/**
 * Header & Navigation Layout
 * Merged from header-styles.css + modern-header.css
 */

/* ============================================
   NAVBAR STRUCTURE
   ============================================ */
.navbar {
    /* Background set via inline style in header.php using --brand-gradient */
    /* DO NOT set background here - it will override the gradient! */
    color: var(--navbar-text);
    box-shadow: 0 2px 8px var(--shadow);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0;
    position: relative;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar-nav {
    gap: 0.5rem;
}

/* ============================================
   NAVBAR BRAND
   ============================================ */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    transition: all 0.2s ease;
    color: var(--navbar-text) !important;
}

.navbar-brand:hover {
    transform: scale(1.05);
    color: var(--link-color) !important;
}

/* ============================================
   NAVIGATION LINKS
   ============================================ */
.nav-link {
    padding: 0.5rem 0.75rem !important;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    color: var(--navbar-text) !important;
}

.nav-link:hover {
    background-color: var(--navbar-hover);
    transform: translateY(-1px);
    color: var(--link-color) !important;
}

.nav-link span {
    white-space: nowrap;
}

/* Icon styles */
.nav-link i {
    transition: transform 0.2s ease;
    font-size: 1.1rem;
}

.nav-link:hover i {
    transform: scale(1.08);
}

.nav-link i.me-1 {
    width: 20px;
    text-align: center;
}

/* User avatar in navigation */
.nav-link img.rounded-circle {
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.2s ease;
}

.nav-link:hover img.rounded-circle {
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.1);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

/* ============================================
   NOTIFICATION BADGES
   ============================================ */
.nav-link .position-absolute,
.badge.rounded-pill {
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Badge pulse animation */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.badge.rounded-pill.bg-danger,
.nav-link .badge {
    animation: pulse 2s infinite;
}

/* ============================================
   DROPDOWN MENUS
   ============================================ */
.dropdown-menu {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px var(--shadow-lg);
    border-radius: 12px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    min-width: 220px;
    max-width: 280px;
    max-height: 80vh;
    overflow-y: auto;
    overflow-x: hidden;
}

.dropdown-item {
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    margin: 0.2rem 0.5rem;
    transition: all 0.2s ease;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.dropdown-item i {
    width: 20px;
    text-align: center;
}

.dropdown-header {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    color: var(--text-muted);
    padding: 0.75rem 1.25rem 0.25rem;
}

.dropdown-divider {
    margin: 0.5rem 0;
    border-top-color: var(--border-color);
    opacity: 0.3;
}

.dropdown-toggle::after {
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* ============================================
   SEARCH MODAL
   ============================================ */
#searchModal .modal-content {
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

#searchModal .modal-header {
    padding: 1.5rem;
}

#searchModal .list-group-item {
    border: none;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: all 0.2s ease;
}

#searchModal .list-group-item:hover {
    background-color: rgba(13, 110, 253, 0.08);
    transform: translateX(4px);
}

/* ============================================
   DROPDOWN SCROLLBAR
   ============================================ */
.dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.dropdown-menu::-webkit-scrollbar-track {
    background: transparent;
}

.dropdown-menu::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 1199px) {
    .nav-link {
        padding: 0.5rem 0.75rem !important;
    }
}

@media (max-width: 991px) {
    .navbar-nav {
        gap: 0;
        padding-top: 1rem;
    }
    
    .navbar-collapse {
        background: var(--bg-secondary);
        padding: 1rem;
        border-radius: 12px;
        margin-top: 1rem;
        border: 1px solid var(--border-color);
    }
    
    .nav-link {
        padding: 0.75rem 1rem !important;
        border-radius: 8px;
        margin: 0.2rem 0;
    }
    
    .dropdown-menu {
        border-radius: 8px;
        box-shadow: none;
        background-color: var(--bg-tertiary);
        border: 1px solid var(--border-light);
    }
}

/* ============================================
   NAVBAR TOGGLER (Mobile hamburger)
   ============================================ */
.navbar-toggler {
    border-color: var(--border-color);
}

.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(0, 0, 0, 0.55)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.theme-dark .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(255, 255, 255, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================
   NAVBAR TEXT (for navbar-text class)
   ============================================ */
.navbar-text {
    color: var(--navbar-text);
}