/* style.css — Convoy Defense */
:root {
  --bg: #0b110b;
  --panel: rgba(14, 22, 16, 0.92);
  --panel2: rgba(20, 30, 22, 0.95);
  --border: rgba(120, 170, 90, 0.25);
  --border-bright: rgba(143, 198, 61, 0.5);
  --accent: #8fc63d;
  --accent2: #ffaa33;
  --danger: #ff4444;
  --text: #d4e0c8;
  --textdim: #7a8a6a;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #1a1f16;
    --panel: rgba(30, 40, 28, 0.92);
    --panel2: rgba(40, 50, 36, 0.95);
    --border: rgba(100, 150, 70, 0.35);
    --text: #e8f0dc;
    --textdim: #8a9a7a;
    color-scheme: light;
  }
}

html[data-theme="dark"] {
  --bg: #0b110b;
  --panel: rgba(14, 22, 16, 0.92);
  --panel2: rgba(20, 30, 22, 0.95);
  --border: rgba(120, 170, 90, 0.25);
  --text: #d4e0c8;
  --textdim: #7a8a6a;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #1a1f16;
  --panel: rgba(30, 40, 28, 0.92);
  --panel2: rgba(40, 50, 36, 0.95);
  --border: rgba(100, 150, 70, 0.35);
  --text: #e8f0dc;
  --textdim: #8a9a7a;
  color-scheme: light;
}

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

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--bg);
  font-family: var(--font);
  color: var(--text);
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

#canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

#hud button { pointer-events: auto; }

#topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: linear-gradient(180deg, var(--panel) 0%, transparent 100%);
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 64px;
}

.stat .label {
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--textdim);
  font-weight: 600;
  text-transform: uppercase;
}

.stat .value {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

#speedBtn {
  margin-left: auto;
  padding: 8px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent2);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

#speedBtn:hover { border-color: var(--border-bright); background: var(--panel2); }

/* Wave progress in top bar */
#waveProgressTop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 4px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 140px;
}

#waveProgText {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent2);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.progBar {
  width: 120px;
  height: 5px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
}

.progFill, .progFill2 {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 3px;
  transition: width 0.3s;
}

#towerbar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: linear-gradient(0deg, var(--panel) 0%, transparent 100%);
  flex-wrap: wrap;
}

.tower-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 16px;
  background: var(--panel2);
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s;
  min-width: 80px;
  font-family: var(--font);
}

.tower-btn:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.tower-btn.selected { border-color: var(--accent); box-shadow: 0 0 12px rgba(143,198,61,0.3); }
.tower-btn.disabled { opacity: 0.4; }

.tower-btn .ticon { font-size: 10px; line-height: 1; }
.tower-btn .tname { font-size: 12px; font-weight: 700; letter-spacing: 0.05em; color: var(--text); }
.tower-btn .tcost { font-family: var(--mono); font-size: 13px; color: var(--accent2); font-weight: 700; }

#centerCtrl {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  pointer-events: none;
}

#startWaveBtn {
  pointer-events: auto;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--accent) 0%, #6ba030 100%);
  border: none;
  border-radius: 12px;
  color: #0b110b;
  font-family: var(--font);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(143,198,61,0.4);
  transition: all 0.2s;
  text-transform: uppercase;
}

#startWaveBtn:hover { transform: scale(1.05); box-shadow: 0 6px 28px rgba(143,198,61,0.5); }
#startWaveBtn:active { transform: scale(0.98); }

#waveProgress {
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--panel);
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

#waveProgText2 {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent2);
  letter-spacing: 0.05em;
}

.progFill2 {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 3px;
  transition: width 0.3s;
}

#turretOverlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 20;
}

#crosshair {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.9;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

#turretHint {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent2);
  letter-spacing: 0.15em;
  background: var(--panel);
  padding: 6px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

#turretFireBtn, #turretExitBtn {
  position: absolute;
  bottom: 80px;
  pointer-events: auto;
  padding: 16px 28px;
  border: 2px solid var(--border-bright);
  border-radius: 50px;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.1s;
  touch-action: none;
}

#turretFireBtn {
  right: 30px;
  background: linear-gradient(135deg, var(--danger), #cc2222);
  color: white;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

#turretFireBtn:active { transform: scale(0.92); }

#turretExitBtn {
  left: 30px;
  background: var(--panel2);
  color: var(--text);
  font-size: 13px;
}

#turretExitBtn:hover { border-color: var(--accent); }

#towerMenu {
  position: absolute;
  background: var(--panel2);
  border: 1px solid var(--border-bright);
  border-radius: 12px;
  padding: 12px 14px;
  min-width: 200px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  z-index: 15;
  pointer-events: auto;
}

#tmName {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

#tmStats {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--textdim);
  line-height: 1.5;
  margin-bottom: 10px;
}

.tmButtons {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tmButtons button {
  padding: 8px 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.tmButtons button:hover { border-color: var(--border-bright); background: var(--panel2); }
.tmButtons button:disabled { opacity: 0.4; cursor: default; }

#controlBtn { background: linear-gradient(135deg, var(--accent2), #cc7722); color: #0b110b; border-color: transparent; }
#controlBtn:hover { filter: brightness(1.1); }
#sellBtn { color: var(--danger); }

#gameOver {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: rgba(5, 8, 5, 0.85);
  backdrop-filter: blur(8px);
  z-index: 30;
  pointer-events: auto;
}

#gameOver h2 {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--danger);
  text-transform: uppercase;
  text-shadow: 0 0 30px rgba(255,68,68,0.4);
}

#goStats {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text);
  text-align: center;
  line-height: 1.8;
}

#restartBtn {
  padding: 14px 40px;
  background: linear-gradient(135deg, var(--accent), #6ba030);
  border: none;
  border-radius: 12px;
  color: #0b110b;
  font-family: var(--font);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(143,198,61,0.4);
  transition: all 0.2s;
  text-transform: uppercase;
}

#restartBtn:hover { transform: scale(1.05); }

#toast {
  position: absolute;
  top: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--panel2);
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  opacity: 0;
  transition: all 0.3s;
  pointer-events: none;
  z-index: 25;
  white-space: nowrap;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Map selection */
#mapSelect {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: rgba(5, 8, 5, 0.92);
  backdrop-filter: blur(10px);
  z-index: 40;
  pointer-events: auto;
}

#mapSelect h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}

#mapGrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 600px;
  width: 90%;
}

.map-card {
  background: var(--panel2);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.map-card:hover { border-color: var(--border-bright); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
.map-card.selected { border-color: var(--accent); box-shadow: 0 0 16px rgba(143,198,61,0.3); }
.map-card h3 { font-size: 18px; font-weight: 700; color: var(--accent); margin-bottom: 6px; letter-spacing: 0.05em; }
.map-card p { font-size: 13px; color: var(--textdim); line-height: 1.4; }

/* Camera hint */
#camHint {
  position: absolute;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--textdim);
  letter-spacing: 0.1em;
  background: var(--panel);
  padding: 5px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  pointer-events: none;
  opacity: 0.7;
  transition: opacity 2s;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .stat { padding: 3px 8px; min-width: 50px; }
  .stat .label { font-size: 8px; }
  .stat .value { font-size: 14px; }
  .tower-btn { padding: 6px 10px; min-width: 64px; }
  .tower-btn .tname { font-size: 10px; }
  .tower-btn .tcost { font-size: 11px; }
  #startWaveBtn { font-size: 14px; padding: 12px 24px; }
  #turretFireBtn { width: 72px; height: 72px; font-size: 12px; bottom: 70px; right: 16px; }
  #turretExitBtn { bottom: 70px; left: 16px; font-size: 11px; padding: 12px 18px; }
  #gameOver h2 { font-size: 28px; }
  #towerMenu { min-width: 170px; }
  #mapGrid { grid-template-columns: 1fr; }
  #mapSelect h2 { font-size: 24px; }
  .progBar { width: 80px; }
  #waveProgressTop { min-width: 100px; }
  #waveProgText { font-size: 9px; }
}