body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

* {
    box-sizing: border-box;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

.input-section {
    margin-bottom: 20px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #444;
}

textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    resize: vertical;
    min-height: 100px;
}

textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

.button-container {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    margin-top: 15px;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    min-width: 120px;
    position: relative;
}

button:hover {
    background-color: #45a049;
    transform: translateY(-1px);
}

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

.spinner {
    display: none;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(76, 175, 80, 0.1);
    border-top: 3px solid #4CAF50;
    border-right: 3px solid #4CAF50;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: absolute;
    left: 140px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
}

.spinner.visible {
    display: block;
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

.result-item {
    margin-bottom: 20px;
    padding: 15px;
    background-color: #f8f8f8;
    border-radius: 4px;
    border-left: 4px solid #4CAF50;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(10px);
}

.results-section.visible .result-item {
    opacity: 1;
    transform: translateY(0);
}

.result-item h3 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 16px;
}

.result-content {
    margin: 0;
    color: #666;
    font-size: 15px;
    word-wrap: break-word;
    line-height: 1.5;
}

.error-message {
    color: #dc3545;
    background-color: #ffe6e6;
    margin: 10px 0;
    padding: 12px;
    border-radius: 4px;
    display: none;
    font-size: 14px;
    border-left: 4px solid #dc3545;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.visible {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.results-section {
    margin-top: 30px;
    opacity: 0;
    display: none;
    transition: all 0.3s ease;
}

.results-section.visible {
    opacity: 1;
    display: block;
}

/* Add animation delays for result items */
.result-item:nth-child(1) { transition-delay: 0.1s; }
.result-item:nth-child(2) { transition-delay: 0.2s; }
.result-item:nth-child(3) { transition-delay: 0.3s; }
.result-item:nth-child(4) { transition-delay: 0.4s; }