body {
    font-family: sans-serif;
    margin: 0;
}
.main-content {
    margin-left: 250px;
    padding: 20px;
}
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90%;
    max-width: 800px;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 20px auto; /* Center the container and add some top/bottom margin */
}

/* Customer Info Styles */
.customer-info {
    width: 100%;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee; /* Separator line */
}

.customer-info .info-row {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.customer-info .customer-icon {
    width: 40px;
    height: 40px;
    background-color: #f0f0f0; /* Light grey background for icon */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 10px;
    font-size: 20px;
    color: #8c8c8c; /* Icon color */
    border: 1px solid #ccc;
}

.customer-info .customer-name {
    font-size: 1.2em;
    font-weight: bold;
    color: #333;
}

.customer-info .info-details p {
    margin: 5px 0;
    font-size: 0.95em;
    color: #555;
    padding-left: 50px; /* Align with the name after the icon */
}

.customer-info .total-amount {
    margin-top: 20px;
    font-size: 1.5em;
    font-weight: bold;
    color: #8c8c8c; /* Matching the progress bar active color */
    padding-left: 50px;
}

.progressbar {
    position: relative;
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 50px;
}

.progressbar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #e0e0e0;
    transform: translateY(-50%);
    z-index: 1;
}

.progress {
    position: absolute;
    top: 50%;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: #8c8c8c; /* Color of the active line */
    transform: translateY(-50%);
    z-index: 2;
    transition: width 0.4s ease-in-out;
}

.progress-step {
    width: 80px; /* Adjust size of the circles */
    height: 80px;
    background-color: #fff;
    border: 3px solid #e0e0e0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 3;
    transition: border-color 0.4s ease-in-out;
}

.progress-step i { /* Changed from .progress-step img to .progress-step i */
    font-size: 40px; /* Adjust icon size using font-size */
    color: #e0e0e0; /* Default color for inactive icons */
    transition: color 0.4s ease-in-out;
}

.progress-step.active {
    border-color: #8c8c8c; /* Active circle border color */
}

.progress-step.active i { /* Changed from .progress-step.active img to .progress-step.active i */
    color: #8c8c8c; /* Color for active icons */
}

.progress-step::after {
    content: attr(data-title);
    position: absolute;
    top: calc(100% + 10px);
    width: 120px; /* Adjust width to fit text */
    text-align: center;
    color: #555;
    font-size: 14px;
}

.buttons {
    margin-top: 30px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #8c8c8c;
    color: white;
    cursor: pointer;
    font-size: 16px;
    margin: 0 10px;
    transition: background-color 0.3s ease;
}

.btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.btn:hover:not(:disabled) {
    background-color: #6a6a6a;
}

/* --- Responsive Styles --- */

/* Mobile devices (max-width: 768px) */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0; /* No offset for main content */
        padding: 15px;
    }

    .menu-icon {
        display: block; /* Show hamburger icon */
    }

    .overlay.active {
        display: block; /* Show overlay when sidebar is active */
    }

    .container {
        width: 95%;
        padding: 20px;
    }

    .customer-info .info-details p,
    .customer-info .total-amount {
        padding-left: 0; /* Remove padding for smaller screens */
        text-align: center; /* Center align info details */
    }

    .customer-info .info-row {
        justify-content: center; /* Center customer name and icon */
    }

    .progressbar {
        flex-direction: column; /* Stack steps vertically */
        align-items: center; /* Center items when stacked */
        position: static; /* Remove absolute positioning for vertical flow */
        margin-bottom: 20px;
    }

    .progressbar::before,
    .progress {
        display: none; /* Hide horizontal line for vertical layout */
    }

    .progress-step {
        width: 60px; /* Smaller circles */
        height: 60px;
        margin-bottom: 30px; /* Space between steps */
        border-width: 2px; /* Thinner border */
    }

    .progress-step i {
        font-size: 30px; /* Smaller icons */
    }

    .progress-step::after {
        top: calc(100% + 5px); /* Adjust text position */
        font-size: 12px;
        width: 100px; /* Adjust width to prevent overlap */
    }

    /* Add a vertical line for progress on smaller screens */
    .progress-step:not(:last-child)::before {
        content: '';
        position: absolute;
        bottom: -25px; /* Position below the circle */
        left: 50%;
        width: 2px;
        height: 25px; /* Length of the line segment */
        background-color: #e0e0e0;
        transform: translateX(-50%);
        z-index: 0;
    }

    .progress-step.active + .progress-step::before { /* Make line active when previous step is active */
        background-color: #8c8c8c;
    }

    .buttons {
        flex-direction: column; /* Stack buttons vertically */
    }

    .btn {
        margin: 10px 0; /* Add vertical margin between buttons */
        max-width: 100%; /* Take full width */
    }
}