body, html { margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden; background-color: #1A1A24; touch-action: none; user-select: none; -webkit-user-select: none; font-family: 'Segoe UI', sans-serif; }
canvas { display: block; }

#loading-screen { position: absolute; width: 100%; height: 100%; background-color: #1A1A24; z-index: 999; display: flex; flex-direction: column; justify-content: center; align-items: center; color: white; transition: opacity 0.5s; }
.loader-logo { font-size: 32px; font-weight: bold; color: #00E5FF; margin-bottom: 20px; text-shadow: 0 0 10px rgba(0,229,255,0.5); }
.loader-bar { width: 200px; height: 10px; background: #2A2A35; border-radius: 5px; overflow: hidden; }
#loader-progress { width: 0%; height: 100%; background: #FF4E72; transition: width 0.2s; }
.loader-text { margin-top: 10px; font-size: 14px; color: #888; }

#ui-layer { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; }

#top-left-hud { position: absolute; top: 20px; left: 20px; display: flex; flex-direction: column; gap: 10px; pointer-events: auto; }
.currency-box { padding: 8px 15px; background-color: rgba(26, 26, 36, 0.9); border-left: 4px solid #00E5FF; color: white; font-size: 18px; font-weight: bold; border-radius: 0 8px 8px 0; }
.currency-box.premium { border-left: 4px solid #FF4E72; }

#ad-boost-btn { position: absolute; top: 40%; left: 15px; background-color: #FF4E72; color: white; border: none; border-radius: 50%; width: 65px; height: 65px; font-size: 24px; font-weight: bold; box-shadow: 0 4px 15px rgba(255,78,114,0.4); pointer-events: auto; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1; }
#ad-boost-btn span { font-size: 10px; margin-top: 2px; }

#fab-upgrade { position: absolute; bottom: 30px; right: 30px; background-color: #00E5FF; color: #1A1A24; border: none; border-radius: 20px; padding: 15px 25px; font-size: 20px; font-weight: bold; box-shadow: 0 4px 15px rgba(0,229,255,0.4); pointer-events: auto; cursor: pointer; }

#upgrade-panel { position: absolute; bottom: 90px; right: 30px; background-color: rgba(26, 26, 36, 0.95); border: 2px solid #00E5FF; border-radius: 15px; padding: 15px; pointer-events: auto; width: 220px; color: white; }
.upgrade-item { display: flex; justify-content: space-between; align-items: center; font-weight: bold; }
.upgrade-item button { background-color: #00E5FF; border: none; padding: 8px; border-radius: 8px; font-weight: bold; color: #1A1A24; }

#truck-indicator { position: absolute; display: none; background-color: #FF4E72; color: white; padding: 5px 10px; border-radius: 10px; font-weight: bold; font-size: 14px; transform: translate(-50%, -50%); }
#worker1-bar-container { position: absolute; display: none; width: 50px; height: 8px; background-color: rgba(26, 26, 36, 0.8); border-radius: 4px; overflow: hidden; transform: translate(-50%, -50%); }
#worker1-bar { width: 0%; height: 100%; background-color: #00E5FF; }