/* ================================================
   HUD ELEMENTS - NEO MILITARISM INTERFACE
   ================================================ */

/* ================================================
   HUD DATA DISPLAYS
   ================================================ */
.hud-display {
  position: relative;
  padding: var(--space-sm) var(--space-md);
  background: rgba(196, 92, 38, 0.04);
  border: 1px solid var(--border-primary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
}

.hud-display::before,
.hud-display::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--primary);
}

.hud-display::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.hud-display::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

/* ================================================
   PROGRESS BARS
   ================================================ */
.hud-progress {
  position: relative;
  height: 4px;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.hud-progress::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  width: var(--progress, 0%);
  transition: width 0.5s ease-out;
}

.hud-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: progressShine 2s linear infinite;
}

@keyframes progressShine {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.hud-progress.critical::before {
  background: linear-gradient(90deg, var(--red), var(--red-dim));
}

.hud-progress.warning::before {
  background: linear-gradient(90deg, var(--yellow), var(--yellow-dim));
}

.hud-progress.success::before {
  background: linear-gradient(90deg, var(--green), var(--green-dim));
}

/* ================================================
   CIRCULAR GAUGES
   ================================================ */
.hud-gauge {
  position: relative;
  width: 80px;
  height: 80px;
}

.hud-gauge svg {
  transform: rotate(-90deg);
}

.hud-gauge-bg {
  fill: none;
  stroke: var(--bg-tertiary);
  stroke-width: 4;
}

.hud-gauge-fill {
  fill: none;
  stroke: var(--primary);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 226;
  stroke-dashoffset: calc(226 - (226 * var(--percent, 0)) / 100);
  transition: stroke-dashoffset 0.5s ease-out;
  filter: drop-shadow(0 0 4px var(--primary-glow));
}

.hud-gauge-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary);
}

/* ================================================
   MINI MAP / RADAR
   ================================================ */
.hud-radar {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: 
    radial-gradient(circle, transparent 40%, rgba(196, 92, 38, 0.04) 100%),
    conic-gradient(from 0deg, transparent 0%, rgba(212, 168, 75, 0.15) 10%, transparent 10%);
  border: 1px solid var(--border-primary);
  overflow: hidden;
}

.hud-radar::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: conic-gradient(from 0deg, transparent 0%, rgba(212, 168, 75, 0.2) 5%, transparent 30%);
  transform-origin: center;
  animation: radarSweep 3s linear infinite;
}

.hud-radar::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  background: var(--secondary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--secondary-glow);
}

@keyframes radarSweep {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.radar-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle, transparent 30%, transparent 30.5%, var(--border-dim) 30.5%, var(--border-dim) 31%, transparent 31%),
    radial-gradient(circle, transparent 60%, transparent 60.5%, var(--border-dim) 60.5%, var(--border-dim) 61%, transparent 61%),
    linear-gradient(0deg, transparent 49.5%, var(--border-dim) 49.5%, var(--border-dim) 50.5%, transparent 50.5%),
    linear-gradient(90deg, transparent 49.5%, var(--border-dim) 49.5%, var(--border-dim) 50.5%, transparent 50.5%);
}

.radar-blip {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--magenta);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--magenta-glow);
  animation: blipPulse 2s ease-in-out infinite;
}

@keyframes blipPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

/* ================================================
   STATUS INDICATORS
   ================================================ */
.hud-status-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
}

.hud-status-icon {
  width: 12px;
  height: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hud-status-icon svg {
  width: 100%;
  height: 100%;
}

.hud-status-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  flex: 1;
}

.hud-status-value {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--secondary);
}

.hud-status-value.warning { color: var(--yellow); }
.hud-status-value.critical { color: var(--red); }
.hud-status-value.success { color: var(--green); }

/* ================================================
   ALERT BANNER
   ================================================ */
.hud-alert-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-lg);
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(201, 48, 44, 0.15) 20%,
    rgba(201, 48, 44, 0.2) 50%,
    rgba(201, 48, 44, 0.15) 80%,
    transparent 100%
  );
  border-bottom: 1px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.hud-alert-banner.visible {
  transform: translateY(0);
}

.hud-alert-banner .alert-icon {
  width: 20px;
  height: 20px;
  color: var(--red);
  animation: alertIconPulse 0.5s ease-in-out infinite;
}

@keyframes alertIconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.hud-alert-banner .alert-text {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  animation: alertTextGlitch 0.2s steps(2) infinite;
}

@keyframes alertTextGlitch {
  0% { text-shadow: -1px 0 var(--cyan), 1px 0 var(--magenta); }
  50% { text-shadow: 1px 0 var(--cyan), -1px 0 var(--magenta); }
  100% { text-shadow: -1px 0 var(--cyan), 1px 0 var(--magenta); }
}

/* ================================================
   TARGETING BRACKETS
   ================================================ */
.target-brackets {
  position: relative;
}

.target-brackets::before,
.target-brackets::after,
.target-brackets .bracket-bl,
.target-brackets .bracket-br {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--primary);
  opacity: 0.8;
}

.target-brackets::before {
  top: -6px;
  left: -6px;
  border-right: none;
  border-bottom: none;
}

.target-brackets::after {
  top: -6px;
  right: -6px;
  border-left: none;
  border-bottom: none;
}

.target-brackets .bracket-bl {
  bottom: -6px;
  left: -6px;
  border-right: none;
  border-top: none;
}

.target-brackets .bracket-br {
  bottom: -6px;
  right: -6px;
  border-left: none;
  border-top: none;
}

/* ================================================
   SYSTEM INFO DISPLAY
   ================================================ */
.system-info {
  position: fixed;
  bottom: 30px;
  left: 30px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.8;
  opacity: 0.5;
  pointer-events: none;
  z-index: 50;
}

.system-info::before {
  content: '// SYSTEM INFO';
  display: block;
  color: var(--primary-dim);
  margin-bottom: var(--space-xs);
}

/* ================================================
   THREAT LEVEL INDICATOR
   ================================================ */
.threat-level {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.threat-level-bars {
  display: flex;
  gap: 2px;
}

.threat-bar {
  width: 4px;
  height: 16px;
  background: var(--bg-tertiary);
  transition: background 0.3s ease;
}

.threat-level[data-level="1"] .threat-bar:nth-child(1) { background: var(--green); }

.threat-level[data-level="2"] .threat-bar:nth-child(1),
.threat-level[data-level="2"] .threat-bar:nth-child(2) { background: var(--green); }

.threat-level[data-level="3"] .threat-bar:nth-child(1),
.threat-level[data-level="3"] .threat-bar:nth-child(2),
.threat-level[data-level="3"] .threat-bar:nth-child(3) { background: var(--yellow); }

.threat-level[data-level="4"] .threat-bar:nth-child(1),
.threat-level[data-level="4"] .threat-bar:nth-child(2),
.threat-level[data-level="4"] .threat-bar:nth-child(3),
.threat-level[data-level="4"] .threat-bar:nth-child(4) { background: var(--orange); }

.threat-level[data-level="5"] .threat-bar { 
  background: var(--red); 
  animation: threatPulse 0.5s ease-in-out infinite alternate;
}

@keyframes threatPulse {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

.threat-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ================================================
   COORDINATE DISPLAY
   ================================================ */
.coord-display {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.coord-display span {
  color: var(--secondary);
}

/* ================================================
   AMMO/RESOURCE COUNTER STYLE
   ================================================ */
.resource-counter {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.resource-current {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.resource-separator {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-muted);
}

.resource-max {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ================================================
   MINIATURE WAVEFORM
   ================================================ */
.waveform {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 20px;
}

.wave-bar {
  width: 3px;
  background: var(--primary);
  border-radius: 1px;
  animation: waveAnimate 1s ease-in-out infinite;
}

.wave-bar:nth-child(1) { animation-delay: 0s; }
.wave-bar:nth-child(2) { animation-delay: 0.1s; }
.wave-bar:nth-child(3) { animation-delay: 0.2s; }
.wave-bar:nth-child(4) { animation-delay: 0.3s; }
.wave-bar:nth-child(5) { animation-delay: 0.4s; }

@keyframes waveAnimate {
  0%, 100% { height: 4px; }
  50% { height: 16px; }
}

/* ================================================
   NOTIFICATION BADGE
   ================================================ */
.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--bg-primary);
  background: var(--primary);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: badgePop 0.3s ease-out;
}

@keyframes badgePop {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.notification-badge.critical {
  background: var(--red);
  animation: badgePop 0.3s ease-out, alertPulse 1s ease-in-out infinite;
}

/* ================================================
   HUD FRAME - IMMERSIVE SCREEN OVERLAY
   ================================================ */
.hud-frame {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 100;
}

/* Top HUD Bar */
.hud-bar {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.hud-bar--top {
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  max-width: 600px;
}

.hud-bar-segment {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
  opacity: 0.25;
}

.hud-bar-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0.5;
}

/* Side HUD Decorations - Tick Marks */
.hud-side {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 30px;
  top: 50%;
  transform: translateY(-50%);
}

.hud-side--left {
  left: 8px;
}

.hud-side--right {
  right: 8px;
}

.hud-tick {
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, var(--secondary), transparent);
  opacity: 0.2;
}

.hud-side--right .hud-tick {
  background: linear-gradient(90deg, transparent, var(--secondary));
}

/* Bottom Data Readout */
.hud-data-readout {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  opacity: 0.4;
}

.hud-data-item {
  text-transform: uppercase;
}

.hud-data-divider {
  color: var(--secondary);
  opacity: 0.5;
}

/* ================================================
   CARD HUD DECORATIONS - TARGETING STYLE
   ================================================ */
.hud-card-frame {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

/* Corner tick marks for cards */
.hud-card-frame::before {
  content: '';
  position: absolute;
  top: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  border-top: 1px solid var(--secondary);
  border-right: 1px solid var(--secondary);
  opacity: 0.3;
}

.hud-card-frame::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 4px;
  width: 16px;
  height: 16px;
  border-bottom: 1px solid var(--secondary);
  border-left: 1px solid var(--secondary);
  opacity: 0.3;
}

/* Additional corner decoration spans */
.hud-card-corner-tr,
.hud-card-corner-bl {
  position: absolute;
  width: 16px;
  height: 16px;
  opacity: 0.3;
}

.hud-card-corner-tr {
  top: 4px;
  left: 4px;
  border-top: 1px solid var(--secondary);
  border-left: 1px solid var(--secondary);
}

.hud-card-corner-bl {
  bottom: 4px;
  right: 4px;
  border-bottom: 1px solid var(--secondary);
  border-right: 1px solid var(--secondary);
}

/* ================================================
   SCAN LINE DECORATION
   ================================================ */
.hud-scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%,
    var(--secondary) 20%,
    var(--secondary) 80%,
    transparent 100%
  );
  opacity: 0;
  animation: scanLineMove 8s linear infinite;
}

@keyframes scanLineMove {
  0% {
    top: 0;
    opacity: 0;
  }
  5% {
    opacity: 0.15;
  }
  95% {
    opacity: 0.15;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

/* ================================================
   PANEL STATUS INDICATOR
   ================================================ */
.panel-status-dot {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  opacity: 0.7;
  animation: statusPulse 2s ease-in-out infinite;
}

.panel-status-dot.warning {
  background: var(--secondary);
}

.panel-status-dot.error {
  background: var(--red);
  animation: statusPulse 0.5s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* ================================================
   CROSSHAIR DECORATION
   ================================================ */
.hud-crosshair {
  position: absolute;
  width: 24px;
  height: 24px;
  opacity: 0.15;
}

.hud-crosshair::before,
.hud-crosshair::after {
  content: '';
  position: absolute;
  background: var(--secondary);
}

.hud-crosshair::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  transform: translateY(-50%);
}

.hud-crosshair::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  transform: translateX(-50%);
}

/* ================================================
   DATA STREAM ANIMATION
   ================================================ */
.data-stream::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 12px;
  background: var(--secondary);
  margin-left: var(--space-xs);
  animation: cursorBlink 1s steps(1) infinite;
  vertical-align: middle;
  opacity: 0.7;
}

@keyframes cursorBlink {
  0%, 50% { opacity: 0.7; }
  51%, 100% { opacity: 0; }
}

/* ================================================
   HOLOGRAM EFFECT
   ================================================ */
.hologram {
  position: relative;
}

.hologram::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: var(--primary);
  opacity: 0;
  animation: hologramGhost 4s ease-in-out infinite;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

@keyframes hologramGhost {
  0%, 95%, 100% { opacity: 0; transform: translateX(0); }
  96% { opacity: 0.3; transform: translateX(-2px); }
  97% { opacity: 0; transform: translateX(2px); }
  98% { opacity: 0.2; transform: translateX(-1px); }
}