/* Modern Admin Panel Styles - Professional Light Theme */

:root {
    /* Professional Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Neutral Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* Global Styles */
body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Modern Header/Navbar Styles */
.navbar-custom {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1050;
    transition: all var(--transition-base);
    overflow: visible;
}

.navbar-custom > div {
    overflow: visible;
    position: relative;
}

.navbar-custom .navbar-logo {
    display: flex;
    align-items: center;
    padding: 0.25rem 0;
    transition: all var(--transition-fast);
    opacity: 0.9;
}

.navbar-custom .navbar-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

.navbar-custom .navbar-logo img {
    transition: all var(--transition-fast);
    max-height: 32px;
    width: auto;
}

.navbar-custom .topnav-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    flex-shrink: 0;
    overflow: visible;
}

.navbar-custom .topnav-menu li {
    flex-shrink: 0;
    overflow: visible;
}

.navbar-custom .notification-list {
    position: relative;
    z-index: 1055;
}

.navbar-custom .notification-list .dropdown-menu {
    position: absolute !important;
    right: 0 !important;
    left: auto !important;
    top: 100% !important;
    margin-top: 0.5rem !important;
    transform: none !important;
}

.navbar-custom .nav-user {
    display: flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    text-decoration: none;
    border: none;
    background: transparent;
    position: relative;
    overflow: visible;
    white-space: nowrap;
}

.navbar-custom .nav-user:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.navbar-custom .nav-user:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.navbar-custom .nav-user > div {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
    overflow: hidden;
}

.navbar-custom .user-avatar {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.navbar-custom .user-avatar-small {
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.navbar-custom .user-name-text {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
    flex-shrink: 1;
    min-width: 0;
    display: inline-block;
}

/* Hide Bootstrap's default dropdown arrow and style it */
.navbar-custom .nav-user.dropdown-toggle::after {
    display: none !important;
}

.navbar-custom .nav-user::after {
    content: '\f140';
    font-family: 'Material Design Icons';
    font-size: 1.125rem;
    margin-left: 0.25rem;
    transition: transform var(--transition-fast);
    color: var(--text-muted);
    border: none;
    vertical-align: middle;
    display: inline-block;
    line-height: 1;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.navbar-custom .nav-user[aria-expanded="true"]::after,
.navbar-custom .nav-user.show::after {
    transform: rotate(180deg);
    color: var(--primary);
}

.navbar-custom .nav-user:hover::after {
    color: var(--primary);
}

.navbar-custom .pro-user-name {
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-custom .button-menu-mobile {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    overflow: hidden;
}

.navbar-custom .button-menu-mobile:hover {
    background: var(--bg-secondary);
    color: var(--primary);
    transform: scale(1.05);
}

.navbar-custom .button-menu-mobile i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* Dropdown Menu Styles */
.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: 0;
    margin-top: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    animation: fadeInDown 0.3s ease-out;
    min-width: 220px;
    z-index: 1055 !important;
    position: absolute !important;
    overflow: hidden;
}

.dropdown-header {
    background: var(--bg-secondary);
    border-radius: 12px 12px 0 0;
    padding: 1rem !important;
    margin: 0 !important;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.dropdown-header > div {
    overflow: hidden;
    width: 100%;
}

.dropdown-divider {
    margin: 0.5rem 0;
    border-top: 1px solid var(--border-color);
    opacity: 1;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: 0;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.dropdown-item:first-of-type {
    border-radius: 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 12px 12px;
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--primary);
    transform: translateX(4px);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
    font-size: 1.125rem;
    opacity: 0.8;
}

.dropdown-item:hover i {
    opacity: 1;
}

/* Modern Sidebar Styles */
.left-side-menu {
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    border-right: 1px solid var(--border-color);
    width: 260px;
    position: fixed;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
    transition: all var(--transition-base);
    z-index: 1040;
}

.left-side-menu::-webkit-scrollbar {
    width: 6px;
}

.left-side-menu::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.left-side-menu::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.left-side-menu::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.slimscroll-menu {
    padding: 1.5rem 0;
}

#sidebar-menu {
    padding: 0 1rem;
}

#sidebar-menu .metismenu {
    list-style: none;
    padding: 0;
    margin: 0;
}

#sidebar-menu .metismenu > li {
    margin-bottom: 0.5rem;
}

#sidebar-menu .metismenu > li > a {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
    overflow: visible;
    cursor: pointer;
}

#sidebar-menu .metismenu > li > a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--primary);
    transform: scaleY(0);
    transition: transform var(--transition-base);
    border-radius: 0 4px 4px 0;
}

#sidebar-menu .metismenu > li > a:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary);
    transform: translateX(2px);
}

#sidebar-menu .metismenu > li > a:hover::before {
    transform: scaleY(1);
}

#sidebar-menu .metismenu > li.active > a,
#sidebar-menu .metismenu > li > a.active,
#sidebar-menu .metismenu > li.mm-active > a {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.08) 100%);
    color: var(--primary);
    font-weight: 600;
}

#sidebar-menu .metismenu > li.active > a::before,
#sidebar-menu .metismenu > li > a.active::before,
#sidebar-menu .metismenu > li.mm-active > a::before {
    transform: scaleY(1);
}

#sidebar-menu .metismenu > li > a > i:first-child {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

#sidebar-menu .metismenu > li > a:hover > i:first-child,
#sidebar-menu .metismenu > li.active > a > i:first-child {
    transform: scale(1.1);
}

#sidebar-menu .metismenu > li > a > span {
    flex: 1;
    transition: all var(--transition-fast);
}

/* Menu Arrow Icon - Single Arrow Only */
#sidebar-menu .metismenu > li > a .menu-arrow-icon {
    margin-left: auto;
    transition: transform var(--transition-base);
    font-size: 1rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

#sidebar-menu .metismenu > li.mm-active > a .menu-arrow-icon,
#sidebar-menu .metismenu > li.active > a .menu-arrow-icon {
    transform: rotate(90deg);
    color: var(--primary);
}

/* Hide any duplicate arrows from MetisMenu */
#sidebar-menu .metismenu > li > a .menu-arrow,
#sidebar-menu .metismenu > li > a .arrow {
    display: none !important;
}

/* Submenu Styles */
#sidebar-menu .nav-second-level {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
    padding-left: 2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base), opacity var(--transition-base);
    opacity: 0;
}

#sidebar-menu .metismenu > li.mm-active > .nav-second-level,
#sidebar-menu .metismenu > li.active > .nav-second-level {
    max-height: 500px;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    opacity: 1;
}

#sidebar-menu .nav-second-level li {
    margin-bottom: 0.25rem;
}

#sidebar-menu .nav-second-level li a {
    display: flex;
    align-items: center;
    padding: 0.625rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    position: relative;
}

#sidebar-menu .nav-second-level li a i {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

#sidebar-menu .nav-second-level li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

#sidebar-menu .nav-second-level li a:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary);
    padding-left: 1.5rem;
}

#sidebar-menu .nav-second-level li a:hover i {
    opacity: 1;
    transform: scale(1.1);
}

#sidebar-menu .nav-second-level li a:hover::before {
    background: var(--primary);
    width: 8px;
    height: 8px;
}

#sidebar-menu .nav-second-level li.active a {
    color: var(--primary);
    font-weight: 600;
    background: rgba(99, 102, 241, 0.12);
}

#sidebar-menu .nav-second-level li.active a i {
    opacity: 1;
    color: var(--primary);
}

#sidebar-menu .nav-second-level li.active a::before {
    background: var(--primary);
    width: 8px;
    height: 8px;
}

/* Content Area Adjustment */
.content-page {
    margin-left: 260px;
    transition: margin-left var(--transition-base);
}

.content {
    padding: 1.5rem;
    min-height: calc(100vh - 70px);
}

/* Sidebar Collapsed State */
body.sidebar-collapsed .left-side-menu {
    width: 70px;
}

body.sidebar-collapsed .content-page {
    margin-left: 70px;
}

body.sidebar-collapsed #sidebar-menu .metismenu > li > a span:not(.menu-arrow) {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

body.sidebar-collapsed #sidebar-menu .metismenu > li > a .menu-arrow {
    display: none;
}

/* Responsive Sidebar */
@media (max-width: 992px) {
    .left-side-menu {
        transform: translateX(-100%);
    }
    
    .left-side-menu.show {
        transform: translateX(0);
    }
    
    .content-page {
        margin-left: 0;
    }
}

/* Modern Card Styles */
.modern-card {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    overflow: hidden;
}

.modern-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.modern-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.modern-card-body {
    padding: 1.5rem;
}

.modern-card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* Page Header Styles */
.page-title-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    color: white;
    animation: fadeInDown 0.5s ease-out;
}

.page-title-box h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.page-title-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

.breadcrumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    margin: 0;
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: white;
}

.breadcrumb-item.active {
    color: white;
    font-weight: 500;
}

/* Modern Table Styles */
.modern-table-wrapper {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    animation: fadeInUp 0.5s ease-out;
}

.modern-table {
    margin: 0;
}

.modern-table thead {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.modern-table thead th {
    border: none;
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.modern-table tbody tr {
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.modern-table tbody tr:hover {
    background: var(--bg-secondary);
    transform: scale(1.01);
}

.modern-table tbody td {
    padding: 1.25rem;
    vertical-align: middle;
    color: var(--text-primary);
}

/* Modern Badge Styles */
.modern-badge {
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all var(--transition-fast);
}

.badge-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
    color: white;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
}

/* Modern Button Styles */
.btn-modern {
    border-radius: 8px;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    transition: all var(--transition-base);
    border: none;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-modern:hover::before {
    width: 300px;
    height: 300px;
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-modern:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Modern Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    border-radius: 8px;
    border: 2px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all var(--transition-fast);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Modern Tab Styles */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: 8px 8px 0 0;
    margin-right: 0.5rem;
}

.nav-tabs .nav-link:hover {
    color: var(--primary);
    background: var(--bg-secondary);
    border-bottom-color: var(--primary-light);
}

.nav-tabs .nav-link.active {
    color: var(--primary);
    background: var(--bg-primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

.tab-content {
    animation: fadeIn 0.3s ease-out;
}

/* User Card Styles */
.user-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.5s ease-out;
}

.user-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.user-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.user-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.user-card-body {
    color: var(--text-secondary);
}

.user-card-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Stats Card */
.stats-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    animation: fadeInUp 0.5s ease-out;
}

.stats-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.stats-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0.5rem 0;
}

.stats-card-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    border-radius: 12px;
    backdrop-filter: blur(4px);
}

.spinner-modern {
    width: 3rem;
    height: 3rem;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .page-title-box {
        padding: 1.5rem;
    }
    
    .user-card {
        padding: 1rem;
    }
    
    .modern-card-body {
        padding: 1rem;
    }
}

/* Custom Switch Styles */
.custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--primary);
    border-color: var(--primary);
}

.custom-switch .custom-control-label::before {
    border-radius: 0.5rem;
    transition: all var(--transition-fast);
}

.custom-switch .custom-control-input:checked ~ .custom-control-label::after {
    background-color: white;
    transform: translateX(1.5rem);
}

/* Form Section Headers */
.header-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.125rem;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-modern {
    box-shadow: var(--shadow-lg);
}

.border-modern {
    border: 1px solid var(--border-color);
}

.bg-modern {
    background: var(--bg-primary);
}

/* Legacy Card Compatibility */
.card {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: 1.5rem;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* Widget Style Cards (for dashboard) */
.widget-style-2 {
    padding: 0 !important;
}

.widget-style-2 .media {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
}

.widget-style-2 .media-body h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.widget-style-2 .media-body p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.widget-style-2 i {
    font-size: 3rem;
    opacity: 0.2;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--bg-secondary);
}