:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --accent-color: #666;
    --background-color: #f5f5f5;
    --text-color: #333;
    --border-radius: 8px;
    --spacing: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    min-height: 100vh;
}

.site-header {
    background-color: var(--primary-color);
    color: white;
    padding: calc(var(--spacing) * 2) 0;
    text-align: center;
    margin-bottom: var(--spacing);
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing);
}

.logo-container {
    width: 140px;
    height: 187px;
    position: relative;
    overflow: hidden;
}

.logo-container picture {
    display: block;
    width: 100%;
    height: 100%;
}

.logo {
    max-width: 100%;
    width: 140px;
    height: 187px;
    object-fit: contain;
    filter: grayscale(100%);
    border: 3px solid rgba(255,255,255,0.1);
}

.header-text {
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.subtitle {
    color: #999;
    font-size: 1.1rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.main-content {
    padding: var(--spacing) 0;
}

.question-section {
    margin-bottom: var(--spacing);
}

textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    margin-bottom: var(--spacing);
    background-color: white;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-1px);
}

.response-section {
    background-color: white;
    padding: var(--spacing);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-top: var(--spacing);
}

.quote-container {
    margin-top: var(--spacing);
    padding: var(--spacing);
    background-color: var(--background-color);
    border-radius: var(--border-radius);
}

blockquote {
    font-style: italic;
    color: var(--secondary-color);
    border-left: 4px solid var(--accent-color);
    padding-left: 15px;
}

.hidden {
    display: none;
}

.error {
    color: #dc3545;
    padding: var(--spacing);
    border: 1px solid #dc3545;
    border-radius: var(--border-radius);
    margin-top: var(--spacing);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--background-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

#loadingIndicator {
    text-align: center;
    color: var(--accent-color);
}

footer {
    text-align: center;
    padding: calc(var(--spacing) * 2) 0;
    color: var(--accent-color);
    font-style: italic;
    margin-top: calc(var(--spacing) * 2);
}

/* Response text styles */
#responseText {
    line-height: 1.8;
    white-space: pre-wrap;
    font-size: 1.1em;
}

#responseText p {
    margin-bottom: 1.5em;
}

#responseText .intro {
    font-size: 1.2em;
    color: var(--primary-color);
    margin-bottom: 1.5em;
}

#responseText .numbered-item {
    margin-bottom: 1.5em;
    padding-left: 2em;
}

#responseText .numbered-title {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5em;
    margin-left: -2em;
}

#responseText ul,
#responseText ol {
    margin: 0.5em 0;
    padding-left: 1.5em;
}

#responseText li {
    margin-bottom: 0.5em;
    line-height: 1.6;
}

#responseText strong {
    color: var(--primary-color);
    font-weight: 600;
}

#responseText em {
    color: var(--secondary-color);
    font-style: italic;
}

.share-buttons {
    display: flex;
    gap: 10px;
    margin-top: var(--spacing);
    padding-top: var(--spacing);
    border-top: 1px solid var(--accent-color);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background-color: var(--background-color);
    color: var(--text-color);
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.share-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.share-btn svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 600px) {
    :root {
        --spacing: 15px;
    }

    .site-header {
        padding: var(--spacing) 0;
    }

    .header-content {
        gap: calc(var(--spacing) / 2);
    }

    .logo-container {
        width: 100px;
        height: 134px;
    }

    .logo {
        width: 100px;
        height: 134px;
    }

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .share-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .share-btn {
        min-width: 100px;
        justify-content: center;
    }
}