/* Reset y estilos base del juego */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #000000;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace, sans-serif;
  touch-action: none; /* Previene scroll y zoom elástico en móviles */
}

#gameCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  background-color: #000000;
  z-index: 1;
}

/* Capas de UI desacopladas del Canvas para no interferir con el render */
.ui-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none; /* Permite interactuar con el canvas debajo */
  z-index: 10;
}

.game-title {
  font-weight: 900;
  letter-spacing: 2px;
  color: #ffffff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

.fps-counter {
  font-family: monospace;
  color: #00ff88;
  font-weight: bold;
}

/* ============================================================
   Barra de Herramientas / Selección de Zonas (Compartido)
   ============================================================ */
.toolbar-container {
  pointer-events: auto; /* Permite clics y toques */
  display: flex;
  background: rgba(14, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.tool-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: #a0a0b2;
  font-family: inherit;
  outline: none;
  position: relative;
}

.tool-btn .btn-icon {
  border-radius: 4px;
  display: inline-block;
  flex-shrink: 0;
  box-sizing: border-box;
}

/* Efectos Neón y Estados Activos */
.tool-btn[data-tool="pan"].active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.2);
}

.tool-btn[data-tool="residential"] .btn-icon {
  background: rgba(0, 255, 136, 0.25);
  border: 2px solid #00ff88;
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.4);
}
.tool-btn[data-tool="residential"].active {
  color: #00ff88;
  background: rgba(0, 255, 136, 0.15);
  border-color: #00ff88;
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.35);
}

.tool-btn[data-tool="commercial"] .btn-icon {
  background: rgba(0, 229, 255, 0.25);
  border: 2px solid #00e5ff;
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}
.tool-btn[data-tool="commercial"].active {
  color: #00e5ff;
  background: rgba(0, 229, 255, 0.15);
  border-color: #00e5ff;
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
}

.tool-btn[data-tool="industrial"] .btn-icon {
  background: rgba(255, 213, 0, 0.25);
  border: 2px solid #ffd500;
  box-shadow: 0 0 8px rgba(255, 213, 0, 0.4);
}
.tool-btn[data-tool="industrial"].active {
  color: #ffd500;
  background: rgba(255, 213, 0, 0.15);
  border-color: #ffd500;
  box-shadow: 0 0 16px rgba(255, 213, 0, 0.35);
}

.tool-btn[data-tool="road"] .btn-icon {
  background: rgba(255, 255, 255, 0.25);
  border: 2px solid #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}
.tool-btn[data-tool="road"].active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
}

.tool-btn[data-tool="demolish"] .btn-icon {
  background: rgba(255, 51, 85, 0.25);
  border: 2px solid #ff3355;
  box-shadow: 0 0 8px rgba(255, 51, 85, 0.4);
}
.tool-btn[data-tool="demolish"].active {
  color: #ff3355;
  background: rgba(255, 51, 85, 0.15);
  border-color: #ff3355;
  box-shadow: 0 0 16px rgba(255, 51, 85, 0.35);
}

/* ============================================================
   Panel de Control de Tiempo (Compartido)
   ============================================================ */
.time-control-panel {
  pointer-events: auto;
  display: flex;
  align-items: center;
  background: rgba(14, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.speed-btn, .speed-btn-sm {
  background: transparent;
  border: none;
  color: #88889a;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  transition: all 0.15s ease;
  outline: none;
  border-radius: 5px;
}

.speed-btn:hover, .speed-btn-sm:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.speed-btn.active, .speed-btn-sm.active {
  color: #00e5ff;
  background: rgba(0, 229, 255, 0.15);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.date-display, .date-display-sm {
  font-family: monospace;
  font-weight: 600;
  color: #e0e0ee;
  letter-spacing: 0.5px;
}