body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #2d3a4b;
    font-family: Arial, sans-serif;
}

.login-container {
    background-color: rgba(45, 58, 75, 1);
    padding: 40px;
    border-radius: 10px;
    width: 300px;
    text-align: center;
}

.logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.logo-text {
    color: #fff;
    font-size: 24px;
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.input-group input {
    width: 100%;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 5px;
    color: #fff;
    font-size: 16px;
    box-sizing: border-box;
    margin-bottom: 5px;
}

.input-group input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.input-group i {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
}

.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    margin-bottom: 5px;
    text-align: left;
    display: none;
    position: relative;
    z-index: 2;
}

.login-btn {
    background-color: #3498db;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
}

.login-btn:hover {
    background-color: #2980b9;
}

.slider-container {
    margin: 20px 0;
    background-color: rgb(246, 244, 244);
    padding: 10px;
    border-radius: 5px;
    color: #666;
    position: relative;
    user-select: none;
    z-index: 1;
}

.slider-mask {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background-color: #3498db;
    opacity: 0.1;
    border-radius: 5px;
    width: 0;
    z-index: 2;
}

.arrow-icon {
    position: absolute;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #3498db;
    width: 50px;
    height: 38px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
}

.arrow-icon i {
    color: white;
    font-size: 16px;
}