.posture-checker-container{color:#fff;background:linear-gradient(135deg,#0ea5e9 0%,#06b6d4 100%);min-height:100vh;font-family:Outfit,sans-serif}.game-header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0009;border-bottom:3px solid #0ea5e980;justify-content:space-between;align-items:center;padding:1.5rem 2rem;display:flex}.header-left{align-items:center;gap:1.5rem;display:flex}.back-button{color:#fff;background:#ffffff1a;border:1px solid #fff3;border-radius:8px;padding:.5rem 1rem;font-weight:600;text-decoration:none;transition:all .3s}.back-button:hover{background:#fff3;transform:translate(-4px)}.game-header h1{background:linear-gradient(135deg,#0ea5e9,#38bdf8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:800}.status-badges{gap:1rem;display:flex}.status-badge{background:#ffffff1a;border:2px solid #fff3;border-radius:12px;padding:.75rem 1.5rem}.status-badge.good{background:#10b9814d;border-color:#10b981;box-shadow:0 0 20px #10b98166}.status-badge.bad{background:#ef44444d;border-color:#ef4444;box-shadow:0 0 20px #ef444466}.game-main{grid-template-columns:1fr 400px;gap:1.5rem;height:calc(100vh - 100px);padding:1.5rem;display:grid}.camera-container{background:#000;border:3px solid #0ea5e94d;border-radius:20px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 40px #00000080}.main-canvas{border-radius:16px;max-width:100%;max-height:100%}.hidden-video{display:none}.loading-overlay{text-align:center;background:#000000b3;border-radius:16px;padding:2rem 3rem;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.spinner{border:4px solid #ffffff1a;border-top-color:#0ea5e9;border-radius:50%;width:60px;height:60px;margin:0 auto 1rem;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.control-panel{flex-direction:column;gap:1.5rem;display:flex;overflow-y:auto}.score-card,.stats-card,.tips-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff0d;border:2px solid #ffffff1a;border-radius:16px;padding:1.5rem}.score-card h3,.stats-card h3,.tips-card h3{color:#38bdf8;margin-bottom:1rem;font-size:1.2rem;font-weight:700}.score-display{justify-content:center;padding:2rem;display:flex}.score-circle{border-radius:50%;justify-content:center;align-items:center;width:200px;height:200px;display:flex;position:relative}.score-inner{background:#00000080;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:160px;height:160px;display:flex}.score-value{color:#10b981;font-size:3rem;font-weight:700}.score-label{color:#ffffffb3;font-size:1rem}.stat-item{background:#0ea5e91a;border-radius:8px;justify-content:space-between;margin-bottom:.5rem;padding:.75rem;display:flex}.stat-value{font-family:Courier New,monospace;font-weight:700}.stat-value.good{color:#10b981}.stat-value.bad{color:#ef4444}.tips-card ul{padding:0;list-style:none}.tips-card li{color:#fffc;padding:.5rem 0}@media (max-width:1200px){.game-main{grid-template-columns:1fr;height:auto}}