* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #ffffff;
}

#game-app {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 16px;
}

#game-ui {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.ui-left {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stat {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 10px 14px;
  min-width: 140px;
  font-size: 18px;
}

.ui-right {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.ui-right button {
  border: none;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  color: #ffffff;
}

#add-ai-tasks {
  background: #16a34a;
}

#add-ai-sales {
  background: #2563eb;
}

#game-stage {
  position: relative;
  width: 100%;
  height: 720px;
  overflow: hidden;
  border-radius: 20px;
  background: linear-gradient(180deg, #0b1220 0%, #111827 100%);
  border: 1px solid rgba(255,255,255,0.08);
}

#office-bg,
#task-lane,
#actors-layer,
#tasks-layer {
  position: absolute;
  inset: 0;
}

#office-bg {
  background-image:
    linear-gradient(180deg, rgba(8,15,35,0.20) 0%, rgba(8,15,35,0.28) 100%),
    url('../images/office_bg_base.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

#task-lane::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 80px;
  transform: translateX(-50%);
  width: 70%;
  height: 560px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  clip-path: polygon(42% 0%, 58% 0%, 100% 100%, 0% 100%);
  opacity: 0.8;
}

#actors-layer,
#tasks-layer {
  pointer-events: none;
}