/* Mobile Navigation Styles */

/* Mobile Header */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--bs-primary, #2c3e50);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.mobile-header .logo-wrapper {
    display: flex;
    align-items: center;
}

.mobile-header .logo-wrapper a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Hamburger Button */
.hamburger-button {
    min-width: 44px;
    min-height: 44px;
    padding: 10px !important;
    border: none !important;
    background: transparent !important;
}

.hamburger-button:hover {
    background: rgba(255,255,255,0.1) !important;
}

.hamburger-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(255,255,255,0.25) !important;
}

/* Hamburger Icon Animation */
.hamburger-icon {
    display: inline-block;
    width: 24px;
    height: 20px;
    position: relative;
}

.hamburger-icon span {
    display: block;
    width: 100%;
    height: 2px;
    background: white;
    margin: 0;
    position: absolute;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-icon span:nth-child(1) {
    top: 0;
}

.hamburger-icon span:nth-child(2) {
    top: 8px;
}

.hamburger-icon span:nth-child(3) {
    top: 16px;
}

/* Hamburger to X animation */
.hamburger-icon.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-icon.open span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.hamburger-icon.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu Wrapper */
.mobile-menu-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1001;
}

.mobile-menu-wrapper.open {
    pointer-events: auto;
}

/* Backdrop */
.mobile-menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
}

.mobile-menu-wrapper.open .mobile-menu-backdrop {
    opacity: 1;
    visibility: visible;
}

/* Slide-out Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 85%;
    max-width: 320px;
    background: white;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: flex;
    flex-direction: column;
}

.mobile-menu-wrapper.open .mobile-menu {
    transform: translateX(0);
    box-shadow: 2px 0 8px rgba(0,0,0,0.15);
}

/* Menu Header */
.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bs-primary, #2c3e50);
    color: white;
    flex-shrink: 0;
}

.mobile-menu-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.mobile-menu-header .btn-close {
    opacity: 1;
}

/* Menu Body */
.mobile-menu-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

/* Touch-friendly menu items */
.mobile-menu-body .nav-link {
    min-height: 44px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--bs-gray-200);
    display: flex;
    align-items: center;
    color: var(--bs-gray-700);
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.mobile-menu-body .nav-link:hover,
.mobile-menu-body .nav-link:focus {
    background: var(--bs-gray-100);
    color: var(--bs-primary);
}

.mobile-menu-body .nav-link:active {
    background: var(--bs-gray-200);
}

.mobile-menu-body .nav-link.active {
    background: var(--bs-primary);
    color: white;
}

.mobile-menu-body .nav-link i,
.mobile-menu-body .nav-link .oi {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

/* Menu Footer */
.mobile-menu-footer {
    flex-shrink: 0;
    background: var(--bs-gray-100);
}

.mobile-menu-footer .user-info {
    padding: 1rem;
    border-top: 1px solid var(--bs-gray-300);
}

/* Adjust main content for fixed header on mobile */
@media (max-width: 768px) {
    .page {
        padding-top: 56px;
    }

    /* Hide desktop sidebar on mobile */
    .sidebar {
        display: none !important;
    }

    /* Adjust main content */
    main {
        margin-left: 0 !important;
    }

    /* Make top-row responsive */
    .top-row {
        display: none !important;
    }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1023px) {
    /* Show desktop navigation on tablets */
    .mobile-header,
    .mobile-menu-wrapper {
        display: none !important;
    }
}

/* Accessibility - Focus states */
.mobile-menu-body .nav-link:focus {
    outline: 2px solid var(--bs-primary);
    outline-offset: -2px;
}

.hamburger-button:focus-visible {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Prevent body scroll when menu is open */
body.mobile-menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* Animation performance optimization */
.mobile-menu,
.mobile-menu-backdrop {
    will-change: transform, opacity;
}

/* Support for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .mobile-menu,
    .mobile-menu-backdrop,
    .hamburger-icon span {
        transition: none !important;
    }
}

/* Dark mode support (if implemented) */
@media (prefers-color-scheme: dark) {
    .mobile-menu {
        background: var(--bs-dark, #212529);
        color: var(--bs-light);
    }

    .mobile-menu-body .nav-link {
        color: var(--bs-gray-300);
        border-bottom-color: var(--bs-gray-700);
    }

    .mobile-menu-body .nav-link:hover,
    .mobile-menu-body .nav-link:focus {
        background: var(--bs-gray-800);
        color: white;
    }

    .mobile-menu-footer {
        background: var(--bs-gray-900);
    }
}

/* Landscape mode adjustments */
@media (max-height: 500px) and (orientation: landscape) {
    .mobile-header {
        height: 44px;
    }

    .mobile-menu-header {
        padding: 0.5rem 1rem;
    }

    @media (max-width: 768px) {
        .page {
            padding-top: 44px;
        }
    }
}