import os

with open('src/main/resources/static/css/custom.css', 'r') as f:
    css = f.read()

old_css_block = """/* CSS cho Tab Đa năng */
.custom-tab-btn {
    padding: 10px 20px;
    border: 1px solid #ccc;
    background-color: #f8f9fa;
    color: black;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.custom-tab-btn:hover {
    background-color: #e9ecef;
}

.custom-tab-btn.active {
    background-color: var(--color-old-brick);
    color: white;
    border-color: var(--color-old-brick);
}"""

# Actually, the user manually changed it to `var(--color-old-brick);` as we see in the diff!
# So I should find the block starting with `/* CSS cho Tab Đa năng */` and ending at the end of file.

# Let's just find the index of `/* CSS cho Tab Đa năng */` and cut everything from there to the end.
idx = css.find('/* CSS cho Tab Đa năng */')
if idx != -1:
    css = css[:idx]

new_css = """
/* CSS cho Tab Đa năng - Giao diện Mới (Segmented Control) */
.custom-tabs-nav-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    width: 100%;
}

.tabs-container {
    background-color: #0d71ba; /* primary-600 */
    border-radius: 8px; /* rounded-lg */
    padding: 4px; /* p-1 */
    display: flex;
    gap: 4px; /* gap-x-1 */
    width: 100%;
    max-width: fit-content;
}

@media (max-width: 768px) {
    .tabs-container {
        flex-direction: column;
        width: 100%;
        max-width: 100%;
    }
}

.custom-tab-btn {
    padding: 8px 16px; /* px-4 py-2 */
    border: none;
    background-color: transparent;
    color: white;
    cursor: pointer;
    border-radius: 6px; /* rounded-md */
    transition: all 0.2s ease-in-out;
    font-weight: 600;
    font-size: 16px;
    flex: 1; 
    text-align: center;
    min-width: 120px;
}

.custom-tab-btn:hover {
    color: rgba(255, 255, 255, 0.8);
    background-color: transparent;
}

.custom-tab-btn.active {
    background-color: white !important;
    color: #0d71ba !important; /* text-primary-600 */
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
"""

with open('src/main/resources/static/css/custom.css', 'w') as f:
    f.write(css + new_css)
print("Updated custom.css")