/**
 * AEE UNIVERSITY - UNIVERSAL NAVIGATION BAR
 * Aligned with AEE Design System
 * Version 2.0 - October 2025
 */

/* ==================== BASE NAVBAR ==================== */
.aee-navbar {
    background: var(--aee-bg-surface); /* White background */
    box-shadow: var(--aee-shadow-md);
    z-index: var(--aee-z-navbar);
    padding: var(--aee-space-sm) 0;
    position: sticky;
    top: 0;
    border-bottom: 1px solid var(--aee-border-color);
}

/* ==================== BRAND / LOGO ==================== */
.aee-navbar .navbar-brand {
    padding: var(--aee-space-sm);
    transition: transform var(--aee-transition-fast);
}

.aee-navbar .navbar-brand:hover {
    transform: scale(1.05);
}

.aee-navbar .navbar-brand img {
    height: 40px;
}

/* ==================== NAV LINKS ==================== */
.aee-navbar .nav-link {
    color: var(--aee-text-primary);
    font-weight: var(--aee-font-medium);
    padding: var(--aee-space-sm) var(--aee-space-md);
    border-radius: var(--aee-radius-sm);
    transition: all var(--aee-transition-fast);
    display: flex;
    align-items: center;
    gap: var(--aee-space-xs);
}

.aee-navbar .nav-link:hover {
    color: var(--aee-brand-primary);
    background: var(--aee-brand-primary-lighter);
    transform: translateY(-1px);
}

.aee-navbar .nav-link.active {
    color: var(--aee-brand-primary);
    background: var(--aee-brand-primary-lighter);
    font-weight: var(--aee-font-semibold);
}

/* ==================== DROPDOWNS ==================== */
.aee-navbar .dropdown-toggle::after {
    color: var(--aee-text-secondary);
    transition: transform var(--aee-transition-fast);
}

.aee-navbar .dropdown-toggle:hover::after {
    color: var(--aee-brand-primary);
    transform: rotate(180deg);
}

.aee-navbar .dropdown-menu {
    border: none;
    border-radius: var(--aee-radius-md);
    box-shadow: var(--aee-shadow-lg);
    margin-top: var(--aee-space-sm);
    animation: aee-dropdown-fade-in 0.2s ease;
}

@keyframes aee-dropdown-fade-in {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.aee-navbar .dropdown-item {
    padding: var(--aee-space-sm) var(--aee-space-lg);
    color: var(--aee-text-primary);
    transition: all var(--aee-transition-fast);
    display: flex;
    align-items: center;
    gap: var(--aee-space-sm);
}

.aee-navbar .dropdown-item:hover {
    background: var(--aee-brand-primary);
    color: var(--aee-text-inverse);
    padding-left: calc(var(--aee-space-lg) + 4px);
}

.aee-navbar .dropdown-divider {
    border-color: var(--aee-border-color-light);
}

.aee-navbar .dropdown-header {
    color: var(--aee-text-muted);
    font-size: var(--aee-font-xs);
    font-weight: var(--aee-font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--aee-tracking-wide);
    padding: var(--aee-space-sm) var(--aee-space-lg);
}

/* ==================== USER SECTION ==================== */
.aee-navbar .navbar-text {
    color: var(--aee-text-primary);
    font-weight: var(--aee-font-medium);
    display: flex;
    align-items: center;
    gap: var(--aee-space-xs);
}

.aee-navbar .navbar-text i {
    color: var(--aee-warning); /* Gold coins color */
    font-size: 1.1em;
}

/* ==================== BADGES ==================== */
.aee-navbar .badge {
    background: var(--aee-warning);
    color: var(--aee-text-primary);
    font-weight: var(--aee-font-semibold);
    padding: 0.25em 0.5em;
    border-radius: var(--aee-radius-full);
    font-size: 0.75em;
    margin-left: var(--aee-space-xs);
}

/* ==================== MOBILE NAVBAR ==================== */
.aee-navbar .navbar-toggler {
    border-color: var(--aee-border-color);
    color: var(--aee-text-primary);
}

.aee-navbar .navbar-toggler:hover {
    background: var(--aee-bg-hover);
    border-color: var(--aee-brand-primary);
}

.aee-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%2833, 37, 41, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Mobile dropdown */
@media (max-width: 991.98px) {
    .aee-navbar .navbar-collapse {
        background: var(--aee-bg-surface);
        border: 1px solid var(--aee-border-color);
        border-radius: var(--aee-radius-md);
        margin-top: var(--aee-space-md);
        padding: var(--aee-space-md);
        box-shadow: var(--aee-shadow-md);
    }

    .aee-navbar .nav-link {
        margin-bottom: var(--aee-space-xs);
    }
}

/* ==================== LOGOUT LINK ==================== */
.aee-navbar .dropdown-item.text-danger {
    color: var(--aee-danger) !important;
}

.aee-navbar .dropdown-item.text-danger:hover {
    background: var(--aee-danger);
    color: var(--aee-text-inverse) !important;
}

/* ==================== UNDERLINE ANIMATION ==================== */
.aee-navbar .nav-link {
    position: relative;
}

.aee-navbar .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--aee-brand-primary);
    transition: all var(--aee-transition-fast);
    transform: translateX(-50%);
}

.aee-navbar .nav-link:hover::before,
.aee-navbar .nav-link.active::before {
    width: 80%;
}