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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

#login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

#login-form input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#login-form button {
    width: 100%;
    padding: 10px;
    background-color: #8b8b8b;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#login-form button:hover {
    background-color: #666666;
}

#dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: #333;
    color: white;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.sidebar h3 {
    text-align: center;
    margin-bottom: 20px;
    color: #fff;
}

.sidebar ul {
    list-style: none;
    margin-top: 20px;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
    padding: 10px;
    display: block;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.sidebar ul li a:hover, .sidebar ul li a.active {
    background-color: #444;
}

.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.page {
    display: none;
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page.active {
    display: block;
}

#announcements-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.announcement-item {
    background: #fff3cd;
    border: 1px solid #ffeeba;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.announcement-item h3 {
    color: #856404;
    margin-bottom: 10px;
    font-size: 1.2em;
}

.announcement-item p {
    color: #666;
    line-height: 1.5;
    margin-bottom: 15px;
}

.announcement-item small {
    color: #856404;
    display: block;
    font-style: italic;
}

.record-item {
    padding: 15px;
    border: 1px solid #ddd;
    margin-bottom: 10px;
    border-radius: 4px;
    background-color: #fff;
}

.record-item h3 {
    margin-bottom: 10px;
    color: #333;
}

.record-item p {
    margin-bottom: 10px;
    line-height: 1.5;
}

.record-item small {
    color: #666;
    display: block;
}

#new-record {
    background-color: #5b81eb;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 20px;
}

#new-record:hover {
    background-color: #274597;
}

.admin-badge {
    background: #fa0000;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 10px;
    font-size: 0.8em;
}

@media (max-width: 768px) {
    #dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
    }
    
    .sidebar ul {
        display: flex;
        justify-content: center;
        gap: 10px;
    }
    
    .main-content {
        padding: 10px;
    }
    
    #announcements-list {
        grid-template-columns: 1fr;
    }
}