body {
    padding: 10px;
    border: 1px solid #d8dde8;
    border-radius: 6px;
    font-size: 14px;
}

.primary-btn, .danger-btn {
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    cursor: pointer;
    color: #fff;
}

.primary-btn {
    background: #2563eb;
}

.danger-btn {
    background: #dc2626;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

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

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

th, td {
    border-bottom: 1px solid #eef1f5;
    padding: 10px 12px;
    text-align: center;
}

th {
    background: #f8fafc;
}

.empty-cell {
    color: #888;
    padding: 24px;
}

.error-box {
    background: #fee2e2;
    color: #b91c1c;
    padding: 10px 12px;
    border-radius: 6px;
    margin-bottom: 12px;
}

.up-row {
    color: #dc2626;
}

.down-row {
    color: #16a34a;
}

.flat-row {
    color: #6b7280;
}

.current-row {
    color: #2563eb;
    font-weight: bold;
}

.tips {
    margin-top: 16px;
}