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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    min-height: 100vh;
    scroll-behavior: smooth;
}

.screen-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    margin-bottom: 40px;
}

.screen-header {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 20px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

.desktop-frame {
    background: #f8f9fa;
    min-height: 800px;
}

.top-navbar {
    background: #2c3e50;
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: bold;
}

.logo a {
    color: inherit;
    text-decoration: none;
}

.top-nav-items {
    display: flex;
    gap: 20px;
    align-items: center;
}

.search-bar {
    background: #34495e;
    padding: 8px 15px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-bar input {
    background: none;
    border: none;
    color: white;
    outline: none;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.notification-badge {
    position: relative;
}

.badge-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #e74c3c;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.layout {
    display: flex;
    min-height: 750px;
}

.sidebar {
    width: 280px;
    background: #2c3e50;
    color: white;
}

.sidebar-menu {
    padding: 20px 0;
}

.menu-section {
    margin-bottom: 30px;
}

.menu-title {
    color: #bdc3c7;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 25px;
    margin-bottom: 15px;
}

.menu-item {
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.menu-item:hover {
    background: #34495e;
    padding-left: 30px;
    transition: all 0.3s ease;
}

.menu-item a {
    color: inherit;
    text-decoration: none;
    display: block;
    width: 100%;
}

.menu-item a:hover {
    color: inherit;
}

.menu-item.active {
    background: #3498db;
    border-right: 4px solid #2980b9;
}

.menu-icon {
    font-size: 18px;
}

.main-content {
    flex: 1;
    padding: 30px;
    background: white;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.content-title {
    font-size: 28px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.breadcrumb {
    color: #7f8c8d;
    font-size: 14px;
}

.action-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.quick-stat {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

.quick-stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.quick-stat-info h4 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.quick-stat-info p {
    color: #7f8c8d;
    font-size: 14px;
}

.data-table {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.table-header {
    padding: 20px 25px;
    border-bottom: 1px solid #ecf0f1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-size: 18px;
    color: #2c3e50;
}

.table-controls {
    display: flex;
    gap: 15px;
}

.filter-input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ecf0f1;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-warning {
    background: #fff3cd;
    color: #856404;
}

.status-danger {
    background: #f8d7da;
    color: #721c24;
}

.status-success {
    background: #d4edda;
    color: #155724;
}

.table-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    border: none;
    background: #f8f9fa;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab.active {
    background: #3498db;
    color: white;
}