body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #e6f2e6;
    color: #2f4f2f;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 30px auto;
    background: #f9fff9;
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px #a3d9a5;
}

h1, h2 {
    color: #3a7d44;
}

input, textarea, select, button {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    margin-bottom: 15px;
    border: 1.5px solid #a3d9a5;
    border-radius: 5px;
    font-size: 1rem;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

input:focus, textarea:focus {
    border-color: #4caf50;
    outline: none;
}

button {
    background-color: #4caf50;
    color: white;
    border: none;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background-color: #3a7d44;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table, th, td {
    border: 1px solid #a3d9a5;
}

th, td {
    padding: 10px;
    text-align: left;
}

.action-btn {
    background-color: #4caf50;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    text-decoration: none;
    margin-right: 5px;
    font-size: 0.9rem;
}

.action-btn:hover {
    background-color: #3a7d44;
}

.navbar {
    background-color: #a3d9a5;
    padding: 10px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 0 0 8px 8px;
}

.navbar a {
    color: #2f4f2f;
    text-decoration: none;
    font-weight: bold;
    margin-left: 15px;
}

.navbar a:hover {
    text-decoration: underline;
}