/* ThermoNuclear War - Retro CRT Style */

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

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --green: #00ff00;
  --aqua: #00ffff;
  --red: #ff3333;
  --yellow: #ffff00;
  --white: #ffffff;
  --bg-dark: #000000;
  --bg-light: #1a1a0e;
  --dim-green: #005500;
  --dim-aqua: #004444;
  --dim-red: #440000;
  --panel-bg: rgba(0, 20, 0, 0.85);
  --border-color: #004400;
  --font-mono: 'Share Tech Mono', 'Courier New', monospace;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-mono);
  background: var(--bg-dark);
  color: var(--green);
  cursor: crosshair;
}

/* Persistent map container */
#map-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: none;
}

#map-wrapper.active {
  display: block;
}

body.light-mode {
  --bg-dark: #d4c896;
  --bg-light: #e8dcc0;
  --panel-bg: rgba(180, 170, 130, 0.85);
  --border-color: #665500;
  --dim-green: #335500;
  color: #223300;
}

/* CRT scanline effect — applied to body for gameplay, and to menu screens via their own ::after */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 255, 0, 0.04) 0px,
    rgba(0, 255, 0, 0.04) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 9999;
}

/* Green scanlines on load screen and main menu */
#load-screen::after,
#main-menu::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 255, 0, 0.06) 0px,
    rgba(0, 255, 0, 0.06) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 1;
}

/* Screen containers */
.screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.screen.active {
  display: flex;
}

/* Load Screen */
#load-screen {
  background: var(--bg-dark);
}

.load-status {
  text-align: center;
  margin-top: 30px;
}

#load-text {
  font-size: 1.2rem;
  color: var(--green);
  animation: blink 1s infinite;
  letter-spacing: 2px;
}

.load-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--dim-green);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

/* Main Menu */
#main-menu {
  background: var(--bg-dark);
}

.menu-container {
  text-align: center;
  padding: 40px;
}

.game-title {
  font-size: 2.5rem;
  color: var(--aqua);
  text-shadow: 0 0 20px var(--aqua), 0 0 40px var(--dim-aqua);
  margin-bottom: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.game-subtitle {
  font-size: 1.62rem;
  color: var(--dim-green);
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
}

/* Buttons */
.btn {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  padding: 12px 40px;
  border: 1px solid var(--green);
  background: transparent;
  color: var(--green);
  cursor: pointer;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all 0.2s;
  min-width: 250px;
  position: relative;
}

.btn:hover {
  background: rgba(0, 255, 0, 0.1);
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.2);
  text-shadow: 0 0 10px var(--green);
}

.btn:active {
  background: rgba(0, 255, 0, 0.2);
  transform: scale(0.98);
}

.btn-red {
  border-color: var(--red);
  color: var(--red);
}

.btn-red:hover {
  background: rgba(255, 50, 50, 0.1);
  box-shadow: 0 0 15px rgba(255, 50, 50, 0.2);
  text-shadow: 0 0 10px var(--red);
}

.btn-aqua {
  border-color: var(--aqua);
  color: var(--aqua);
}

.btn-aqua:hover {
  background: rgba(0, 255, 255, 0.1);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
  text-shadow: 0 0 10px var(--aqua);
}

.btn-yellow {
  border-color: var(--yellow);
  color: var(--yellow);
}

.btn-small {
  padding: 6px 16px;
  font-size: 0.8rem;
  min-width: auto;
}

/* Footer disclaimer */
.disclaimer {
  position: fixed;
  bottom: 10px;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 0.7rem;
  color: var(--dim-green);
  letter-spacing: 1px;
  z-index: 100;
}

/* Settings Screen */
#settings-screen {
  background: var(--bg-dark);
}

.settings-container {
  padding: 40px;
  border: 1px solid var(--border-color);
  background: var(--panel-bg);
  max-width: 500px;
  width: 90%;
}

.settings-title {
  font-size: 1.5rem;
  color: var(--aqua);
  text-align: center;
  margin-bottom: 30px;
  letter-spacing: 3px;
}

.setting-group {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.setting-group a {
    color: var(--green);
}
.setting-label {
  color: var(--green);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.setting-group select,
.setting-group input[type="number"] {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 6px 12px;
  background: var(--bg-dark);
  color: var(--aqua);
  border: 1px solid var(--dim-aqua);
  cursor: pointer;
}

.setting-group select:focus,
.setting-group input:focus {
  outline: none;
  border-color: var(--aqua);
  box-shadow: 0 0 5px var(--dim-aqua);
}

.toggle-switch {
  position: relative;
  width: 50px;
  height: 24px;
  background: var(--dim-green);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.3s;
}

.toggle-switch.active {
  background: var(--green);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--white);
  border-radius: 50%;
  transition: left 0.3s;
}

.toggle-switch.active::after {
  left: 28px;
}

.checkbox-mono {
  width: 20px;
  height: 20px;
  accent-color: var(--green);
  cursor: pointer;
}

.settings-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Country Select Screen */
#country-select-screen {
  background: var(--bg-dark);
}

.country-select-container {
  padding: 40px;
  border: 1px solid var(--border-color);
  background: var(--panel-bg);
  max-width: 600px;
  width: 90%;
}

.country-select-title {
  font-size: 1.3rem;
  color: var(--aqua);
  text-align: center;
  margin-bottom: 30px;
  letter-spacing: 2px;
}

.country-group {
  margin-bottom: 25px;
}

.country-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--aqua);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.enemy-group label {
  color: var(--red);
}

.country-group select {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 10px;
  background: var(--bg-dark);
  color: var(--green);
  border: 1px solid var(--dim-aqua);
  cursor: pointer;
}

.enemy-group select {
  border-color: var(--dim-red);
  color: var(--red);
}

.country-group select:focus {
  outline: none;
  border-color: var(--aqua);
}

.country-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* Launch Site Overlay (transparent, on top of map) */
#launch-site-overlay {
  background: transparent;
  pointer-events: none;
}

#launch-site-overlay .launch-site-header {
  pointer-events: auto;
}

/* Game HUD Overlay (transparent, on top of map) */
#game-hud {
  background: transparent;
  pointer-events: none;
}

#game-hud .hud-top,
#game-hud .weapon-bar,
#game-hud .side-controls {
  pointer-events: auto;
}

.launch-site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px 20px;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  z-index: 20;
  text-align: center;
}

#launch-site-info {
  color: var(--yellow);
  font-size: 1rem;
  letter-spacing: 1px;
}

/* HUD */
.hud-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 8px 15px;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  z-index: 20;
  font-size: 1.12rem;
}

.hud-section {
  display: flex;
  gap: 20px;
  align-items: center;
}

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

.hud-label {
  color: var(--dim-green);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hud-value {
  color: var(--green);
  font-size: 1.19rem;
}

.hud-value.timer {
  color: var(--yellow);
}

.hud-value.score {
  color: var(--aqua);
  font-size: 1.4rem;
}

/* Weapon Bar */
.weapon-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 10px 15px;
  background: var(--panel-bg);
  border-top: 1px solid var(--border-color);
  z-index: 20;
  align-items: center;
}

.weapon-btn {
  font-family: var(--font-mono);
  padding: 8px 20px;
  border: 1px solid var(--dim-green);
  background: transparent;
  color: var(--green);
  font-size: 0.8rem;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s;
  position: relative;
}

.weapon-btn:hover {
  background: rgba(0, 255, 0, 0.1);
}

.weapon-btn.weapon-active {
  border-color: var(--green);
  background: rgba(0, 255, 0, 0.15);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.2);
}

.weapon-key {
  position: absolute;
  top: -8px;
  right: -5px;
  font-size: 0.6rem;
  background: var(--dim-green);
  padding: 1px 4px;
  color: var(--green);
}

.weapon-btn-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.cooldown-bar {
  width: 100%;
  height: 4px;
  background: var(--dim-green);
  border-radius: 2px;
  overflow: hidden;
}

.cooldown-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.1s linear;
}

.weapon-bar-info {
  color: var(--dim-green);
  font-size: 0.75rem;
  margin-left: 15px;
}

.weapon-bar-info span {
  color: var(--yellow);
}

/* Side Controls */
.side-controls {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 20;
}

/* Game Alert */
#game-alert {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--yellow);
  font-size: 0.9rem;
  background: var(--panel-bg);
  padding: 8px 20px;
  border: 1px solid var(--yellow);
  z-index: 25;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

#game-alert.active {
  opacity: 1;
}

/* Drone Message */
#drone-message {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--aqua);
  font-size: 0.9rem;
  background: var(--panel-bg);
  padding: 8px 20px;
  border: 1px solid var(--aqua);
  z-index: 25;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

#drone-message.active {
  opacity: 1;
}

/* Overlays */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 30;
}

.overlay.active {
  display: flex;
}

.overlay-title {
  font-size: 1.5rem;
  color: var(--aqua);
  margin-bottom: 15px;
  letter-spacing: 3px;
}

.overlay-text {
  font-size: 1rem;
  color: var(--green);
  margin-bottom: 25px;
  text-align: center;
  max-width: 500px;
  line-height: 1.6;
}

/* Pause Overlay */
#pause-overlay .overlay-title {
  color: var(--yellow);
}

/* Round End Screen */
#round-end-screen {
  background: rgba(0, 0, 0, 0.9);
}

.round-end-container {
  text-align: center;
  padding: 40px;
  border: 1px solid var(--border-color);
  background: var(--panel-bg);
  max-width: 500px;
  width: 90%;
}

.round-end-title {
  font-size: 1.3rem;
  color: var(--aqua);
  margin-bottom: 15px;
  letter-spacing: 2px;
}

.round-end-winner {
  font-size: 1.1rem;
  color: var(--green);
  margin-bottom: 10px;
}

.round-end-score {
  font-size: 1rem;
  color: var(--yellow);
  margin-bottom: 20px;
}

.round-end-stats {
  font-size: 0.8rem;
  color: var(--dim-green);
  white-space: pre-line;
  margin-bottom: 25px;
}

/* Game End Screen */
#game-end-screen {
  background: rgba(0, 0, 0, 0.95);
  position: relative;
  overflow: hidden;
}

#end-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.game-end-container {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px;
  max-width: 500px;
  width: 90%;
}

.game-end-title {
  font-size: 2rem;
  color: var(--red);
  text-shadow: 0 0 20px var(--red);
  margin-bottom: 15px;
  letter-spacing: 5px;
}

.game-end-winner {
  font-size: 1.2rem;
  color: var(--yellow);
  margin-bottom: 10px;
}

.game-end-score {
  font-size: 1rem;
  color: var(--green);
  margin-bottom: 20px;
}

.game-end-stats {
  font-size: 0.8rem;
  color: var(--dim-green);
  white-space: pre-line;
  margin-bottom: 25px;
}

.game-end-disclaimer {
  font-size: 0.7rem;
  color: var(--red);
  margin-top: 20px;
  letter-spacing: 1px;
}

.game-end-credits {
  font-size: 0.65rem;
  color: var(--red);
  margin-top: 10px;
  letter-spacing: 1px;
}

.end-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  margin-top: 20px;
}

/* Share Buttons */
#share-buttons,
#share-buttons-end {
  display: none;
  gap: 10px;
  margin-top: 10px;
  justify-content: center;
}

#share-buttons.active,
#share-buttons-end.active {
  display: flex;
}

.share-btn {
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  border: 1px solid var(--dim-green);
  background: transparent;
  color: var(--green);
  cursor: pointer;
}

.share-btn:hover {
  background: rgba(0, 255, 0, 0.1);
}

/* Animations */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes glow {
  0%, 100% { text-shadow: 0 0 10px currentColor; }
  50% { text-shadow: 0 0 20px currentColor, 0 0 30px currentColor; }
}

/* Responsive */
@media (max-width: 768px) {
  .game-title {
    font-size: 1.5rem;
  }

  .btn {
    padding: 10px 25px;
    font-size: 0.85rem;
    min-width: 200px;
  }

  .hud-top {
    font-size: 0.7rem;
    padding: 5px 10px;
  }

  .weapon-btn {
    padding: 6px 12px;
    font-size: 0.7rem;
  }

  .settings-container,
  .country-select-container,
  .round-end-container,
  .game-end-container {
    width: 95%;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .game-title {
    font-size: 1.2rem;
  }

  .hud-section {
    gap: 10px;
  }
}