:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s ease;
    --rounded: 0.5rem;
    --rounded-sm: 0.25rem;
    --rounded-lg: 0.75rem;
    --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #3b82f6;
        --primary-dark: #2563eb;
        --primary-light: #60a5fa;
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        --border-color: #334155;
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
        --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.26);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.26);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
    }
}

.light-theme {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --bg-primary: #f8fafc;
    --bg-secondary: #e2e8f0;
    --bg-tertiary: #cbd5e1;
    --border-color: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-sans), serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.5;
    transition: var(--transition);
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: 100vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary);
    text-decoration: none;
}

.logo-icon {
    background-color: var(--primary);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle {
    display: flex;
    align-items: center;
}

.theme-toggle-button {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: none;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle-button:hover {
    background-color: var(--primary);
    color: white;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.hero {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2rem auto;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    width: 100%;
}

.search-domain-wrapper {
    display: flex;
    position: relative;
    align-items: center;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--rounded);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    width: 100%;
    overflow: hidden;
}

.search-domain-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.info-banner {
    margin-top: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--rounded);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.info-badge {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-content {
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.service-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.service-link:hover {
    text-decoration: underline;
}

.info-content p {
    margin-bottom: 0.5rem;
}

.info-content p:last-child {
    margin-bottom: 0;
}

.info-content code {
    background-color: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.search-input {
    flex: 1;
    width: 100%;
    padding: 1.25rem 3.5rem 1.25rem 1.5rem;
    font-size: 1.125rem;
    border: none;
    background-color: transparent;
    color: var(--text-primary);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
}

.search-button {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--rounded-sm);
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2;
}

.search-button:hover {
    background-color: var(--primary-dark);
}

.search-button:disabled {
    background-color: var(--text-secondary);
    cursor: not-allowed;
}

.results-container {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.empty-state {
    background-color: var(--bg-secondary);
    border-radius: var(--rounded);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    border: 1px dashed var(--border-color);
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.loading {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    animation: spin 1s linear infinite;
}

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

.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
    padding: 1rem;
    border-radius: var(--rounded);
    margin-bottom: 1.5rem;
}

.result-card {
    background-color: var(--bg-secondary);
    border-radius: var(--rounded);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.result-header {
    padding: 1.25rem 1.5rem;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.result-badge {
    background-color: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.result-body {
    padding: 0;
    overflow: hidden;
}

.json-viewer {
    padding: 1.5rem;
    margin: 0;
    overflow-x: auto;
    tab-size: 2;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.json-line {
    display: flex;
}

.json-key {
    color: var(--primary);
    margin-right: 0.5rem;
}

.json-string {
    color: #10b981;
}

.json-number {
    color: #f59e0b;
}

.json-boolean {
    color: #ef4444;
}

.json-null {
    color: #8b5cf6;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--bg-secondary);
    border-radius: var(--rounded);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    width: 3rem;
    height: 3rem;
    border-radius: var(--rounded);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    /*.header {*/
    /*    flex-direction: column;*/
    /*    align-items: flex-start;*/
    /*    gap: 1rem;*/
    /*}*/

    .nav-links {
        flex-wrap: wrap;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .footer-content {
        flex-direction: column;
        /*align-items: flex-start;*/
    }

    .result-title {
        font-size: 1rem;
    }
}