/* flyby.css - 8-Bit Retro Biplane Fly By Styles */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Share+Tech+Mono&display=swap');

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  background-color: #0f1118;
  color: #f4eedb;
  font-family: 'Press Start 2P', monospace, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

#game-wrapper {
  position: relative;
  width: 960px;
  height: 540px;
  max-width: 100vw;
  max-height: 100vh;
  aspect-ratio: 16 / 9;
  background: #000;
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.9), 0 0 10px rgba(78, 148, 255, 0.2);
  border: 4px solid #3a4454;
  border-radius: 6px;
  overflow: hidden;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background-color: #6bb0ff;
}

/* Arcade Top HUD */
#hud {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 48px;
  background: linear-gradient(180deg, rgba(16, 20, 28, 0.92) 0%, rgba(16, 20, 28, 0.6) 80%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  z-index: 10;
  font-size: 10px;
  letter-spacing: 1px;
}

.hud-box {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hud-label {
  color: #8c9bb0;
  font-size: 8px;
}

.hud-value {
  color: #ffdf40;
  text-shadow: 1px 1px 0 #000;
}

.combo-box {
  background: rgba(255, 170, 0, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(255, 170, 0, 0.4);
}

.combo-val {
  color: #ff9900;
  font-weight: bold;
  transition: transform 0.1s ease;
}

.combo-val.active {
  color: #ff3366;
  text-shadow: 0 0 8px #ff3366, 1px 1px 0 #000;
  animation: pulse-combo 0.4s infinite alternate;
}

@keyframes pulse-combo {
  from { transform: scale(1); }
  to { transform: scale(1.2); }
}

.lives-container {
  display: flex;
  gap: 6px;
}

.plane-icon {
  color: #55ff77;
  font-size: 12px;
  filter: drop-shadow(1px 1px 0 #000);
}

.fuel-bar-wrapper {
  width: 90px;
  height: 10px;
  background: #252b36;
  border: 1px solid #6b7a94;
  border-radius: 2px;
  overflow: hidden;
}

.fuel-bar-fill {
  width: 100%;
  height: 100%;
  background: #38ef7d;
  transition: width 0.15s ease;
}

.fuel-bar-fill.low {
  background: #ff4757;
  animation: pulse-fuel 0.5s infinite alternate;
}

@keyframes pulse-fuel {
  from { opacity: 1; }
  to { opacity: 0.4; }
}

/* Alert Notification Center (Top/Center Overlay) */
#alert-container {
  position: absolute;
  top: 52px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  z-index: 18;
  pointer-events: none;
  max-width: 90%;
}

/* Stall Warning Banner */
#stall-warning {
  color: #ff2222;
  font-size: 11px;
  font-weight: bold;
  background: rgba(26, 4, 4, 0.94);
  padding: 4px 14px;
  border: 2px solid #ff2222;
  border-radius: 4px;
  text-shadow: 0 0 8px rgba(255, 34, 34, 0.9);
  box-shadow: 0 0 12px rgba(255, 34, 34, 0.5), 0 4px 12px rgba(0, 0, 0, 0.8);
  animation: blink-stall 0.25s infinite alternate;
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 1px;
}

@keyframes blink-stall {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0.2; transform: scale(0.97); }
}

/* Status / Message Banner */
#status-banner {
  color: #40e0d0;
  font-size: 9px;
  background: rgba(10, 18, 28, 0.92);
  padding: 5px 14px;
  border: 1px solid #40e0d0;
  border-radius: 4px;
  text-shadow: 0 0 5px #40e0d0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.7);
  white-space: nowrap;
  letter-spacing: 0.5px;
  animation: banner-pop 0.15s ease-out;
}

@keyframes banner-pop {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

#status-banner.status-banner-info {
  color: #40e0d0;
  border-color: #40e0d0;
  background: rgba(10, 18, 28, 0.92);
  text-shadow: 0 0 6px #40e0d0;
  box-shadow: 0 0 10px rgba(64, 224, 208, 0.3), 0 4px 14px rgba(0, 0, 0, 0.8);
}

#status-banner.status-banner-bonus {
  color: #ffdf40;
  border-color: #ffd700;
  background: rgba(30, 22, 6, 0.95);
  text-shadow: 0 0 8px #ffcc00, 1px 1px 0 #000;
  box-shadow: 0 0 14px rgba(255, 215, 0, 0.5), 0 4px 14px rgba(0, 0, 0, 0.8);
  animation: pulse-bonus-banner 0.4s infinite alternate;
}

@keyframes pulse-bonus-banner {
  from { border-color: #ffd700; box-shadow: 0 0 10px rgba(255, 215, 0, 0.4); }
  to { border-color: #ffffff; box-shadow: 0 0 18px rgba(255, 215, 0, 0.8); }
}

#status-banner.status-banner-combo {
  color: #ff5588;
  border-color: #ff3366;
  background: rgba(30, 10, 20, 0.95);
  text-shadow: 0 0 8px #ff3366;
  box-shadow: 0 0 12px rgba(255, 51, 102, 0.4), 0 4px 14px rgba(0, 0, 0, 0.8);
}

#status-banner.status-banner-warning {
  color: #ffaa00;
  border-color: #ff9900;
  background: rgba(30, 18, 6, 0.95);
  text-shadow: 0 0 8px #ff9900;
  box-shadow: 0 0 10px rgba(255, 153, 0, 0.3), 0 4px 14px rgba(0, 0, 0, 0.8);
}

#status-banner.status-banner-danger {
  color: #ff4757;
  border-color: #ff2222;
  background: rgba(30, 6, 6, 0.95);
  text-shadow: 0 0 8px #ff2222;
  box-shadow: 0 0 12px rgba(255, 34, 34, 0.4), 0 4px 14px rgba(0, 0, 0, 0.8);
}

#status-banner.status-banner-success {
  color: #55ff77;
  border-color: #38ef7d;
  background: rgba(6, 28, 14, 0.95);
  text-shadow: 0 0 8px #38ef7d;
  box-shadow: 0 0 10px rgba(56, 239, 125, 0.3), 0 4px 14px rgba(0, 0, 0, 0.8);
}

/* Cockpit Instrument Dashboard Overlay (Left Side Bar) */
#instrument-panel {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(10, 15, 24, 0.92);
  padding: 8px 5px;
  border-radius: 0 8px 8px 0;
  border: 1.5px solid #2f3f56;
  border-left: none;
  box-shadow: 3px 0 14px rgba(0, 0, 0, 0.8), inset -1px 0 3px rgba(255, 255, 255, 0.06);
  z-index: 10;
  pointer-events: none;
  width: 44px;
  box-sizing: border-box;
}

.gauge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.gauge-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 6.5px;
  color: #3aafa9;
  letter-spacing: 0.5px;
  text-shadow: 0 0 4px rgba(58, 175, 169, 0.6);
  text-align: center;
}

.gauge-bar-track {
  position: relative;
  width: 20px;
  height: 52px;
  background: #080d14;
  border: 1.5px solid #2d3b4e;
  border-radius: 2px;
  box-shadow: inset 0 0 6px #000;
  overflow: hidden;
}

.gauge-bar-ticks {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.12) 0,
    rgba(255, 255, 255, 0.12) 1px,
    transparent 1px,
    transparent 8px
  );
  pointer-events: none;
  z-index: 4;
}

.gauge-bar-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0%;
  border-radius: 1px;
  transition: height 0.06s ease-out;
  z-index: 2;
}

/* Speed Bar Styling */
#bar-spd {
  background: linear-gradient(to top, #0288d1, #26c6da);
  box-shadow: 0 0 6px rgba(38, 198, 218, 0.6);
}

/* Altitude Bar Styling */
#bar-alt {
  background: linear-gradient(to top, #2e7d32, #55ff77);
  box-shadow: 0 0 6px rgba(85, 255, 119, 0.6);
}

/* Throttle Bar Styling */
#bar-thr {
  background: linear-gradient(to top, #d84315, #ffb300);
  box-shadow: 0 0 6px rgba(255, 179, 0, 0.6);
}

/* AOA Specific Track & Center-Origin Fill */
.gauge-aoa-track {
  background: #080d14;
}

.gauge-aoa-center-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.75);
  transform: translateY(-50%);
  z-index: 5;
  box-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
}

.gauge-aoa-fill {
  position: absolute;
  left: 0;
  width: 100%;
  height: 0%;
  border-radius: 1px;
  transition: height 0.05s ease-out, top 0.05s ease-out, bottom 0.05s ease-out, background-color 0.1s ease;
  z-index: 2;
}

.gauge-aoa-fill.stalled {
  animation: stall-aoa-pulse 0.2s infinite alternate;
}

@keyframes stall-aoa-pulse {
  from { opacity: 1; }
  to { opacity: 0.35; }
}

.gauge-val {
  font-family: 'Press Start 2P', monospace;
  font-size: 5.5px;
  color: #ffdf40;
  text-shadow: 0 0 3px rgba(255, 223, 64, 0.4);
  text-align: center;
  letter-spacing: -0.5px;
  margin-top: 1px;
  white-space: nowrap;
}

/* Retro Buttons */
.retro-btn {
  background: #293447;
  color: #f1f4f9;
  border: 2px solid #5d7499;
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 3px;
  box-shadow: 0 3px 0 #131924;
  transition: all 0.1s ease;
}

.retro-btn:hover {
  background: #394a66;
  border-color: #8fa7cf;
  transform: translateY(-1px);
  box-shadow: 0 4px 0 #131924;
}

.retro-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 #131924;
}

.primary-btn {
  background: #237844;
  border-color: #49aa67;
  color: #ffffff;
  box-shadow: 0 3px 0 #0f3d20;
}

.primary-btn:hover {
  background: #2c9655;
  border-color: #6ee693;
}

.icon-btn {
  padding: 4px 8px;
  font-size: 14px;
  line-height: 1;
}

/* Fullscreen Overlay Modals (Title, GameOver, Settings) */
.overlay-screen {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 18, 0.85);
  backdrop-filter: blur(2px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 30;
  transition: opacity 0.25s ease;
}

.screen-card {
  background: #141c28;
  border: 3px solid #4a5c78;
  border-radius: 8px;
  padding: 24px 32px;
  max-width: 580px;
  width: 90%;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), inset 0 0 15px rgba(0, 0, 0, 0.5);
}

.pixel-title {
  font-size: 26px;
  color: #ffdf40;
  text-shadow: 2px 2px 0 #b37400, 4px 4px 0 #000000;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.pixel-subtitle {
  font-size: 11px;
  color: #79a6d2;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.red-glow {
  color: #ff4757;
  text-shadow: 2px 2px 0 #8b0000, 0 0 15px rgba(255, 71, 87, 0.6);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mission-text {
  font-size: 9px;
  color: #55ff77;
  letter-spacing: 1px;
}

.briefing-list {
  text-align: left;
  list-style: none;
  font-size: 8.5px;
  line-height: 2;
  background: #0d141e;
  padding: 16px 20px;
  border: 1px solid #2b394f;
  border-radius: 4px;
}

.briefing-list li {
  margin-bottom: 14px;
}

.briefing-list li:last-child {
  margin-bottom: 0;
}

.key-badge {
  display: inline-block;
  background: #2c3a50;
  border: 1px solid #708cb5;
  color: #ffeb3b;
  padding: 2px 5px;
  border-radius: 2px;
  font-size: 8px;
}

.btn-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 8px;
}

.credits-text {
  font-size: 7.5px;
  color: #8c9bb0;
  margin-top: 16px;
  letter-spacing: 0.5px;
  line-height: 1.5;
}

.credits-text a {
  color: #55ff77;
  text-decoration: none;
  transition: color 0.15s ease;
}

.credits-text a:hover {
  color: #ffdf40;
  text-decoration: underline;
}

.highlight-val {
  color: #ffdf40;
}

/* Settings Modal Specific */
.settings-card {
  max-width: 520px;
}

.settings-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  background: #0d141e;
  padding: 14px 18px;
  border: 1px solid #2b394f;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 8px;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  line-height: 1.4;
}

.setting-item input[type="checkbox"] {
  accent-color: #38ef7d;
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* CRT Scanline Filter */
.crt-filter {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%,
    rgba(0, 0, 0, 0.25) 50%
  ),
  linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 3px, 6px 100%;
  z-index: 25;
}

.hidden {
  display: none !important;
}