:root {
    --primary: #0066cc;
    --primary-dark: #004d99;
    --primary-light: #4d94ff;
    --secondary: #00a8ff;
    --dark: #1a1a2e;
    --darker: #0d0d1a;
    --light: #f8f9fa;
    --lighter: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-dark: linear-gradient(135deg, var(--primary-dark), #0097e6);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f5f7fb;
    overflow-x: hidden;
}

.admin-wrapper {
    display: flex;
    min-height: 100svh;
}

.sidebar {
    width: 280px;
    background: var(--gradient-dark);
    color: white;
    transition: var(--transition);
    position: fixed;
    height: 120svh;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand img {
    width: 200px;
    height: auto;
    border-radius: 8px;
}

.sidebar-brand-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
}

.sidebar-menu {
    padding: 10px 0;
    list-style: none;
}

.sidebar-item {
    margin-bottom: 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-left-color: #ffff;
}

.sidebar-link i {
    font-size: 1.2rem;
    margin-right: 15px;
    width: 24px;
    text-align: center;
}

.sidebar-dropdown {
    list-style: none;
    padding-left: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.sidebar-dropdown.show {
    max-height: 500px;
}

.sidebar-dropdown .sidebar-link {
    padding-left: 60px;
    font-size: 0.9rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    transition: var(--transition);
}

/* Header */
.admin-header {
    background: white;
    padding: 20px 30px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--dark);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: var(--light);
}

.header-title h1 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.notification-btn,
.profile-btn {
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--dark);
    cursor: pointer;
    position: relative;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
}

.notification-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-dropdown {
    position: relative;
}

.profile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 10px 0;
    min-width: 200px;
    display: none;
    z-index: 1000;
}

.profile-menu.show {
    display: block;
}

.profile-menu-item {
    display: block;
    padding: 10px 20px;
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.profile-menu-item:hover {
    background: var(--light);
    color: var(--primary);
}

/* Content Area */
.content-wrapper {
    padding: 30px;
}

@media (max-width: 1199.98px) {
    .sidebar {
        width: 250px;
    }
    
    .main-content {
        margin-left: 250px;
    }
}

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-toggle {
        display: block;
    }
}

@media (max-width: 767.98px) {
    .admin-header {
        padding: 15px 20px;
    }
    
    .content-wrapper {
        padding: 20px;
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
    
    .header-title h1 {
        font-size: 1.3rem;
    }
}

@media (max-width: 575.98px) {
    .admin-header {
        padding: 12px 15px;
    }
    
    .content-wrapper {
        padding: 15px;
    }
    
    .dashboard-card {
        padding: 20px;
    }
    
    .card-value {
        font-size: 1.8rem;
    }
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.mobile-overlay.show {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.profile-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-btn {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-btn i {
    color: var(--primary);
}

.name-header {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
}

.sidebar-item.logout-item {
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 10px;
}

.sidebar-item.logout-item .sidebar-link {
    color: #dd3333 !important;
    background: #ffff;
    padding: 20px;
    border-radius: 20px;
    margin-left: 16px;
    margin-right: 16px;
    font-weight: 800;
    border: none;
}

.sidebar-item.logout-item .sidebar-link:hover {
    background: #dd3333;
    color: #ffff !important;
    border: none;
}

.profile-info {
    background: #f8f9fa;
    margin: -10px 0 5px 0;
}

.swal2-popup {
    border-radius: var(--border-radius) !important;
}

.swal2-confirm {
    border-radius: 8px !important;
}

.swal2-cancel {
    border-radius: 8px !important;
}

@media (max-width: 767.98px) {
    .profile-btn span {
        display: none !important;
    }
}

.loading {
    opacity: 0.7;
    pointer-events: none;
}

.profile-menu {
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


.dropdown-toggle::after {
    display: none !important;
}

.sidebar-item.has-dropdown {
    position: relative;
}

.sidebar-link.dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.dropdown-arrow {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
    margin-left: auto;
}

.sidebar-item.has-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.sidebar-dropdown {
    list-style: none;
    text-decoration: none;
    padding-left: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
    opacity: 0;
    background: rgba(0, 0, 0, 0.1);
}

.sidebar-dropdown.show {
    max-height: 500px;
    opacity: 1;
}

.sidebar-dropdown .sidebar-link {
    padding-left: 60px;
    font-size: 0.9rem;
    border-left: none;
    position: relative;
}

.sidebar-dropdown .sidebar-link::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
}

.sidebar-dropdown .sidebar-link.active::before {
    background: white;
}

.sidebar-item.has-dropdown.active > .sidebar-link {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-left-color: white;
}

@media (max-width: 991.98px) {
    .sidebar {
        height: 100vh;
        overflow-y: auto;
    }
    
    .sidebar-dropdown .sidebar-link {
        padding-left: 50px;
    }
    
    .sidebar-dropdown .sidebar-link::before {
        left: 30px;
    }
}

.sidebar {
    transition: transform 0.3s ease, width 0.3s ease;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-overlay.show {
    opacity: 1;
    visibility: visible;
}

.sidebar-menu {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.sidebar-menu::-webkit-scrollbar {
    width: 4px;
}

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

.sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.sidebar-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}