.hud {
  position: absolute;
  inset: 0;
  z-index: 5;
  overflow: hidden;
  color: var(--white);
  font-size: 0.68rem;
  pointer-events: none;
  text-shadow: 1px 1px 0 #000;
}

.hud::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(54vw, 700px);
  height: min(38vw, 500px);
  border: 1px solid rgba(0, 213, 223, 0.08);
  content: "";
  transform: translate(-50%, -50%);
  clip-path: polygon(0 12%, 12% 0, 88% 0, 100% 12%, 100% 88%, 88% 100%, 12% 100%, 0 88%);
  pointer-events: none;
}

.hud.is-damaged::after {
  position: absolute;
  inset: 0;
  border: 5px solid rgba(255, 59, 48, 0.4);
  content: "";
  animation: hud-alarm 0.75s steps(2) infinite;
}

.hud-top {
  position: absolute;
  top: max(1rem, env(safe-area-inset-top));
  right: max(1rem, env(safe-area-inset-right));
  left: max(1rem, env(safe-area-inset-left));
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.hud-panel {
  padding: 0.55rem 0.7rem;
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(4, 11, 17, 0.82), rgba(4, 11, 17, 0.25));
}

.hud-system {
  display: grid;
  gap: 0.25rem;
}

.hud-system strong {
  color: var(--yellow);
  font-size: 0.82rem;
  letter-spacing: 0.09em;
}

.hud-system span {
  color: var(--gray);
  font-size: 0.54rem;
}

.hud-top__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hud-top__right > strong {
  padding: 0.55rem 0.7rem;
  background: rgba(0, 132, 255, 0.14);
  color: var(--cyan);
}

.hud-top__right .ui-button {
  pointer-events: auto;
}

.hud-left {
  position: absolute;
  top: 22%;
  left: max(1rem, env(safe-area-inset-left));
  display: grid;
  gap: 0.6rem;
  width: clamp(150px, 15vw, 210px);
}

.hud-status {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.3rem 0.7rem;
  padding: 0.45rem 0.6rem;
  background: rgba(4, 8, 13, 0.55);
  color: var(--gray);
  font-size: 0.58rem;
}

.hud-status > span:last-of-type {
  justify-self: end;
  color: var(--white);
}

.hud-bar {
  grid-column: 1 / -1;
  display: block;
  height: 6px;
  padding: 1px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(0, 0, 0, 0.6);
}

.hud-bar i {
  display: block;
  width: 0;
  height: 100%;
  transition: width 0.16s steps(4);
}

.hud-bar--cyan i {
  background: var(--cyan);
}

.hud-bar--yellow i {
  background: var(--yellow);
}

.hud-target {
  display: grid;
  gap: 0.2rem;
  padding: 0.45rem 0.6rem;
  border-left: 2px solid var(--yellow);
  background: rgba(4, 8, 13, 0.55);
  color: var(--gray);
  font-size: 0.56rem;
}

.hud-target strong {
  color: var(--yellow);
}

.hud-reticle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 86px;
  height: 86px;
  transform: translate(-50%, -50%);
}

.hud-reticle i {
  position: absolute;
  background: rgba(0, 213, 223, 0.85);
}

.hud-reticle i:nth-child(1),
.hud-reticle i:nth-child(2) {
  top: 50%;
  width: 25px;
  height: 1px;
}

.hud-reticle i:nth-child(1) { left: 0; }
.hud-reticle i:nth-child(2) { right: 0; }

.hud-reticle i:nth-child(3),
.hud-reticle i:nth-child(4) {
  left: 50%;
  width: 1px;
  height: 25px;
}

.hud-reticle i:nth-child(3) { top: 0; }
.hud-reticle i:nth-child(4) { bottom: 0; }

.hud-reticle b {
  position: absolute;
  inset: 37px;
  border: 1px solid var(--yellow);
  transform: rotate(45deg);
}

.hud-radar {
  position: absolute;
  top: 22%;
  right: max(1rem, env(safe-area-inset-right));
  display: grid;
  justify-items: center;
  gap: 0.3rem;
  color: var(--cyan);
  font-size: 0.55rem;
}

.hud-radar__canvas {
  display: block;
  width: clamp(90px, 9vw, 130px);
  height: auto;
  border: 1px solid rgba(0, 213, 223, 0.65);
  border-radius: 50%;
  background: rgba(0, 12, 18, 0.64);
  box-shadow: inset 0 0 18px rgba(0, 213, 223, 0.12), 0 0 0 4px rgba(0, 132, 255, 0.08);
}

.hud-bottom {
  position: absolute;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  left: max(1rem, env(safe-area-inset-left));
  display: grid;
  justify-items: center;
  gap: 0.6rem;
}

.hud-flight {
  display: grid;
  grid-template-columns: auto 100px minmax(130px, 210px) 90px;
  align-items: center;
  gap: 1rem;
  min-width: min(650px, 90vw);
  border-top: 2px solid var(--cyan);
}

.hud-flight__speed {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--gray);
  font-size: 0.56rem;
}

.hud-flight__speed strong {
  color: var(--white);
  font-size: 1.4rem;
}

.hud-flight__speed i {
  color: var(--cyan);
  font-size: 0.5rem;
  font-style: normal;
}

.hud-flight__throttle,
.hud-cargo,
.hud-fuel {
  display: grid;
  gap: 0.25rem;
  color: var(--gray);
  font-size: 0.52rem;
}

.hud-flight__throttle span {
  color: var(--cyan);
}

.hud-fuel {
  grid-template-columns: 1fr auto;
}

.hud-fuel .hud-bar {
  grid-column: 1 / -1;
}

.hud-fuel strong,
.hud-cargo strong {
  color: var(--white);
}

.hud-message {
  min-height: 1.5rem;
  padding: 0.35rem 0.8rem;
  background: rgba(0, 132, 255, 0.12);
  color: var(--yellow);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.15s, transform 0.15s;
}

.hud-message.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hud-dock {
  position: absolute;
  bottom: 8.5rem;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--yellow);
  background: rgba(6, 10, 14, 0.88);
  color: var(--yellow);
  font-size: 0.7rem;
  opacity: 0;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s, transform 0.2s;
}

.hud-dock.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
  animation: dock-pulse 0.8s steps(2) infinite;
}

.hud-marker {
  position: absolute;
  display: grid;
  justify-items: center;
  gap: 0.2rem;
  color: var(--yellow);
  font-size: 0.52rem;
  transform: translate(-50%, -50%);
}

.hud-marker i {
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  transform: rotate(45deg);
}

.hud-marker::after {
  position: absolute;
  top: 26px;
  width: 1px;
  height: 14px;
  background: currentColor;
  content: "";
}

.hud-marker--enemy {
  color: var(--red);
}

.hud-marker--enemy i {
  border-radius: 50%;
  transform: none;
}

.hud-damage {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, transparent 30%, rgba(255, 59, 48, 0.6));
  opacity: 0;
}

.hud-damage.is-active {
  animation: damage-flash 0.34s steps(3);
}

.hud-help {
  position: absolute;
  bottom: 0.3rem;
  left: 50%;
  color: rgba(244, 244, 237, 0.42);
  font-size: 0.48rem;
  letter-spacing: 0.06em;
  transform: translateX(-50%);
  white-space: nowrap;
}

@keyframes dock-pulse {
  50% { background: rgba(255, 225, 74, 0.2); }
}

@keyframes damage-flash {
  0% { opacity: 0.9; }
  100% { opacity: 0; }
}

@keyframes hud-alarm {
  50% { border-color: transparent; }
}

@media (max-width: 720px) {
  .hud-radar,
  .hud-help,
  .hud-flight__throttle {
    display: none;
  }

  .hud-left {
    top: auto;
    bottom: 7rem;
    width: 130px;
  }

  .hud-flight {
    grid-template-columns: auto minmax(100px, 1fr) auto;
    min-width: 0;
    width: 100%;
  }

  .hud-top__right .ui-button {
    display: none;
  }
}