/* Core Reset & Variables */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

:root {
  --color-green: #39ff14;
  --color-green-dim: #1a660a;
  --color-orange: #ffb000;
  --color-orange-dim: #8c6000;
  --color-red: #ff3b30;
  --color-dark: #070908;
  --color-panel-bg: rgba(7, 9, 8, 0.85);
  
  --font-tech: 'Share Tech Mono', monospace;
  --font-header: 'Orbitron', sans-serif;
}

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

/* Viewport Containers */
#viewport-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* scanlines CRT effect */
.scanlines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.06),
    rgba(0, 255, 0, 0.02),
    rgba(0, 0, 255, 0.06)
  );
  background-size: 100% 4px, 6px 100%;
  z-index: 999;
  pointer-events: none;
  opacity: 0.85;
}

/* UI Overlay Container */
#ui-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none; /* Let canvas capture mouse clicks unless UI items are clicked */
}

#ui-container * {
  pointer-events: auto; /* Re-enable pointer events for UI interaction */
}

/* Top Broadcast Header */
.terminal-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background-color: var(--color-panel-bg);
  border-bottom: 2px double var(--color-green);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  font-family: var(--font-header);
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.pulse-icon {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: var(--color-green);
  border-radius: 50%;
  margin-right: 10px;
  animation: pulse 1.5s infinite;
}

.warning-text {
  font-weight: 700;
  text-shadow: 0 0 5px var(--color-green);
}

.time-counter {
  color: var(--color-orange);
  text-shadow: 0 0 5px var(--color-orange);
}

/* HUD Panel Overlay */
#hud {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 110px;
  background-color: var(--color-panel-bg);
  border-top: 2px double var(--color-green);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  z-index: 11;
  transition: opacity 0.3s ease;
}

.hud-group {
  display: flex;
  flex-direction: column;
}

.hud-group .label {
  font-size: 0.75rem;
  color: var(--color-green-dim);
  margin-bottom: 4px;
}

/* Gauges & Progress Bars */
.gauge-container {
  display: flex;
  align-items: center;
  margin-bottom: 6px;
  font-size: 0.85rem;
}

.gauge-label {
  width: 90px;
  font-weight: bold;
}

.gauge-bar {
  width: 180px;
  height: 14px;
  border: 1px solid var(--color-green);
  background-color: rgba(0, 0, 0, 0.5);
  margin-right: 10px;
  overflow: hidden;
}

.bar {
  height: 100%;
  transition: width 0.15s ease-out;
}

.bar.hp {
  background-color: var(--color-green);
  box-shadow: 0 0 5px var(--color-green);
}

.bar.stamina {
  background-color: var(--color-orange);
  box-shadow: 0 0 5px var(--color-orange);
}

.gauge-value {
  width: 60px;
  text-align: right;
}

/* Safehouse Resources Bar */
.resources-bar {
  display: flex;
  flex-direction: row !important;
  gap: 20px;
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-panel-bg);
  border: 1px solid var(--color-green);
  padding: 5px 15px;
  font-size: 0.75rem;
}

.resource-gauge {
  display: flex;
  align-items: center;
  gap: 5px;
}

.res-lbl {
  width: 35px;
}

.res-bar {
  width: 60px;
  height: 8px;
  border: 1px solid var(--color-green);
  background-color: rgba(0, 0, 0, 0.5);
}

.bar.res {
  background-color: var(--color-green);
}

/* Weapon Stats Panel */
.weapon-details {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.weapon-name {
  font-family: var(--font-header);
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: 1px;
  text-shadow: 0 0 5px var(--color-green);
}

.weapon-ammo {
  font-size: 1.1rem;
  color: var(--color-orange);
  text-shadow: 0 0 5px var(--color-orange);
  margin-top: 2px;
}

/* Overlays / Menus */
.menu-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(7, 9, 8, 0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  transition: opacity 0.5s ease;
}

.menu-box {
  width: 480px;
  border: 2px double var(--color-green);
  background-color: var(--color-panel-bg);
  padding: 30px;
  text-align: center;
  box-shadow: 0 0 15px rgba(57, 255, 20, 0.15);
}

.menu-box.danger {
  border-color: var(--color-red);
  box-shadow: 0 0 15px rgba(255, 59, 48, 0.25);
  color: var(--color-red);
}

.game-title {
  font-family: var(--font-header);
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 5px;
  text-shadow: 0 0 10px var(--color-green);
}

.game-title.warning {
  text-shadow: 0 0 10px var(--color-red);
  color: var(--color-red);
}

.subtitle {
  font-size: 0.8rem;
  color: var(--color-green-dim);
  margin-bottom: 25px;
  letter-spacing: 1px;
}

.menu-box.danger .subtitle {
  color: rgba(255, 59, 48, 0.6);
}

.instructions-panel, .stats-panel {
  border: 1px solid var(--color-green);
  padding: 15px;
  text-align: left;
  margin-bottom: 25px;
  background-color: rgba(0, 0, 0, 0.3);
}

.menu-box.danger .stats-panel {
  border-color: var(--color-red);
  color: var(--color-red);
}

.instructions-panel h3, .stats-panel h3 {
  font-size: 0.9rem;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--color-green);
  padding-bottom: 4px;
}

.instructions-panel ul {
  list-style: none;
}

.instructions-panel li {
  margin-bottom: 8px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
}

.key {
  display: inline-block;
  border: 1px solid var(--color-green);
  padding: 2px 6px;
  margin-right: 5px;
  font-weight: bold;
  background-color: rgba(0, 0, 0, 0.5);
  min-width: 24px;
  text-align: center;
}

/* Buttons */
.terminal-btn {
  width: 100%;
  background-color: transparent;
  border: 1px solid var(--color-green);
  color: var(--color-green);
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 12px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s ease;
}

.terminal-btn:hover {
  background-color: var(--color-green);
  color: var(--color-dark);
  box-shadow: 0 0 10px var(--color-green);
}

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

.terminal-btn.danger:hover {
  background-color: var(--color-red);
  color: var(--color-dark);
  box-shadow: 0 0 10px var(--color-red);
}

/* Visibility states */
.hidden {
  display: none !important;
  opacity: 0;
  pointer-events: none;
}

/* Animations */
@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}