* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: linear-gradient(135deg, #2c3e50, #3498db);
            color: white;
            padding: 25px 0;
            border-radius: 10px;
            margin-bottom: 30px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 30px;
        }

        h1 {
            font-size: 2.2rem;
            margin-bottom: 5px;
        }

        .subtitle {
            font-size: 1rem;
            opacity: 0.9;
        }

        .logo {
            font-size: 2.5rem;
            background: rgba(255, 255, 255, 0.1);
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .main-content {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }

        .form-section, .list-section {
            flex: 1;
            min-width: 300px;
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
        }

        .section-title {
            font-size: 1.5rem;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #3498db;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title i {
            color: #3498db;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }

        input, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }

        input:focus, select:focus {
            border-color: #3498db;
            outline: none;
            box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
        }

        .form-actions {
            display: flex;
            gap: 10px;
            margin-top: 25px;
        }

        .btn {
            padding: 12px 25px;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

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

        .btn-primary:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
        }

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

        .btn-secondary:hover {
            background-color: #7f8c8d;
        }

        .btn-success {
            background-color: #2ecc71;
            color: white;
        }

        .btn-success:hover {
            background-color: #27ae60;
        }

        .btn-danger {
            background-color: #e74c3c;
            color: white;
        }

        .btn-danger:hover {
            background-color: #c0392b;
        }

        .search-box {
            margin-bottom: 20px;
            position: relative;
        }

        .search-box input {
            padding-left: 40px;
        }

        .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #7f8c8d;
        }

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

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

        th {
            background-color: #f8f9fa;
            padding: 15px;
            text-align: left;
            font-weight: 600;
            color: #2c3e50;
            border-bottom: 2px solid #eaeaea;
        }

        td {
            padding: 15px;
            border-bottom: 1px solid #eaeaea;
        }

        tr:hover {
            background-color: #f9f9f9;
        }

        .action-buttons {
            display: flex;
            gap: 8px;
        }

        .btn-sm {
            padding: 8px 12px;
            font-size: 0.85rem;
        }

        .empty-message {
            text-align: center;
            padding: 30px;
            color: #7f8c8d;
            font-style: italic;
        }

        .stats {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
            color: #555;
        }

        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 15px 20px;
            border-radius: 6px;
            color: white;
            font-weight: 600;
            z-index: 1000;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transform: translateX(150%);
            transition: transform 0.5s;
        }

        .notification.show {
            transform: translateX(0);
        }

        .notification.success {
            background-color: #2ecc71;
        }

        .notification.error {
            background-color: #e74c3c;
        }

        .notification.info {
            background-color: #3498db;
        }

        footer {
            text-align: center;
            margin-top: 40px;
            padding: 20px;
            color: #7f8c8d;
            font-size: 0.9rem;
            border-top: 1px solid #eee;
        }

        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .form-actions {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }
        }