/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Tracking List Styles */
.tracking-list {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    padding: 2rem 0;
}

/* Tracking Item Styles */
.tracking-item {
    position: relative;
    padding: 2rem 1.5rem 2rem 3rem;
    margin-left: 3rem;
    border-left: 4px solid #d6d6d6;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tracking-item.active {
    border-left-color: #002A5C;
}

/* Dot Indicator */
.tracking-dot {
    position: absolute;
    left: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    background: #d6d6d6;
}

.tracking-item.active .tracking-dot {
    background: #002A5C;
    width: 1.6rem;
    height: 1.6rem;
    left: -0.95rem;
}

/* Date and Image Styles */
.tracking-date {
    margin-bottom: 1rem;
}

.tracking-date img {
    max-width: 40px;
    height: auto;
}

/* Content Styles */
.tracking-content {
    background-color: #f4f4f4;
    padding: 1rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 17px;
}

.tracking-content span {
    display: block;
    color: #767676;
    font-size: 13px;
    font-weight: normal;
    margin-top: 0.5rem;
}

/* Vertical Line for Connected Steps */
.tracking-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: -4px;
    top: 50%;
    height: 50%;
    width: 4px;
    background-color: inherit;
}

.tracking-item:not(:first-child)::before {
    content: '';
    position: absolute;
    left: -4px;
    bottom: 50%;
    height: 50%;
    width: 4px;
    background-color: inherit;
}

/* Responsive Styles */
@media (min-width: 992px) {
    .tracking-item {
        margin-left: 10rem;
    }

    .tracking-date {
        position: absolute;
        left: -10rem;
        width: 7.5rem;
        text-align: right;
    }

    .tracking-content {
        background: transparent;
        padding: 0;
    }
}

@media (max-width: 991px) {
    .tracking-item {
        margin-left: 2rem;
        padding: 1.5rem 1rem 1.5rem 2rem;
    }

    .tracking-content {
        font-size: 15px;
    }

    .tracking-content span {
        font-size: 12px;
    }

    .tracking-date img {
        max-width: 35px;
    }
}

@media (max-width: 576px) {
    .tracking-item {
        margin-left: 1rem;
        padding: 1.2rem 0.8rem 1.2rem 1.8rem;
    }

    .tracking-content {
        font-size: 14px;
        padding: 0.8rem;
    }

    .tracking-content span {
        font-size: 11px;
    }

    .tracking-date img {
        max-width: 30px;
    }

    .container {
        padding: 1rem;
    }
}

.tracking-item:last-child {
    padding-bottom: 1rem;
}