/* ============================================
   CUSTOM NAVIGATION STYLES
   Vehicle Outline Generator
   ============================================ */

/* Navbar Base Styles */
#main-nav {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Logo/Brand Styling */
.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    padding: 0.5rem 0;
}

.navbar-brand img {
    max-height: 40px;
    width: auto;
}

.navbar-brand .site-name {
    color: white;
    font-size: 1.25rem;
}

/* Navigation Links */
.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: background-color 0.2s, color 0.2s;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

/* Dropdown Menu Styling */
.dropdown-menu {
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    transition: background-color 0.2s;
}

.dropdown-item i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
    color: #6c757d;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--teal);
}

.dropdown-item:hover i {
    color: var(--teal);
}

.dropdown-divider {
    margin: 0.5rem 0;
    border-color: #e9ecef;
}

/* Active Navigation State */
.navbar-nav .nav-item.active .nav-link,
.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

/* Desktop Navigation (≥992px) */
@media (min-width: 992px) {
    .navbar-nav .nav-item {
        margin: 0 0.25rem;
    }

    .navbar-nav .nav-link {
        border-radius: 4px;
    }

    .dropdown-menu {
        min-width: 220px;
    }
}

/* Tablet Navigation (768px - 991px) */
@media (max-width: 991px) {
    /* Collapsed navbar background */
    .navbar-collapse {
        background: white;
        padding: 1rem;
        margin-top: 0.5rem;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    /* Nav links in collapsed menu */
    .navbar-nav .nav-link {
        color: #212529 !important;
        padding: 0.75rem 1rem;
        border-radius: 4px;
        margin-bottom: 0.25rem;
    }

    .navbar-nav .nav-link:hover {
        background-color: #f8f9fa;
        color: var(--teal) !important;
    }

    .navbar-nav .nav-link i {
        color: #6c757d;
    }

    .navbar-nav .nav-link:hover i {
        color: var(--teal);
    }

    /* Dropdown in collapsed menu */
    .navbar-nav .dropdown-menu {
        border: none;
        box-shadow: none;
        padding-left: 1rem;
        margin-top: 0.25rem;
        background: transparent;
    }

    .navbar-nav .dropdown-item {
        color: #495057;
        padding: 0.5rem 1rem;
        font-size: 0.95rem;
    }

    .navbar-nav .dropdown-item:hover {
        background-color: #f8f9fa;
        border-radius: 4px;
    }

    /* Dropdown toggle arrow */
    .navbar-nav .dropdown-toggle::after {
        margin-left: auto;
        float: right;
        margin-top: 0.5rem;
    }

    /* Navbar toggler */
    .navbar-toggler {
        padding: 0.5rem 0.75rem;
        font-size: 1.25rem;
        border: 2px solid rgba(255, 255, 255, 0.5);
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    }
}

/* Mobile Navigation (≤767px) */
@media (max-width: 767px) {
    /* Larger touch targets */
    .navbar-nav .nav-link {
        padding: 1rem 1.25rem;
        font-size: 1.05rem;
        min-height: 48px;
    }

    .navbar-nav .nav-link i {
        font-size: 1.2rem;
    }

    .dropdown-item {
        padding: 0.875rem 1.25rem;
        min-height: 44px;
        font-size: 1rem;
    }

    .dropdown-item i {
        font-size: 1.1rem;
    }

    /* Full width collapsed menu */
    .navbar-collapse {
        padding: 1rem 0.75rem;
    }

    /* Navbar brand smaller on mobile */
    .navbar-brand {
        font-size: 1.1rem;
    }

    .navbar-brand img {
        max-height: 35px;
    }

    /* Toggler button larger */
    .navbar-toggler {
        padding: 0.625rem 0.875rem;
        font-size: 1.5rem;
    }
}

/* Accessibility */
.navbar-nav .nav-link:focus,
.dropdown-item:focus {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

/* Loading state for dropdown */
.dropdown-menu.loading::before {
    content: "Loading...";
    display: block;
    padding: 1rem;
    text-align: center;
    color: #6c757d;
    font-size: 0.9rem;
}

/* Notification badge (for future use) */
.nav-item .badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-size: 0.7rem;
    padding: 0.25rem 0.4rem;
}

/* Icon-only mobile toggle option */
@media (max-width: 576px) {
    .navbar-nav .nav-link span {
        /* Option to hide text on very small screens */
        /* display: none; */
    }

    .navbar-nav .nav-link i {
        margin-right: 0.5rem; /* Keep margin even if text hidden */
    }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    .navbar-collapse {
        background: #343a40;
    }

    .navbar-nav .nav-link {
        color: #f8f9fa !important;
    }

    .dropdown-item {
        color: #f8f9fa;
    }
}

/* Print styles */
@media print {
    #main-nav {
        display: none;
    }
}