* {
    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;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

header h1 {
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

header p {
    color: #7f8c8d;
    font-size: 1.1em;
}

main {
    display: grid;
    gap: 30px;
}

.code-display {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.code-display h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.8em;
}

.code-section {
    display: grid;
    gap: 20px;
}

.code-block {
    background: #2d3748;
    border-radius: 10px;
    padding: 20px;
    border-left: 4px solid #48bb78;
}

.code-block h3 {
    color: #48bb78;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.code-block pre {
    background: #1a202c;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
}

.code-block code {
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.4;
}

.form-container {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.form-container h2 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 1.8em;
    text-align: center;
}

.form-section {
    margin-bottom: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #007bff;
}

.form-section h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3em;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 10px;
    margin-bottom: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3, #004085);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107, #e0a800);
    color: #212529;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e0a800, #d39e00);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #28a745, #1e7e34);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #1e7e34, #155724);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333, #a71e2a);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.result-display {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    min-height: 60px;
}

.result-display p {
    margin: 0;
    color: #6c757d;
    font-style: italic;
}

.result-display.success {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.result-display.error {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.session-status {
    background: #e3f2fd;
    border: 2px solid #bbdefb;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.session-status.active {
    background: #d4edda;
    border-color: #c3e6cb;
}

.security-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.security-info h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.5em;
}

.security-info ul {
    list-style: none;
    padding: 0;
}

.security-info li {
    padding: 10px 0;
    border-bottom: 1px solid #e9ecef;
    color: #495057;
}

.security-info li:last-child {
    border-bottom: none;
}

.security-info strong {
    color: #2c3e50;
}

footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

footer p {
    color: #6c757d;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    .code-section {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        margin-right: 0;
    }
}

/* Animation for results */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-display {
    animation: fadeIn 0.3s ease-in-out;
}

/* Code syntax highlighting */
.code-block .keyword {
    color: #ff79c6;
}

.code-block .string {
    color: #f1fa8c;
}

.code-block .comment {
    color: #6272a4;
    font-style: italic;
}