/* style.css — Castle Siege Tower Defense */

:root {
  --bg: #0f0f1a;
  --bg2: #1a1a2e;
  --surface: #16213e;
  --surface2: #1a2744;
  --text: #e0e0e0;
  --text-dim: #8899aa;
  --accent: #4CAF50;
  --accent2: #2E7D32;
  --danger: #f44336;
  --gold: #FFD700;
  --border: #2a3a5e;
  --shadow: rgba(0,0,0,0.5);
  --font: ui-monospace, 'SF Mono', 'Cascadia Code', Consolas, 'Liberation Mono', monospace;
}

html[data-theme="light"] {
  --bg: #e8e8e8;
  --bg2: #f5f5f5;
  --surface: #ffffff;
  --surface2: #f0f0f0;
  --text: #222222;
  --text-dim: #666666;
  --accent: #388E3C;
  --accent2: #2E7D32;
  --danger: #d32f2f;
  --gold: #F57F17;
  --border: #cccccc;
  --shadow: rgba(0,0,0,0.15);
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  touch-action: manipulation;
}

#game {
  display: block;
  position: absolute;
  top: 0; left: 0;
  image-rendering: pixelated;
}

/* HUD Bar */
#hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  pointer-events: none;
}

.hud-bar {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 8px 16px;
  background: linear-gradient(180deg, rgba(0,0,0,0.85), rgba(0,0,0,0.6));
  border-bottom: 2px solid var(--border);
  flex-wrap: wrap;
}

.hud-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
}

.hud-label {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hud-val {
  color: var(--gold);
  font-weight: bold;
  font-size: 12px;
}

/* Tower Panel */
#tower-panel {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: linear-gradient(0deg, rgba(0,0,0,0.9), rgba(0,0,0,0.5));
  border-top: 2px solid var(--border);
}

.tower-panel {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.tower-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  min-width: 160px;
  user-select: none;
}

.tower-btn:hover:not(.disabled) {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow);
}

.tower-btn.selected {
  border-color: var(--accent);
  background: var(--surface2);
  box-shadow: 0 0 12px rgba(76,175,80,0.4);
}

.tower-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tower-icon {
  width: 32px; height: 32px;
  border-radius: 6px;
  flex-shrink: 0;
}

.tower-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tower-name {
  font-size: 11px;
  color: var(--text);
  font-weight: bold;
}

.tower-cost {
  font-size: 9px;
  color: var(--gold);
}

.tower-stats {
  font-size: 8px;
  color: var(--text-dim);
}

.panel-title {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  width: 100%;
  text-align: center;
  margin-bottom: 4px;
}

.wave-btn {
  padding: 10px 24px;
  background: linear-gradient(180deg, #4CAF50, #2E7D32);
  color: #fff;
  border: 2px solid #1B5E20;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  animation: pulse 2s infinite;
}

.wave-btn:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(76,175,80,0.3); }
  50% { box-shadow: 0 0 20px rgba(76,175,80,0.6); }
}

/* Overlay (Game Over / Victory) */
.overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.8);
  gap: 16px;
  animation: fadeIn 0.5s;
}

.overlay.win { background: rgba(0,40,0,0.85); }
.overlay.lose { background: rgba(40,0,0,0.85); }

.overlay-title {
  font-size: 28px;
  color: #fff;
  text-shadow: 0 0 20px currentColor;
  letter-spacing: 2px;
}

.overlay.win .overlay-title { color: #FFD700; }
.overlay.lose .overlay-title { color: #f44336; }

.overlay-sub {
  font-size: 12px;
  color: var(--text-dim);
}

.overlay-stats {
  font-size: 10px;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.8;
}

.overlay-btn {
  padding: 12px 32px;
  background: linear-gradient(180deg, #4CAF50, #2E7D32);
  color: #fff;
  border: 2px solid #1B5E20;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.overlay-btn:hover {
  transform: scale(1.08);
  filter: brightness(1.2);
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 600px) {
  .hud-bar { gap: 12px; padding: 6px 8px; }
  .hud-item { font-size: 9px; gap: 4px; }
  .hud-label { font-size: 8px; }
  .hud-val { font-size: 10px; }
  .tower-btn { min-width: 130px; padding: 6px 8px; }
  .tower-name { font-size: 10px; }
  .tower-cost { font-size: 8px; }
  .tower-stats { font-size: 7px; }
  .wave-btn { font-size: 9px; padding: 8px 16px; }
  .overlay-title { font-size: 20px; }
  .overlay-sub { font-size: 10px; }
  .overlay-stats { font-size: 8px; }
  .overlay-btn { font-size: 11px; padding: 10px 24px; }
}

@media (max-width: 380px) {
  .hud-bar { gap: 8px; }
  .hud-item { font-size: 8px; }
  .tower-panel { gap: 4px; }
  .tower-btn { min-width: 110px; padding: 4px 6px; }
}