/* /assets/css/common_navbar.css */

:root {
    --cn-font-heading: 'Merriweather', serif;
    --cn-font-body: 'Poppins', sans-serif;
    --cn-color-primary: #ffd77b;
    --cn-color-secondary: #ffe4a1;
    --cn-color-accent: #ff8c00;
    --cn-color-dark: #2c3e50;
    --cn-color-light: #f8f9fa;
    --cn-color-white: #ffffff;
    --cn-color-grey: #7f8c8d;
    --cn-shadow-light: 0 2px 8px rgba(0,0,0,0.07);
    --cn-border-radius: 8px;
    --cn-transition-speed: 0.3s;
    --cn-actual-height: 79px;
    --cn-actual-height-mobile: 60px;
    --cn-accent-color-light: rgba(255, 140, 0, 0.3);
    --cn-border-color: #e0e0e0; /* Added for consistency */
    --cn-border-color-light: #f0f0f0; /* Added for consistency */
    --cn-link-hover-bg: #f0f0f0; /* Added for consistency */
}

/* Common Navbar Styles */
.common-header {
    background-color: var(--cn-color-white);
    box-shadow: var(--cn-shadow-light);
    padding: 0.8rem 1.5rem;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 3px solid var(--cn-color-primary);
    height: var(--cn-actual-height);
    display: flex;
    align-items: center;
}

.common-nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
}

.common-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.common-logo img {
    height: 50px;
    width: auto;
    transition: transform var(--cn-transition-speed) ease;
}
.common-logo:hover img {
    transform: rotate(-5deg) scale(1.05);
}

.common-logo .common-site-title {
    font-family: var(--cn-font-heading);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--cn-color-dark);
    margin: 0;
}

.common-nav-links {
    display: flex;
    align-items: center; /* Vertically align items in nav */
    gap: 0.75rem;
}

/* Base for both <a> and <button> nav items */
.common-nav-button,
.common-dropdown-toggle {
    font-family: var(--cn-font-body);
    color: var(--cn-color-grey);
    padding: 0.5rem 1rem;
    border-radius: var(--cn-border-radius);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--cn-transition-speed) ease, background-color var(--cn-transition-speed) ease;
    position: relative;
    background-color: transparent; /* Explicitly set */
    border: none; /* Explicitly set for button */
    cursor: pointer; /* For button */
}

.common-nav-button::after,
.common-dropdown-toggle::after { /* Apply underline effect to toggle as well */
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--cn-color-accent);
    transition: width var(--cn-transition-speed) ease;
}

.common-nav-button:hover,
.common-dropdown-toggle:hover,
.common-nav-button.active-link,
.common-dropdown-toggle.active-link {
    color: var(--cn-color-accent);
}
.common-nav-button:hover::after,
.common-dropdown-toggle:hover::after,
.common-nav-button.active-link::after,
.common-dropdown-toggle.active-link::after {
    width: 70%;
}

/* Focus Styles */
.common-nav-button:focus,
.common-dropdown-toggle:focus {
    outline: none !important;
    box-shadow: 0 0 0 2px var(--cn-accent-color-light) !important;
}
.common-mobile-nav-toggle:focus {
    outline: none !important;
    background-color: rgba(0,0,0,0.05);
    border-radius: var(--cn-border-radius);
}


/* Dropdown Specific Styles */
.common-nav-dropdown-container {
    position: relative;
    display: inline-block;
}

.common-dropdown-toggle { /* Already has base styles from .common-nav-button */
    display: inline-flex;
    align-items: center;
}

.dropdown-chevron {
    margin-left: 0.3em;
    font-size: 0.8em;
    transition: transform 0.2s ease-in-out;
}

.common-dropdown-toggle[aria-expanded="true"] .dropdown-chevron {
    transform: rotate(180deg);
}

.common-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 5px); /* Ensure a small gap from the button */
    background-color: var(--cn-color-white);
    border: 1px solid var(--cn-border-color);
    border-radius: var(--cn-border-radius); /* Rounded corners for the whole dropdown */
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform-origin: top center;
    transition: opacity 0.2s ease-in-out, visibility 0s linear 0.2s, transform 0.2s ease-in-out;
    transform: translateY(10px); /* Start slightly below for animation */
    padding: 0.5rem 0; /* Vertical padding for the menu itself */
}

.common-dropdown-menu.two-column-dropdown {
    left: 50%;
    transform: translateX(-50%) translateY(10px); /* Initial for animation, centered */
    width: max-content;
    max-width: 90vw; /* Prevent overflow on smaller desktop */
    min-width: 430px; /* Approximate for 2 columns + padding */
}
.common-nav-dropdown-container:hover .common-dropdown-menu.two-column-dropdown,
.common-dropdown-toggle[aria-expanded="true"] .common-dropdown-menu.two-column-dropdown,
.common-nav-dropdown-container:focus-within .common-dropdown-menu.two-column-dropdown {
    transform: translateX(-50%) translateY(0); /* Final centered position */
}


.common-nav-dropdown-container:hover .common-dropdown-menu,
.common-dropdown-toggle[aria-expanded="true"] + .common-dropdown-menu,
.common-nav-dropdown-container:focus-within .common-dropdown-menu {
    display: block; /* Use block for the menu, flex for wrapper inside if needed */
    opacity: 1;
    visibility: visible;
    transform: translateY(0); /* Base transform for single column */
    transition-delay: 0s;
}


.common-dropdown-item.dropdown-overview-link {
    display: block;
    padding: 0.8rem 1.25rem;
    font-weight: 600;
    border-bottom: 1px solid var(--cn-border-color);
    background-color: var(--cn-color-white);
    /* margin: -0.5rem 0 0.5rem 0; -- Remove this to simplify spacing */
}

.dropdown-columns-wrapper {
    display: flex;
    flex-wrap: nowrap; /* Default to no-wrap for desktop */
    gap: 0; /* Columns will have padding */
    padding: 0.5rem; /* Padding around the column area */
}

.dropdown-column {
    flex: 1; /* Allow columns to share space */
    min-width: 170px; /* Prevent columns from being too squished */
    padding: 0 0.25rem;
}
.dropdown-column:not(:last-child) {
    border-right: 1px solid var(--cn-border-color-light);
}

.dropdown-column-header {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--cn-color-grey);
    text-transform: uppercase;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.25rem;
    /* border-bottom: 1px solid var(--cn-border-color); -- Optional if items have separators */
}

.common-dropdown-item {
    display: block;
    padding: 0.6rem 0.75rem;
    color: var(--cn-color-dark); /* Default item color */
    text-decoration: none;
    font-size: 0.85rem;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease;
    border-radius: 4px; /* Slight rounding for items */
}

.common-dropdown-item:hover,
.common-dropdown-item:focus {
    background-color: var(--cn-link-hover-bg);
    color: var(--cn-color-accent);
}

.common-dropdown-item.active-dropdown-link {
    background-color: var(--cn-accent-color-light);
    color: var(--cn-color-accent);
    font-weight: 600;
}


/* Mobile Navigation */
.common-mobile-nav-toggle {
    display: none;
    /* ... existing styles ... */
}

@media (max-width: 768px) {
    .common-header {
        height: var(--cn-actual-height-mobile);
    }
    .common-logo .common-site-title {
        font-size: 1.2rem;
    }
    .common-nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: calc(var(--cn-actual-height-mobile) + 3px); /* Adjusted for mobile header height */
        left: 0;
        right: 0;
        background-color: var(--cn-color-white);
        padding: 1rem;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        border-top: 1px solid #eee;
    }
    .common-nav-links.active {
        display: flex;
    }
    .common-nav-button,
    .common-nav-links.active .common-dropdown-toggle { /* Target toggle specifically in mobile active */
        width: 100%;
        text-align: left;
        padding: 0.8rem 1rem;
        color: var(--cn-color-dark);
        margin-bottom: 0.5rem;
        background-color: transparent; /* Reset hover from desktop */
    }
    .common-nav-button:hover,
    .common-nav-links.active .common-dropdown-toggle:hover,
    .common-nav-button.active-link,
    .common-nav-links.active .common-dropdown-toggle.active-link {
        background-color: var(--cn-color-light);
        color: var(--cn-color-accent);
    }
    .common-nav-button::after,
    .common-nav-links.active .common-dropdown-toggle::after {
        left: 0;
        transform: translateX(0);
        bottom: 0;
    }
    .common-nav-button:hover::after,
    .common-nav-links.active .common-dropdown-toggle:hover::after,
    .common-nav-button.active-link::after,
    .common-nav-links.active .common-dropdown-toggle.active-link::after {
        width: 5px;
        height: 100%;
    }
    .common-mobile-nav-toggle {
        display: block;
    }

    /* Mobile Dropdown Menu Specifics */
    .common-nav-links.active .common-dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        border: none;
        border-top: 1px solid var(--cn-border-color-light);
        width: 100%;
        padding: 0;
        background-color: #fdfdfd;
        opacity: 1;
        visibility: visible;
        max-height: 0; /* Collapsed by default */
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
    }
    .common-nav-links.active .common-dropdown-menu.dropdown-open {
        max-height: 500px; /* Adjust to fit all items */
    }
    .common-nav-links.active .common-dropdown-item.dropdown-overview-link {
        border-bottom: 1px solid var(--cn-border-color-light);
        padding: 0.8rem 1.5rem; /* Consistent padding */
    }
    .common-nav-links.active .dropdown-columns-wrapper {
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0 0 0;
    }
    .common-nav-links.active .dropdown-column {
        flex-basis: auto;
        width: 100%;
        min-width: 0;
        padding: 0;
    }
    .common-nav-links.active .dropdown-column:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--cn-border-color-light);
        padding-bottom: 0.5rem;
        margin-bottom: 0.5rem;
    }
    .common-nav-links.active .dropdown-column-header {
        padding: 0.75rem 1.5rem; /* Match item indent */
        font-size: 0.7rem;
        background-color: #f0f0f0; /* Slightly different for mobile section headers */
    }
    .common-nav-links.active .common-dropdown-item {
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid var(--cn-border-color-light);
    }
    .common-nav-links.active .common-dropdown-item:last-child {
        border-bottom: none;
    }
}

/* For screens smaller than the multi-column dropdown's ideal width, but not yet mobile view */
@media (max-width: 991px) {
    .common-dropdown-menu.two-column-dropdown {
        min-width: 250px;
        width: auto;
        max-width: 320px; /* Max width for stacked columns before mobile menu */
        left: 50%;
        transform: translateX(-50%) translateY(10px); /* Keep centering for initial animation */
    }
    .common-nav-dropdown-container:hover .common-dropdown-menu.two-column-dropdown,
    .common-dropdown-toggle[aria-expanded="true"] .common-dropdown-menu.two-column-dropdown,
    .common-nav-dropdown-container:focus-within .common-dropdown-menu.two-column-dropdown {
        transform: translateX(-50%) translateY(0); /* Centered final position */
    }

    .dropdown-columns-wrapper {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem;
    }
    .dropdown-column {
        width: 100%;
        min-width: 0;
        padding: 0;
    }
    .dropdown-column:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid var(--cn-border-color-light);
        padding-bottom: 0.5rem;
        margin-bottom: 0.5rem;
    }
    .dropdown-column:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }
}