/* =========================================================
   HEADER / NAVIGATION STYLES
   BusOva - Bus Hub Central
   ========================================================= */

/* ---------------------------------------------------------
   Main Navigation Bar
   --------------------------------------------------------- */
header.navbar {
    background-color: #0b1d2d;
    box-shadow: var(--shadow-soft);
}

/* -------------------------------------------------
   HEADER TAGLINE
------------------------------------------------- */
.site-header .text-center.small {
    color: #ffffff;
}

/* ---------------------------------------------------------
   Brand & Navigation Links Base
   --------------------------------------------------------- */
header.navbar .navbar-brand,
header.navbar .nav-link {
    color: var(--text-inverse);
}

/* ---------------------------------------------------------
   Header Logo
   --------------------------------------------------------- */
.header-logo {
    max-height: 80px;
    width: auto;
}

/* ---------------------------------------------------------
   Navigation Link States
   --------------------------------------------------------- */
header.navbar .nav-link {
    position: relative;
    padding: 0.5rem 0.85rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: color 0.15s ease, background-color 0.15s ease;
}

/* Hover state (non-active only) */
header.navbar .nav-link:not(.active):hover {
    background-color: rgba(255, 255, 255, 0.08);
}

/* Focus state for accessibility */
header.navbar .nav-link:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* ---------------------------------------------------------
   Active Navigation State
   --------------------------------------------------------- */
header.navbar .nav-link.active,
header.navbar .nav-link[aria-current="page"] {
    color: var(--nav-active-color);
    background-color: var(--nav-active-bg);
    font-weight: 600;
}

/* Icon inside active link inherits color */
header.navbar .nav-link.active i,
header.navbar .nav-link[aria-current="page"] i {
    color: inherit;
}

/* ---------------------------------------------------------
   Mobile Navigation Toggle
   --------------------------------------------------------- */
header.navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
    padding: 0.25rem 0.5rem;
}

header.navbar .navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
}

header.navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---------------------------------------------------------
   Dropdown Menus - Base Styles
   --------------------------------------------------------- */
.navbar .dropdown-menu {
    border: 1px solid var(--bs-border-color, #dee2e6);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 6px;
    min-width: 180px;
}

/* ---------------------------------------------------------
   Dropdown Menus - Light Theme
   --------------------------------------------------------- */
[data-bs-theme="light"] .navbar .dropdown-menu {
    background-color: #ffffff;
    border-color: #e2e5e9;
}

[data-bs-theme="light"] .navbar .dropdown-item {
    color: #212529;
    border-radius: 5px;
    padding: 8px 12px;
    font-size: 0.9rem;
    transition: all 0.15s ease;
}

[data-bs-theme="light"] .navbar .dropdown-item:hover,
[data-bs-theme="light"] .navbar .dropdown-item:focus {
    background-color: #f1f3f5;
    color: #212529;
}

[data-bs-theme="light"] .navbar .dropdown-item.active,
[data-bs-theme="light"] .navbar .dropdown-item:active {
    background-color: #0d6efd;
    color: #ffffff;
}

[data-bs-theme="light"] .navbar .dropdown-item.text-muted {
    color: #6c757d !important;
}

[data-bs-theme="light"] .navbar .dropdown-item.text-muted:hover {
    background-color: transparent;
    color: #6c757d !important;
}

[data-bs-theme="light"] .navbar .dropdown-divider {
    border-color: #e9ecef;
    margin: 6px 0;
}

/* ---------------------------------------------------------
   Dropdown Menus - Dark Theme
   --------------------------------------------------------- */
[data-bs-theme="dark"] .navbar .dropdown-menu {
    background-color: #2b3035;
    border-color: #3d4349;
}

[data-bs-theme="dark"] .navbar .dropdown-item {
    color: #e9ecef;
    border-radius: 5px;
    padding: 8px 12px;
    font-size: 0.9rem;
    transition: all 0.15s ease;
}

[data-bs-theme="dark"] .navbar .dropdown-item:hover,
[data-bs-theme="dark"] .navbar .dropdown-item:focus {
    background-color: #343a40;
    color: #ffffff;
}

[data-bs-theme="dark"] .navbar .dropdown-item.active,
[data-bs-theme="dark"] .navbar .dropdown-item:active {
    background-color: #0d6efd;
    color: #ffffff;
}

[data-bs-theme="dark"] .navbar .dropdown-item.text-muted {
    color: #9ca3af !important;
}

[data-bs-theme="dark"] .navbar .dropdown-item.text-muted:hover {
    background-color: transparent;
    color: #9ca3af !important;
}

[data-bs-theme="dark"] .navbar .dropdown-divider {
    border-color: #4b5563;
    margin: 6px 0;
}

/* ---------------------------------------------------------
   Dropdown - Icon & Badge Styling
   --------------------------------------------------------- */
.navbar .dropdown-item i {
    width: 18px;
    text-align: center;
    opacity: 0.7;
}

.navbar .dropdown-item:hover i {
    opacity: 1;
}

.navbar .dropdown-item .badge {
    font-size: 0.65rem;
    padding: 0.2em 0.5em;
    vertical-align: middle;
}

/* ---------------------------------------------------------
   Dropdown - Hover to Open (Desktop)
   --------------------------------------------------------- */
@media (min-width: 992px) {
    header.navbar .nav-item.dropdown:hover > .dropdown-menu {
        display: block;
        margin-top: 0;
    }
    
    header.navbar .nav-item.dropdown > .dropdown-toggle:active {
        pointer-events: none;
    }
}

/* ---------------------------------------------------------
   User Avatar in Navigation
   --------------------------------------------------------- */
.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: border-color 0.15s ease;
}

.nav-avatar:hover {
    border-color: rgba(255, 255, 255, 0.6);
}

/* ---------------------------------------------------------
   Responsive Adjustments
   --------------------------------------------------------- */
@media (max-width: 991.98px) {
    header.navbar .navbar-collapse {
        padding: 1rem 0;
    }

    header.navbar .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0.375rem;
    }

    .header-logo {
        max-height: 60px;
    }
}

@media (max-width: 575.98px) {
    .header-logo {
        max-height: 50px;
    }
}