/* Simple Styling for Announcement Board System */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

nav {
    background: #444;
    color: #fff;
    padding: 0.5rem;
    text-align: center;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 0 15px;
}

container {
    width: 80%;
    margin: 20px auto;
    overflow: hidden;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    display: block; /* Custom element-like behavior */
}

h1, h2, h3 {
    color: #333;
}

form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.btn {
    display: inline-block;
    background: #333;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.btn:hover {
    background: #555;
}

.btn-danger {
    background: #a00;
}

.btn-danger:hover {
    background: #c00;
}

.announcement {
    border-bottom: 1px solid #ddd;
    padding: 15px 0;
}

.announcement:last-child {
    border-bottom: none;
}

.announcement h3 {
    margin-top: 0;
}

.announcement .meta {
    font-size: 0.8rem;
    color: #777;
}

.announcement img {
    max-width: 200px;
    display: block;
    margin: 10px 0;
}

.profile-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
}

.alert {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.alert-success {
    background: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
}

.alert-error {
    background: #f2dede;
    color: #a94442;
    border: 1px solid #ebccd1;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

table th {
    background-color: #f2f2f2;
}