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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

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

.controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

button {
    padding: 12px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

button:hover {
    background-color: #45a049;
    transform: translateY(-2px);
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
}

button i {
    margin-right: 5px;
}

.search-container {
    display: flex;
}

#searchInput {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 300px;
    font-size: 14px;
}

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

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

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

.stat-card h3 {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-card p {
    font-size: 28px;
    font-weight: bold;
    color: #333;
}

#serverStatus .fa-circle {
    color: #ff6b6b;
    animation: pulse 2s infinite;
}

#serverStatus .connected {
    color: #51cf66;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.table-container {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 1000px;
}

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

th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #495057;
    position: sticky;
    top: 0;
}

tr:hover {
    background-color: #f8f9fa;
}

.status-active {
    color: #4CAF50;
    font-weight: bold;
}

.status-limited {
    color: #FF9800;
    font-weight: bold;
}

.status-inactive {
    color: #F44336;
    font-weight: bold;
}

.rate-cell {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    background-color: #f8f9fa;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #e9ecef;
}

.usage-warning {
    background-color: #fff3cd !important;
    border-left: 4px solid #ffc107;
}

.usage-critical {
    background-color: #f8d7da !important;
    border-left: 4px solid #dc3545;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.pagination button {
    background-color: #2575fc;
    min-width: 100px;
}

.pagination button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: modalAppear 0.3s;
}

@keyframes modalAppear {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #495057;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #2575fc;
    box-shadow: 0 0 0 3px rgba(37, 117, 252, 0.1);
}

#editForm button {
    width: 100%;
    padding: 15px;
    background-color: #2575fc;
    font-size: 16px;
    margin-top: 10px;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .controls {
        flex-direction: column;
    }
    
    .search-container {
        width: 100%;
    }
    
    #searchInput {
        width: 100%;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    th, td {
        padding: 10px 8px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
    }
}