* {
    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: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 300;
}

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

.main-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    padding: 30px;
}

.input-section {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.input-section h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.2);
}

.btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    margin-bottom: 10px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.btn-danger:hover {
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

.results-section {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.commission-rules {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 20px;
    border-radius: 15px;
    border-left: 5px solid #3498db;
}

.commission-rules h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.table-container {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.table-header {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: white;
    padding: 15px 20px;
}

.table-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

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

th, td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

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

.top-performer {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: white;
    animation: glow 2s ease-in-out infinite alternate;
}

.high-performer {
    background: linear-gradient(135deg, #27ae60, #229954);
    color: white;
}

.good-performer {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

@keyframes glow {
    from { box-shadow: 0 0 10px rgba(243, 156, 18, 0.5); }
    to { box-shadow: 0 0 20px rgba(243, 156, 18, 0.8); }
}

.chart-container {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: 400px;
}

.chart-title {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #3498db;
}

.stat-label {
    color: #7f8c8d;
    margin-top: 5px;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .header h1 {
        font-size: 2rem;
    }
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #7f8c8d;
    font-style: italic;
}