/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    margin: 0;
    padding: 0;
}

h1, h2, h3 {
    color: #2c3e50;
}

/* Header Styles */
h1 {
    text-align: center;
    margin: 30px 0;
    font-size: 2.5rem;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding-bottom: 10px;
    border-bottom: 2px solid #ecf0f1;
}

/* Search Box */
.search-box {
    max-width: 800px;
    margin: 0 auto 40px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.search-box form {
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.search-box button {
    padding: 12px 25px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.search-box button:hover {
    background: #2980b9;
}

/* News Container */
.news-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.news-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.news-card h3 {
    margin: 0;
    padding: 20px 20px 10px;
    font-size: 1.3rem;
}

.news-card p {
    margin: 0;
    padding: 0 20px 10px;
    color: #7f8c8d;
}

.news-card p strong {
    color: #3498db;
}

.news-card a {
    display: inline-block;
    margin: 15px 20px 20px;
    padding: 8px 15px;
    background: #ecf0f1;
    color: #3498db;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s;
}

.news-card a:hover {
    background: #3498db;
    color: white;
}

/* Chat Box */
.chat-box {
    max-width: 800px;
    margin: 50px auto;
    padding: 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.chat-box h2 {
    margin-top: 0;
    color: #2ecc71;
    font-size: 1.8rem;
    padding-bottom: 15px;
    border-bottom: 1px solid #ecf0f1;
}

#chat-container {
    height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 5px;
    border: 1px solid #eee;
}

#chat-container p {
    margin: 0 0 10px 0;
    padding: 8px 12px;
    border-radius: 5px;
}

#chat-container p:nth-child(odd) {
    background: #e3f2fd;
    margin-right: 20%;
}

#chat-container p:nth-child(even) {
    background: #f1f8e9;
    margin-left: 20%;
}

#user-input {
    width: calc(100% - 110px);
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.chat-box button {
    width: 90px;
    padding: 12px 0;
    background: #2ecc71;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
    margin-left: 10px;
}

.chat-box button:hover {
    background: #27ae60;
}

/* Responsive Design */
@media (max-width: 768px) {
    .news-container {
        grid-template-columns: 1fr;
    }
    
    .search-box form {
        flex-direction: column;
    }
    
    .search-box button {
        width: 100%;
    }
    
    .chat-box {
        margin: 30px 20px;
    }
    
    #user-input {
        width: calc(100% - 20px);
        margin-bottom: 10px;
    }
    
    .chat-box button {
        width: 100%;
        margin-left: 0;
    }
}