.requirement-popup-vertical {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    background: #fff;
    color: #222;
    border-radius: 16px 0 0 16px;
    box-shadow: -2px 0 24px rgba(0, 0, 0, 0.18);
    padding: 32px 28px 24px 28px;
    width: 340px;
    z-index: 1000;
    display: none;
    flex-direction: column;
    /* Ensure vertical stacking */
    align-items: stretch;
}

.popup-header {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 18px;
    text-align: center;
}

.popup-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

    .popup-form input,
    .popup-form textarea {
        width: 100%;
        padding: 10px 12px;
        border-radius: 8px;
        border: 1px solid #ccc;
        font-size: 1rem;
        background: #f8f8f8;
        color: #222;
    }

    .popup-form textarea {
        resize: vertical;
    }

.popup-btn {
    width: 100%;
    background: #2e7d32;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 0;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
}

    .popup-btn:hover {
        background: #1b5e20;
    }

.popup-close {
    position: absolute;
    top: 10px;
    right: 18px;
    font-size: 1.5rem;
    color: #888;
    cursor: pointer;
}

.open-popup-btn-vertical {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    background: #2e7d32;
    color: #fff;
    border: none;
    border-radius: 8px 0 0 8px;
    padding: 12px 22px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    z-index: 999;
    box-shadow: -2px 0 8px rgba(46, 125, 50, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 220px;
    /* Make button tall for vertical appearance */
    writing-mode: vertical-lr;
    /* Rotate text vertically */
    transition: all 0.2s;
}

/* Responsive styles */
@media (max-width: 900px) {
    .open-popup-btn-vertical {
        position: fixed;
        top: auto;
        bottom: 0;
        right: 0;
        left: 0;
        transform: none;
        width: 100%;
        height: 48px;
        border-radius: 0;
        writing-mode: horizontal-tb;
        font-size: 1rem;
        padding: 12px 0;
    }
}

@media (max-width: 600px) {
    .open-popup-btn-vertical {
        position: fixed;
        top: auto;
        bottom: 0;
        right: 0;
        left: 0;
        transform: none;
        width: 100%;
        height: 44px;
        border-radius: 0;
        writing-mode: horizontal-tb;
        font-size: 0.95rem;
        padding: 10px 0;
    }
}

.open-popup-btn-vertical:hover {
    background: #1b5e20;
}

@media (max-width: 900px) {

    .requirement-popup-vertical,
    .open-popup-btn-vertical {
        right: 0;
        width: 100%;
        border-radius: 0;
        box-shadow: none;
    }
}

@media (max-width: 600px) {

    .requirement-popup-vertical,
    .open-popup-btn-vertical {
        position: fixed;
        top: auto;
        bottom: 0;
        right: 0;
        left: 0;
        transform: none;
        width: 100%;
        border-radius: 0;
    }

    .requirement-popup-vertical {
        padding: 18px 8px 18px 8px;
    }
}

.category-toggle {
    background-color: #007BFF;
    color: white;
    padding: 12px 16px;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 18px;
    cursor: pointer;
    margin-top: 20px;
    border-radius: 5px;
    transition: background 0.3s ease;
}

    .category-toggle:hover {
        background-color: #0056b3;
    }

.products-grid.collapse {
    display: none;
    margin-top: 10px;
}

.products-grid.expand {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

</style >