.tool-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }
}

.input-panel, .results-panel {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
}

#textInput {
    width: 100%;
    min-height: 400px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-main);
    color: var(--text-main);
    font-family: inherit;
    resize: vertical;
    font-size: 16px;
    line-height: 1.5;
}

.score-circle-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 2rem 0;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 8px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: bold;
    color: var(--text-main);
    transition: all 0.3s ease;
}

.score-label {
    margin-top: 1rem;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-box {
    background: var(--bg-main);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-title {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: var(--text-main);
}

.score-guide h4 {
    margin-bottom: 0.5rem;
}
.score-guide li {
    margin-bottom: 0.25rem;
    font-size: 14px;
}

.mt-4 { margin-top: 2rem; }
.seo-content ul, .seo-content ol { margin-left: 1.5rem; margin-bottom: 1.5rem; }
.seo-content li { margin-bottom: 0.5rem; }
.seo-content h2, .seo-content h3 { margin-top: 1.5rem; margin-bottom: 1rem; }

body, html { overflow-x: hidden; margin: 0; padding: 0; }