/**
 * Navigation & Header Styles
 * Empower Bible Institute - LMS
 */

/* =====================================================
   HEADER
   ===================================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    gap: var(--spacing-xl);
}

/* =====================================================
   LOGO
   ===================================================== */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    flex-shrink: 0;
}

.logo-image {
    height: 50px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =====================================================
   NAVIGATION - UPDATED TO MATCH ADMIN STYLE
   ===================================================== */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex: 1;
}

/* Nav Top - Centered navigation matching admin-nav-top */
.nav-top {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
    justify-content: center;
}

.nav-top a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-top a:hover {
    background-color: var(--bg-hover);
    color: var(--primary-color);
}

.nav-top a.active {
    background-color: rgba(210, 137, 52, 0.1);
    color: var(--primary-color);
}

.nav-top a.active::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--primary-color);
}

/* Legacy nav-menu and nav-link (for backwards compatibility) */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: var(--radius-sm);
}

/* =====================================================
   USER MENU
   ===================================================== */
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--primary-color);
    color: var(--color-white);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.dropdown-toggle:hover {
    background-color: var(--bg-hover);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 220px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-item:hover {
    background-color: var(--bg-hover);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: var(--spacing-sm) 0;
}

/* =====================================================
   THEME TOGGLE
   ===================================================== */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-hover);
}

.theme-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-icon svg {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

/* =====================================================
   MOBILE MENU
   ===================================================== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* =====================================================
   BREADCRUMBS
   ===================================================== */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    list-style: none;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.breadcrumb-item a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--text-tertiary);
}

/* =====================================================
   RESPONSIVE - MOBILE
   ===================================================== */
@media (max-width: 1024px) {
    .nav-menu,
    .nav-top {
        gap: var(--spacing-md);
    }
    
    .nav-top a,
    .nav-link {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        background-color: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }
    
    .nav.active {
        max-height: 500px;
    }
    
    .nav-top {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
        justify-content: flex-start;
    }
    
    .nav-top a {
        width: 100%;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
        border-radius: 0;
    }
    
    .nav-top a.active::after {
        display: none;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link.active::after {
        display: none;
    }
    
    .user-menu {
        width: 100%;
        padding: var(--spacing-lg);
        border-top: 2px solid var(--border-color);
    }
    
    .logo-subtitle {
        display: none;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-title {
        font-size: 1rem;
    }
    
    .logo-image {
        height: 40px;
    }
    
    .user-info {
        display: none;
    }
}