body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    padding-top: 20px;
}

.container {
    max-width: 1100px;
}

h2, h4 {
    color: #343a40;
}

table th, table td {
    vertical-align: middle;
}

.card {
    border-radius: 10px;
    border: 1px solid #e0e0e0;
}

.card-header {
    font-weight: bold;
    background-color: #f1f1f1;
    border-bottom: 1px solid #ddd;
}

textarea.form-control {
    resize: vertical;
    min-height: 60px;
}

.btn-sm {
    font-size: 0.8rem;
}

.text-muted.small {
    display: block;
    margin-top: 5px;
}

.modal-content {
    border-radius: 10px;
}

input[type="file"] {
    padding: 5px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    background-color: #fff;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="datetime-local"],
input[type="date"],
select,
textarea {
    border-radius: 4px !important;
    border-color: #ced4da;
}

.btn-primary, .btn-success, .btn-danger, .btn-warning {
    border-radius: 5px;
}

.alert {
    border-radius: 5px;
}

footer {
    margin-top: 30px;
    padding: 10px;
    background: #343a40;
    color: #fff;
    text-align: center;
    border-radius: 8px;
}