/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
    margin-bottom: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    border-bottom: 2px solid #f0f0f0;
}

header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 700;
}

header p {
    font-size: 1.1rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* Form styles */
.generator {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    border: 1px solid #e9ecef;
}

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

.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 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

button:active {
    transform: translateY(0);
}

/* Result section */
.result {
    background: #e8f5e8;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    border: 1px solid #c3e6c3;
}

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

.url-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.url-container input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #c3e6c3;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    font-family: 'Courier New', monospace;
}

.url-container button {
    padding: 12px 20px;
    white-space: nowrap;
}

.preview {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #c3e6c3;
}

.preview a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.preview a:hover {
    text-decoration: underline;
}

/* Examples section */
.examples {
    margin-bottom: 30px;
}

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

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

.example-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.example-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.example-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.example-card p {
    color: #6c757d;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.example-card code {
    background: #e9ecef;
    padding: 8px 12px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: #495057;
    word-break: break-all;
    display: block;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px 0;
    border-top: 2px solid #f0f0f0;
    color: #6c757d;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .url-container {
        flex-direction: column;
    }
    
    .example-grid {
        grid-template-columns: 1fr;
    }
}

/* Success animation */
@keyframes success {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.success {
    animation: success 0.3s ease;
}

/* Copy button feedback */
.copied {
    background: #28a745 !important;
    transform: scale(0.95);
}

.copied::after {
    content: " ✓";
}