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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1em;
    opacity: 0.9;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 30px;
    background: #f8f9fa;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.card h3 {
    color: #666;
    font-size: 1em;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card .stat {
    font-size: 2.5em;
    font-weight: bold;
    color: #667eea;
}

.controls {
    padding: 30px;
    background: white;
    border-bottom: 2px solid #f0f0f0;
}

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

.search-box input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: #667eea;
}

.filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.filters select {
    padding: 12px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s;
}

.filters select:focus {
    outline: none;
    border-color: #667eea;
}

.btn-export {
    padding: 12px 30px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s;
    margin-left: auto;
}

.btn-export:hover {
    background: #218838;
}

.table-container {
    padding: 30px;
    overflow-x: auto;
}

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

thead {
    background: #667eea;
    color: white;
}

thead th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9em;
    letter-spacing: 0.5px;
}

tbody tr {
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s;
}

tbody tr:hover {
    background: #f8f9fa;
}

tbody td {
    padding: 15px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #999;
    font-style: italic;
}

.status-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

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

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

.status-new {
    background: #d1ecf1;
    color: #0c5460;
}

.category-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.9em;
}

.category-A {
    background: #ffd700;
    color: #333;
}

.category-B {
    background: #c0c0c0;
    color: #333;
}

.category-C {
    background: #cd7f32;
    color: white;
}

.category-D {
    background: #999;
    color: white;
}

.growth-positive {
    color: #28a745;
    font-weight: bold;
}

.growth-negative {
    color: #dc3545;
    font-weight: bold;
}

.btn-view {
    padding: 8px 16px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background 0.3s;
}

.btn-view:hover {
    background: #5568d3;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background: white;
    margin: 50px auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

.month-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.month-card {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.month-card h4 {
    color: #667eea;
    margin-bottom: 5px;
    text-transform: capitalize;
}

.month-card p {
    font-size: 1.2em;
    font-weight: bold;
    color: #333;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }
    
    .filters {
        flex-direction: column;
    }
    
    .filters select,
    .btn-export {
        width: 100%;
    }
    
    .table-container {
        padding: 15px;
    }
    
    table {
        font-size: 0.9em;
    }
}