body {
    font-family: Arial, sans-serif;
    background: #f4f7fb;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 30px auto;
    background: #ffffff;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-radius: 10px;
}

h1, h2, h3 {
    margin-top: 0;
    color: #222;
}

.menu {
    margin: 20px 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.menu li {
    display: inline-block;
}

.menu a {
    display: inline-block;
    text-decoration: none;
    background: #0d6efd;
    color: white;
    padding: 10px 14px;
    border-radius: 6px;
}

.menu a:hover {
    background: #0b5ed7;
}

.dashboard {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.card {
    flex: 1 1 220px;
    background: #f8f9fa;
    border-left: 5px solid #0d6efd;
    padding: 15px;
    border-radius: 8px;
}

.card h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.card p {
    margin: 0;
    font-size: 22px;
    font-weight: bold;
}

form {
    margin-bottom: 20px;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 6px;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    margin-bottom: 15px;
    box-sizing: border-box;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

button,
.btn {
    background: #198754;
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

button:hover,
.btn:hover {
    background: #157347;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

table th,
table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

table th {
    background: #0d6efd;
    color: white;
}

table tr:nth-child(even) {
    background: #f9f9f9;
}

.message-success {
    background: #d1e7dd;
    color: #0f5132;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.message-error {
    background: #f8d7da;
    color: #842029;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.top-actions {
    margin: 15px 0;
}

.top-actions a {
    margin-right: 10px;
}

a {
    color: #0d6efd;
}
.dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.card {
    background: #2d89ef;
    color: #fff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-size: 16px;
}

.card strong {
    font-size: 22px;
    display: block;
    margin-top: 5px;
}