* {
    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: 1200px;
    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 {
    margin-bottom: 10px;
    font-size: 2.5em;
}

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

.main-content {
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.section {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid #f0f0f0;
}

.section h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.8em;
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #34495e;
}

.input-group textarea,
.input-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.input-group textarea:focus,
.input-group input:focus {
    outline: none;
    border-color: #3498db;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

.btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 5px;
}

.btn:hover {
    background: linear-gradient(135deg, #2980b9, #21618c);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #7f8c8d, #6c7b7d);
}

.btn-success {
    background: linear-gradient(135deg, #27ae60, #229954);
}

.btn-success:hover {
    background: linear-gradient(135deg, #229954, #1e8449);
}

.output {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    margin-top: 10px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    word-break: break-all;
    min-height: 100px;
    max-height: 200px;
    overflow-y: auto;
}

.status {
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    font-weight: 600;
}

.status.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.status.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.key-display {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    word-break: break-all;
    color: #856404;
}

.steps {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.steps h3 {
    color: #1976d2;
    margin-bottom: 15px;
}

.steps ol {
    margin-left: 20px;
}

.steps li {
    margin-bottom: 8px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }
    
    .header h1 {
        font-size: 2em;
    }
}