/**
 * Hamburger Navigation Component Styles
 * 
 * Provides consistent navigation styling across all pages with a hamburger menu
 * that works well on both desktop and mobile devices.
 */

.hamburger-nav {
    background: transparent;
    border-bottom: none;
    margin-bottom: 0;
    position: relative;
    z-index: 100;
}

.hamburger-nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    max-width: 1600px;
    width: 95%;
    margin: 0 auto;
    box-sizing: border-box;
}

.hamburger-nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hamburger-nav-logo img {
    flex-shrink: 0;
    border-radius: 4px;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.4));
}

.hamburger-nav-brand h1 {
    margin: 0;
    font-size: 1.5rem;
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

.hamburger-nav-brand p {
    margin: 5px 0 0 0;
    color: white;
    font-size: 0.9rem;
    line-height: 1.3;
    opacity: 0.9;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* Hamburger Menu Button */
.hamburger-menu-wrapper {
    position: relative;
}

.hamburger-menu-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    padding: 8px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.hamburger-menu-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.hamburger-menu-btn:focus {
    outline: 2px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

.hamburger-menu-btn.active,
.hamburger-menu-wrapper:hover .hamburger-menu-btn {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.7);
}

/* Hamburger Icon */
.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 20px;
    height: 16px;
    position: relative;
}

.hamburger-icon span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: white;
    border-radius: 1px;
    transition: all 0.3s ease;
    transform-origin: center;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.hamburger-menu-btn.active .hamburger-icon span:nth-child(1),
.hamburger-menu-wrapper:hover .hamburger-icon span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger-menu-btn.active .hamburger-icon span:nth-child(2),
.hamburger-menu-wrapper:hover .hamburger-icon span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu-btn.active .hamburger-icon span:nth-child(3),
.hamburger-menu-wrapper:hover .hamburger-icon span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Dropdown Menu */
.hamburger-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 280px;
    width: 1000px;
    max-width: 1000px;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
    margin-top: 8px;
}

/* Keep dropdown open when hovering over it */
.hamburger-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.hamburger-dropdown.open,
.hamburger-menu-wrapper:hover .hamburger-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.hamburger-dropdown-content {
    padding: 12px;
}

/* Three Column Layout */
.hamburger-menu-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 8px;
}

.hamburger-menu-columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.hamburger-menu-column {
    min-width: 0; /* Prevent grid overflow */
    width: 100%;
    overflow: hidden;
}

/* Menu Items */
.hamburger-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #495057;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    min-height: 44px;
    box-sizing: border-box;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hamburger-menu-item:hover {
    background-color: #f8f9fa;
    color: #007bff;
}

.hamburger-menu-item:focus {
    outline: 2px solid #007bff;
    outline-offset: -2px;
    background-color: #f8f9fa;
}

.hamburger-menu-item.active {
    background-color: #e3f2fd;
    color: #007bff;
    font-weight: 600;
}

.hamburger-menu-item.active:hover {
    background-color: #bbdefb;
}

.hamburger-menu-item svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.hamburger-menu-item span {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Menu Separator */
.hamburger-menu-separator {
    height: 1px;
    background-color: #e9ecef;
    margin: 8px 12px;
}

/* Menu Groups */
.hamburger-menu-group {
    margin: 8px 0;
}

.hamburger-menu-group:first-child {
    margin-top: 0;
}

.hamburger-menu-group:last-child {
    margin-bottom: 0;
}

.hamburger-menu-group-header {
    padding: 8px 16px 6px 16px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6c757d;
    margin-bottom: 4px;
}

.hamburger-menu-group-item {
    padding-left: 32px;
    font-size: 0.9rem;
}

/* Button-style menu items (like Configuration) */
.hamburger-menu-button {
    border-top: 1px solid #e9ecef;
    margin-top: 4px;
    padding-top: 16px;
}

.hamburger-menu-button:first-of-type {
    border-top: none;
    margin-top: 0;
    padding-top: 12px;
}

/* Ensure groups don't have top border on first button */
.hamburger-menu-group .hamburger-menu-button:first-of-type {
    border-top: none;
    margin-top: 0;
    padding-top: 12px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hamburger-nav-content {
        max-width: 95%;
        padding: 15px 25px;
    }
}

/* Switch to single column when viewport is too narrow for three columns */
@media (max-width: 1100px) {
    .hamburger-dropdown {
        width: auto;
        max-width: calc(100vw - 40px);
        min-width: 280px;
    }
    
    .hamburger-menu-columns {
        grid-template-columns: 1fr !important;
        gap: 12px;
    }
    
    .hamburger-menu-columns-2 {
        grid-template-columns: 1fr !important;
    }
}


@media (max-width: 768px) {
    .hamburger-nav-content {
        padding: 12px 20px;
        width: calc(100% - 20px);
        margin: 0 10px;
    }
    
    .hamburger-nav-logo img {
        width: 28px;
        height: 28px;
    }
    
    .hamburger-nav-brand h1 {
        font-size: 1.3rem;
    }
    
    .hamburger-nav-brand p {
        font-size: 0.85rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .hamburger-dropdown {
        width: auto;
        min-width: 260px;
        max-width: calc(100vw - 40px);
        right: -8px;
    }
    
    .hamburger-menu-columns {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .hamburger-menu-item {
        padding: 14px 16px;
        font-size: 1rem;
        white-space: normal;
    }
    
    .hamburger-menu-item span {
        white-space: normal;
    }
}

@media (max-width: 480px) {
    .hamburger-nav-content {
        padding: 10px 12px;
    }
    
    .hamburger-nav-logo img {
        width: 24px;
        height: 24px;
    }
    
    .hamburger-nav-brand h1 {
        font-size: 1.2rem;
    }
    
    .hamburger-nav-brand p {
        font-size: 0.8rem;
    }
    
    .hamburger-dropdown {
        min-width: 240px;
        right: -12px;
    }
}

@media (min-width: 1600px) {
    .hamburger-nav-content {
        max-width: 1400px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hamburger-menu-item {
        border: 1px solid transparent;
    }
    
    .hamburger-menu-item:hover,
    .hamburger-menu-item:focus {
        border-color: currentColor;
    }
    
    .hamburger-dropdown {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .hamburger-icon span,
    .hamburger-dropdown,
    .hamburger-menu-item {
        transition: none;
    }
}