body {
    background-color: #f5f5dc; /* beige */
    color: #bfa200; /* gold */
    font-family: 'Verdana', sans-serif;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #fff8dc;
    padding: 30px 20px;
    text-align: center;
    border-bottom: 2px solid #d4af37;
}

.header h1, .header h2 {
    margin: 0;
    padding: 10px 0;
}

.logout {
    display: inline-block;
    margin-top: 10px;
    color: #bfa200;
    text-decoration: none;
    font-weight: bold;
}

.logout:hover {
    text-decoration: underline;
}

.search-section {
    text-align: center;
    padding: 20px;
}

.search-section input[type="text"],
.search-section select {
    padding: 10px;
    margin: 5px;
    border: 1px solid #d4af37;
    border-radius: 4px;
    font-size: 1em;
    background-color: #fffaf0;
    color: #bfa200;
}

.search-section input[type="submit"] {
    padding: 10px 15px;
    background-color: #d4af37;
    border: none;
    border-radius: 5px;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.search-section input[type="submit"]:hover {
    background-color: #c19c00;
}

.post-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
}

.post {
    background-color: #fff8dc;
    border: 1px solid #bfa200;
    border-radius: 10px;
    padding: 15px;
    margin: 10px;
    width: 280px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.post h3 {
    font-size: 1.3em;
    margin-bottom: 10px;
    color: #8b7500;
}

.post p {
    margin-bottom: 8px;
}

.post .author {
    font-size: 0.9em;
    color: #8b7500;
}

.form-box {
    max-width: 400px;
    margin: 30px auto;
    padding: 25px;
    background-color: #fffaf0;
    border: 1px solid #d4af37;
    border-radius: 8px;
}

.form-box input[type="text"],
.form-box input[type="password"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 4px;
    border: 1px solid #bfa200;
    background-color: #fdf5e6;
    color: #000;
}

.form-box input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #d4af37;
    border: none;
    color: white;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
}

.form-box input[type="submit"]:hover {
    background-color: #c19c00;
}

.error {
    color: red;
}

.message {
    text-align: center;
    margin-top: 20px;
}