/*
 * Extra styles: sticky menu, sub-menu toggle button, tags, post navigation, etc.
 * This file is enqueued automatically via functions.php (included in style.css via @import or direct enqueue)
 */

/*--------------------------------------------------------------
# Sticky Menu
--------------------------------------------------------------*/
.mn-header-menu-wrapper.is-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    animation: mn-slide-down 0.3s ease;
}

@keyframes mn-slide-down {
    from { transform: translateY(-100%); opacity: 0; }
    to   { transform: translateY(0);     opacity: 1; }
}

/*--------------------------------------------------------------
# Mobile Sub-menu Toggle Button
--------------------------------------------------------------*/
/* Canh mũi tên toggle giữa dòng trên mobile */

@media ( min-width: 992px ) {
    .sub-menu-toggle {
        display: none;
    }
}
.sub-menu-toggle {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    cursor: pointer;
    float: right;
    font-size: 12px;
    line-height: 1;
    padding: 6px 10px;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 2px;
    transition: background 0.2s;
}

.sub-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

/*--------------------------------------------------------------
# Category Labels
--------------------------------------------------------------*/
.cat-label {
    background: #029fb2;
    color: #fff;
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    margin-bottom: 6px;
    margin-right: 4px;
    padding: 2px 8px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 2px;
    transition: opacity 0.2s;
}

.cat-label:hover {
    opacity: 0.85;
    color: #fff;
    text-decoration: none;
}

/*--------------------------------------------------------------
# Post Tags
--------------------------------------------------------------*/
.post-tags {
    margin-top: 20px;
    padding: 10px 20px;
    border-top: 1px solid #eee;
}

.tag-link {
    display: inline-block;
    border: 1px solid #ddd;
    color: #555;
    font-size: 12px;
    margin: 3px 3px 3px 0;
    padding: 3px 10px;
    border-radius: 2px;
    text-decoration: none;
    transition: all 0.2s;
}

.tag-link:hover {
    background: #029fb2;
    border-color: #029fb2;
    color: #fff;
    text-decoration: none;
}

/*--------------------------------------------------------------
# Post Navigation (single)
--------------------------------------------------------------*/
.post-navigation {
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding: 20px 0;
}

.nav-links .nav-previous,
.nav-links .nav-next {
    max-width: 48%;
}

.nav-links .nav-subtitle {
    color: #029fb2;
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.nav-links .nav-title {
    color: #333;
    display: block;
    font-size: 14px;
    font-weight: 600;
}

.nav-links a:hover .nav-title {
    color: #029fb2;
}

/*--------------------------------------------------------------
# Pagination
--------------------------------------------------------------*/
.nav-links {
    display: flex;
    gap: 5px;
    justify-content: center;
    padding: 20px 0;
    flex-wrap: wrap;
}

.page-numbers {
    background: #f5f5f5;
    border: 1px solid #ddd;
    color: #333;
    display: inline-block;
    font-size: 14px;
    line-height: 1;
    min-width: 36px;
    padding: 8px 12px;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s;
    border-radius: 2px;
}

.page-numbers:hover,
.page-numbers.current {
    background: #029fb2;
    border-color: #029fb2;
    color: #fff;
}

/*--------------------------------------------------------------
# Search Form (global style)
--------------------------------------------------------------*/
.search-form {
    display: flex;
}

.search-form label {
    flex: 1;
}

.search-form .search-field {
    border: 1px solid #ddd;
    font-size: 13px;
    padding: 8px 12px;
    width: 100%;
    outline: none;
}

.search-form .search-field:focus {
    border-color: #029fb2;
}

.search-form .search-submit {
    background: #029fb2;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 13px;
    padding: 8px 16px;
    transition: background 0.2s;
}

.search-form .search-submit:hover {
    background: #028a9a;
}

/*--------------------------------------------------------------
# Responsive extras
--------------------------------------------------------------*/
@media (max-width: 768px) {
    /* Make parent li relative for toggle button positioning */
    #site-navigation ul li {
        position: relative;
    }

    /* Sub-menus hidden by default on mobile (JS controls) */
    #site-navigation ul.sub-menu,
    #site-navigation ul.children {
        display: none;
    }
}

/*--------------------------------------------------------------
# Copy URL Toast Notification
--------------------------------------------------------------*/
.mn-copy-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #222;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: 50px;
    z-index: 99999;
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s;
    white-space: nowrap;
    pointer-events: none;
}

.mn-copy-toast.mn-toast-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}