body {
    font-family: 'Inter', sans-serif;
}
.card {
    background-color: white;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s, box-shadow 0.3s;
}
.btn-primary {
    background-color: #4f46e5;
    color: white;
}
.btn-primary:hover {
    background-color: #4338ca;
}
.btn-secondary {
    background-color: #e5e7eb;
    color: #374151;
}
.btn-secondary:hover {
    background-color: #d1d5db;
}
.btn:disabled {
    background-color: #d1d5db;
    color: #9ca3af;
    cursor: not-allowed;
    opacity: 0.6;
}
.btn-primary:disabled {
    background-color: #d1d5db;
    color: #9ca3af;
}
.input-field {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.input-field:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 2px #c7d2fe;
}

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

th, td {
    border: 1px solid #d1d5db;
    padding: 0.75rem;
    text-align: left;
}

th {
    background-color: #f3f4f6;
}

/* Alternate row colors - but not for summary rows */
tbody tr:nth-child(even):not(.summary-row) {
    background-color: #f9fafb;
}