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li{color:#666;font-size:.9rem;position:relative;padding:.5rem 0 .5rem 1.5rem}.recording-tips li:before{content:"💡";position:absolute;left:0}@media (max-width: 768px){.recording-container{padding:1rem}.recording-header h1{font-size:2rem}.setup-card{padding:2rem}.recording-time{grid-template-columns:1fr;gap:1rem}.recording-info-active{grid-template-columns:1fr}}.history-container{max-width:1200px;margin:0 auto;padding:2rem}.history-header{text-align:center;margin-bottom:3rem}.history-header h1{font-size:2.5rem;margin-bottom:1rem;color:#333}.history-header p{font-size:1.1rem;color:#666;line-height:1.6}.loading-container{text-align:center;padding:4rem 2rem}.loading-spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}.loading-container p{color:#666;font-size:1.1rem}.new-user-welcome{text-align:center;padding:4rem 2rem;background:#fff;border-radius:20px;box-shadow:0 4px 20px 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