/* ============================================
   UNIFIED NAVBAR STYLES - Modern & Responsive
   ============================================ */

/* Reset & Base */
.header_area {
    position: relative;
    z-index: 1000;
}

.main_menu {
    background: #fff;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar {
    padding: 0 !important;
    background: transparent !important;
}

.navbar-brand img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.02);
}

/* Nav Items */
.nav.navbar-nav.menu_nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto !important;
    flex-wrap: nowrap;
}

.nav.navbar-nav.menu_nav > .nav-item {
    position: relative;
    margin: 0 !important;
}

.nav.navbar-nav.menu_nav > .nav-item > .nav-link {
    color: #2c3e50 !important;
    font-weight: 500 !important;
    font-size: 14px !important;
    padding: 12px 16px !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border-radius: 8px !important;
    text-decoration: none !important;
    background: transparent !important;
    line-height: 1.5 !important;
    white-space: nowrap !important;
    position: relative !important;
}

/* Hover Effect - Soft Background */
.nav.navbar-nav.menu_nav > .nav-item > .nav-link:hover,
.nav.navbar-nav.menu_nav > .nav-item > .nav-link:focus {
    color: #6366f1 !important;
    background: rgba(99, 102, 241, 0.08) !important;
}

/* Active State - Subtle underline */
.nav.navbar-nav.menu_nav > .nav-item.active > .nav-link,
.nav.navbar-nav.menu_nav > .nav-item > .nav-link.active {
    color: #6366f1 !important;
}

.nav.navbar-nav.menu_nav > .nav-item.active > .nav-link::after,
.nav.navbar-nav.menu_nav > .nav-item > .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 2px;
}

/* User Avatar in Navbar */
.nav.navbar-nav.menu_nav > .nav-item > .nav-link img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e5e7eb;
    transition: border-color 0.3s ease;
}

.nav.navbar-nav.menu_nav > .nav-item > .nav-link:hover img {
    border-color: #6366f1;
}

/* Dropdown Toggle */
.nav-item.submenu.dropdown .dropdown-toggle::after {
    display: inline-block;
    margin-left: 6px;
    vertical-align: middle;
    border-top: 5px solid currentColor;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
    transition: transform 0.3s ease;
}

.nav-item.submenu.dropdown.show .dropdown-toggle::after {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.nav-item.submenu .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: #fff !important;
    border: none !important;
    border-radius: 12px !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12) !important;
    padding: 8px !important;
    margin-top: 8px !important;
    z-index: 1000;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-item.submenu:hover .dropdown-menu,
.nav-item.submenu.show .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.nav-item.submenu .dropdown-menu .nav-item {
    margin: 0 !important;
}

.nav-item.submenu .dropdown-menu .nav-link {
    color: #4b5563 !important;
    font-size: 13px !important;
    font-weight: 400 !important;
    padding: 10px 14px !important;
    border-radius: 8px !important;
    transition: all 0.2s ease !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    background: transparent !important;
    text-decoration: none !important;
    line-height: 1.4 !important;
}

.nav-item.submenu .dropdown-menu .nav-link:hover {
    background: #f3f4f6 !important;
    color: #6366f1 !important;
}

.nav-item.submenu .dropdown-menu .nav-link img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
}

/* Search Container - Modern Design */
.nav-item.search-item {
    position: relative;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-wrapper .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 13px;
    pointer-events: none;
    transition: color 0.3s ease;
    z-index: 1;
}

.search-wrapper.focused .search-icon {
    color: #6366f1;
}

.search-input {
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 10px 14px 10px 36px;
    font-size: 13px;
    background: #f9fafb;
    color: #1f2937;
    transition: all 0.3s ease;
    width: 180px;
    outline: none;
}

.search-input::placeholder {
    color: #9ca3af;
    font-size: 13px;
}

.search-input:focus {
    border-color: #6366f1;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    width: 260px;
}

.search-input::placeholder {
    color: #9ca3af;
}

/* Search Autocomplete */
.search-autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 1001;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    margin-top: 8px;
}

.search-autocomplete.show {
    display: block;
}

.search-autocomplete-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid #f3f4f6;
    text-decoration: none;
    color: inherit;
}

.search-autocomplete-item:last-child {
    border-bottom: none;
}

.search-autocomplete-item:hover {
    background: #f3f4f6;
}

.search-autocomplete-item img {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
}

.search-autocomplete-item .item-info {
    flex: 1;
    overflow: hidden;
}

.search-autocomplete-item .item-title {
    font-weight: 600;
    font-size: 14px;
    color: #1f2937;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-autocomplete-item .item-category {
    font-size: 12px;
    color: #6b7280;
}

.search-autocomplete-empty {
    padding: 20px;
    text-align: center;
    color: #6b7280;
}

.search-autocomplete-item.selected {
    background: #eef2ff;
}

/* Mobile Toggle Button */
.navbar-toggler {
    border: none !important;
    padding: 8px !important;
    background: transparent !important;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.navbar-toggler .icon-bar {
    width: 24px;
    height: 2px;
    background: #2c3e50;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.navbar-toggler:not(.collapsed) .icon-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler:not(.collapsed) .icon-bar:nth-child(2) {
    opacity: 0;
}

.navbar-toggler:not(.collapsed) .icon-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

@media (max-width: 991.98px) {
    .main_menu {
        padding: 10px 0;
    }
    
    .navbar-brand img {
        height: 35px;
    }
    
    .collapse.navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 16px 16px;
        padding: 16px;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    .nav.navbar-nav.menu_nav {
        flex-direction: column;
        align-items: stretch !important;
        gap: 4px;
        width: 100%;
    }
    
    .nav.navbar-nav.menu_nav > .nav-item {
        width: 100%;
    }
    
    .nav.navbar-nav.menu_nav > .nav-item > .nav-link {
        padding: 14px 16px !important;
        font-size: 15px !important;
        border-radius: 10px !important;
        justify-content: space-between !important;
    }
    
    .nav.navbar-nav.menu_nav > .nav-item.active > .nav-link::after,
    .nav.navbar-nav.menu_nav > .nav-item > .nav-link.active::after {
        display: none;
    }
    
    .nav.navbar-nav.menu_nav > .nav-item.active > .nav-link,
    .nav.navbar-nav.menu_nav > .nav-item > .nav-link.active {
        background: rgba(99, 102, 241, 0.1) !important;
    }
    
    /* Mobile Dropdown Fix */
    .nav-item.submenu .dropdown-menu {
        position: static !important;
        box-shadow: none !important;
        background: #f9fafb !important;
        margin: 8px 0 0 0 !important;
        border-radius: 10px !important;
        transform: none !important;
        opacity: 1 !important;
        display: none;
        padding: 8px !important;
    }
    
    .nav-item.submenu.mobile-open .dropdown-menu {
        display: block !important;
    }
    
    .nav-item.submenu .dropdown-menu .nav-item {
        width: 100%;
    }
    
    .nav-item.submenu .dropdown-menu .nav-link {
        padding: 12px 16px !important;
        display: flex !important;
        align-items: center !important;
        width: 100%;
    }
    
    /* Search - Full Width on Mobile */
    .nav-item.search-item {
        margin-top: 10px;
    }
    
    .search-wrapper {
        width: 100%;
    }
    
    .search-input {
        width: 100% !important;
    }
    
    .search-autocomplete {
        position: fixed;
        left: 16px;
        right: 16px;
        top: auto;
    }
}

@media (max-width: 575.98px) {
    .navbar-brand img {
        height: 30px;
    }
    
    .nav.navbar-nav.menu_nav > .nav-item > .nav-link {
        padding: 12px 14px !important;
        font-size: 14px !important;
    }
    
    .nav-item .input-group .form-control {
        padding: 8px 12px !important;
        font-size: 13px !important;
    }
    
    .nav-item .input-group .btn {
        padding: 8px 12px !important;
    }
}

/* ============================================
   LOADING ANIMATION - Elegant Spinner
   ============================================ */

.page-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.loading-spinner-elegant {
    width: 56px;
    height: 56px;
    position: relative;
}

.loading-spinner-elegant::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid #e5e7eb;
}

.loading-spinner-elegant::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #6366f1;
    animation: elegantSpin 0.8s linear infinite;
}

@keyframes elegantSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text-elegant {
    font-size: 14px;
    font-weight: 500;
    color: #6b7280;
    letter-spacing: 0.5px;
}

.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 4px;
    height: 4px;
    background: #6366f1;
    border-radius: 50%;
    animation: dotPulse 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(1) { animation-delay: 0s; }
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
    0%, 80%, 100% { 
        opacity: 0.3;
        transform: scale(1);
    }
    40% { 
        opacity: 1;
        transform: scale(1.5);
    }
}

/* App Loading (for AJAX requests) */
.app-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9998;
}

.app-loading-overlay.active {
    display: flex;
}

/* Hide old loading styles */
.page-loading-spinner,
.page-loading-text:not(.loading-text-elegant) {
    display: none !important;
}