/* Mobile Navigation Improvements */

/* Smooth transitions for navbar collapse */
.navbar-collapse {
    transition: all 0.3s ease-in-out;
    overflow: hidden;
}

.navbar-collapse.collapsing {
    transition: height 0.3s ease-in-out;
}

/* Enhanced navbar toggle button */
.navbar-toggle {
    transition: all 0.2s ease-in-out;
    border: none;
    padding: 6px 10px;
}

.navbar-toggle:hover,
.navbar-toggle:focus {
    background-color: transparent;
    border-color: transparent;
}

.navbar-toggle.active {
    background-color: transparent;
    transform: rotate(90deg);
}

/* Smooth icon-bar animations */
.navbar-toggle .icon-bar {
    transition: all 0.2s ease-in-out;
    transform-origin: center;
}

.navbar-toggle.active .icon-bar:nth-child(2) {
    opacity: 0;
    transform: rotate(45deg);
}

.navbar-toggle.active .icon-bar:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.navbar-toggle.active .icon-bar:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Desktop sidebar scroll — keeps full menu visible without clipping */
@media (min-width: 768px) {
    .navbar-default.sidebar.navbar-collapse {
        overflow-y: auto !important;
        max-height: calc(100vh - 70px) !important;
    }
}

/* Mobile-specific styles */
@media (max-width: 767px) {
    /* Fix navbar brand logo sizing on mobile */
    .navbar-brand img {
        max-height: 40px !important;
        height: auto !important;
        width: auto !important;
        max-width: 150px !important;
    }
    
    /* Ensure navbar header doesn't overflow */
    .navbar-header {
        float: none;
        padding-right: 15px;
    }
    
    /* Fix sidebar positioning and width */
    .sidebar {
        position: static !important;
        width: 100% !important;
        margin-top: 0 !important;
        z-index: 1000;
        padding: 0;
    }
    
    /* Navigation collapse improvements */
    .navbar-collapse.in {
        overflow-y: visible;
        border-top: none;
        margin-top: 0;
        box-shadow: none;
        background: transparent;
        padding: 0;
    }
    
    /* Sidebar navigation styling for mobile */
    .sidebar .sidebar-nav {
        background: transparent;
        border-radius: 0;
        max-height: 400px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0;
        margin: 0;
    }
    
    /* Navigation links mobile styling */
    .sidebar ul li {
        border-bottom: 1px solid #e7e7e7;
    }
    
    .sidebar ul li:last-child {
        border-bottom: none;
    }
    
    .sidebar ul li a {
        padding: 12px 15px;
        font-size: 16px;
        transition: all 0.2s ease-in-out;
    }
    
    .sidebar ul li a:hover {
        background-color: #e7e7e7;
        padding-left: 20px;
    }
    
    /* Second level navigation on mobile */
    .sidebar .nav-second-level li a {
        padding-left: 25px !important;
        font-size: 16px;
    }
    
    .sidebar .nav-second-level li a:hover {
        padding-left: 30px !important;
        background-color: #f0f0f0;
    }
    
    /* Fix dropdown arrows on mobile */
    .sidebar .fa.arrow {
        font-size: 14px;
        margin-top: 2px;
    }
    
    /* Page wrapper adjustments */
    #page-wrapper {
        margin: 0 !important;
        padding: 10px 15px !important;
        min-height: calc(100vh - 51px);
    }
    
    /* Top navbar adjustments */
    .navbar-top-links {
        margin-right: 0;
    }
    
    .navbar-top-links .dropdown-menu {
        right: 0;
        left: auto;
        min-width: 200px;
    }
    
    /* Table responsiveness improvements */
    .table-responsive {
        border: none;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Form elements mobile optimization */
    .form-control {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    /* Button improvements on mobile */
    .btn {
        padding: 8px 16px;
        margin-bottom: 5px;
    }
    
    .btn-group-vertical .btn,
    .btn-group .btn {
        margin-right: 5px;
        margin-bottom: 5px;
    }
}

/* Tablet specific adjustments */
@media (min-width: 768px) and (max-width: 991px) {
    .navbar-brand img {
        max-height: 50px !important;
    }
    
    .sidebar {
        width: 220px !important;
    }
    
    #page-wrapper {
        margin: 0 0 0 220px !important;
    }
}

/* Additional mobile improvements */
@media (max-width: 480px) {
    /* Extra small devices */
    .navbar-brand {
        font-size: 16px;
        padding: 10px 15px;
    }
    
    .navbar-brand img {
        max-height: 35px !important;
        max-width: 120px !important;
    }
    
    .navbar-toggle {
        margin-right: 5px;
        margin-top: 10px;
        margin-bottom: 10px;
    }
    
    /* Tighter spacing for very small screens */
    .sidebar ul li a {
        padding: 10px 12px;
        font-size: 15px;
    }
    
    .sidebar .nav-second-level li a {
        padding-left: 20px !important;
        font-size: 13px;
    }
    
    #page-wrapper {
        padding: 5px 10px !important;
    }
}

/* Accessibility improvements */
.navbar-toggle:focus {
    outline: none;
    outline-offset: 0;
}

/* Loading state for navigation */
.nav-loading .navbar-collapse {
    opacity: 0.7;
    pointer-events: none;
}

/* Prevent text selection on toggle button */
.navbar-toggle {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Smooth scrolling for all elements */
html {
    scroll-behavior: smooth;
}

/* Body scroll lock when mobile nav is open */
body.nav-open {
    overflow: hidden;
}

@media (max-width: 767px) {
    body.nav-open {
        position: fixed;
        width: 100%;
    }
}