shadow: 0 0 18px rgba(121, 167, 255, 0.18); }

.xp-wrap { position: relative; height: 10px; background: rgba(11, 16, 31, 0.92); border-bottom: 1px solid rgba(121, 167, 255, 0.2); }
.xp-bar { height: 100%; width: 0%; background: linear-gradient(90deg, #2d87ff, #55ffd3); transition: width 0.15s linear; }
.xp-wrap span { position: absolute; right: 12px; top: -20px; font-size: 11px; color: var(--muted); letter-spacing: 0.08em; }
.objective-ticker {
  position: absolute;
  left: 12px;
  right: auto;
  top: -20px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #b7d2ff;
  text-transform: uppercase;
}

.arena-wrap { position: relative; width: 100%; height: 100%; min-height: 0; }
#gameCanvas { width: 100%; height: 100%; display: block; background: radial-gradient(circle at center, rgba(20, 39, 84, 0.2), rgba(5, 8, 17, 0.95)); }

.damage-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  opacity: 0;
  background: radial-gradient(circle at center, rgba(255, 93, 122, 0) 38%, rgba(255, 93, 122, 0.42) 100%);
  transition: opacity 0.14s ease;
}

.mission-announcer {
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translate(-50%, -12px);
  z-index: 20;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #d9e9ff;
  border: 1px solid rgba(121, 167, 255, 0.38);
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(7, 14, 30, 0.78);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.mission-announcer.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.mission-announcer.warn {
  color: #ffd7de;
  border-color: rgba(255, 93, 122, 0.6);
}

.mission-announcer.info {
  color: #d9fff4;
  border-color: rgba(85, 255, 211, 0.58);
}

.overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(4, 8, 20, 0.76);
  backdrop-filter: blur(3px);
  z-index: 10;
}
.overlay.show { display: flex; }

.panel {
  width: min(760px, 92vw);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
}
.small-panel { width: min(440px, 92vw); text-align: center; }
.panel h1, .panel h2 { margin: 0 0 10px; letter-spacing: 0.02em; }
.panel p { color: var(--muted); line-height: 1.5; margin: 0 0 12px; }
.ecosystem-link { color: #8ac2ff; text-decoration: none; font-weight: 600; }
.ecosystem-link:hover { color: #cce5ff; }
.panel ul { margin: 14px 0 20px 16px; color: var(--muted); line-height: 1.6; }
kbd {
  border: 1px solid rgba(140, 177, 250, 0.5);
  border-bottom-width: 3px;
  border-radius: 6px;
  padding: 2px 7px;
  margin-right: 4px;
  font-size: 12px;
  color: #dce8ff;
  background: rgba(31, 48, 82, 0.9);
}

.stack { display: flex; gap: 12px; flex-wrap: wrap; }

.career-panel {
  margin: 8px 0 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(10, 20, 44, 0.42);
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.career-panel div {
  border: 1px solid rgba(121, 167, 255, 0.25);
  border-radius: 10px;
  background: rgba(7, 15, 34, 0.65);
  padding: 8px;
}

.career-panel span {
  display: block;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.career-panel strong {
  font-size: 14px;
  color: #eef5ff;
}

.settings-grid {
  text-align: left;
  display: grid;
  gap: 10px;
}

.settings-grid label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: #c5d8ff;
}

.settings-grid input[type="range"] {
  width: 100%;
}

.settings-grid input[type="text"],
.settings-grid select {
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(121, 167, 255, 0.35);
  background: rgba(10, 20, 44, 0.65);
  color: #e7efff;
  padding: 8px 10px;
}

.settings-grid span {
  font-size: 12px;
  color: #d8ecff;
}

.settings-grid .toggle-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.multiplayer-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(10, 20, 44, 0.42);
  padding: 12px;
  margin: 0 0 14px;
}

.multiplayer-panel h3 {
  margin: 0 0 6px;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.coming-soon-pill {
  display: inline-block;
  margin-left: 8px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 167, 121, 0.5);
  border-radius: 999px;
  padding: 3px 7px;
  color: #ffd7c2;
  background: rgba(104, 51, 15, 0.42);
}

.small-note {
  color: #b7caef;
  font-size: 12px;
  margin: 0;
}

.mapping-grid {
  margin-top: 10px;
  display: grid;
  gap: 8px;
  text-align: left;
}

.mapping-grid div {
  border: 1px solid rgba(121, 167, 255, 0.25);
  border-radius: 10px;
  background: rgba(7, 15, 34, 0.65);
  padding: 8px;
}

.mapping-grid span {
  display: block;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mapping-grid strong {
  font-size: 14px;
}

.btn {
  border: 1px solid rgba(124, 181, 255, 0.62);
  background: linear-gradient(180deg, #4e9fff, #2d72da);
  color: #fff;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.small { padding: 8px 12px; font-size: 13px; }
.btn.ghost {
  background: rgba(36, 54, 92, 0.48);
  border-color: rgba(148, 182, 246, 0.4);
  color: #d8e4ff;
}

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 10px; }
.upgrade-card {
  background: rgba(17, 29, 56, 0.74);
  border: 1px solid rgba(137, 179, 255, 0.28);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  transition: transform 0.14s ease, border-color 0.14s ease;
}
.upgrade-card:hover { transform: translateY(-2px); border-color: rgba(85, 255, 211, 0.8); }
.upgrade-card h3 { margin: 0 0 6px; font-size: 16px; }
.upgrade-card p { margin: 0; font-size: 13px; }

@media (max-width: 900px) {
  .hud { gap: 10px; flex-wrap: wrap; }
  .hud-group.center { order: 3; width: 100%; justify-content: flex-start; }
  .card-grid { grid-template-columns: 1fr; }
  .career-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}