:root{--primary: #ff9f1c;--secondary: #2ec4b6;--bg-grass: #7fb069;--glass: rgba(255, 255, 255, .8)}.game-container{width:100vw;height:100vh;background:#a2d2ff;overflow:hidden;font-family:Segoe UI,system-ui,sans-serif;-webkit-user-select:none;user-select:none}.cloud-bar{position:absolute;top:0;left:0;right:0;height:32px;background:#00000026;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:space-between;align-items:center;padding:0 20px;z-index:1000;color:#fff;font-size:11px;letter-spacing:.5px}.sync-indicator{display:flex;align-items:center;gap:6px;transition:color .3s}.sync-indicator.syncing{color:#52ffb8}.sync-indicator.success{color:gold}.spin{animation:spin 2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.shortcuts-hint{display:flex;align-items:center;gap:8px;opacity:.8}.hud{position:absolute;top:50px;left:20px;right:20px;display:flex;justify-content:space-between;pointer-events:none;z-index:100}.score-panel{background:var(--glass);padding:12px 24px;border-radius:20px;box-shadow:0 10px 30px #0000001a;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,.3)}.score-row{display:flex;align-items:center;gap:12px}.score-text{font-size:32px;font-weight:900;color:#1a1a1a}.high-score-row{font-size:12px;color:#666;margin-top:4px;display:flex;align-items:center;gap:4px}.mission-alert{background:#ff4d6d;color:#fff;padding:12px 24px;border-radius:50px;display:flex;align-items:center;gap:12px;font-weight:700;box-shadow:0 8px 25px #ff4d6d66}.viewport{width:100%;height:100%;perspective:1200px}.scene{position:absolute;width:5000px;height:5000px;transform-style:preserve-3d;transition:transform .15s cubic-bezier(.1,0,.1,1)}.ground{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg-grass);transform-style:preserve-3d}.grid-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(rgba(255,255,255,.1) 2px,transparent 2px);background-size:80px 80px}.billboard{position:absolute;transform-style:preserve-3d;display:flex;justify-content:center;align-items:flex-end}.sprite-vertical{position:absolute;bottom:0;transform-origin:bottom center}.dog-img{width:85px;height:85px;object-fit:contain;filter:drop-shadow(0 15px 10px rgba(0,0,0,.3))}.house-img{width:380px;filter:drop-shadow(0 30px 40px rgba(0,0,0,.4))}.shadow-blob{position:absolute;bottom:-10px;width:70px;height:24px;background:#0000004d;border-radius:50%;filter:blur(8px);transform:rotateX(90deg)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0006;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;justify-content:center;align-items:center;z-index:2000}.start-card{background:#fff;padding:40px;border-radius:32px;width:90%;max-width:480px;text-align:center;box-shadow:0 40px 80px #0000004d}.logo-area{display:flex;flex-direction:column;align-items:center;gap:16px;margin-bottom:24px}.dog-icon-bg{background:var(--primary);width:80px;height:80px;border-radius:24px;display:flex;justify-content:center;align-items:center;box-shadow:0 10px 20px #ff9f1c4d}.badge{font-size:12px;background:#eee;padding:2px 8px;border-radius:6px;vertical-align:middle}.feature-list{display:flex;justify-content:center;gap:12px;margin:24px 0;flex-wrap:wrap}.feat{background:#f8f9fa;padding:6px 12px;border-radius:10px;font-size:12px;color:#555;display:flex;align-items:center;gap:6px}.play-button{background:var(--primary);color:#fff;border:none;padding:18px 60px;border-radius:20px;font-size:20px;font-weight:800;cursor:pointer;display:flex;align-items:center;gap:12px;margin:0 auto;transition:all .3s}.play-button:hover{transform:scale(1.05) translateY(-4px);box-shadow:0 15px 30px #ff9f1c66}.loading-screen{position:absolute;top:0;right:0;bottom:0;left:0;background:#fff;z-index:3000;display:flex;justify-content:center;align-items:center}.loading-content{text-align:center;width:240px}.progress-bar{height:6px;background:#eee;border-radius:3px;overflow:hidden;margin:20px 0}.progress-fill{height:100%;background:var(--primary)}.dog-run-anim{font-size:32px;animation:bounce .6s infinite alternate}@keyframes bounce{to{transform:translateY(-20px)}}