:root {
    --text-color: #202124;
    --bg-color: #ffffff;
    --search-border: #dfe1e5;
    --search-shadow: rgba(32,33,36,0.28);
    --button-bg: #f8f9fa;
    --button-border: #f8f9fa;
    --button-hover-border: #dadce0;
    --link-color: #1a0dab;
    --url-color: #202124;
    --description-color: #4d5156;
    --fast-answer-bg: #f8f9fa;
    --fast-answer-border: #4285F4;
    --footer-text: #70757a;
    --error-color: #d93025;
    --error-bg: rgba(217, 48, 37, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #e8eaed;
        --bg-color: #202124;
        --search-border: #5f6368;
        --search-shadow: rgba(0,0,0,0.3);
        --button-bg: #303134;
        --button-border: #303134;
        --button-hover-border: #5f6368;
        --link-color: #8ab4f8;
        --url-color: #bdc1c6;
        --description-color: #9aa0a6;
        --fast-answer-bg: #303134;
        --fast-answer-border: #8ab4f8;
        --footer-text: #9aa0a6;
        --error-color: #f28b82;
        --error-bg: rgba(232, 67, 62, 0.1);
    }
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: flex-end;
    padding: 15px 20px;
    align-items: center;
}

.header a {
    margin-left: 15px;
    text-decoration: none;
    color: var(--text-color);
    font-size: 13px;
}

.header a:hover {
    text-decoration: underline;
}

.main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 20px;
    text-align: center;
}

.logo {
    margin-bottom: 30px;
    font-size: 48px;
    font-weight: bold;
    color: var(--fast-answer-border);
}

.search-container {
    width: 100%;
    max-width: 584px;
    position: relative;
    margin-bottom: 30px;
}

.search-box {
    width: 100%;
    padding: 12px 50px 12px 20px;
    border: 1px solid var(--search-border);
    border-radius: 24px;
    font-size: 16px;
    outline: none;
    color: var(--text-color);
    background-color: var(--bg-color);
    box-sizing: border-box;
}

.search-box:hover, .search-box:focus {
    box-shadow: 0 1px 6px var(--search-shadow);
    border-color: var(--search-border);
}

.search-button {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    color: var(--text-color);
    opacity: 0.7;
}

.search-button:hover {
    opacity: 1;
}

.results-container {
    width: 90%;
    max-width: 650px;
    margin-top: 20px;
    padding: 0 20px;
    text-align: left;
}

.result {
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
}

.result-icon {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    margin-top: 3px;
}

.result-content {
    flex: 1;
}

.result-title {
    color: var(--link-color);
    text-decoration: none;
    font-size: 20px;
    margin-bottom: 5px;
    display: block;
}

.result-url {
    color: var(--url-color);
    font-size: 14px;
    margin-bottom: 5px;
}

.result-description {
    color: var(--description-color);
    font-size: 14px;
    line-height: 1.4;
}

.fast-answer {
    background-color: var(--fast-answer-bg);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
    border-left: 3px solid var(--fast-answer-border);
    position: relative;
}

.fast-answer-title {
    font-weight: bold;
    margin-bottom: 8px;
}

.fast-answer-actions {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.fast-answer-button {
    background-color: var(--button-bg);
    border: 1px solid var(--button-border);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 12px;
    padding: 5px 10px;
    cursor: pointer;
}

.fast-answer-button:hover {
    box-shadow: 0 1px 1px rgba(0,0,0,0.1);
    border: 1px solid var(--button-hover-border);
}

.fast-answer-input-container {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.fast-answer-input {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--search-border);
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

.fast-answer-submit {
    background-color: var(--button-bg);
    border: 1px solid var(--button-border);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 12px;
    padding: 0 10px;
    cursor: pointer;
}

.loading {
    display: none;
    text-align: center;
    margin: 20px 0;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top: 4px solid var(--fast-answer-border);
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

.language-switcher {
    position: absolute;
    top: 15px;
    left: 15px;
    font-size: 13px;
}

.language-switcher button {
    background: none;
    border: none;
    color: var(--link-color);
    cursor: pointer;
    padding: 5px;
}

.language-switcher button:hover {
    text-decoration: underline;
}

.load-more {
    text-align: center;
    margin: 30px 0;
}

.load-more-button {
    background-color: var(--button-bg);
    border: 1px solid var(--button-border);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 14px;
    padding: 10px 16px;
    cursor: pointer;
}

.load-more-button:hover {
    box-shadow: 0 1px 1px rgba(0,0,0,0.1);
    border: 1px solid var(--button-hover-border);
}

.error-container {
    color: var(--error-color);
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    border-radius: 8px;
    background-color: var(--error-bg);
    display: none;
}

.footer {
    text-align: center;
    padding: 20px;
    font-size: 11px;
    color: var(--footer-text);
    margin-top: auto;
}

@media (max-width: 600px) {
    .logo {
        font-size: 36px;
    }
    
    .search-container {
        width: 95%;
    }
    
    .results-container {
        width: 95%;
        padding: 0 10px;
    }
}