/**
 * Mobile Header Styles
 * Shared mobile responsive CSS for all master pages (-m.html) and event-discovery.html
 * Extracts header collapse, hamburger menu, and mobile navigation from roles-m.html
 */

/* ===========================================
   HAMBURGER MENU - Base styles (hidden on desktop)
   =========================================== */

.hamburger-menu {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: var(--radius-md);
    background-color: var(--module-bg);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
}

.hamburger-menu:hover {
    background-color: var(--hover-bg);
}

.hamburger-menu span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: 1px;
}

/* Hamburger dropdown menu */
.hamburger-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background-color: var(--module-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    z-index: 1000;
    overflow: hidden;
}

.hamburger-dropdown.show {
    display: block;
}

.hamburger-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
}

a.hamburger-dropdown-item {
    text-decoration: none;
    color: var(--text-color);
}

.hamburger-dropdown-item:last-child {
    border-bottom: none;
}

.hamburger-dropdown-item:hover {
    background-color: var(--hover-bg);
}

/* Active page indicator in hamburger menu */
.hamburger-dropdown-item.active {
    background-color: var(--role-id-selected-bg);
    font-weight: var(--font-weight-bold);
}

.hamburger-dropdown-item.active span {
    color: var(--role-id-color);
}

.hamburger-dropdown-item svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.hamburger-dropdown-item .menu-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dark mode overrides for hamburger menu */
.dark-mode .hamburger-dropdown {
    background-color: #000000;
    border-color: #333333;
}

.dark-mode .hamburger-dropdown-item {
    border-bottom-color: #333333;
}

.dark-mode .hamburger-dropdown-item:hover {
    background-color: #1a1a1a;
}

/* Light mode explicit styling for hamburger menu */
.light-mode .hamburger-dropdown {
    background-color: #ffffff;
    border-color: #dee2e6;
}

.light-mode .hamburger-dropdown-item {
    border-bottom-color: #dee2e6;
}

.light-mode .hamburger-dropdown-item:hover {
    background-color: #f5f5f5;
}

/* ===========================================
   MOBILE BREAKPOINT - 768px and below
   =========================================== */

@media (max-width: 768px) {
    /* MOBILE HEADER: Collapse to fit narrow screens */
    header {
        height: auto !important;
        min-height: 50px !important;
        padding: 8px 10px !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
        position: relative !important;
        z-index: 1000 !important; /* Ensure header and message board popup appear above main content */
    }
    
    /* MOBILE: Shrink profile header iframe - just show essentials */
    header > iframe {
        width: 280px !important;
        height: 75px !important;
        order: 1 !important;
        overflow: hidden !important;
    }
    
    /* MOBILE: Hide the centered navigation bar - use hamburger instead */
    .header-nav {
        display: none !important;
    }
    
    /* MOBILE: Keep icons visible, compact them */
    .icons {
        order: 3 !important;
        gap: 8px !important;
        height: auto !important;
        margin-left: 0 !important;
    }
    
    .cart-icon {
        width: 32px !important;
        height: 32px !important;
        padding: var(--padding-md) !important;
    }
    
    .mode-toggle {
        width: 18px !important;
        height: 18px !important;
        margin-left: 4px !important;
    }
    
    .message-board-icon {
        min-width: 24px !important;
        min-height: 24px !important;
        margin-right: var(--margin-xs) !important;
    }
    
    /* MOBILE: Show hamburger menu button for navigation */
    .hamburger-menu {
        display: flex !important;
        order: 2 !important;
        margin-left: auto !important;
        margin-right: 10px !important;
    }
}