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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 900px;
    width: 100%;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 40px;
}

.header-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
}

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

.header-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-image img {
    max-width: 220px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    background: white;
    padding: 10px;
}

.main-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

main {
    padding: 40px;
}

.search-form {
    margin-bottom: 30px;
}

.search-box {
    display: flex;
    gap: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 50px;
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: 18px 30px;
    border: 2px solid #e0e0e0;
    border-radius: 50px 0 0 50px;
    font-size: 1.1rem;
    outline: none;
    transition: border-color 0.3s;
}

.search-input:focus {
    border-color: #667eea;
}

.search-button {
    padding: 18px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 0 50px 50px 0;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.search-button:hover {
    transform: scale(1.05);
}

.search-button:active {
    transform: scale(0.95);
}

.error-box {
    background: #fee;
    border-left: 4px solid #f44;
    padding: 15px 20px;
    border-radius: 5px;
    color: #c33;
    margin-bottom: 20px;
}

.results {
    margin-top: 30px;
}

.question-box {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid #667eea;
}

.question-box h3 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.question-box p {
    font-size: 1.1rem;
    color: #333;
}

.answer-box {
    background: #ffffff;
    padding: 25px;
    border-radius: 10px;
    border: 2px solid #e0e0e0;
}

.answer-box h3 {
    color: #764ba2;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.answer-content {
    line-height: 1.8;
    color: #444;
    font-size: 1rem;
    white-space: pre-wrap;
}

footer {
    background: #f8f9fa;
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }
    
    .header-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .header-text {
        text-align: center;
    }
    
    .header-image img {
        max-width: 200px;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-input,
    .search-button {
        border-radius: 50px;
        border: 2px solid #e0e0e0;
    }
    
    header {
        padding: 40px 20px;
    }
    
    main {
        padding: 20px;
    }
}