.ighg-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.ighg-form-section,
.ighg-analysis-section {
    background: #f9f9f9;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 10px;
    border: 1px solid #e1e1e1;
}

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

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

.ighg-form-group input[type="text"],
.ighg-form-group input[type="number"],
.ighg-form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.ighg-form-group input:focus,
.ighg-form-group textarea:focus {
    outline: none;
    border-color: #3897f0;
}

.ighg-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.ighg-checkbox {
    display: flex;
    align-items: center;
    font-weight: normal;
    cursor: pointer;
}

.ighg-checkbox input {
    margin-right: 8px;
}

.ighg-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 10px;
}

.ighg-btn-primary {
    background: #3897f0;
    color: white;
}

.ighg-btn-primary:hover {
    background: #2684f0;
}

.ighg-btn-secondary {
    background: #f0f0f0;
    color: #333;
}

.ighg-btn-secondary:hover {
    background: #e0e0e0;
}

.ighg-btn-link {
    background: transparent;
    color: #3897f0;
}

.ighg-btn-link:hover {
    text-decoration: underline;
}

.ighg-hashtags-list {
    background: white;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid #e1e1e1;
    margin-bottom: 15px;
    min-height: 100px;
    line-height: 1.6;
}

.ighg-hashtag {
    display: inline-block;
    background: #e3f2fd;
    color: #1976d2;
    padding: 4px 8px;
    margin: 2px;
    border-radius: 4px;
    font-size: 13px;
}

.ighg-analysis-results {
    background: white;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid #e1e1e1;
}

.ighg-analysis-item {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.ighg-analysis-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.ighg-popularity-high {
    color: #4caf50;
    font-weight: bold;
}

.ighg-popularity-medium {
    color: #ff9800;
    font-weight: bold;
}

.ighg-popularity-low {
    color: #f44336;
    font-weight: bold;
}

.ighg-loading {
    opacity: 0.7;
    pointer-events: none;
}

.ighg-success {
    color: #4caf50;
    font-weight: bold;
}

.ighg-error {
    color: #f44336;
    font-weight: bold;
}