body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    margin: 20px;
}

.container { max-width: 800px; margin: auto; background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.container-full { width: 95%; margin: auto; background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }

h1 { color: #0056b3; text-align: center; }

/* Form Styles */
.form-row { display: flex; flex-wrap: wrap; justify-content: space-between; margin-bottom: 15px; }
.form-group { display: flex; flex-direction: column; width: 48%; }
.form-group.full-width { width: 100%; }
.form-group label { margin-bottom: 5px; font-weight: bold; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group select {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
}

/* Button Styles */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    color: #fff;
    background-color: #007bff;
    cursor: pointer;
    font-size: 1em;
    text-decoration: none;
    text-align: center;
}
.btn-secondary { background-color: #6c757d; }
.btn-success { background-color: #28a745; }
.btn:hover { opacity: 0.9; }

/* Toolbar */
.toolbar { margin: 20px 0; display: flex; gap: 10px; }

/* Table Styles */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 12px 15px; border: 1px solid #ddd; text-align: left; font-size: 0.9em; }
th { background-color: #007bff; color: white; }
tr:nth-child(even) { background-color: #f2f2f2; }
tr:hover { background-color: #ddd; }

/* Alert */
.alert-success {
    padding: 15px;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    margin-bottom: 20px;
}