/* Cyberpunk Stylesheet for Kowloon Walled City Demo */

:root {
  --neon-cyan: #00f0ff;
  --neon-pink: #ff0055;
  --neon-yellow: #ffdd00;
  --neon-blue: #002b80;
  --bg-dark: #020208;
  --panel-bg: rgba(6, 6, 20, 0.75);
  --border-color: rgba(0, 240, 255, 0.3);
  --font-hud: 'Orbitron', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

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

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  font-family: var(--font-hud);
  color: #ffffff;
}

/* Fullscreen canvas */
#game-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: block;
}

/* Cyberpunk Scanlines overlay */
.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, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 4px, 6px 100%;
  z-index: 10;
  pointer-events: none;
}

/* HUD Container on top of Canvas */
#hud-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  pointer-events: none; /* Let clicks pass through to canvas if necessary */
  padding: 20px;
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  grid-template-rows: auto 1fr auto;
  grid-gap: 20px;
}

/* Base Panel Glassmorphism */
.hud-panel {
  pointer-events: auto; /* Enable pointer events for buttons/menus */
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15), inset 0 0 15px rgba(0, 240, 255, 0.05);
  padding: 15px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

/* Cybernetic corners for panels */
.hud-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--neon-cyan);
  border-left: 2px solid var(--neon-cyan);
}

.hud-panel::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 8px;
  height: 8px;
  border-bottom: 2px solid var(--neon-pink);
  border-right: 2px solid var(--neon-pink);
}

/* Header Panel (Top middle-left span) */
.header-panel {
  grid-column: 1 / span 2;
  align-self: start;
  max-width: 600px;
  border-left: 3px solid var(--neon-cyan);
}

.glitch-title {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: #fff;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
  position: relative;
}

.hud-subtitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--neon-pink);
  letter-spacing: 1px;
  margin-top: 4px;
}

.system-status {
  position: absolute;
  right: 15px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.status-active {
  color: var(--neon-cyan);
  text-shadow: 0 0 5px var(--neon-cyan);
  animation: pulse-glow 1.5s infinite alternate;
}

/* Left controls panel */
.controls-panel {
  grid-column: 1;
  grid-row: 2;
  align-self: start;
}

.panel-header {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 12px;
  color: var(--neon-cyan);
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  padding-bottom: 6px;
}

.control-row {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.key {
  display: inline-block;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 3px 8px;
  border-radius: 3px;
  margin-right: 5px;
  box-shadow: 0 0 5px rgba(0, 240, 255, 0.2);
  text-align: center;
  min-width: 25px;
}

.key-wide {
  min-width: 80px;
}

.desc {
  color: #ccc;
  margin-left: 8px;
  font-size: 0.8rem;
}

/* Right stats panel */
.stats-panel {
  grid-column: 3;
  grid-row: 2;
  align-self: start;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.stat-label {
  color: #888;
}

.stat-val {
  color: var(--neon-yellow);
  text-shadow: 0 0 3px rgba(255, 221, 0, 0.4);
}

/* Audio Panel (Bottom center) */
.audio-panel {
  grid-column: 2;
  grid-row: 3;
  justify-self: center;
  align-self: end;
  width: 380px;
  text-align: center;
  padding: 12px 20px;
  border: 1px dashed var(--neon-pink);
}

.neon-btn {
  background: transparent;
  border: 1px solid var(--neon-pink);
  color: #fff;
  font-family: var(--font-hud);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 8px 18px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(255, 0, 85, 0.2);
  transition: all 0.2s ease;
}

.neon-btn:hover {
  background: var(--neon-pink);
  color: #000;
  box-shadow: 0 0 20px rgba(255, 0, 85, 0.6);
  text-shadow: none;
}

.neon-btn:active {
  transform: scale(0.97);
}

.audio-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* Interactive contextual prompt */
.hud-prompt {
  grid-column: 2;
  grid-row: 2;
  justify-self: center;
  align-self: center;
  background: rgba(255, 221, 0, 0.15);
  border: 1px solid var(--neon-yellow);
  color: var(--neon-yellow);
  padding: 10px 20px;
  font-size: 0.95rem;
  letter-spacing: 1.5px;
  box-shadow: 0 0 15px rgba(255, 221, 0, 0.3);
  animation: blink 1s infinite alternate;
  pointer-events: auto;
}

.hidden {
  display: none !important;
}

/* Utility Animations */
@keyframes pulse-glow {
  from {
    opacity: 0.6;
    text-shadow: 0 0 2px var(--neon-cyan);
  }
  to {
    opacity: 1;
    text-shadow: 0 0 8px var(--neon-cyan);
  }
}

@keyframes blink {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}

/* Responsive constraints */
@media(max-width: 1000px) {
  #hud-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    overflow-y: auto;
    pointer-events: auto;
  }
  .controls-panel, .stats-panel, .audio-panel {
    grid-column: 1;
    justify-self: stretch;
    width: 100%;
  }
  .controls-panel { grid-row: 2; }
  .stats-panel { grid-row: 3; }
  .audio-panel { grid-row: 4; }
}