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.3s}.login-button:hover:not(:disabled){opacity:.9;transform:scale(1.02)}.login-button:disabled{opacity:.6;cursor:not-allowed}.demo-credentials{color:#555;background-color:#f5f5f5;border-radius:6px;padding:15px;font-size:14px}.demo-credentials p{margin:5px 0}.demo-credentials strong{color:#333}.myself-page{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);max-width:800px;min-height:100vh;margin:0 auto;padding:40px 20px}.header{color:#fff;justify-content:space-between;align-items:center;margin-bottom:30px;display:flex}.header h1{margin:0;font-size:36px}.logout-button{color:#fff;cursor:pointer;background:#fff3;border:1px solid #fff;border-radius:6px;padding:10px 20px;font-weight:600;transition:all .3s}.logout-button:hover{background:#ffffff4d}.profile-section,.friends-section{background:#fff;border-radius:12px;margin-bottom:30px;padding:30px;box-shadow:0 10px 40px #0003}.profile-section h2{color:#333;margin-bottom:20px;font-size:28px}.profile-section p{color:#555;margin:10px 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