* {
    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;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

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

.subtitle {
    opacity: 0.9;
    font-size: 1.1em;
}

/* Admin Login */
.admin-login {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.login-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
    min-width: 400px;
}

.login-form h2 {
    margin-bottom: 20px;
    color: #333;
}

.login-input {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    margin-bottom: 20px;
    transition: border-color 0.3s;
}

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

.login-btn {
    width: 100%;
    padding: 15px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.login-btn:hover {
    background: #5a6fd8;
}

/* Admin Panel */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.stat-card h3 {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.stat-card span {
    font-size: 2em;
    font-weight: bold;
    color: #333;
}

/* Generate Section */
.generate-section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input, .form-group select {
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group select:focus {
    border-color: #667eea;
    outline: none;
}

.generate-btn {
    background: #4CAF50;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.generate-btn:hover {
    background: #45a049;
}

/* Licenses Table */
.licenses-section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

.status-active { color: #4CAF50; font-weight: bold; }
.status-suspended { color: #ff9800; font-weight: bold; }
.status-revoked { color: #f44336; font-weight: bold; }
.status-expired { color: #9e9e9e; font-weight: bold; }

.action-btn {
    padding: 6px 12px;
    margin: 2px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.3s;
}

.btn-activate { background: #4CAF50; color: white; }
.btn-suspend { background: #ff9800; color: white; }
.btn-revoke { background: #f44336; color: white; }
.btn-delete { background: #607d8b; color: white; }

.action-btn:hover {
    opacity: 0.8;
}

/* Quick Actions */
.quick-actions {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.action-btn {
    padding: 12px 20px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.action-btn.logout {
    background: #f44336;
}

.action-btn:hover {
    background: #5a6fd8;
}

.action-btn.logout:hover {
    background: #d32f2f;
}

/* Modal */
.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: 10% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

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

.close:hover {
    color: #333;
}

.license-key {
    background: #f4f4f4;
    padding: 15px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 16px;
    margin: 10px 0;
    display: block;
    word-break: break-all;
}

.copy-btn {
    width: 100%;
    padding: 12px;
    background: #2196F3;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 15px;
}

.copy-btn:hover {
    background: #1976D2;
}

/* Responsive */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .login-form {
        min-width: auto;
        width: 90%;
    }
}